[INFO] cloning repository https://github.com/cauebs/clavier-a-lumieres
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cauebs/clavier-a-lumieres" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcauebs%2Fclavier-a-lumieres", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcauebs%2Fclavier-a-lumieres'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d27d77d0281c3a284542bc89ff2b2b374a27d715
[INFO] testing cauebs/clavier-a-lumieres against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcauebs%2Fclavier-a-lumieres" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cauebs/clavier-a-lumieres on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cauebs/clavier-a-lumieres
[INFO] finished tweaking git repo https://github.com/cauebs/clavier-a-lumieres
[INFO] tweaked toml for git repo https://github.com/cauebs/clavier-a-lumieres written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/cauebs/clavier-a-lumieres already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive v1.0.82
[INFO] [stderr]   Downloaded proc-macro2 v0.3.5
[INFO] [stderr]   Downloaded alsa v0.2.1
[INFO] [stderr]   Downloaded clang-sys v0.23.0
[INFO] [stderr]   Downloaded coremidi v0.3.0
[INFO] [stderr]   Downloaded nix v0.9.0
[INFO] [stderr]   Downloaded midir v0.5.0
[INFO] [stderr]   Downloaded bindgen v0.37.4
[INFO] [stderr]   Downloaded winmm-sys v0.2.0
[INFO] [stderr]   Downloaded coremidi-sys v2.0.2
[INFO] [stderr]   Downloaded memalloc v0.1.0
[INFO] [stderr]   Downloaded rs_ws281x v0.2.3
[INFO] [stderr]   Downloaded wmidi v1.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 868dd21dc767ea143cf657e33eefe8606a76b62a488be94b59e292e4c1b72aad
[INFO] running `Command { std: "docker" "start" "-a" "868dd21dc767ea143cf657e33eefe8606a76b62a488be94b59e292e4c1b72aad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "868dd21dc767ea143cf657e33eefe8606a76b62a488be94b59e292e4c1b72aad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "868dd21dc767ea143cf657e33eefe8606a76b62a488be94b59e292e4c1b72aad", kill_on_drop: false }`
[INFO] [stdout] 868dd21dc767ea143cf657e33eefe8606a76b62a488be94b59e292e4c1b72aad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2aab91745f7cec7ecb6176a0117aa25464f912b6e4a4149fe43fb556704a740e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2aab91745f7cec7ecb6176a0117aa25464f912b6e4a4149fe43fb556704a740e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling cc v1.0.28
[INFO] [stderr]    Compiling lazy_static v1.2.0
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling termcolor v1.0.4
[INFO] [stderr]    Compiling bindgen v0.37.4
[INFO] [stderr]    Compiling serde v1.0.82
[INFO] [stderr]    Compiling memalloc v0.1.0
[INFO] [stderr]    Compiling bitflags v0.3.3
[INFO] [stderr]    Compiling wmidi v1.1.0
[INFO] [stderr]    Compiling clang-sys v0.23.0
[INFO] [stderr]    Compiling textwrap v0.10.0
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling humantime v1.2.0
[INFO] [stderr]    Compiling regex-syntax v0.6.4
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling proc-macro2 v0.3.5
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling which v1.0.5
[INFO] [stderr]    Compiling nix v0.9.0
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling syn v0.15.23
[INFO] [stderr]    Compiling cexpr v0.2.3
[INFO] [stderr]    Compiling alsa v0.2.1
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling serde_derive v1.0.82
[INFO] [stderr]    Compiling midir v0.5.0
[INFO] [stderr]    Compiling rs_ws281x v0.2.3
[INFO] [stderr]    Compiling clavier-à-lumières v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `CHROMATIC_RAINBOW`
[INFO] [stdout]  --> src/piano.rs:3:31
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::colors::{ColorRGB, CHROMATIC_RAINBOW, RAINBOW_OF_FIFTHS};
