[INFO] fetching crate synctools 0.3.2...
[INFO] testing synctools-0.3.2 against 1.73.0 for beta-1.74-1
[INFO] extracting crate synctools 0.3.2 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate synctools 0.3.2 on toolchain 1.73.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.73.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate synctools 0.3.2
[INFO] finished tweaking crates.io crate synctools 0.3.2
[INFO] tweaked toml for crates.io crate synctools 0.3.2 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.73.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.73.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+1.73.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9ae5cc31c7971e1efecf1e305f62726e8781d0ba0a26f70deda4345156a5dbe7
[INFO] running `Command { std: "docker" "start" "-a" "9ae5cc31c7971e1efecf1e305f62726e8781d0ba0a26f70deda4345156a5dbe7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ae5cc31c7971e1efecf1e305f62726e8781d0ba0a26f70deda4345156a5dbe7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ae5cc31c7971e1efecf1e305f62726e8781d0ba0a26f70deda4345156a5dbe7", kill_on_drop: false }`
[INFO] [stdout] 9ae5cc31c7971e1efecf1e305f62726e8781d0ba0a26f70deda4345156a5dbe7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+1.73.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 522b7194de183fd9f094b62439406e0d4600428dd2013a6d1986d9a25a8caa6b
[INFO] running `Command { std: "docker" "start" "-a" "522b7194de183fd9f094b62439406e0d4600428dd2013a6d1986d9a25a8caa6b", kill_on_drop: false }`
[INFO] [stderr]    Compiling synctools v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "522b7194de183fd9f094b62439406e0d4600428dd2013a6d1986d9a25a8caa6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "522b7194de183fd9f094b62439406e0d4600428dd2013a6d1986d9a25a8caa6b", kill_on_drop: false }`
[INFO] [stdout] 522b7194de183fd9f094b62439406e0d4600428dd2013a6d1986d9a25a8caa6b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+1.73.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7bc9206024473ceb08044cd318ba9d262ca10e101e9f95f28eee2b4320fbd6ea
[INFO] running `Command { std: "docker" "start" "-a" "7bc9206024473ceb08044cd318ba9d262ca10e101e9f95f28eee2b4320fbd6ea", kill_on_drop: false }`
[INFO] [stderr]    Compiling synctools v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "7bc9206024473ceb08044cd318ba9d262ca10e101e9f95f28eee2b4320fbd6ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bc9206024473ceb08044cd318ba9d262ca10e101e9f95f28eee2b4320fbd6ea", kill_on_drop: false }`
[INFO] [stdout] 7bc9206024473ceb08044cd318ba9d262ca10e101e9f95f28eee2b4320fbd6ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+1.73.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 54f10f117c154be4161d50e8a27a2971368d0b922f03eb45a224dbb106fa3d60
[INFO] running `Command { std: "docker" "start" "-a" "54f10f117c154be4161d50e8a27a2971368d0b922f03eb45a224dbb106fa3d60", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/synctools-297d2558e0c6a43c)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test_rwlock ... ok
[INFO] [stdout] test tests::test_mcs has been running for over 60 seconds
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "54f10f117c154be4161d50e8a27a2971368d0b922f03eb45a224dbb106fa3d60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54f10f117c154be4161d50e8a27a2971368d0b922f03eb45a224dbb106fa3d60", kill_on_drop: false }`
[INFO] [stdout] 54f10f117c154be4161d50e8a27a2971368d0b922f03eb45a224dbb106fa3d60