[INFO] cloning repository https://github.com/TrionProg/SimpleWebServer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TrionProg/SimpleWebServer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTrionProg%2FSimpleWebServer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTrionProg%2FSimpleWebServer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f92fa8625161e649064f9839519ce196a3dd28f3
[INFO] testing TrionProg/SimpleWebServer against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTrionProg%2FSimpleWebServer" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TrionProg/SimpleWebServer on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/TrionProg/SimpleWebServer
[INFO] finished tweaking git repo https://github.com/TrionProg/SimpleWebServer
[INFO] tweaked toml for git repo https://github.com/TrionProg/SimpleWebServer written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/TrionProg/SimpleWebServer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7d633e5cfe38d91ed4dbd60fdf5269ea939a33c0e3d74c7337e70717e821d6be
[INFO] running `Command { std: "docker" "start" "-a" "7d633e5cfe38d91ed4dbd60fdf5269ea939a33c0e3d74c7337e70717e821d6be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d633e5cfe38d91ed4dbd60fdf5269ea939a33c0e3d74c7337e70717e821d6be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d633e5cfe38d91ed4dbd60fdf5269ea939a33c0e3d74c7337e70717e821d6be", kill_on_drop: false }`
[INFO] [stdout] 7d633e5cfe38d91ed4dbd60fdf5269ea939a33c0e3d74c7337e70717e821d6be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0792ac34f77d6753bac54a5cb8b994c13007dc47f00bd01828eda5fdf653356
[INFO] running `Command { std: "docker" "start" "-a" "c0792ac34f77d6753bac54a5cb8b994c13007dc47f00bd01828eda5fdf653356", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling cfg-if v0.1.7
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling futures v0.1.29
[INFO] [stderr]    Compiling cc v1.0.34
[INFO] [stderr]    Compiling smallvec v0.6.9
[INFO] [stderr]    Compiling rand_core v0.4.0
[INFO] [stderr]    Compiling syn v0.15.30
[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling regex v1.1.5
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling scopeguard v1.0.0
[INFO] [stderr]    Compiling pkg-config v0.3.16
[INFO] [stderr]    Compiling itoa v0.4.3
[INFO] [stderr]    Compiling rustc-demangle v0.1.13
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]    Compiling serde v1.0.90
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling openssl v0.10.25
[INFO] [stderr]    Compiling copyless v0.1.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling arc-swap v0.3.9
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]    Compiling linked-hash-map v0.5.2
[INFO] [stderr]    Compiling httparse v1.3.3
[INFO] [stderr]    Compiling either v1.5.2
[INFO] [stderr]    Compiling encoding_rs v0.8.20
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling indexmap v1.0.2
[INFO] [stderr]    Compiling string v0.1.3
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling dtoa v0.4.3
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[INFO] [stderr]    Compiling nix v0.13.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling unchecked-index v0.2.2
[INFO] [stderr]    Compiling regex-syntax v0.6.6
[INFO] [stderr]    Compiling unicase v2.3.0
[INFO] [stderr]    Compiling humantime v1.2.0
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling crossbeam-utils v0.6.5
[INFO] [stderr]    Compiling owning_ref v0.4.0
[INFO] [stderr]    Compiling lock_api v0.3.1
[INFO] [stderr]    Compiling lru-cache v0.1.2
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.3
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling unicode-normalization v0.1.8
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling aho-corasick v0.7.3
[INFO] [stderr]    Compiling twoway v0.2.0
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling lock_api v0.1.5
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling backtrace v0.3.15
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling tokio-executor v0.1.7
[INFO] [stderr]    Compiling tokio-sync v0.1.4
[INFO] [stderr]    Compiling actix-service v0.4.2
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling tokio-timer v0.2.10
[INFO] [stderr]    Compiling tokio-current-thread v0.1.6
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling num_cpus v1.10.0
[INFO] [stderr]    Compiling hostname v0.1.5
[INFO] [stderr]    Compiling socket2 v0.3.8
[INFO] [stderr]    Compiling signal-hook-registry v1.0.1
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling opencv_sys v0.1.0 (/opt/rustwide/workdir/opencv_sys)
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling mime v0.3.13
[INFO] [stdout] warning: unused imports: `c_char`, `c_void`, `size_t`
[INFO] [stdout]  --> opencv_sys/src/error.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | use libc::{c_void, c_char, size_t, c_int};
[INFO] [stdout]   |            ^^^^^^  ^^^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `size_t`
[INFO] [stdout]  --> opencv_sys/src/image.rs:3:28
[INFO] [stdout]   |
[INFO] [stdout] 3 | use libc::{c_void, c_char, size_t, c_int};
