[INFO] cloning repository https://github.com/texthtml/midi-synthetizer-autoconnect
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/texthtml/midi-synthetizer-autoconnect" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftexthtml%2Fmidi-synthetizer-autoconnect", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftexthtml%2Fmidi-synthetizer-autoconnect'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ee5bfbc72c3c46f7c563424c09c642c7283945d6
[INFO] checking texthtml/midi-synthetizer-autoconnect against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftexthtml%2Fmidi-synthetizer-autoconnect" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/texthtml/midi-synthetizer-autoconnect on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-5-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/texthtml/midi-synthetizer-autoconnect
[INFO] finished tweaking git repo https://github.com/texthtml/midi-synthetizer-autoconnect
[INFO] tweaked toml for git repo https://github.com/texthtml/midi-synthetizer-autoconnect written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/texthtml/midi-synthetizer-autoconnect already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "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 serde v1.0.128
[INFO] [stderr]   Downloaded alsa v0.5.0
[INFO] [stderr]   Downloaded nix v0.20.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0042a9e24c48f83ff78540a39a98172fb66d8e82554fd3c1c23a843ee9810e11
[INFO] running `Command { std: "docker" "start" "-a" "0042a9e24c48f83ff78540a39a98172fb66d8e82554fd3c1c23a843ee9810e11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0042a9e24c48f83ff78540a39a98172fb66d8e82554fd3c1c23a843ee9810e11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0042a9e24c48f83ff78540a39a98172fb66d8e82554fd3c1c23a843ee9810e11", kill_on_drop: false }`
[INFO] [stdout] 0042a9e24c48f83ff78540a39a98172fb66d8e82554fd3c1c23a843ee9810e11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d3536d13a13f2d2fe5b36fe9af6501608fa9dae80ee021e89229560536ae107
[INFO] running `Command { std: "docker" "start" "-a" "0d3536d13a13f2d2fe5b36fe9af6501608fa9dae80ee021e89229560536ae107", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]    Compiling serde v1.0.128
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]     Checking tracing-core v0.1.19
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking sharded-slab v0.1.3
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking tracing-log v0.1.2
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking nix v0.20.1
[INFO] [stderr]     Checking tracing-serde v0.1.2
[INFO] [stderr]     Checking alsa v0.5.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking tracing-subscriber v0.2.20
[INFO] [stderr]     Checking midi-synthesizer-autoconnect v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.82s
[INFO] running `Command { std: "docker" "inspect" "0d3536d13a13f2d2fe5b36fe9af6501608fa9dae80ee021e89229560536ae107", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d3536d13a13f2d2fe5b36fe9af6501608fa9dae80ee021e89229560536ae107", kill_on_drop: false }`
[INFO] [stdout] 0d3536d13a13f2d2fe5b36fe9af6501608fa9dae80ee021e89229560536ae107
[INFO] checking texthtml/midi-synthetizer-autoconnect against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftexthtml%2Fmidi-synthetizer-autoconnect" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/texthtml/midi-synthetizer-autoconnect on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-5-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/texthtml/midi-synthetizer-autoconnect
[INFO] finished tweaking git repo https://github.com/texthtml/midi-synthetizer-autoconnect
[INFO] tweaked toml for git repo https://github.com/texthtml/midi-synthetizer-autoconnect written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/texthtml/midi-synthetizer-autoconnect already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 864b60731a084ce42d32283623f0d31dbf19b9087af618193c127333cb6e9f86
[INFO] running `Command { std: "docker" "start" "-a" "864b60731a084ce42d32283623f0d31dbf19b9087af618193c127333cb6e9f86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "864b60731a084ce42d32283623f0d31dbf19b9087af618193c127333cb6e9f86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "864b60731a084ce42d32283623f0d31dbf19b9087af618193c127333cb6e9f86", kill_on_drop: false }`
[INFO] [stdout] 864b60731a084ce42d32283623f0d31dbf19b9087af618193c127333cb6e9f86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 568e85923f49162fc4b7fa84bf65e86bbadc4d8a1a863535dc63b50a6e41f176
[INFO] running `Command { std: "docker" "start" "-a" "568e85923f49162fc4b7fa84bf65e86bbadc4d8a1a863535dc63b50a6e41f176", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]    Compiling serde v1.0.128
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]     Checking tracing-core v0.1.19
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking sharded-slab v0.1.3
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]     Checking tracing-log v0.1.2
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking nix v0.20.1
[INFO] [stderr]     Checking tracing-serde v0.1.2
[INFO] [stderr]     Checking alsa v0.5.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking tracing-subscriber v0.2.20
[INFO] [stderr]     Checking midi-synthesizer-autoconnect v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.09s
[INFO] running `Command { std: "docker" "inspect" "568e85923f49162fc4b7fa84bf65e86bbadc4d8a1a863535dc63b50a6e41f176", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "568e85923f49162fc4b7fa84bf65e86bbadc4d8a1a863535dc63b50a6e41f176", kill_on_drop: false }`
[INFO] [stdout] 568e85923f49162fc4b7fa84bf65e86bbadc4d8a1a863535dc63b50a6e41f176