[INFO] fetching crate midi-msg 0.8.0...
[INFO] checking midi-msg-0.8.0 against try#0c7fed2b7584d310ca8221267fa1b3bec4df427f for pr-133502-4
[INFO] extracting crate midi-msg 0.8.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate midi-msg 0.8.0 on toolchain 0c7fed2b7584d310ca8221267fa1b3bec4df427f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0c7fed2b7584d310ca8221267fa1b3bec4df427f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate midi-msg 0.8.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate midi-msg 0.8.0
[INFO] tweaked toml for crates.io crate midi-msg 0.8.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate midi-msg 0.8.0 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" "+0c7fed2b7584d310ca8221267fa1b3bec4df427f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+0c7fed2b7584d310ca8221267fa1b3bec4df427f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0f4383cc5619f485186f80ff72ea03e9d2655822f62e13475c6d93c3b7db862d
[INFO] running `Command { std: "docker" "start" "-a" "0f4383cc5619f485186f80ff72ea03e9d2655822f62e13475c6d93c3b7db862d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f4383cc5619f485186f80ff72ea03e9d2655822f62e13475c6d93c3b7db862d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f4383cc5619f485186f80ff72ea03e9d2655822f62e13475c6d93c3b7db862d", kill_on_drop: false }`
[INFO] [stdout] 0f4383cc5619f485186f80ff72ea03e9d2655822f62e13475c6d93c3b7db862d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+0c7fed2b7584d310ca8221267fa1b3bec4df427f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 65beb0401275caa254dc82403a7a472b662e3a96983861a69c17de90b22ef692
[INFO] running `Command { std: "docker" "start" "-a" "65beb0401275caa254dc82403a7a472b662e3a96983861a69c17de90b22ef692", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking memalloc v0.1.0
[INFO] [stderr]     Checking micromath v1.1.1
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]     Checking bstr v1.9.1
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking nix v0.23.2
[INFO] [stderr]    Compiling strum_macros v0.24.3
[INFO] [stderr]     Checking strum v0.24.1
[INFO] [stderr]     Checking midi-msg v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking alsa v0.6.0
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/system_exclusive/machine_control.rs:132:26
[INFO] [stdout]     |
[INFO] [stdout] 132 | pub struct StandardSpeed(f32);
[INFO] [stdout]     |            ------------- ^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking midir v0.8.0
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/system_exclusive/machine_control.rs:132:26
[INFO] [stdout]     |
[INFO] [stdout] 132 | pub struct StandardSpeed(f32);
[INFO] [stdout]     |            ------------- ^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.09s
[INFO] running `Command { std: "docker" "inspect" "65beb0401275caa254dc82403a7a472b662e3a96983861a69c17de90b22ef692", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65beb0401275caa254dc82403a7a472b662e3a96983861a69c17de90b22ef692", kill_on_drop: false }`
[INFO] [stdout] 65beb0401275caa254dc82403a7a472b662e3a96983861a69c17de90b22ef692