[INFO] fetching crate mutos 0.1.0...
[INFO] testing mutos-0.1.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate mutos 0.1.0 into /workspace/builds/worker-93/source
[INFO] validating manifest of crates.io crate mutos 0.1.0 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 mutos 0.1.0
[INFO] finished tweaking crates.io crate mutos 0.1.0
[INFO] tweaked toml for crates.io crate mutos 0.1.0 written to /workspace/builds/worker-93/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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] 53939eba495e64e6aef3cbd23bb5e3492bf4f873264fe03a4fc1b6ee5c601fe8
[INFO] running `Command { std: "docker" "start" "-a" "53939eba495e64e6aef3cbd23bb5e3492bf4f873264fe03a4fc1b6ee5c601fe8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "53939eba495e64e6aef3cbd23bb5e3492bf4f873264fe03a4fc1b6ee5c601fe8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53939eba495e64e6aef3cbd23bb5e3492bf4f873264fe03a4fc1b6ee5c601fe8", kill_on_drop: false }`
[INFO] [stdout] 53939eba495e64e6aef3cbd23bb5e3492bf4f873264fe03a4fc1b6ee5c601fe8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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] 5737013b48b41de10d51310c7f973b0dbdd67e7a7a560a9247f65bfee8ad7861
[INFO] running `Command { std: "docker" "start" "-a" "5737013b48b41de10d51310c7f973b0dbdd67e7a7a560a9247f65bfee8ad7861", kill_on_drop: false }`
[INFO] [stderr]    Compiling mutos v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "5737013b48b41de10d51310c7f973b0dbdd67e7a7a560a9247f65bfee8ad7861", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5737013b48b41de10d51310c7f973b0dbdd67e7a7a560a9247f65bfee8ad7861", kill_on_drop: false }`
[INFO] [stdout] 5737013b48b41de10d51310c7f973b0dbdd67e7a7a560a9247f65bfee8ad7861
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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] b2a21c1a684956d25e0f65433fe5ab4dfedae9d43226500508e541c2916493c3
[INFO] running `Command { std: "docker" "start" "-a" "b2a21c1a684956d25e0f65433fe5ab4dfedae9d43226500508e541c2916493c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling mutos v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.92s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/mutos-6d482536509227f1)
[INFO] running `Command { std: "docker" "inspect" "b2a21c1a684956d25e0f65433fe5ab4dfedae9d43226500508e541c2916493c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2a21c1a684956d25e0f65433fe5ab4dfedae9d43226500508e541c2916493c3", kill_on_drop: false }`
[INFO] [stdout] b2a21c1a684956d25e0f65433fe5ab4dfedae9d43226500508e541c2916493c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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] 4914046394f49ef0cb8f28b18a729f0a3b99b29970d293d12c50d40f73a6257f
[INFO] running `Command { std: "docker" "start" "-a" "4914046394f49ef0cb8f28b18a729f0a3b99b29970d293d12c50d40f73a6257f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.26s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/mutos-6d482536509227f1)
[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" "4914046394f49ef0cb8f28b18a729f0a3b99b29970d293d12c50d40f73a6257f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4914046394f49ef0cb8f28b18a729f0a3b99b29970d293d12c50d40f73a6257f", kill_on_drop: false }`
[INFO] [stdout] 4914046394f49ef0cb8f28b18a729f0a3b99b29970d293d12c50d40f73a6257f