[INFO] [stdout]   |                            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling openssl-sys v0.9.52
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling miniz-sys v0.1.11
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling threadpool v1.7.1
[INFO] [stderr]    Compiling resolv-conf v0.6.2
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling signal-hook v0.1.9
[INFO] [stderr]    Compiling mio v0.6.19
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling url v2.1.0
[INFO] [stderr]    Compiling tokio-io v0.1.12
[INFO] [stderr]    Compiling http v0.1.17
[INFO] [stderr]    Compiling string v0.2.0
[INFO] [stderr]    Compiling chrono v0.4.9
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling flate2 v1.0.7
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling actix-codec v0.1.2
[INFO] [stderr]    Compiling actix-utils v0.4.7
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling env_logger v0.6.1
[INFO] [stderr]    Compiling ctrlc v3.1.2
[INFO] [stderr]    Compiling tokio-reactor v0.1.9
[INFO] [stderr]    Compiling serde_derive v1.0.90
[INFO] [stderr]    Compiling enum-as-inner v0.2.1
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling tokio-udp v0.1.3
[INFO] [stderr]    Compiling tokio-signal v0.2.7
[INFO] [stderr]    Compiling actix-server-config v0.1.2
[INFO] [stderr]    Compiling h2 v0.1.17
[INFO] [stderr]    Compiling derive_more v0.15.0
[INFO] [stderr]    Compiling actix-web-codegen v0.1.3
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling tokio-openssl v0.3.0
[INFO] [stderr]    Compiling trust-dns-proto v0.7.3
[INFO] [stderr]    Compiling opencv v0.1.0 (/opt/rustwide/workdir/opencv)
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]  --> opencv/src/errors.rs:2:3
[INFO] [stdout]   |
[INFO] [stdout] 2 | #[fail(display = "Can not create an image")]
[INFO] [stdout]   |   ^^^^
[INFO] [stdout] 3 | #[derive(Debug, Fail, Clone)]
[INFO] [stdout]   |                 ---- the attribute is introduced here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(legacy_derive_helpers)]` on by default
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]  --> opencv/src/errors.rs:6:3
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[fail(display = "Can not open an image  \"{}\"", path)]
[INFO] [stdout]   |   ^^^^
[INFO] [stdout] 7 | #[derive(Debug, Fail, Clone)]
[INFO] [stdout]   |                 ---- the attribute is introduced here
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]   --> opencv/src/errors.rs:20:3
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[fail(display = "Can not save an image  \"{}\"", path)]
[INFO] [stdout]    |   ^^^^
[INFO] [stdout] 21 | #[derive(Debug, Fail, Clone)]
[INFO] [stdout]    |                 ---- the attribute is introduced here
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]   --> opencv/src/errors.rs:34:3
[INFO] [stdout]    |
[INFO] [stdout] 34 | #[fail(display = "Can not resize an image")]
[INFO] [stdout]    |   ^^^^
[INFO] [stdout] 35 | #[derive(Debug, Fail, Clone)]
[INFO] [stdout]    |                 ---- the attribute is introduced here
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `CStr`
[INFO] [stdout]  --> opencv/src/image.rs:4:25
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::ffi::{CString, CStr};
[INFO] [stdout]   |                         ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::errors::CanNotResizeImage`
[INFO] [stdout]   --> opencv/src/image.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use crate::errors::CanNotResizeImage;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `error`
[INFO] [stdout]   --> opencv/src/image.rs:27:17
[INFO] [stdout]    |
[INFO] [stdout] 27 |             let error = unsafe{opencv_sys::error::cvGetErrStatus()};
[INFO] [stdout]    |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `error`
[INFO] [stdout]   --> opencv/src/image.rs:45:17
[INFO] [stdout]    |
[INFO] [stdout] 45 |             let error = unsafe{opencv_sys::error::cvGetErrStatus()};
[INFO] [stdout]    |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `error`
[INFO] [stdout]   --> opencv/src/image.rs:63:17
[INFO] [stdout]    |
[INFO] [stdout] 63 |             let error = unsafe{opencv_sys::error::cvGetErrStatus()};
[INFO] [stdout]    |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]   --> opencv/src/image.rs:41:72
[INFO] [stdout]    |
[INFO] [stdout] 41 |             opencv_sys::image::cvLoadImage(CString::new(path).unwrap().as_ptr(), 1)
[INFO] [stdout]    |                                            --------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stdout]    |                                            |
[INFO] [stdout]    |                                            this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(temporary_cstring_as_ptr)]` on by default
[INFO] [stdout]    = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]    = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]   --> opencv/src/image.rs:59:72
[INFO] [stdout]    |
[INFO] [stdout] 59 |             opencv_sys::image::cvSaveImage(CString::new(path).unwrap().as_ptr(), self.mat, 0 as *const c_int)
