[INFO] fetching crate cargo-xtask 0.1.0...
[INFO] testing cargo-xtask-0.1.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate cargo-xtask 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate cargo-xtask 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 cargo-xtask 0.1.0
[INFO] finished tweaking crates.io crate cargo-xtask 0.1.0
[INFO] tweaked toml for crates.io crate cargo-xtask 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate cargo-xtask 0.1.0 already has a lockfile, it will not be regenerated
[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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 5dddfe8a8fcec64833533c8ca169de62ae76651b72bd54b64f18974c91dd5b39
[INFO] running `Command { std: "docker" "start" "-a" "5dddfe8a8fcec64833533c8ca169de62ae76651b72bd54b64f18974c91dd5b39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5dddfe8a8fcec64833533c8ca169de62ae76651b72bd54b64f18974c91dd5b39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5dddfe8a8fcec64833533c8ca169de62ae76651b72bd54b64f18974c91dd5b39", kill_on_drop: false }`
[INFO] [stdout] 5dddfe8a8fcec64833533c8ca169de62ae76651b72bd54b64f18974c91dd5b39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] ed41ff541f1e5223cc136a433e96b4cf2d7ff3f55df432294e5629bd026cad72
[INFO] running `Command { std: "docker" "start" "-a" "ed41ff541f1e5223cc136a433e96b4cf2d7ff3f55df432294e5629bd026cad72", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cargo-xtask v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "ed41ff541f1e5223cc136a433e96b4cf2d7ff3f55df432294e5629bd026cad72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed41ff541f1e5223cc136a433e96b4cf2d7ff3f55df432294e5629bd026cad72", kill_on_drop: false }`
[INFO] [stdout] ed41ff541f1e5223cc136a433e96b4cf2d7ff3f55df432294e5629bd026cad72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 7294d0ef8c025ae79f4e180a2274afb305efbb5a06e89379d065da57260e6287
[INFO] running `Command { std: "docker" "start" "-a" "7294d0ef8c025ae79f4e180a2274afb305efbb5a06e89379d065da57260e6287", kill_on_drop: false }`
[INFO] [stderr]    Compiling cargo-xtask v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.24s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/cargo_xtask-675dd124562b888a)
[INFO] running `Command { std: "docker" "inspect" "7294d0ef8c025ae79f4e180a2274afb305efbb5a06e89379d065da57260e6287", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7294d0ef8c025ae79f4e180a2274afb305efbb5a06e89379d065da57260e6287", kill_on_drop: false }`
[INFO] [stdout] 7294d0ef8c025ae79f4e180a2274afb305efbb5a06e89379d065da57260e6287
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 8d42a24881aeb07e782295ff47c3b236b1188e523f2a822db105ce35c43e8c25
[INFO] running `Command { std: "docker" "start" "-a" "8d42a24881aeb07e782295ff47c3b236b1188e523f2a822db105ce35c43e8c25", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/cargo_xtask-675dd124562b888a)
[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" "8d42a24881aeb07e782295ff47c3b236b1188e523f2a822db105ce35c43e8c25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d42a24881aeb07e782295ff47c3b236b1188e523f2a822db105ce35c43e8c25", kill_on_drop: false }`
[INFO] [stdout] 8d42a24881aeb07e782295ff47c3b236b1188e523f2a822db105ce35c43e8c25