[INFO] fetching crate test8981 0.1.2...
[INFO] testing test8981-0.1.2 against 1.55.0 for beta-1.56-1
[INFO] extracting crate test8981 0.1.2 into /workspace/builds/worker-106/source
[INFO] validating manifest of crates.io crate test8981 0.1.2 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate test8981 0.1.2
[INFO] finished tweaking crates.io crate test8981 0.1.2
[INFO] tweaked toml for crates.io crate test8981 0.1.2 written to /workspace/builds/worker-106/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 246b65628f08758bafdd7f5a912f226ecf354c5ba3c4cdc4d42da7253b4d3294
[INFO] running `Command { std: "docker" "start" "-a" "246b65628f08758bafdd7f5a912f226ecf354c5ba3c4cdc4d42da7253b4d3294", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "246b65628f08758bafdd7f5a912f226ecf354c5ba3c4cdc4d42da7253b4d3294", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "246b65628f08758bafdd7f5a912f226ecf354c5ba3c4cdc4d42da7253b4d3294", kill_on_drop: false }`
[INFO] [stdout] 246b65628f08758bafdd7f5a912f226ecf354c5ba3c4cdc4d42da7253b4d3294
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ddad08e2acd4a21c6f05b3279fdb19a7b2956aafb62e3125626c84b788068425
[INFO] running `Command { std: "docker" "start" "-a" "ddad08e2acd4a21c6f05b3279fdb19a7b2956aafb62e3125626c84b788068425", kill_on_drop: false }`
[INFO] [stderr]    Compiling test8981 v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "ddad08e2acd4a21c6f05b3279fdb19a7b2956aafb62e3125626c84b788068425", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddad08e2acd4a21c6f05b3279fdb19a7b2956aafb62e3125626c84b788068425", kill_on_drop: false }`
[INFO] [stdout] ddad08e2acd4a21c6f05b3279fdb19a7b2956aafb62e3125626c84b788068425
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a470ce0fa98fff416064fa6797d2cc1cd3fda00f4f5a12e7d8c4323b91231545
[INFO] running `Command { std: "docker" "start" "-a" "a470ce0fa98fff416064fa6797d2cc1cd3fda00f4f5a12e7d8c4323b91231545", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling test8981 v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "a470ce0fa98fff416064fa6797d2cc1cd3fda00f4f5a12e7d8c4323b91231545", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a470ce0fa98fff416064fa6797d2cc1cd3fda00f4f5a12e7d8c4323b91231545", kill_on_drop: false }`
[INFO] [stdout] a470ce0fa98fff416064fa6797d2cc1cd3fda00f4f5a12e7d8c4323b91231545
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c0ad7fc4d08545cfa6bb9d238435bd63371766042254f028634a17ab11a169c4
[INFO] running `Command { std: "docker" "start" "-a" "c0ad7fc4d08545cfa6bb9d238435bd63371766042254f028634a17ab11a169c4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/test8981-ed9d5a2917063c61)
[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 test8981
[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" "c0ad7fc4d08545cfa6bb9d238435bd63371766042254f028634a17ab11a169c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0ad7fc4d08545cfa6bb9d238435bd63371766042254f028634a17ab11a169c4", kill_on_drop: false }`
[INFO] [stdout] c0ad7fc4d08545cfa6bb9d238435bd63371766042254f028634a17ab11a169c4