[INFO] [stdout]    |                                            --------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stdout]    |                                            |
[INFO] [stdout]    |                                            this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]    |
[INFO] [stdout]    = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]    = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling brotli2 v0.3.2
[INFO] [stderr]    Compiling trust-dns-resolver v0.11.1
[INFO] [stderr]    Compiling actix-threadpool v0.1.2
[INFO] [stderr]    Compiling actix-rt v0.2.5
[INFO] [stderr]    Compiling actix-connect v0.2.5
[INFO] [stderr]    Compiling actix-server v0.6.1
[INFO] [stderr]    Compiling actix-testing v0.1.0
[INFO] [stderr]    Compiling serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]    Compiling actix-router v0.1.5
[INFO] [stderr]    Compiling actix-http v0.2.10
[INFO] [stderr]    Compiling awc v0.2.7
[INFO] [stderr]    Compiling actix-web v1.0.8
[INFO] [stderr]    Compiling image_api v0.1.0 (/opt/rustwide/workdir/image_api)
[INFO] [stderr]    Compiling actix-multipart v0.1.4
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]  --> image_api/src/errors.rs:2:3
[INFO] [stdout]   |
[INFO] [stdout] 2 | #[fail(display = "Text is not valid base64")]
[INFO] [stdout]   |   ^^^^
[INFO] [stdout] 3 | #[derive(Debug, Fail, Clone)]
[INFO] [stdout]   |                 ---- the attribute is introduced here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(legacy_derive_helpers)]` on by default
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]  --> image_api/src/errors.rs:6:3
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[fail(display = "Text is not valid UTF-8")]
[INFO] [stdout]   |   ^^^^
[INFO] [stdout] 7 | #[derive(Debug, Fail, Clone)]
[INFO] [stdout]   |                 ---- the attribute is introduced here
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]   --> image_api/src/errors.rs:10:3
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[fail(display = "Text is not valid URL")]
[INFO] [stdout]    |   ^^^^
[INFO] [stdout] 11 | #[derive(Debug, Fail, Clone)]
[INFO] [stdout]    |                 ---- the attribute is introduced here
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]   --> image_api/src/errors.rs:14:3
[INFO] [stdout]    |
[INFO] [stdout] 14 | #[fail(display = "Can not create image file \"{}\" error: \"{}\"", path, error)]
[INFO] [stdout]    |   ^^^^
[INFO] [stdout] 15 | #[derive(Debug, Fail, Clone)]
[INFO] [stdout]    |                 ---- the attribute is introduced here
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]   --> image_api/src/errors.rs:30:3
[INFO] [stdout]    |
[INFO] [stdout] 30 | #[fail(display = "Can not write image file \"{}\" error: \"{}\"", path, error)]
[INFO] [stdout]    |   ^^^^
[INFO] [stdout] 31 | #[derive(Debug, Fail, Clone)]
[INFO] [stdout]    |                 ---- the attribute is introduced here
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]   --> image_api/src/errors.rs:46:3
[INFO] [stdout]    |
[INFO] [stdout] 46 | #[fail(display = "Can not read image file \"{}\" error: \"{}\"", path, error)]
[INFO] [stdout]    |   ^^^^
[INFO] [stdout] 47 | #[derive(Debug, Fail, Clone)]
[INFO] [stdout]    |                 ---- the attribute is introduced here
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]   --> image_api/src/errors.rs:62:3
[INFO] [stdout]    |
[INFO] [stdout] 62 | #[fail(display = "Unsupported image format, supported:Png, Jpeg")]
[INFO] [stdout]    |   ^^^^
[INFO] [stdout] 63 | #[derive(Debug, Fail, Clone)]
[INFO] [stdout]    |                 ---- the attribute is introduced here
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]   --> image_api/src/errors.rs:66:3
[INFO] [stdout]    |
[INFO] [stdout] 66 | #[fail(display = "Can not parse \"{}\" as number", string)]
[INFO] [stdout]    |   ^^^^
[INFO] [stdout] 67 | #[derive(Debug, Fail, Clone)]
[INFO] [stdout]    |                 ---- the attribute is introduced here
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]   --> image_api/src/errors.rs:80:3
[INFO] [stdout]    |
[INFO] [stdout] 80 | #[fail(display = "Can not download by given URL \"{}\" error: \"{}\"", url, error)]
[INFO] [stdout]    |   ^^^^
[INFO] [stdout] 81 | #[derive(Debug, Fail, Clone)]
[INFO] [stdout]    |                 ---- the attribute is introduced here
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Async`, `Poll`, `future`
[INFO] [stdout]  --> image_api/src/image_api.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use futures::{future, Future, Stream, Poll, Async};
[INFO] [stdout]   |               ^^^^^^                  ^^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ClientRequest`, `ClientResponse`
[INFO] [stdout]   --> image_api/src/image_api.rs:12:25
[INFO] [stdout]    |
[INFO] [stdout] 12 | use actix_web::client::{ClientResponse, ClientRequest};
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::borrow::Borrow`
[INFO] [stdout]   --> image_api/src/image_api.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use core::borrow::Borrow;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> image_api/src/image_api.rs:48:72
