[INFO] cloning repository https://github.com/willcassella/musium
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/willcassella/musium" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwillcassella%2Fmusium", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwillcassella%2Fmusium'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d34826f74622c00eac7a050554ba33a12c1c03fa
[INFO] checking willcassella/musium against try#e0f03aec47b100bc29555561bd62a99d1bc6aca5 for pr-86231
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwillcassella%2Fmusium" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/willcassella/musium on toolchain e0f03aec47b100bc29555561bd62a99d1bc6aca5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/willcassella/musium
[INFO] finished tweaking git repo https://github.com/willcassella/musium
[INFO] tweaked toml for git repo https://github.com/willcassella/musium written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/willcassella/musium already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded id3 v0.5.1
[INFO] [stderr]   Downloaded tree_magic v0.2.3
[INFO] [stderr]   Downloaded metaflac v0.2.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d82c2676fd0e1d8ea94be1724a722cd686de1e8f10ce2aa6768639815bf1619b
[INFO] running `Command { std: "docker" "start" "-a" "d82c2676fd0e1d8ea94be1724a722cd686de1e8f10ce2aa6768639815bf1619b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d82c2676fd0e1d8ea94be1724a722cd686de1e8f10ce2aa6768639815bf1619b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d82c2676fd0e1d8ea94be1724a722cd686de1e8f10ce2aa6768639815bf1619b", kill_on_drop: false }`
[INFO] [stdout] d82c2676fd0e1d8ea94be1724a722cd686de1e8f10ce2aa6768639815bf1619b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 28b44ba62f50d9ff9ceee832b17b5dea05a7e1ab9416b566334e00175bec23cf
[INFO] running `Command { std: "docker" "start" "-a" "28b44ba62f50d9ff9ceee832b17b5dea05a7e1ab9416b566334e00175bec23cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking smallvec v1.4.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking miniz_oxide v0.3.6
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]    Compiling indexmap v1.4.0
[INFO] [stderr]     Checking metaflac v0.2.3
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]     Checking nom v3.2.1
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking id3 v0.5.1
[INFO] [stderr]     Checking tree_magic v0.2.3
[INFO] [stderr]     Checking musium v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.08s
[INFO] running `Command { std: "docker" "inspect" "28b44ba62f50d9ff9ceee832b17b5dea05a7e1ab9416b566334e00175bec23cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28b44ba62f50d9ff9ceee832b17b5dea05a7e1ab9416b566334e00175bec23cf", kill_on_drop: false }`
[INFO] [stdout] 28b44ba62f50d9ff9ceee832b17b5dea05a7e1ab9416b566334e00175bec23cf