[INFO] cloning repository https://github.com/lights0123/web-libusb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lights0123/web-libusb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flights0123%2Fweb-libusb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flights0123%2Fweb-libusb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9ce24c24ef4c6acb6144c1224df72f281693a215
[INFO] checking lights0123/web-libusb against master#5518eaa946291f00471af8b254b2a1715f234882 for pr-120393
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flights0123%2Fweb-libusb" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lights0123/web-libusb on toolchain 5518eaa946291f00471af8b254b2a1715f234882
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lights0123/web-libusb
[INFO] finished tweaking git repo https://github.com/lights0123/web-libusb
[INFO] tweaked toml for git repo https://github.com/lights0123/web-libusb written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/lights0123/web-libusb already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/rust-lang/libc`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded array_iterator v0.2.4
[INFO] [stderr]   Downloaded wasm-bindgen-test-macro v0.3.23
[INFO] [stderr]   Downloaded libnspire v0.2.3
[INFO] [stderr]   Downloaded rmp v0.8.10
[INFO] [stderr]   Downloaded displaydoc v0.1.7
[INFO] [stderr]   Downloaded serde-wasm-bindgen v0.1.3
[INFO] [stderr]   Downloaded rusb v0.6.5
[INFO] [stderr]   Downloaded rmp-serde v0.14.4
[INFO] [stderr]   Downloaded globwalk v0.7.3
[INFO] [stderr]   Downloaded wasm-bindgen-test v0.3.23
[INFO] [stderr]   Downloaded libnspire-sys v0.3.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4865d6ea7165ba6ca8006dbd36799ae9be2e9f2b518fb3c03be5aa1ff067d8cd
[INFO] running `Command { std: "docker" "start" "-a" "4865d6ea7165ba6ca8006dbd36799ae9be2e9f2b518fb3c03be5aa1ff067d8cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4865d6ea7165ba6ca8006dbd36799ae9be2e9f2b518fb3c03be5aa1ff067d8cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4865d6ea7165ba6ca8006dbd36799ae9be2e9f2b518fb3c03be5aa1ff067d8cd", kill_on_drop: false }`
[INFO] [stdout] 4865d6ea7165ba6ca8006dbd36799ae9be2e9f2b518fb3c03be5aa1ff067d8cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c8ac3285720ea1523b1ce38ed179bfa854d1c21cf6f4db69549ebb33db4f8916
[INFO] running `Command { std: "docker" "start" "-a" "c8ac3285720ea1523b1ce38ed179bfa854d1c21cf6f4db69549ebb33db4f8916", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.68
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.73
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling libc v0.2.93 (https://github.com/rust-lang/libc?tag=0.2.93#3b185efb)
[INFO] [stderr]    Compiling bumpalo v3.6.1
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling wasm-bindgen v0.2.73
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling regex-syntax v0.6.23
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling bstr v0.2.15
[INFO] [stderr]    Compiling libusb1-sys v0.4.2 (/opt/rustwide/workdir/web-libusb)
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling once_cell v1.7.2
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]     Checking rmp v0.8.10
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling libc v0.2.93 (/opt/rustwide/workdir/wasm-libc)
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking bytemuck v1.5.1
[INFO] [stderr]     Checking array_iterator v0.2.4
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.3.23
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]    Compiling regex v1.4.5
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]    Compiling globset v0.4.6
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.73
[INFO] [stderr]    Compiling ignore v0.4.17
[INFO] [stderr]    Compiling globwalk v0.7.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling displaydoc v0.1.7
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.73
[INFO] [stderr]    Compiling libnspire-sys v0.3.4
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.73
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking serde_bytes v0.11.5
[INFO] [stderr]     Checking rmp-serde v0.14.4
[INFO] [stderr]     Checking js-sys v0.3.50
[INFO] [stderr]     Checking console_error_panic_hook v0.1.6
[INFO] [stderr]     Checking serde-wasm-bindgen v0.1.3
[INFO] [stderr]     Checking web-sys v0.3.50
[INFO] [stderr]     Checking wasm-bindgen-futures v0.4.23
[INFO] [stderr]     Checking wasm-bindgen-test v0.3.23
[INFO] [stdout] warning: private item shadows public glob re-export
[INFO] [stdout]   --> web-libusb/src/lib.rs:6:20
[INFO] [stdout]    |
[INFO] [stdout] 6  | use std::os::raw::{c_int, c_uint, c_void};
[INFO] [stdout]    |                    ^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the name `c_int` in the type namespace is supposed to be publicly re-exported here
[INFO] [stdout]   --> web-libusb/src/lib.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub use libc::*;
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] note: but the private item here shadows it