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn put_image(self_ref:ImageApiRef, image:PutImageInput) -> Box<Future<Item = String, Error = Error>> {
[INFO] [stdout]    |                                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = String, Error = Error>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> image_api/src/image_api.rs:71:67
[INFO] [stdout]    |
[INFO] [stdout] 71 |     fn upload_image(self_ref:ImageApiRef, content:Vec<u8>) -> Box<Future<Item = String, Error = Error>> {// + Send + 'static
[INFO] [stdout]    |                                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = String, Error = Error>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> image_api/src/image_api.rs:209:120
[INFO] [stdout]     |
[INFO] [stdout] 209 | ...                   Err(_) => return Either::B(err(err_msg( CanNotParseAsNumberError::from((number_string)) )))
[INFO] [stdout]     |                                                                                              ^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> image_api/src/image_api.rs:245:62
[INFO] [stdout]     |
[INFO] [stdout] 245 |     pub fn get_image(self_ref:ImageApiRef, name:&str) -> Box<Future<Item = Vec<u8>, Error = Error>> {
[INFO] [stdout]     |                                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Vec<u8>, Error = Error>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> image_api/src/image_api.rs:269:57
[INFO] [stdout]     |
[INFO] [stdout] 269 |     pub fn get_images_list(self_ref:ImageApiRef) -> Box<Future<Item = Vec<usize>, Error = Error>> {
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Vec<usize>, Error = Error>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> image_api/src/image_api.rs:255:13
[INFO] [stdout]     |
[INFO] [stdout] 255 |         let mut file = match fs::File::open(file_path.as_str()) {
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Stream`
[INFO] [stdout]  --> image_api/src/image_api.rs:2:31
[INFO] [stdout]   |
[INFO] [stdout] 2 | use futures::{future, Future, Stream, Poll, Async};
[INFO] [stdout]   |                               ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `format`
[INFO] [stdout]   --> image_api/src/image_api.rs:54:27
[INFO] [stdout]    |
[INFO] [stdout] 54 |                     Some((format, content_base64)) =>
[INFO] [stdout]    |                           ^^^^^^ help: if this is intentional, prefix it with an underscore: `_format`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> image_api/src/image_api.rs:141:18
[INFO] [stdout]     |
[INFO] [stdout] 141 |             let (a, b) = text.split_at("data:image/png;base64,".len());
[INFO] [stdout]     |                  ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> image_api/src/image_api.rs:145:18
[INFO] [stdout]     |
[INFO] [stdout] 145 |             let (a, b) = text.split_at("data:image/jpeg;base64,".len());
[INFO] [stdout]     |                  ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> image_api/src/image_api.rs:158:17
[INFO] [stdout]     |
[INFO] [stdout] 158 |             Err(e) => Either::B(err(err_msg(TextNotBase64Error)))
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> image_api/src/image_api.rs:227:49
[INFO] [stdout]     |
[INFO] [stdout] 227 | ...                   Err(e) => Either::B(err(err_msg("can not read body")))
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]    --> image_api/src/image_api.rs:208:52
[INFO] [stdout]     |
[INFO] [stdout] 208 | ...                   Ok(len) => content_length=1000000,
[INFO] [stdout]     |                          ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `format`
[INFO] [stdout]    --> image_api/src/image_api.rs:218:38
[INFO] [stdout]     |
[INFO] [stdout] 218 | ...                   Some(format) => {
[INFO] [stdout]     |                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_format`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `self_ref`
[INFO] [stdout]    --> image_api/src/image_api.rs:249:19
[INFO] [stdout]     |
[INFO] [stdout] 249 |     fn load_image(self_ref:ImageApiRef, name:&str) -> impl Future<Item = Vec<u8>, Error = Error> {
[INFO] [stdout]     |                   ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_self_ref`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> image_api/src/image_api.rs:109:13
[INFO] [stdout]     |
[INFO] [stdout] 109 |         let mut file = match fs::File::create(file_path) {
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 28 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling simple_web_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]  --> src/errors.rs:2:3
[INFO] [stdout]   |
[INFO] [stdout] 2 | #[fail(display = "Text is not valid base64")]
[INFO] [stdout]   |   ^^^^
[INFO] [stdout] 3 | #[derive(Debug, Fail, Clone)]
[INFO] [stdout]   |                 ---- the attribute is introduced here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(legacy_derive_helpers)]` on by default
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]  --> src/errors.rs:6:3