[INFO] [stdout]   |                               ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `CHROMATIC_RAINBOW`
[INFO] [stdout]   --> src/colors.rs:3:1
[INFO] [stdout]    |
[INFO] [stdout] 3  | / pub const CHROMATIC_RAINBOW: [ColorRGB; 12] = [
[INFO] [stdout] 4  | |     (0xff, 0x00, 0x00),
[INFO] [stdout] 5  | |     (0xff, 0x80, 0x00),
[INFO] [stdout] 6  | |     (0xff, 0xff, 0x00),
[INFO] [stdout] ...  |
[INFO] [stdout] 15 | |     (0xff, 0x00, 0x80),
[INFO] [stdout] 16 | | ];
[INFO] [stdout]    | |__^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 31s
[INFO] running `Command { std: "docker" "inspect" "2aab91745f7cec7ecb6176a0117aa25464f912b6e4a4149fe43fb556704a740e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2aab91745f7cec7ecb6176a0117aa25464f912b6e4a4149fe43fb556704a740e", kill_on_drop: false }`
[INFO] [stdout] 2aab91745f7cec7ecb6176a0117aa25464f912b6e4a4149fe43fb556704a740e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 91b09aaa65bbbc035f3f8086666cb1e9d3f0c27cacf86843e0322535a7d18981
[INFO] running `Command { std: "docker" "start" "-a" "91b09aaa65bbbc035f3f8086666cb1e9d3f0c27cacf86843e0322535a7d18981", kill_on_drop: false }`
[INFO] [stderr]    Compiling clavier-à-lumières v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `CHROMATIC_RAINBOW`
[INFO] [stdout]  --> src/piano.rs:3:31
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::colors::{ColorRGB, CHROMATIC_RAINBOW, RAINBOW_OF_FIFTHS};
[INFO] [stdout]   |                               ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `CHROMATIC_RAINBOW`
[INFO] [stdout]   --> src/colors.rs:3:1
[INFO] [stdout]    |
[INFO] [stdout] 3  | / pub const CHROMATIC_RAINBOW: [ColorRGB; 12] = [
[INFO] [stdout] 4  | |     (0xff, 0x00, 0x00),
[INFO] [stdout] 5  | |     (0xff, 0x80, 0x00),
[INFO] [stdout] 6  | |     (0xff, 0xff, 0x00),
[INFO] [stdout] ...  |
[INFO] [stdout] 15 | |     (0xff, 0x00, 0x80),
[INFO] [stdout] 16 | | ];
[INFO] [stdout]    | |__^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "91b09aaa65bbbc035f3f8086666cb1e9d3f0c27cacf86843e0322535a7d18981", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91b09aaa65bbbc035f3f8086666cb1e9d3f0c27cacf86843e0322535a7d18981", kill_on_drop: false }`
[INFO] [stdout] 91b09aaa65bbbc035f3f8086666cb1e9d3f0c27cacf86843e0322535a7d18981
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 97bc96175f75f72a3e7bd5ab6e5248c8029233a7fed898953e641e0f07fa3c17
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "97bc96175f75f72a3e7bd5ab6e5248c8029233a7fed898953e641e0f07fa3c17", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused import: `CHROMATIC_RAINBOW`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/piano.rs:3:31
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr] 3 | use crate::colors::{ColorRGB, CHROMATIC_RAINBOW, RAINBOW_OF_FIFTHS};
[INFO] [stdout] 
[INFO] [stderr]   |                               ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `CHROMATIC_RAINBOW`
[INFO] [stderr]   --> src/colors.rs:3:1
[INFO] [stderr]    |
[INFO] [stderr] 3  | / pub const CHROMATIC_RAINBOW: [ColorRGB; 12] = [
[INFO] [stderr] 4  | |     (0xff, 0x00, 0x00),
[INFO] [stderr] 5  | |     (0xff, 0x80, 0x00),
[INFO] [stderr] 6  | |     (0xff, 0xff, 0x00),
[INFO] [stderr] ...  |
[INFO] [stderr] 15 | |     (0xff, 0x00, 0x80),
[INFO] [stderr] 16 | | ];
[INFO] [stderr]    | |__^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/clavier_à_lumières-932fc61872a4608b
[INFO] running `Command { std: "docker" "inspect" "97bc96175f75f72a3e7bd5ab6e5248c8029233a7fed898953e641e0f07fa3c17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97bc96175f75f72a3e7bd5ab6e5248c8029233a7fed898953e641e0f07fa3c17", kill_on_drop: false }`
[INFO] [stdout] 97bc96175f75f72a3e7bd5ab6e5248c8029233a7fed898953e641e0f07fa3c17