[INFO] fetching crate mutos-utils 0.0.0...
[INFO] testing mutos-utils-0.0.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate mutos-utils 0.0.0 into /workspace/builds/worker-66/source
[INFO] validating manifest of crates.io crate mutos-utils 0.0.0 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-utils 0.0.0
[INFO] finished tweaking crates.io crate mutos-utils 0.0.0
[INFO] tweaked toml for crates.io crate mutos-utils 0.0.0 written to /workspace/builds/worker-66/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-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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] c93212f087e2ec2d245925e7b394b8b483dff90aad52c8a6e132b3a108ab46fd
[INFO] running `Command { std: "docker" "start" "-a" "c93212f087e2ec2d245925e7b394b8b483dff90aad52c8a6e132b3a108ab46fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c93212f087e2ec2d245925e7b394b8b483dff90aad52c8a6e132b3a108ab46fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c93212f087e2ec2d245925e7b394b8b483dff90aad52c8a6e132b3a108ab46fd", kill_on_drop: false }`
[INFO] [stdout] c93212f087e2ec2d245925e7b394b8b483dff90aad52c8a6e132b3a108ab46fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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] 72b14c059935503d36ae51d369daf392fec7d5a05cbd6cf4aeaa92f02870c252
[INFO] running `Command { std: "docker" "start" "-a" "72b14c059935503d36ae51d369daf392fec7d5a05cbd6cf4aeaa92f02870c252", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling mutos-utils v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.55s
[INFO] running `Command { std: "docker" "inspect" "72b14c059935503d36ae51d369daf392fec7d5a05cbd6cf4aeaa92f02870c252", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72b14c059935503d36ae51d369daf392fec7d5a05cbd6cf4aeaa92f02870c252", kill_on_drop: false }`
[INFO] [stdout] 72b14c059935503d36ae51d369daf392fec7d5a05cbd6cf4aeaa92f02870c252
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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] 1f886616065a5d9869baf9a681036d15a56e23c620016eef29bd08124bf74433
[INFO] running `Command { std: "docker" "start" "-a" "1f886616065a5d9869baf9a681036d15a56e23c620016eef29bd08124bf74433", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling mutos-utils v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.98s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/mutos_utils-016f8f27bcbd8cc0)
[INFO] running `Command { std: "docker" "inspect" "1f886616065a5d9869baf9a681036d15a56e23c620016eef29bd08124bf74433", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f886616065a5d9869baf9a681036d15a56e23c620016eef29bd08124bf74433", kill_on_drop: false }`
[INFO] [stdout] 1f886616065a5d9869baf9a681036d15a56e23c620016eef29bd08124bf74433
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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] f38ec1c860b148c8eb3da3e21b3e95b2439d9ba9facb31f069495e670a5db7bd
[INFO] running `Command { std: "docker" "start" "-a" "f38ec1c860b148c8eb3da3e21b3e95b2439d9ba9facb31f069495e670a5db7bd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.59s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/mutos_utils-016f8f27bcbd8cc0)
[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" "f38ec1c860b148c8eb3da3e21b3e95b2439d9ba9facb31f069495e670a5db7bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f38ec1c860b148c8eb3da3e21b3e95b2439d9ba9facb31f069495e670a5db7bd", kill_on_drop: false }`
[INFO] [stdout] f38ec1c860b148c8eb3da3e21b3e95b2439d9ba9facb31f069495e670a5db7bd