[INFO] cloning repository https://github.com/arrudagates/tree-tunes
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/arrudagates/tree-tunes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farrudagates%2Ftree-tunes", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farrudagates%2Ftree-tunes'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aa08993e0434068f68ebd6f73c30eb5ef1741d39
[INFO] checking arrudagates/tree-tunes against try#9cfe725f0995b018340c519db1b2f3cf8a7e0631 for pr-81174
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farrudagates%2Ftree-tunes" "/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/arrudagates/tree-tunes on toolchain 9cfe725f0995b018340c519db1b2f3cf8a7e0631
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/arrudagates/tree-tunes
[INFO] finished tweaking git repo https://github.com/arrudagates/tree-tunes
[INFO] tweaked toml for git repo https://github.com/arrudagates/tree-tunes written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/arrudagates/tree-tunes already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded metaflac v0.2.4
[INFO] [stderr]   Downloaded id3 v0.5.1
[INFO] [stderr]   Downloaded mp4ameta v0.6.1
[INFO] [stderr]   Downloaded mp4ameta_proc v0.1.1
[INFO] [stderr]   Downloaded libmath v0.2.1
[INFO] [stderr]   Downloaded crossbeam v0.8.0
[INFO] [stderr]   Downloaded audiotags-dev-macro v0.1.4
[INFO] [stderr]   Downloaded libmpv-sys v3.1.0
[INFO] [stderr]   Downloaded audiotags v0.2.7182
[INFO] [stderr]   Downloaded libmpv v2.0.1
[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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 82bb32b713129819a2daa39b629ce39c5e417ee8a2683a25217240937b233303
[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" "82bb32b713129819a2daa39b629ce39c5e417ee8a2683a25217240937b233303", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "82bb32b713129819a2daa39b629ce39c5e417ee8a2683a25217240937b233303", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82bb32b713129819a2daa39b629ce39c5e417ee8a2683a25217240937b233303", kill_on_drop: false }`
[INFO] [stdout] 82bb32b713129819a2daa39b629ce39c5e417ee8a2683a25217240937b233303
[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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a5f478c471f62512e91647a3bcc63137ee550c82e8cdf8075666797f576c7f3
[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" "7a5f478c471f62512e91647a3bcc63137ee550c82e8cdf8075666797f576c7f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling syn v1.0.55
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling const_fn v0.4.4
[INFO] [stderr]    Compiling libmpv-sys v3.1.0
[INFO] [stderr]     Checking smallvec v1.5.1
[INFO] [stderr]    Compiling mp4ameta_proc v0.1.1
[INFO] [stderr]    Compiling libmpv v2.0.1
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking audiotags-dev-macro v0.1.4
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking mp4ameta v0.6.1
[INFO] [stderr]     Checking crossbeam-queue v0.3.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking metaflac v0.2.4
[INFO] [stderr]     Checking crossbeam-epoch v0.9.1
[INFO] [stderr]     Checking signal-hook-registry v1.2.2
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking mio v0.7.6
[INFO] [stderr]     Checking parking_lot_core v0.8.2
[INFO] [stderr]     Checking flate2 v1.0.19
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking signal-hook v0.1.16
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking crossbeam v0.8.0
[INFO] [stderr]     Checking crossterm v0.18.2
[INFO] [stderr]     Checking id3 v0.5.1
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking libmath v0.2.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]     Checking thiserror v1.0.22
[INFO] [stderr]     Checking audiotags v0.2.7182
[INFO] [stderr]     Checking rustree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.46s
[INFO] running `Command { std: "docker" "inspect" "7a5f478c471f62512e91647a3bcc63137ee550c82e8cdf8075666797f576c7f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a5f478c471f62512e91647a3bcc63137ee550c82e8cdf8075666797f576c7f3", kill_on_drop: false }`
[INFO] [stdout] 7a5f478c471f62512e91647a3bcc63137ee550c82e8cdf8075666797f576c7f3