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[fail(display = "Text is not valid UTF-8")]
[INFO] [stdout]   |   ^^^^
[INFO] [stdout] 7 | #[derive(Debug, Fail, Clone)]
[INFO] [stdout]   |                 ---- the attribute is introduced here
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]   --> src/errors.rs:10:3
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[fail(display = "Text is not valid URL")]
[INFO] [stdout]    |   ^^^^
[INFO] [stdout] 11 | #[derive(Debug, Fail, Clone)]
[INFO] [stdout]    |                 ---- the attribute is introduced here
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]   --> src/errors.rs:14:3
[INFO] [stdout]    |
[INFO] [stdout] 14 | #[fail(display = "Can not create image file \"{}\" error: \"{}\"", path, error)]
[INFO] [stdout]    |   ^^^^
[INFO] [stdout] 15 | #[derive(Debug, Fail, Clone)]
[INFO] [stdout]    |                 ---- the attribute is introduced here
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]   --> src/errors.rs:30:3
[INFO] [stdout]    |
[INFO] [stdout] 30 | #[fail(display = "Can not write image file \"{}\" error: \"{}\"", path, error)]
[INFO] [stdout]    |   ^^^^
[INFO] [stdout] 31 | #[derive(Debug, Fail, Clone)]
[INFO] [stdout]    |                 ---- the attribute is introduced here
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]   --> src/errors.rs:46:3
[INFO] [stdout]    |
[INFO] [stdout] 46 | #[fail(display = "Can not read image file \"{}\" error: \"{}\"", path, error)]
[INFO] [stdout]    |   ^^^^
[INFO] [stdout] 47 | #[derive(Debug, Fail, Clone)]
[INFO] [stdout]    |                 ---- the attribute is introduced here
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]   --> src/errors.rs:62:3
[INFO] [stdout]    |
[INFO] [stdout] 62 | #[fail(display = "Unsupported image format, supported:Png, Jpeg")]
[INFO] [stdout]    |   ^^^^
[INFO] [stdout] 63 | #[derive(Debug, Fail, Clone)]
[INFO] [stdout]    |                 ---- the attribute is introduced here
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]   --> src/errors.rs:66:3
[INFO] [stdout]    |
[INFO] [stdout] 66 | #[fail(display = "Can not parse \"{}\" as number", string)]
[INFO] [stdout]    |   ^^^^
[INFO] [stdout] 67 | #[derive(Debug, Fail, Clone)]
[INFO] [stdout]    |                 ---- the attribute is introduced here
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]   --> src/errors.rs:80:3
[INFO] [stdout]    |
[INFO] [stdout] 80 | #[fail(display = "Can not download by given URL \"{}\" error: \"{}\"", url, error)]
[INFO] [stdout]    |   ^^^^
[INFO] [stdout] 81 | #[derive(Debug, Fail, Clone)]
[INFO] [stdout]    |                 ---- the attribute is introduced here
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `MultipartError`
[INFO] [stdout]  --> src/image_app.rs:2:41
[INFO] [stdout]   |
[INFO] [stdout] 2 | use actix_multipart::{Field, Multipart, MultipartError};
[INFO] [stdout]   |                                         ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `App`, `HttpServer`, `Responder`, `middleware`
[INFO] [stdout]  --> src/image_app.rs:3:24
[INFO] [stdout]   |
[INFO] [stdout] 3 | use actix_web::{error, middleware, web, App, HttpResponse, HttpServer, Responder};
[INFO] [stdout]   |                        ^^^^^^^^^^       ^^^                ^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `IntoFuture`
[INFO] [stdout]  --> src/image_app.rs:6:40
[INFO] [stdout]   |
[INFO] [stdout] 6 | use futures::future::{err, ok, Either, IntoFuture};
[INFO] [stdout]   |                                        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/image_app.rs:33:14
[INFO] [stdout]    |
[INFO] [stdout] 33 |     ) -> Box<Future<Item = HttpResponse, Error = ActixError>> {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = HttpResponse, Error = ActixError>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/image_app.rs:217:56
[INFO] [stdout]     |
[INFO] [stdout] 217 |     pub fn show_image(app: web::Data<ImageApp>) -> Box<Future<Item = HttpResponse, Error = ActixError>> {
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = HttpResponse, Error = ActixError>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/image_app.rs:232:73
[INFO] [stdout]     |
[INFO] [stdout] 232 |     pub fn get_image(req: HttpRequest, app: web::Data<ImageApp>) -> Box<Future<Item = HttpResponse, Error = ActixError>> {
[INFO] [stdout]     |                                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = HttpResponse, Error = ActixError>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::Cell`
[INFO] [stdout]   --> src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::cell::Cell;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]   --> src/main.rs:17:15
[INFO] [stdout]    |
[INFO] [stdout] 17 | use std::fs::{self};
[INFO] [stdout]    |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]   --> src/main.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use std::io::Write;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Field`, `MultipartError`, `Multipart`
[INFO] [stdout]   --> src/main.rs:20:23
[INFO] [stdout]    |
[INFO] [stdout] 20 | use actix_multipart::{Field, Multipart, MultipartError};