[INFO] [stdout]   --> web-libusb/src/lib.rs:6:20
[INFO] [stdout]    |
[INFO] [stdout] 6  | use std::os::raw::{c_int, c_uint, c_void};
[INFO] [stdout]    |                    ^^^^^
[INFO] [stdout]    = note: `#[warn(hidden_glob_reexports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private item shadows public glob re-export
[INFO] [stdout]   --> web-libusb/src/lib.rs:6:27
[INFO] [stdout]    |
[INFO] [stdout] 6  | use std::os::raw::{c_int, c_uint, c_void};
[INFO] [stdout]    |                           ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the name `c_uint` in the type namespace is supposed to be publicly re-exported here
[INFO] [stdout]   --> web-libusb/src/lib.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub use libc::*;
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] note: but the private item here shadows it
[INFO] [stdout]   --> web-libusb/src/lib.rs:6:27
[INFO] [stdout]    |
[INFO] [stdout] 6  | use std::os::raw::{c_int, c_uint, c_void};
[INFO] [stdout]    |                           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private item shadows public glob re-export
[INFO] [stdout]   --> web-libusb/src/lib.rs:6:35
[INFO] [stdout]    |
[INFO] [stdout] 6  | use std::os::raw::{c_int, c_uint, c_void};
[INFO] [stdout]    |                                   ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the name `c_void` in the type namespace is supposed to be publicly re-exported here
[INFO] [stdout]   --> web-libusb/src/lib.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub use libc::*;
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] note: but the private item here shadows it
[INFO] [stdout]   --> web-libusb/src/lib.rs:6:35
[INFO] [stdout]    |
[INFO] [stdout] 6  | use std::os::raw::{c_int, c_uint, c_void};
[INFO] [stdout]    |                                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]   --> web-libusb/src/lib.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub use libc::*;
[INFO] [stdout]    |         ^^^^^^^ the name `strncpy` in the value namespace is first re-exported here
[INFO] [stdout] 25 | pub use misc::*;
[INFO] [stdout]    |         ------- but the name `strncpy` in the value namespace is also re-exported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ambiguous_glob_reexports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]   --> web-libusb/src/lib.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub use libc::*;
[INFO] [stdout]    |         ^^^^^^^ the name `strlen` in the value namespace is first re-exported here
[INFO] [stdout] 25 | pub use misc::*;
[INFO] [stdout]    |         ------- but the name `strlen` in the value namespace is also re-exported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]   --> web-libusb/src/lib.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub use libc::*;
[INFO] [stdout]    |         ^^^^^^^ the name `memchr` in the value namespace is first re-exported here
[INFO] [stdout] 25 | pub use misc::*;
[INFO] [stdout]    |         ------- but the name `memchr` in the value namespace is also re-exported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private item shadows public glob re-export
[INFO] [stdout]   --> web-libusb/src/lib.rs:6:20
[INFO] [stdout]    |
[INFO] [stdout] 6  | use std::os::raw::{c_int, c_uint, c_void};
[INFO] [stdout]    |                    ^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the name `c_int` in the type namespace is supposed to be publicly re-exported here
[INFO] [stdout]   --> web-libusb/src/lib.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub use libc::*;
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] note: but the private item here shadows it
[INFO] [stdout]   --> web-libusb/src/lib.rs:6:20
[INFO] [stdout]    |
[INFO] [stdout] 6  | use std::os::raw::{c_int, c_uint, c_void};
[INFO] [stdout]    |                    ^^^^^
[INFO] [stdout]    = note: `#[warn(hidden_glob_reexports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private item shadows public glob re-export
[INFO] [stdout]   --> web-libusb/src/lib.rs:6:27
[INFO] [stdout]    |
[INFO] [stdout] 6  | use std::os::raw::{c_int, c_uint, c_void};
[INFO] [stdout]    |                           ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the name `c_uint` in the type namespace is supposed to be publicly re-exported here
[INFO] [stdout]   --> web-libusb/src/lib.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub use libc::*;
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] note: but the private item here shadows it
[INFO] [stdout]   --> web-libusb/src/lib.rs:6:27
[INFO] [stdout]    |
[INFO] [stdout] 6  | use std::os::raw::{c_int, c_uint, c_void};
[INFO] [stdout]    |                           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private item shadows public glob re-export
[INFO] [stdout]   --> web-libusb/src/lib.rs:6:35
[INFO] [stdout]    |
[INFO] [stdout] 6  | use std::os::raw::{c_int, c_uint, c_void};
