[INFO] cloning repository https://github.com/MarimeGui/midi_synth
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MarimeGui/midi_synth" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarimeGui%2Fmidi_synth", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarimeGui%2Fmidi_synth'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1d1f2abfb07c31595ac6ec5ea42ee1c30b6a1ed5
[INFO] testing MarimeGui/midi_synth against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarimeGui%2Fmidi_synth" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MarimeGui/midi_synth on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MarimeGui/midi_synth
[INFO] finished tweaking git repo https://github.com/MarimeGui/midi_synth
[INFO] tweaked toml for git repo https://github.com/MarimeGui/midi_synth written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/MarimeGui/midi_synth already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9f288da1ac75a26fcfca873eb3037fd4708fda15b79829898e2ef46ec4dca82d
[INFO] running `Command { std: "docker" "start" "-a" "9f288da1ac75a26fcfca873eb3037fd4708fda15b79829898e2ef46ec4dca82d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f288da1ac75a26fcfca873eb3037fd4708fda15b79829898e2ef46ec4dca82d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f288da1ac75a26fcfca873eb3037fd4708fda15b79829898e2ef46ec4dca82d", kill_on_drop: false }`
[INFO] [stdout] 9f288da1ac75a26fcfca873eb3037fd4708fda15b79829898e2ef46ec4dca82d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 18be63138084304e1be83961f726bc879c28b3e65416ed4e55970c5b0377c6e9
[INFO] running `Command { std: "docker" "start" "-a" "18be63138084304e1be83961f726bc879c28b3e65416ed4e55970c5b0377c6e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling ez_io v0.1.0 (https://github.com/MarimeGui/ez_io.git#1d6a66ec)
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling getrandom v0.1.7
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling rand_core v0.5.0
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.0
[INFO] [stderr]    Compiling synthesizer v0.1.0 (https://github.com/MarimeGui/rust_synthesizer.git#07d7b928)
[INFO] [stderr]    Compiling standard_midi_file v0.1.0 (https://github.com/MarimeGui/standard_midi_file.git#163bc88d)
[INFO] [stderr]    Compiling midi_synth v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.72s
[INFO] running `Command { std: "docker" "inspect" "18be63138084304e1be83961f726bc879c28b3e65416ed4e55970c5b0377c6e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18be63138084304e1be83961f726bc879c28b3e65416ed4e55970c5b0377c6e9", kill_on_drop: false }`
[INFO] [stdout] 18be63138084304e1be83961f726bc879c28b3e65416ed4e55970c5b0377c6e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 512658d747cffba6949e940411c2373d4727439c87bd2b522a4fb33b3d85248d
[INFO] running `Command { std: "docker" "start" "-a" "512658d747cffba6949e940411c2373d4727439c87bd2b522a4fb33b3d85248d", kill_on_drop: false }`
[INFO] [stderr]    Compiling midi_synth v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "512658d747cffba6949e940411c2373d4727439c87bd2b522a4fb33b3d85248d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "512658d747cffba6949e940411c2373d4727439c87bd2b522a4fb33b3d85248d", kill_on_drop: false }`
[INFO] [stdout] 512658d747cffba6949e940411c2373d4727439c87bd2b522a4fb33b3d85248d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3f589d620eea59e82029e223f22b44896d3ae90c979c71b62d6807f6a1d9d622
[INFO] running `Command { std: "docker" "start" "-a" "3f589d620eea59e82029e223f22b44896d3ae90c979c71b62d6807f6a1d9d622", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/midi_synth-3b0c6b227dd1b73b)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3f589d620eea59e82029e223f22b44896d3ae90c979c71b62d6807f6a1d9d622", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f589d620eea59e82029e223f22b44896d3ae90c979c71b62d6807f6a1d9d622", kill_on_drop: false }`
[INFO] [stdout] 3f589d620eea59e82029e223f22b44896d3ae90c979c71b62d6807f6a1d9d622