[INFO] [stdout]    |                       ^^^^^  ^^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Error`, `HttpResponse`, `error`
[INFO] [stdout]   --> src/main.rs:21:17
[INFO] [stdout]    |
[INFO] [stdout] 21 | use actix_web::{error, middleware, web, App, Error, HttpResponse, HttpServer};
[INFO] [stdout]    |                 ^^^^^                        ^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Either`, `err`
[INFO] [stdout]   --> src/main.rs:22:23
[INFO] [stdout]    |
[INFO] [stdout] 22 | use futures::future::{err, Either};
[INFO] [stdout]    |                       ^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Stream`
[INFO] [stdout]   --> src/main.rs:23:23
[INFO] [stdout]    |
[INFO] [stdout] 23 | use futures::{Future, Stream};
[INFO] [stdout]    |                       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Future`
[INFO] [stdout]   --> src/main.rs:23:15
[INFO] [stdout]    |
[INFO] [stdout] 23 | use futures::{Future, Stream};
[INFO] [stdout]    |               ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/main.rs:89:17
[INFO] [stdout]    |
[INFO] [stdout] 89 |             Err(e) => {}
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:86:5
[INFO] [stdout]    |
[INFO] [stdout] 86 | /     ctrlc::set_handler(move || {
[INFO] [stdout] 87 | |         match main_tx.send(ToMainMessage::CtrlC) {
[INFO] [stdout] 88 | |             Ok(_) => {},
[INFO] [stdout] 89 | |             Err(e) => {}
[INFO] [stdout] 90 | |         }
[INFO] [stdout] 91 | |     });
[INFO] [stdout]    | |_______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused implementer of `futures::Future` that must be used
[INFO] [stdout]    --> src/main.rs:105:5
[INFO] [stdout]     |
[INFO] [stdout] 105 |     server_addr.stop(true);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: futures do nothing unless polled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:108:5
[INFO] [stdout]     |
[INFO] [stdout] 108 |     thread_join_handle.join();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-m64" "/opt/rustwide/target/debug/deps/simple_web_server-e2e93b8a3f850bb7.simple_web_server.6yfwgm7v-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/simple_web_server-e2e93b8a3f850bb7.simple_web_server.6yfwgm7v-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/simple_web_server-e2e93b8a3f850bb7.simple_web_server.6yfwgm7v-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/simple_web_server-e2e93b8a3f850bb7.simple_web_server.6yfwgm7v-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/simple_web_server-e2e93b8a3f850bb7.simple_web_server.6yfwgm7v-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/simple_web_server-e2e93b8a3f850bb7.simple_web_server.6yfwgm7v-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/simple_web_server-e2e93b8a3f850bb7.simple_web_server.6yfwgm7v-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/simple_web_server-e2e93b8a3f850bb7.simple_web_server.6yfwgm7v-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/simple_web_server-e2e93b8a3f850bb7.simple_web_server.6yfwgm7v-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/simple_web_server-e2e93b8a3f850bb7.simple_web_server.6yfwgm7v-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/simple_web_server-e2e93b8a3f850bb7.simple_web_server.6yfwgm7v-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/simple_web_server-e2e93b8a3f850bb7.simple_web_server.6yfwgm7v-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/simple_web_server-e2e93b8a3f850bb7.simple_web_server.6yfwgm7v-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/simple_web_server-e2e93b8a3f850bb7.simple_web_server.6yfwgm7v-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/simple_web_server-e2e93b8a3f850bb7.simple_web_server.6yfwgm7v-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/simple_web_server-e2e93b8a3f850bb7.simple_web_server.6yfwgm7v-cgu.9.rcgu.o" "/opt/rustwide/target/debug/deps/simple_web_server-e2e93b8a3f850bb7.38y5wvain9mv97ur.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/target/debug/build/backtrace-sys-52459a90089ef20b/out" "-L" "/opt/rustwide/target/debug/build/brotli-sys-c3d5cdc0ec9bd27e/out" "-L" "/opt/rustwide/target/debug/build/miniz-sys-08684a3587990c03/out" "-L" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libctrlc-4b43d0ba8e32321c.rlib" "/opt/rustwide/target/debug/deps/libnix-cd9c915c5336c694.rlib" "/opt/rustwide/target/debug/deps/libvoid-c3f770d6ee2d2f2c.rlib" "/opt/rustwide/target/debug/deps/libenv_logger-c2d04be54a76fbc6.rlib" "/opt/rustwide/target/debug/deps/libatty-1d7300a8b3d2486a.rlib" "/opt/rustwide/target/debug/deps/libhumantime-47a1c26f503bc488.rlib" "/opt/rustwide/target/debug/deps/libtermcolor-ab5d387c43a7a871.rlib" "/opt/rustwide/target/debug/deps/libimage_api-9c7ab400182b0039.rlib" "/opt/rustwide/target/debug/deps/libopencv-db77a725b982ab39.rlib" "/opt/rustwide/target/debug/deps/libopencv_sys-134ebbed988d0394.rlib" "/opt/rustwide/target/debug/deps/libactix_multipart-f451a0a94b929604.rlib" "/opt/rustwide/target/debug/deps/libtwoway-23cd5a0a6f478b88.rlib" "/opt/rustwide/target/debug/deps/libunchecked_index-d7b2e1e6c6d7a69f.rlib" "/opt