[INFO] fetching crate mutation-monitor 0.1.0...
[INFO] testing mutation-monitor-0.1.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate mutation-monitor 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate mutation-monitor 0.1.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate mutation-monitor 0.1.0
[INFO] tweaked toml for crates.io crate mutation-monitor 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mutation-monitor 0.1.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mutation-monitor 0.1.0 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f3a76f02a2ebb2a5d5105e2c7ce522a369a304cf02a48e9975cfe8135f3f90e9
[INFO] running `Command { std: "docker" "start" "-a" "f3a76f02a2ebb2a5d5105e2c7ce522a369a304cf02a48e9975cfe8135f3f90e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f3a76f02a2ebb2a5d5105e2c7ce522a369a304cf02a48e9975cfe8135f3f90e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3a76f02a2ebb2a5d5105e2c7ce522a369a304cf02a48e9975cfe8135f3f90e9", kill_on_drop: false }`
[INFO] [stdout] f3a76f02a2ebb2a5d5105e2c7ce522a369a304cf02a48e9975cfe8135f3f90e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1383129adab8fc97845d56b417dbd17ecc2f62c22d3e2921cb5572e3f4587e58
[INFO] running `Command { std: "docker" "start" "-a" "1383129adab8fc97845d56b417dbd17ecc2f62c22d3e2921cb5572e3f4587e58", kill_on_drop: false }`
[INFO] [stderr]    Compiling mutation-monitor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "1383129adab8fc97845d56b417dbd17ecc2f62c22d3e2921cb5572e3f4587e58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1383129adab8fc97845d56b417dbd17ecc2f62c22d3e2921cb5572e3f4587e58", kill_on_drop: false }`
[INFO] [stdout] 1383129adab8fc97845d56b417dbd17ecc2f62c22d3e2921cb5572e3f4587e58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e7d7feb5665cc5adb3eec0763c0bbb71e0d44b64e8d1c95f6de4d4d99dbf51af
[INFO] running `Command { std: "docker" "start" "-a" "e7d7feb5665cc5adb3eec0763c0bbb71e0d44b64e8d1c95f6de4d4d99dbf51af", kill_on_drop: false }`
[INFO] [stderr]    Compiling mutation-monitor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "e7d7feb5665cc5adb3eec0763c0bbb71e0d44b64e8d1c95f6de4d4d99dbf51af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7d7feb5665cc5adb3eec0763c0bbb71e0d44b64e8d1c95f6de4d4d99dbf51af", kill_on_drop: false }`
[INFO] [stdout] e7d7feb5665cc5adb3eec0763c0bbb71e0d44b64e8d1c95f6de4d4d99dbf51af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 889fdc8616a3346d3468ccfaec1c779f2ddb771ebce794c6cbc09286d625ef00
[INFO] running `Command { std: "docker" "start" "-a" "889fdc8616a3346d3468ccfaec1c779f2ddb771ebce794c6cbc09286d625ef00", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mutation_monitor-95aa13fccc4abc6e)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[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] [stderr]      Running tests/tests.rs (/opt/rustwide/target/debug/deps/tests-b6db425d32338576)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::notifies_on_change ... ok
[INFO] [stdout] test tests::reentrant_notify_is_safe ... ok
[INFO] [stdout] test tests::notifies_on_guard_drop ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mutation_monitor
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[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" "889fdc8616a3346d3468ccfaec1c779f2ddb771ebce794c6cbc09286d625ef00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "889fdc8616a3346d3468ccfaec1c779f2ddb771ebce794c6cbc09286d625ef00", kill_on_drop: false }`
[INFO] [stdout] 889fdc8616a3346d3468ccfaec1c779f2ddb771ebce794c6cbc09286d625ef00