[INFO] fetching crate swarm 0.1.0...
[INFO] testing swarm-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate swarm 0.1.0 into /workspace/builds/worker-53/source
[INFO] validating manifest of crates.io crate swarm 0.1.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate swarm 0.1.0
[INFO] finished tweaking crates.io crate swarm 0.1.0
[INFO] tweaked toml for crates.io crate swarm 0.1.0 written to /workspace/builds/worker-53/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-2021-09-08" "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-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 86e3c3d363445abc135391af373518cf89bf27a84063362b38260f7b9c1c6f94
[INFO] running `Command { std: "docker" "start" "-a" "86e3c3d363445abc135391af373518cf89bf27a84063362b38260f7b9c1c6f94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86e3c3d363445abc135391af373518cf89bf27a84063362b38260f7b9c1c6f94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86e3c3d363445abc135391af373518cf89bf27a84063362b38260f7b9c1c6f94", kill_on_drop: false }`
[INFO] [stdout] 86e3c3d363445abc135391af373518cf89bf27a84063362b38260f7b9c1c6f94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f3d6bae299738ec4222c3cfe71f051d3a98f99aa870334d4906bc3ccfcfcc17e
[INFO] running `Command { std: "docker" "start" "-a" "f3d6bae299738ec4222c3cfe71f051d3a98f99aa870334d4906bc3ccfcfcc17e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling swarm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "f3d6bae299738ec4222c3cfe71f051d3a98f99aa870334d4906bc3ccfcfcc17e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3d6bae299738ec4222c3cfe71f051d3a98f99aa870334d4906bc3ccfcfcc17e", kill_on_drop: false }`
[INFO] [stdout] f3d6bae299738ec4222c3cfe71f051d3a98f99aa870334d4906bc3ccfcfcc17e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa4ae65a5038395e853d77a0d5bb24ea84de7298808b8189cbf4c5b6727dfe19
[INFO] running `Command { std: "docker" "start" "-a" "fa4ae65a5038395e853d77a0d5bb24ea84de7298808b8189cbf4c5b6727dfe19", kill_on_drop: false }`
[INFO] [stderr]    Compiling swarm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "fa4ae65a5038395e853d77a0d5bb24ea84de7298808b8189cbf4c5b6727dfe19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa4ae65a5038395e853d77a0d5bb24ea84de7298808b8189cbf4c5b6727dfe19", kill_on_drop: false }`
[INFO] [stdout] fa4ae65a5038395e853d77a0d5bb24ea84de7298808b8189cbf4c5b6727dfe19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 57e94e29eadd470e4e84c217d99462d446ca724b8d6f48261042bfc1f2465dc6
[INFO] running `Command { std: "docker" "start" "-a" "57e94e29eadd470e4e84c217d99462d446ca724b8d6f48261042bfc1f2465dc6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.69s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/swarm-9c54595ae1a6e14c)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests swarm
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 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" "57e94e29eadd470e4e84c217d99462d446ca724b8d6f48261042bfc1f2465dc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57e94e29eadd470e4e84c217d99462d446ca724b8d6f48261042bfc1f2465dc6", kill_on_drop: false }`
[INFO] [stdout] 57e94e29eadd470e4e84c217d99462d446ca724b8d6f48261042bfc1f2465dc6