/rustwide/target/debug/deps/libactix_web-7612aa5fd3982aa7.rlib" "/opt/rustwide/target/debug/deps/libawc-30b3d834b9c0432c.rlib" "/opt/rustwide/target/debug/deps/libactix_testing-a927d387331724f4.rlib" "/opt/rustwide/target/debug/deps/libactix_server-c58f8d756265b378.rlib" "/opt/rustwide/target/debug/deps/libtokio_signal-8e1f8878d739e89d.rlib" "/opt/rustwide/target/debug/deps/libsignal_hook-84e07d8089e7b7c1.rlib" "/opt/rustwide/target/debug/deps/libsignal_hook_registry-f9aa6fef1468f8f1.rlib" "/opt/rustwide/target/debug/deps/libarc_swap-fe9dcfc3aed5c4a4.rlib" "/opt/rustwide/target/debug/deps/libmio_uds-bbebafb2e831f2b6.rlib" "/opt/rustwide/target/debug/deps/libactix_router-fb31f92ad9059de5.rlib" "/opt/rustwide/target/debug/deps/libstring-3626a158bc967fea.rlib" "/opt/rustwide/target/debug/deps/libactix_http-8e1082575059b4e6.rlib" "/opt/rustwide/target/debug/deps/libsha1-2489abe97bc3c064.rlib" "/opt/rustwide/target/debug/deps/libbase64-b7d7b428e64b5d4b.rlib" "/opt/rustwide/target/debug/deps/librand-f8e9e16c0edca5ea.rlib" "/opt/rustwide/target/debug/deps/librand_chacha-b376b202cad659a1.rlib" "/opt/rustwide/target/debug/deps/libc2_chacha-caf3a2559c9ec640.rlib" "/opt/rustwide/target/debug/deps/libppv_lite86-7814520f037b4782.rlib" "/opt/rustwide/target/debug/deps/librand_core-56dc99fd99f5d2dd.rlib" "/opt/rustwide/target/debug/deps/libgetrandom-a61b571b04c50438.rlib" "/opt/rustwide/target/debug/deps/libserde_urlencoded-c26a5298b239df71.rlib" "/opt/rustwide/target/debug/deps/liburl-4cd9b0c1ccc84be4.rlib" "/opt/rustwide/target/debug/deps/libidna-a2effcc6f0ab1b70.rlib" "/opt/rustwide/target/debug/deps/libdtoa-1c14135160fd8ea5.rlib" "/opt/rustwide/target/debug/deps/libhttparse-ecbeb3206cc74e1c.rlib" "/opt/rustwide/target/debug/deps/libchrono-17a6391b3ea8ec0e.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-2225953c8e836708.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-7f485592ebcf51cf.rlib" "/opt/rustwide/target/debug/deps/libserde_json-f439607039d19a80.rlib" "/opt/rustwide/target/debug/deps/libryu-ebdd99aadd4b9f3b.rlib" "/opt/rustwide/target/debug/deps/libserde-2a4f6bca3130fa83.rlib" "/opt/rustwide/target/debug/deps/libencoding_rs-c5b1080d9559eb18.rlib" "/opt/rustwide/target/debug/deps/libregex-7484708a2dd95f7a.rlib" "/opt/rustwide/target/debug/deps/libutf8_ranges-731d99d2c9a38d17.rlib" "/opt/rustwide/target/debug/deps/libregex_syntax-7099c59c6304034c.rlib" "/opt/rustwide/target/debug/deps/libucd_util-ee0f14a2fe919c8a.rlib" "/opt/rustwide/target/debug/deps/libthread_local-f969d11ed59015e9.rlib" "/opt/rustwide/target/debug/deps/libaho_corasick-2e8e604cf15463c0.rlib" 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"/opt/rustwide/target/debug/deps/libactix_rt-cb32f2f770f5f853.rlib" "/opt/rustwide/target/debug/deps/libactix_threadpool-bf333c66fe5f156e.rlib" "/opt/rustwide/target/debug/deps/libthreadpool-9b32ce6baed615ff.rlib" "/opt/rustwide/target/debug/deps/libparking_lot-03d0ad86245a351e.rlib" "/opt/rustwide/target/debug/deps/libparking_lot_core-cbc6a16ac5a8be45.rlib" "/opt/rustwide/target/debug/deps/liblock_api-9ba1ce7c4bd8a0b5.rlib" "/opt/rustwide/target/debug/deps/libscopeguard-a794a99ac76292b5.rlib" "/opt/rustwide/target/debug/deps/libcopyless-80d148e1df348a44.rlib" "/opt/rustwide/target/debug/deps/libtokio_current_thread-9786bd2ef099f7f3.rlib" "/opt/rustwide/target/debug/deps/libtokio_openssl-175807476557f3da.rlib" "/opt/rustwide/target/debug/deps/libopenssl-0b878f1b0c5f6d00.rlib" "/opt/rustwide/target/debug/deps/libopenssl_sys-879d39abc5f1e23a.rlib" "/opt/rustwide/target/debug/deps/libforeign_types-6dd7ccee81750d2f.rlib" "/opt/rustwide/target/debug/deps/libforeign_types_shared-1812f2e1ab1a4883.rlib" "/opt/rustwide/target/debug/deps/libbitflags-b342a0414369ae71.rlib" "/opt/rustwide/target/debug/deps/libtrust_dns_resolver-adf52176ead429bf.rlib" "/opt/rustwide/target/debug/deps/libtrust_dns_proto-e96fa4e48db9e37d.rlib" "/opt/rustwide/target/debug/deps/liburl-f9f5edbfc32e92a3.rlib" "/opt/rustwide/target/debug/deps/libpercent_encoding-94f4b792093520e3.rlib" "/opt/rustwide/target/debug/deps/libtokio_udp-05a6a8d7b260b0ed.rlib" "/opt/rustwide/target/debug/deps/libtokio_timer-d06ed6dcc05d24ad.rlib" "/opt/rustwide/target/debug/deps/libsocket2-202d540e96fd2da7.rlib" "/opt/rustwide/target/debug/deps/libidna-3e70d649328a4c34.rlib" "/opt/rustwide/target/debug/deps/libunicode_normalization-9c6733f70b84326e.rlib" "/opt/rustwide/target/debug/deps/libunicode_bidi-658b16b5d9bb5631.rlib" "/opt/rustwide/target/debug/deps/libmatches-5bfcef5685786a07.rlib" "/opt/rustwide/target/debug/deps/libresolv_conf-2424bd1e35686fcf.rlib" "/opt/rustwide/target/debug/deps/libhostname-471c74b146115ab3.rlib" "/opt/rustwide/target/debug/deps/libquick_error-9b5d59530daa3d27.rlib" "/opt/rustwide/target/debug/deps/liblru_cache-af57ba3fcd59fc07.rlib" "/opt/rustwide/target/debug/deps/liblinked_hash_map-6d318b7e575945ce.rlib" "/opt/rustwide/target/debug/deps/libfailure-4938c7388dad5a3e.rlib" "/opt/rustwide/target/debug/deps/libbacktrace-64dfcf3dacb2966b.rlib" "/opt/rustwide/target/debug/deps/libbacktrace_sys-34641d268117cf84.rlib" "/opt/rustwide/target/debug/deps/librustc_demangle-dfb66d7d3479e3a1.rlib" "/