[INFO] [stdout]    |                                   ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the name `c_void` in the type namespace is supposed to be publicly re-exported here
[INFO] [stdout]   --> web-libusb/src/lib.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub use libc::*;
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] note: but the private item here shadows it
[INFO] [stdout]   --> web-libusb/src/lib.rs:6:35
[INFO] [stdout]    |
[INFO] [stdout] 6  | use std::os::raw::{c_int, c_uint, c_void};
[INFO] [stdout]    |                                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]   --> web-libusb/src/lib.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub use libc::*;
[INFO] [stdout]    |         ^^^^^^^ the name `strncpy` in the value namespace is first re-exported here
[INFO] [stdout] 25 | pub use misc::*;
[INFO] [stdout]    |         ------- but the name `strncpy` in the value namespace is also re-exported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ambiguous_glob_reexports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]   --> web-libusb/src/lib.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub use libc::*;
[INFO] [stdout]    |         ^^^^^^^ the name `strlen` in the value namespace is first re-exported here
[INFO] [stdout] 25 | pub use misc::*;
[INFO] [stdout]    |         ------- but the name `strlen` in the value namespace is also re-exported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]   --> web-libusb/src/lib.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub use libc::*;
[INFO] [stdout]    |         ^^^^^^^ the name `memchr` in the value namespace is first re-exported here
[INFO] [stdout] 25 | pub use misc::*;
[INFO] [stdout]    |         ------- but the name `memchr` in the value namespace is also re-exported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]   --> web-libusb/src/lib.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 74 |     Box::from_raw(context);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 74 |     let _ = Box::from_raw(context);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]   --> web-libusb/src/lib.rs:80:5
[INFO] [stdout]    |
[INFO] [stdout] 80 |     Box::from_raw(dev_handle);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 80 |     let _ = Box::from_raw(dev_handle);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> web-libusb/src/lib.rs:106:9
[INFO] [stdout]     |
[INFO] [stdout] 106 |         Box::from_raw(dev);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 106 |         let _ = Box::from_raw(dev);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> web-libusb/src/lib.rs:366:13
[INFO] [stdout]     |
[INFO] [stdout] 366 | /             Box::from_raw(&mut slice::from_raw_parts(
[INFO] [stdout] 367 | |                 setting.endpoint,
[INFO] [stdout] 368 | |                 setting.bNumEndpoints as usize,
[INFO] [stdout] 369 | |             ));
[INFO] [stdout]     | |______________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 366 |             let _ = Box::from_raw(&mut slice::from_raw_parts(
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rusb v0.6.5
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]   --> web-libusb/src/lib.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 74 |     Box::from_raw(context);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 74 |     let _ = Box::from_raw(context);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]   --> web-libusb/src/lib.rs:80:5
[INFO] [stdout]    |
[INFO] [stdout] 80 |     Box::from_raw(dev_handle);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 80 |     let _ = Box::from_raw(dev_handle);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> web-libusb/src/lib.rs:106:9
[INFO] [stdout]     |
[INFO] [stdout] 106 |         Box::from_raw(dev);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 106 |         let _ = Box::from_raw(dev);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> web-libusb/src/lib.rs:366:13
[INFO] [stdout]     |
[INFO] [stdout] 366 | /             Box::from_raw(&mut slice::from_raw_parts(
[INFO] [stdout] 367 | |                 setting.endpoint,
[INFO] [stdout] 368 | |                 setting.bNumEndpoints as usize,
[INFO] [stdout] 369 | |             ));
[INFO] [stdout]     | |______________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 366 |             let _ = Box::from_raw(&mut slice::from_raw_parts(
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking libnspire v0.2.3
[INFO] [stderr]     Checking web-libnspire v0.1.5 (/opt/rustwide/workdir/web-libnspire)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.78s
[INFO] running `Command { std: "docker" "inspect" "c8ac3285720ea1523b1ce38ed179bfa854d1c21cf6f4db69549ebb33db4f8916", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8ac3285720ea1523b1ce38ed179bfa854d1c21cf6f4db69549ebb33db4f8916", kill_on_drop: false }`
[INFO] [stdout] c8ac3285720ea1523b1ce38ed179bfa854d1c21cf6f4db69549ebb33db4f8916
