[INFO] fetching crate foo 0.0.0...
[INFO] testing foo-0.0.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate foo 0.0.0 into /workspace/builds/worker-16/source
[INFO] validating manifest of crates.io crate foo 0.0.0 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 foo 0.0.0
[INFO] finished tweaking crates.io crate foo 0.0.0
[INFO] tweaked toml for crates.io crate foo 0.0.0 written to /workspace/builds/worker-16/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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] 6bc570e4a2434de17c295a1ee9b9c6041681dc1e9d07315d267e0f6a38825057
[INFO] running `Command { std: "docker" "start" "-a" "6bc570e4a2434de17c295a1ee9b9c6041681dc1e9d07315d267e0f6a38825057", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6bc570e4a2434de17c295a1ee9b9c6041681dc1e9d07315d267e0f6a38825057", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bc570e4a2434de17c295a1ee9b9c6041681dc1e9d07315d267e0f6a38825057", kill_on_drop: false }`
[INFO] [stdout] 6bc570e4a2434de17c295a1ee9b9c6041681dc1e9d07315d267e0f6a38825057
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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] 412a9523d47ed9d0fc3aad0f3cf193d49852f633ae0df80f86bb2abd2bc6a0be
[INFO] running `Command { std: "docker" "start" "-a" "412a9523d47ed9d0fc3aad0f3cf193d49852f633ae0df80f86bb2abd2bc6a0be", kill_on_drop: false }`
[INFO] [stderr]    Compiling foo v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.63s
[INFO] running `Command { std: "docker" "inspect" "412a9523d47ed9d0fc3aad0f3cf193d49852f633ae0df80f86bb2abd2bc6a0be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "412a9523d47ed9d0fc3aad0f3cf193d49852f633ae0df80f86bb2abd2bc6a0be", kill_on_drop: false }`
[INFO] [stdout] 412a9523d47ed9d0fc3aad0f3cf193d49852f633ae0df80f86bb2abd2bc6a0be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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] 7d78b0b9cefe68c3e87bcc85b20e2e327f4c9e336d876ef6bd05bf87e77cf3c6
[INFO] running `Command { std: "docker" "start" "-a" "7d78b0b9cefe68c3e87bcc85b20e2e327f4c9e336d876ef6bd05bf87e77cf3c6", kill_on_drop: false }`
[INFO] [stderr]    Compiling foo v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "7d78b0b9cefe68c3e87bcc85b20e2e327f4c9e336d876ef6bd05bf87e77cf3c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d78b0b9cefe68c3e87bcc85b20e2e327f4c9e336d876ef6bd05bf87e77cf3c6", kill_on_drop: false }`
[INFO] [stdout] 7d78b0b9cefe68c3e87bcc85b20e2e327f4c9e336d876ef6bd05bf87e77cf3c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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] 1fc0d0de63bb2646d9c3ca6fadc9d8d3c9fe9e31bcbbf54e7393294cec39f966
[INFO] running `Command { std: "docker" "start" "-a" "1fc0d0de63bb2646d9c3ca6fadc9d8d3c9fe9e31bcbbf54e7393294cec39f966", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/foo-551553bbad42e399)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[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] [stderr]    Doc-tests foo
[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" "1fc0d0de63bb2646d9c3ca6fadc9d8d3c9fe9e31bcbbf54e7393294cec39f966", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fc0d0de63bb2646d9c3ca6fadc9d8d3c9fe9e31bcbbf54e7393294cec39f966", kill_on_drop: false }`
[INFO] [stdout] 1fc0d0de63bb2646d9c3ca6fadc9d8d3c9fe9e31bcbbf54e7393294cec39f966