[INFO] cloning repository https://github.com/chronicl/image-server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chronicl/image-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchronicl%2Fimage-server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchronicl%2Fimage-server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9cc1efb367c25661771dfbe8236013c370b8ee84
[INFO] checking chronicl/image-server against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchronicl%2Fimage-server" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chronicl/image-server on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/chronicl/image-server
[INFO] finished tweaking git repo https://github.com/chronicl/image-server
[INFO] tweaked toml for git repo https://github.com/chronicl/image-server written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/chronicl/image-server already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9cdb82ed0bcd846c8d25b0f7bdb039519a661f521b6d40e3ef1ad11bcc31bc3f
[INFO] running `Command { std: "docker" "start" "-a" "9cdb82ed0bcd846c8d25b0f7bdb039519a661f521b6d40e3ef1ad11bcc31bc3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9cdb82ed0bcd846c8d25b0f7bdb039519a661f521b6d40e3ef1ad11bcc31bc3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cdb82ed0bcd846c8d25b0f7bdb039519a661f521b6d40e3ef1ad11bcc31bc3f", kill_on_drop: false }`
[INFO] [stdout] 9cdb82ed0bcd846c8d25b0f7bdb039519a661f521b6d40e3ef1ad11bcc31bc3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=forbid" "-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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 620cd2f2958ae223ffd0988014470d0ba56a4e7cb31bcb3a8b69d08c89656292
[INFO] running `Command { std: "docker" "start" "-a" "620cd2f2958ae223ffd0988014470d0ba56a4e7cb31bcb3a8b69d08c89656292", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling const_fn v0.4.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]     Checking tinyvec v0.3.4
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]     Checking object v0.21.1
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling encoding_rs v0.8.24
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]     Checking data-encoding v2.3.0
[INFO] [stderr]     Checking humantime v2.0.1
[INFO] [stderr]     Checking instant v0.1.8
[INFO] [stderr]    Compiling standback v0.2.11
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.0
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling time v0.2.22
[INFO] [stderr]    Compiling cookie v0.14.2
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]     Checking addr2line v0.13.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]     Checking net2 v0.2.35
[INFO] [stderr]     Checking signal-hook-registry v1.2.1
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking socket2 v0.3.15
[INFO] [stderr]     Checking futures-task v0.3.7
[INFO] [stderr]     Checking aho-corasick v0.7.14
[INFO] [stderr]     Checking tinyvec v1.0.1
[INFO] [stderr]     Checking brotli-sys v0.3.2
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]     Checking resolv-conf v0.6.3
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]     Checking bytestring v0.1.5
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking brotli2 v0.3.2
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking tracing v0.1.21
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]     Checking sha-1 v0.9.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking regex v1.4.1
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking flate2 v1.0.18
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking crossbeam-epoch v0.9.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking backtrace v0.3.53
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking env_logger v0.8.1
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.1
[INFO] [stderr]    Compiling futures-macro v0.3.7
[INFO] [stderr]    Compiling derive_more v0.99.11
[INFO] [stderr]    Compiling actix-macros v0.1.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.21
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling async-trait v0.1.41
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling enum-as-inner v0.3.3
[INFO] [stderr]    Compiling actix-web-codegen v0.3.0
[INFO] [stderr]     Checking time-macros v0.1.1
[INFO] [stderr]     Checking thiserror v1.0.21
[INFO] [stderr]     Checking pin-project v1.0.1
[INFO] [stderr]     Checking futures-util v0.3.7
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]     Checking actix-codec v0.3.0
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking actix-threadpool v0.3.3
[INFO] [stderr]     Checking actix-rt v1.1.1
[INFO] [stderr]     Checking actix-service v1.0.6
[INFO] [stderr]     Checking futures-executor v0.3.7
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking futures v0.3.7
[INFO] [stderr]     Checking trust-dns-proto v0.19.5
[INFO] [stderr]     Checking serde v1.0.117
[INFO] [stderr]     Checking actix-utils v2.0.0
[INFO] [stderr]     Checking actix-server v1.0.4
[INFO] [stderr]     Checking actix-tls v2.0.0
[INFO] [stderr]     Checking actix-testing v1.0.1
[INFO] [stderr]     Checking trust-dns-resolver v0.19.5
[INFO] [stderr]     Checking actix-connect v2.0.0
[INFO] [stderr]     Checking serde_json v1.0.59
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking actix-router v0.2.5
[INFO] [stderr]     Checking serde_qs v0.7.0
[INFO] [stderr]     Checking actix-http v2.1.0
[INFO] [stderr]     Checking awc v2.0.0
[INFO] [stderr]     Checking actix-web v3.1.0
[INFO] [stderr]     Checking image-server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]   --> src/main.rs:11:15
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::fs::{self, File, OpenOptions};
[INFO] [stdout]    |               ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]   --> src/main.rs:11:15
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::fs::{self, File, OpenOptions};
[INFO] [stdout]    |               ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.22s
[INFO] running `Command { std: "docker" "inspect" "620cd2f2958ae223ffd0988014470d0ba56a4e7cb31bcb3a8b69d08c89656292", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "620cd2f2958ae223ffd0988014470d0ba56a4e7cb31bcb3a8b69d08c89656292", kill_on_drop: false }`
[INFO] [stdout] 620cd2f2958ae223ffd0988014470d0ba56a4e7cb31bcb3a8b69d08c89656292