[INFO] updating cached repository https://github.com/Chatto/rust_audio
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 123066ba799aa469021d7b4654f2c196b8e8fdd9
[INFO] checking Chatto/rust_audio against try#0ab79c4b48ad19260fa46623f452c1b403a360e8 for pr-74315
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChatto%2Frust_audio" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] [stderr] Checking out files:  37% (3/8)   
Checking out files:  50% (4/8)   
Checking out files:  62% (5/8)   
Checking out files:  75% (6/8)   
Checking out files:  87% (7/8)   
Checking out files: 100% (8/8)   
Checking out files: 100% (8/8), done.
[INFO] validating manifest of git repo https://github.com/Chatto/rust_audio on toolchain 0ab79c4b48ad19260fa46623f452c1b403a360e8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Chatto/rust_audio
[INFO] finished tweaking git repo https://github.com/Chatto/rust_audio
[INFO] tweaked toml for git repo https://github.com/Chatto/rust_audio written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/Chatto/rust_audio already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9ad72e022e0d3397f18746b322c729015cd95eb7982d741a3683be370935a90b
[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" "9ad72e022e0d3397f18746b322c729015cd95eb7982d741a3683be370935a90b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ad72e022e0d3397f18746b322c729015cd95eb7982d741a3683be370935a90b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ad72e022e0d3397f18746b322c729015cd95eb7982d741a3683be370935a90b", kill_on_drop: false }`
[INFO] [stdout] 9ad72e022e0d3397f18746b322c729015cd95eb7982d741a3683be370935a90b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b761644059373067ff363e4a03282087f7878686345d34217a088d8ac15b368
[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" "9b761644059373067ff363e4a03282087f7878686345d34217a088d8ac15b368", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling cpal v0.10.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking hound v3.4.0
[INFO] [stderr]     Checking claxon v0.4.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling minimp3-sys v0.3.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking ogg v0.7.0
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]     Checking lewton v0.9.4
[INFO] [stderr]     Checking slice-deque v0.2.4
[INFO] [stderr]     Checking backtrace v0.3.43
[INFO] [stderr]     Checking minimp3 v0.3.3
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking rodio v0.10.0
[INFO] [stderr]     Checking rust_audio v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.20s
[INFO] running `Command { std: "docker" "inspect" "9b761644059373067ff363e4a03282087f7878686345d34217a088d8ac15b368", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b761644059373067ff363e4a03282087f7878686345d34217a088d8ac15b368", kill_on_drop: false }`
[INFO] [stdout] 9b761644059373067ff363e4a03282087f7878686345d34217a088d8ac15b368