opt/rustwide/target/debug/deps/libeither-b4438da74555f4ac.rlib" "/opt/rustwide/target/debug/deps/libh2-072dbd833b6251ae.rlib" "/opt/rustwide/target/debug/deps/libindexmap-b9d829f3be775c03.rlib" "/opt/rustwide/target/debug/deps/libstring-b31cc9d72a85c1b8.rlib" "/opt/rustwide/target/debug/deps/libhttp-a0233d4470ae213b.rlib" "/opt/rustwide/target/debug/deps/libitoa-57aceabc4d068b69.rlib" "/opt/rustwide/target/debug/deps/libactix_service-504526b65e3ecb36.rlib" "/opt/rustwide/target/debug/deps/libactix_server_config-b0bad7a4af14c026.rlib" "/opt/rustwide/target/debug/deps/libtokio_tcp-d1079f547cef8ce4.rlib" "/opt/rustwide/target/debug/deps/libtokio_reactor-8f2cae485f9c75f9.rlib" "/opt/rustwide/target/debug/deps/libtokio_sync-d1b215e9b27c5064.rlib" "/opt/rustwide/target/debug/deps/libfnv-6f4452e033ff10c8.rlib" "/opt/rustwide/target/debug/deps/libtokio_executor-0771271d6ba4eebe.rlib" "/opt/rustwide/target/debug/deps/libparking_lot-3d9658fa2a124bec.rlib" "/opt/rustwide/target/debug/deps/libparking_lot_core-8c9a34f6e7b46eee.rlib" "/opt/rustwide/target/debug/deps/libsmallvec-d6516fab54b99abb.rlib" "/opt/rustwide/target/debug/deps/librand-12a23d147f2c6df5.rlib" "/opt/rustwide/target/debug/deps/librand_xorshift-8705e5099ea5570e.rlib" "/opt/rustwide/target/debug/deps/librand_pcg-0e4eda9787ede0a4.rlib" "/opt/rustwide/target/debug/deps/librand_hc-1144cf1334653751.rlib" "/opt/rustwide/target/debug/deps/librand_chacha-0b23d3e087e06a01.rlib" "/opt/rustwide/target/debug/deps/librand_isaac-76ab3724437d78bb.rlib" "/opt/rustwide/target/debug/deps/librand_core-fefa07013ca9f913.rlib" "/opt/rustwide/target/debug/deps/librand_os-2f6c81a065d23a17.rlib" "/opt/rustwide/target/debug/deps/librand_jitter-727fc0f6a8899430.rlib" "/opt/rustwide/target/debug/deps/librand_core-4cedfed425a209b0.rlib" "/opt/rustwide/target/debug/deps/liblock_api-03b410e468505d27.rlib" "/opt/rustwide/target/debug/deps/libowning_ref-d67eaab97608715f.rlib" "/opt/rustwide/target/debug/deps/libstable_deref_trait-a2b61fe0a2114434.rlib" "/opt/rustwide/target/debug/deps/libscopeguard-4fa2c7730d201034.rlib" "/opt/rustwide/target/debug/deps/libnum_cpus-91bad5fadb1f997b.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_utils-d7ab9d6c7b2c7773.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-6d57f98cb51285ab.rlib" "/opt/rustwide/target/debug/deps/libmio-1997dd9132bb789e.rlib" "/opt/rustwide/target/debug/deps/libslab-a95947d689540fa4.rlib" "/opt/rustwide/target/debug/deps/libnet2-05761a05cc04d906.rlib" "/opt/rustwide/target/debug/deps/libactix_codec-cf2d7baf424f35ec.rlib" "/opt/rustwide/target/debug/deps/libtokio_codec-87948439a7b37185.rlib" "/opt/rustwide/target/debug/deps/libtokio_io-28791ffea22b9e97.rlib" "/opt/rustwide/target/debug/deps/libfutures-81535cbc6bb64fc1.rlib" "/opt/rustwide/target/debug/deps/libbytes-0bd481dd67bca0fa.rlib" "/opt/rustwide/target/debug/deps/libiovec-ae5c257669f3dd94.rlib" "/opt/rustwide/target/debug/deps/liblibc-a8af610016c763ac.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-b2edf1a3442eb2a9.rlib" "/opt/rustwide/target/debug/deps/liblog-d38630ca6a44c813.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-e34a5a36dbc6fa39.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-2420485b9e5ef5e1.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-785e3cb61c4b1960.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-087191a88bdaa22d.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-9981842c02975178.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-6fb405869b015fde.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-d05c5c3c56004b7b.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-42d74d2097528b38.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-fb36534c113d2209.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-b56b9042c12b6535.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-491902d6cb3e76df.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-61834e0981b8c367.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-f78aa99d613a55bc.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-53ee54cd7fed2c57.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-544ecdbd6cda3c58.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-379cc252b6943a79.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-8063eea38dcc5e62.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-5b228734afae15ee.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-d6c7a399d95d173f.rlib" "-Wl,-Bdynamic" "-ltarget/debug/opencv_world340" "-lssl" "-lcrypto" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/simple_web_server-e2e93b8a3f850bb7" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: cannot find -ltarget/debug/opencv_world340
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 27 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `simple_web_server`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "c0792ac34f77d6753bac54a5cb8b994c13007dc47f00bd01828eda5fdf653356", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0792ac34f77d6753bac54a5cb8b994c13007dc47f00bd01828eda5fdf653356", kill_on_drop: false }`
[INFO] [stdout] c0792ac34f77d6753bac54a5cb8b994c13007dc47f00bd01828eda5fdf653356
