[INFO] cloning repository https://github.com/bemeurer/musync
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bemeurer/musync" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbemeurer%2Fmusync", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbemeurer%2Fmusync'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d0117b86dc87c37ad742ba5e051ab5ca7bb141f9
[INFO] checking bemeurer/musync against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbemeurer%2Fmusync" "/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/bemeurer/musync on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bemeurer/musync
[INFO] finished tweaking git repo https://github.com/bemeurer/musync
[INFO] tweaked toml for git repo https://github.com/bemeurer/musync written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/bemeurer/musync already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bincode v1.2.0
[INFO] [stderr]   Downloaded lock_api v0.3.1
[INFO] [stderr]   Downloaded blake2 v0.8.1
[INFO] [stderr]   Downloaded syn v1.0.8
[INFO] [stderr]   Downloaded serde_derive v1.0.102
[INFO] [stderr]   Downloaded serde v1.0.102
[INFO] [stderr]   Downloaded libc v0.2.65
[INFO] [stderr]   Downloaded pretty_toa v1.0.0
[INFO] [stderr]   Downloaded itoa v0.3.4
[INFO] [stderr]   Downloaded magic-sys v0.2.0
[INFO] [stderr]   Downloaded serde_bytes v0.11.2
[INFO] [stderr]   Downloaded magic v0.12.2
[INFO] [stderr]   Downloaded sled v0.29.2
[INFO] [stderr]   Downloaded simplemad_sys v0.5.0
[INFO] [stderr]   Downloaded simplemad v0.9.0
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7b017f7a672bf6d8d3dbc6e10f6897f30a92e1c3a9bc5b34063156f90a6f5d1c
[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" "7b017f7a672bf6d8d3dbc6e10f6897f30a92e1c3a9bc5b34063156f90a6f5d1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b017f7a672bf6d8d3dbc6e10f6897f30a92e1c3a9bc5b34063156f90a6f5d1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b017f7a672bf6d8d3dbc6e10f6897f30a92e1c3a9bc5b34063156f90a6f5d1c", kill_on_drop: false }`
[INFO] [stdout] 7b017f7a672bf6d8d3dbc6e10f6897f30a92e1c3a9bc5b34063156f90a6f5d1c
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b9f792fd00b470424403bbc295d849e371e3b5621959a6c374d0571ac066afa6
[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" "b9f792fd00b470424403bbc295d849e371e3b5621959a6c374d0571ac066afa6", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking smallvec v1.0.0
[INFO] [stderr]     Checking hex v0.4.0
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling bincode v1.2.0
[INFO] [stderr]     Checking lock_api v0.3.1
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]     Checking typenum v1.11.2
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking magic-sys v0.2.0
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking ogg v0.7.0
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking magic v0.12.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking lewton v0.9.4
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling simplemad_sys v0.5.0
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking blake2 v0.8.1
[INFO] [stderr]     Checking pretty_toa v1.0.0
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking simplemad v0.9.0
[INFO] [stderr]     Checking twox-hash v1.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.102
[INFO] [stderr]     Checking serde_bytes v0.11.2
[INFO] [stderr]     Checking toml v0.5.5
[INFO] [stderr]     Checking sled v0.29.2
[INFO] [stderr]     Checking musync v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `wav_hash`
[INFO] [stdout]    --> src/checksum.rs:317:4
[INFO] [stdout]     |
[INFO] [stdout] 317 | fn wav_hash(file_path: &PathBuf) -> Result {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `wav_hash`
[INFO] [stdout]    --> src/checksum.rs:317:4
[INFO] [stdout]     |
[INFO] [stdout] 317 | fn wav_hash(file_path: &PathBuf) -> Result {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 13s
[INFO] running `Command { std: "docker" "inspect" "b9f792fd00b470424403bbc295d849e371e3b5621959a6c374d0571ac066afa6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9f792fd00b470424403bbc295d849e371e3b5621959a6c374d0571ac066afa6", kill_on_drop: false }`
[INFO] [stdout] b9f792fd00b470424403bbc295d849e371e3b5621959a6c374d0571ac066afa6