[INFO] fetching crate rcmut 0.0.2...
[INFO] testing rcmut-0.0.2 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate rcmut 0.0.2 into /workspace/builds/worker-20/source
[INFO] validating manifest of crates.io crate rcmut 0.0.2 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rcmut 0.0.2
[INFO] finished tweaking crates.io crate rcmut 0.0.2
[INFO] tweaked toml for crates.io crate rcmut 0.0.2 written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 35b727b4b789b847e5c705ec06fd75824a067fc3ffa0222f011e06d30ef9c788
[INFO] running `Command { std: "docker" "start" "-a" "35b727b4b789b847e5c705ec06fd75824a067fc3ffa0222f011e06d30ef9c788", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "35b727b4b789b847e5c705ec06fd75824a067fc3ffa0222f011e06d30ef9c788", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35b727b4b789b847e5c705ec06fd75824a067fc3ffa0222f011e06d30ef9c788", kill_on_drop: false }`
[INFO] [stdout] 35b727b4b789b847e5c705ec06fd75824a067fc3ffa0222f011e06d30ef9c788
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d67737e8c16a263dffcc3ae08cec9bfae9bcb34e9d50518139966ea2db653aad
[INFO] running `Command { std: "docker" "start" "-a" "d67737e8c16a263dffcc3ae08cec9bfae9bcb34e9d50518139966ea2db653aad", kill_on_drop: false }`
[INFO] [stderr]    Compiling rcmut v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "d67737e8c16a263dffcc3ae08cec9bfae9bcb34e9d50518139966ea2db653aad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d67737e8c16a263dffcc3ae08cec9bfae9bcb34e9d50518139966ea2db653aad", kill_on_drop: false }`
[INFO] [stdout] d67737e8c16a263dffcc3ae08cec9bfae9bcb34e9d50518139966ea2db653aad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 058df9979bae1c5b4c94ebf7d8265260dc346378a9ac148229ce857266f82086
[INFO] running `Command { std: "docker" "start" "-a" "058df9979bae1c5b4c94ebf7d8265260dc346378a9ac148229ce857266f82086", kill_on_drop: false }`
[INFO] [stderr]    Compiling rcmut v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.40s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/rcmut-998fdd2a3897ebe1)
[INFO] running `Command { std: "docker" "inspect" "058df9979bae1c5b4c94ebf7d8265260dc346378a9ac148229ce857266f82086", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "058df9979bae1c5b4c94ebf7d8265260dc346378a9ac148229ce857266f82086", kill_on_drop: false }`
[INFO] [stdout] 058df9979bae1c5b4c94ebf7d8265260dc346378a9ac148229ce857266f82086
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2d169d26958ecb34f79a3c73eac02ad7a458b383e6b17799d8d2e427d4ddf0f9
[INFO] running `Command { std: "docker" "start" "-a" "2d169d26958ecb34f79a3c73eac02ad7a458b383e6b17799d8d2e427d4ddf0f9", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rcmut-998fdd2a3897ebe1)
[INFO] [stderr]    Doc-tests rcmut
[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] [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" "2d169d26958ecb34f79a3c73eac02ad7a458b383e6b17799d8d2e427d4ddf0f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d169d26958ecb34f79a3c73eac02ad7a458b383e6b17799d8d2e427d4ddf0f9", kill_on_drop: false }`
[INFO] [stdout] 2d169d26958ecb34f79a3c73eac02ad7a458b383e6b17799d8d2e427d4ddf0f9