[INFO] cloning repository https://github.com/unsignedbytebite/chord-composer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/unsignedbytebite/chord-composer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Funsignedbytebite%2Fchord-composer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Funsignedbytebite%2Fchord-composer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d86a8c769ba40010c05ab937404a24ea2ee82e04
[INFO] checking unsignedbytebite/chord-composer against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Funsignedbytebite%2Fchord-composer" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/unsignedbytebite/chord-composer on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/unsignedbytebite/chord-composer
[INFO] finished tweaking git repo https://github.com/unsignedbytebite/chord-composer
[INFO] tweaked toml for git repo https://github.com/unsignedbytebite/chord-composer written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/unsignedbytebite/chord-composer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "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] fa7781c85b9fd21b712f4a01c42320a25c2539b18a799fe03622c689580c5b0b
[INFO] running `Command { std: "docker" "start" "-a" "fa7781c85b9fd21b712f4a01c42320a25c2539b18a799fe03622c689580c5b0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa7781c85b9fd21b712f4a01c42320a25c2539b18a799fe03622c689580c5b0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa7781c85b9fd21b712f4a01c42320a25c2539b18a799fe03622c689580c5b0b", kill_on_drop: false }`
[INFO] [stdout] fa7781c85b9fd21b712f4a01c42320a25c2539b18a799fe03622c689580c5b0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 947a2c43b490dd39cec07dfe436e5bbc34e9e34b1176aef1d773be590cd5ac53
[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" "947a2c43b490dd39cec07dfe436e5bbc34e9e34b1176aef1d773be590cd5ac53", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]    Compiling cpal v0.10.0
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking hound v3.4.0
[INFO] [stderr]     Checking music-timer v0.1.6
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking ogg v0.7.0
[INFO] [stderr]     Checking ghakuf v0.5.4
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]     Checking lewton v0.9.4
[INFO] [stderr]    Compiling backtrace-sys v0.1.34
[INFO] [stderr]    Compiling minimp3-sys v0.3.2
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking slice-deque v0.3.0
[INFO] [stderr]     Checking alsa-sys v0.1.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking minimp3 v0.3.5
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking backtrace v0.3.45
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking stopwatch v0.0.7
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]     Checking serde_yaml v0.8.11
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]     Checking failure v0.1.7
[INFO] [stderr]     Checking rodio v0.10.0
[INFO] [stderr]     Checking chord-composer v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:890:27
[INFO] [stdout]     |
[INFO] [stdout] 890 |       _ => assert!(false, true),
[INFO] [stdout]     |                           ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 890 |       _ => assert!(false, "{}", true),
[INFO] [stdout]     |                           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:913:27
[INFO] [stdout]     |
[INFO] [stdout] 913 |       _ => assert!(false, true),
[INFO] [stdout]     |                           ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 913 |       _ => assert!(false, "{}", true),
[INFO] [stdout]     |                           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 54.31s
[INFO] running `Command { std: "docker" "inspect" "947a2c43b490dd39cec07dfe436e5bbc34e9e34b1176aef1d773be590cd5ac53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "947a2c43b490dd39cec07dfe436e5bbc34e9e34b1176aef1d773be590cd5ac53", kill_on_drop: false }`
[INFO] [stdout] 947a2c43b490dd39cec07dfe436e5bbc34e9e34b1176aef1d773be590cd5ac53