[INFO] cloning repository https://github.com/andrewjensen/midi2json
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/andrewjensen/midi2json" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewjensen%2Fmidi2json", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewjensen%2Fmidi2json'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b26460cf54173495a81621d757707aece10a04cb
[INFO] checking andrewjensen/midi2json against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewjensen%2Fmidi2json" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/andrewjensen/midi2json on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/andrewjensen/midi2json
[INFO] finished tweaking git repo https://github.com/andrewjensen/midi2json
[INFO] tweaked toml for git repo https://github.com/andrewjensen/midi2json written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/andrewjensen/midi2json already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 71d2044ffcac5bfbfb63fed1be386e6875d86e3196df8f86d2af3315dac44fa3
[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" "71d2044ffcac5bfbfb63fed1be386e6875d86e3196df8f86d2af3315dac44fa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71d2044ffcac5bfbfb63fed1be386e6875d86e3196df8f86d2af3315dac44fa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71d2044ffcac5bfbfb63fed1be386e6875d86e3196df8f86d2af3315dac44fa3", kill_on_drop: false }`
[INFO] [stdout] 71d2044ffcac5bfbfb63fed1be386e6875d86e3196df8f86d2af3315dac44fa3
[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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d88073389326dfbcac866f03b7cc2cc7a1a1e2bf0d3aacb4252b2fd8d538d8e6
[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" "d88073389326dfbcac866f03b7cc2cc7a1a1e2bf0d3aacb4252b2fd8d538d8e6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]    Compiling syn v0.15.38
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]    Compiling rayon-core v1.5.0
[INFO] [stderr]    Compiling ryu v0.2.8
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling serde v1.0.93
[INFO] [stderr]     Checking rustc-demangle v0.1.15
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]     Checking bit v0.1.1
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]     Checking crossbeam-utils v0.6.5
[INFO] [stderr]    Compiling backtrace v0.3.30
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking crossbeam-epoch v0.7.1
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]     Checking rayon v0.9.0
[INFO] [stderr]     Checking midly v0.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.93
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking midi2json v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.85s
[INFO] running `Command { std: "docker" "inspect" "d88073389326dfbcac866f03b7cc2cc7a1a1e2bf0d3aacb4252b2fd8d538d8e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d88073389326dfbcac866f03b7cc2cc7a1a1e2bf0d3aacb4252b2fd8d538d8e6", kill_on_drop: false }`
[INFO] [stdout] d88073389326dfbcac866f03b7cc2cc7a1a1e2bf0d3aacb4252b2fd8d538d8e6