[INFO] cloning repository https://github.com/reidbhuntley/rustsynth
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/reidbhuntley/rustsynth" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Freidbhuntley%2Frustsynth", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Freidbhuntley%2Frustsynth'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 708a7cc15b5d181bb4778542aef17b47d9b2b404
[INFO] checking reidbhuntley/rustsynth against try#82acd1d76add2232e19c1f0feb250d2a19ec6efe for pr-81213
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Freidbhuntley%2Frustsynth" "/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/reidbhuntley/rustsynth on toolchain 82acd1d76add2232e19c1f0feb250d2a19ec6efe
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/reidbhuntley/rustsynth
[INFO] finished tweaking git repo https://github.com/reidbhuntley/rustsynth
[INFO] tweaked toml for git repo https://github.com/reidbhuntley/rustsynth written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/reidbhuntley/rustsynth already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.0
[INFO] [stderr]   Downloaded arr_macro v0.1.3
[INFO] [stderr]   Downloaded chunked_transfer v1.3.0
[INFO] [stderr]   Downloaded alsa-sys v0.3.0
[INFO] [stderr]   Downloaded enum-ordinalize v3.1.8
[INFO] [stderr]   Downloaded coremidi-sys v2.0.2
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.0
[INFO] [stderr]   Downloaded num-derive v0.3.3
[INFO] [stderr]   Downloaded cesu8 v1.1.0
[INFO] [stderr]   Downloaded jni v0.14.0
[INFO] [stderr]   Downloaded ndk-glue v0.2.1
[INFO] [stderr]   Downloaded arr_macro_impl v0.1.3
[INFO] [stderr]   Downloaded jni v0.17.0
[INFO] [stderr]   Downloaded ndk-sys v0.2.1
[INFO] [stderr]   Downloaded ndk v0.2.1
[INFO] [stderr]   Downloaded ndk-macro v0.2.0
[INFO] [stderr]   Downloaded minimp3 v0.5.0
[INFO] [stderr]   Downloaded combine v4.3.2
[INFO] [stderr]   Downloaded claxon v0.4.3
[INFO] [stderr]   Downloaded midly v0.5.1
[INFO] [stderr]   Downloaded tar v0.4.30
[INFO] [stderr]   Downloaded cpal v0.13.0
[INFO] [stderr]   Downloaded midir v0.7.0
[INFO] [stderr]   Downloaded memalloc v0.1.0
[INFO] [stderr]   Downloaded alsa v0.4.2
[INFO] [stderr]   Downloaded educe v0.4.13
[INFO] [stderr]   Downloaded coremidi v0.4.0
[INFO] [stderr]   Downloaded fetch_unroll v0.2.1
[INFO] [stderr]   Downloaded oboe v0.3.0
[INFO] [stderr]   Downloaded oboe-sys v0.3.0
[INFO] [stderr]   Downloaded filetime v0.2.13
[INFO] [stderr]   Downloaded seahash v4.0.1
[INFO] [stderr]   Downloaded rodio v0.13.0
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5acc83ba4b6c4481497d68e27d3c07553904aca25865ffe433eff3db459d428c
[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" "5acc83ba4b6c4481497d68e27d3c07553904aca25865ffe433eff3db459d428c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5acc83ba4b6c4481497d68e27d3c07553904aca25865ffe433eff3db459d428c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5acc83ba4b6c4481497d68e27d3c07553904aca25865ffe433eff3db459d428c", kill_on_drop: false }`
[INFO] [stdout] 5acc83ba4b6c4481497d68e27d3c07553904aca25865ffe433eff3db459d428c
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "check" "--frozen" "--all" "--all-targets" "--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] 88965633aa8f70ae7d0eb82fbc7c108fb6c9e04da0984ed4999bcdbe26803eee
[INFO] running `Command { std: "docker" "start" "-a" "88965633aa8f70ae7d0eb82fbc7c108fb6c9e04da0984ed4999bcdbe26803eee", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling const_fn v0.4.3
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling cc v1.0.62
[INFO] [stderr]    Compiling cpal v0.13.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking tinyvec v0.3.4
[INFO] [stderr]     Checking claxon v0.4.3
[INFO] [stderr]     Checking hound v3.4.0
[INFO] [stderr]     Checking memalloc v0.1.0
[INFO] [stderr]     Checking seahash v4.0.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling crossbeam-utils v0.8.0
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.3.1
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling alsa-sys v0.3.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking ogg v0.7.0
[INFO] [stderr]     Checking lewton v0.10.1
[INFO] [stderr]     Checking crossbeam-epoch v0.9.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling minimp3-sys v0.3.2
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking slice-deque v0.3.0
[INFO] [stderr]     Checking minimp3 v0.5.0
[INFO] [stderr]     Checking midly v0.5.1
[INFO] [stderr]     Checking alsa v0.4.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling arr_macro_impl v0.1.3
[INFO] [stderr]    Compiling enum-ordinalize v3.1.8
[INFO] [stderr]     Checking midir v0.7.0
[INFO] [stderr]     Checking arr_macro v0.1.3
[INFO] [stderr]    Compiling educe v0.4.13
[INFO] [stderr]     Checking thiserror v1.0.22
[INFO] [stderr]     Checking rodio v0.13.0
[INFO] [stderr]     Checking rustsynth v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.90s
[INFO] running `Command { std: "docker" "inspect" "88965633aa8f70ae7d0eb82fbc7c108fb6c9e04da0984ed4999bcdbe26803eee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88965633aa8f70ae7d0eb82fbc7c108fb6c9e04da0984ed4999bcdbe26803eee", kill_on_drop: false }`
[INFO] [stdout] 88965633aa8f70ae7d0eb82fbc7c108fb6c9e04da0984ed4999bcdbe26803eee