[INFO] fetching crate substr 1.0.0...
[INFO] testing substr-1.0.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate substr 1.0.0 into /workspace/builds/worker-41/source
[INFO] validating manifest of crates.io crate substr 1.0.0 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 substr 1.0.0
[INFO] finished tweaking crates.io crate substr 1.0.0
[INFO] tweaked toml for crates.io crate substr 1.0.0 written to /workspace/builds/worker-41/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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] 69baf8306c58749fa5bc7d03fb4afc22b9e2a73526a77e6c9eb5d1546961c47d
[INFO] running `Command { std: "docker" "start" "-a" "69baf8306c58749fa5bc7d03fb4afc22b9e2a73526a77e6c9eb5d1546961c47d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "69baf8306c58749fa5bc7d03fb4afc22b9e2a73526a77e6c9eb5d1546961c47d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69baf8306c58749fa5bc7d03fb4afc22b9e2a73526a77e6c9eb5d1546961c47d", kill_on_drop: false }`
[INFO] [stdout] 69baf8306c58749fa5bc7d03fb4afc22b9e2a73526a77e6c9eb5d1546961c47d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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] 6f932a129ef89fb52c7f66ce29a317b5dce043db44c0b4d920709f477823ab58
[INFO] running `Command { std: "docker" "start" "-a" "6f932a129ef89fb52c7f66ce29a317b5dce043db44c0b4d920709f477823ab58", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling substr v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `Command { std: "docker" "inspect" "6f932a129ef89fb52c7f66ce29a317b5dce043db44c0b4d920709f477823ab58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f932a129ef89fb52c7f66ce29a317b5dce043db44c0b4d920709f477823ab58", kill_on_drop: false }`
[INFO] [stdout] 6f932a129ef89fb52c7f66ce29a317b5dce043db44c0b4d920709f477823ab58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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] d249a4d84812a3c231c91e9513e388396cca1970922f083aa0ef8534893bfe4b
[INFO] running `Command { std: "docker" "start" "-a" "d249a4d84812a3c231c91e9513e388396cca1970922f083aa0ef8534893bfe4b", kill_on_drop: false }`
[INFO] [stderr]    Compiling substr v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "d249a4d84812a3c231c91e9513e388396cca1970922f083aa0ef8534893bfe4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d249a4d84812a3c231c91e9513e388396cca1970922f083aa0ef8534893bfe4b", kill_on_drop: false }`
[INFO] [stdout] d249a4d84812a3c231c91e9513e388396cca1970922f083aa0ef8534893bfe4b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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] ace81f41bc40ac80c423b98c4e95f83ec99d7a45a2104a5085427a3c563aed70
[INFO] running `Command { std: "docker" "start" "-a" "ace81f41bc40ac80c423b98c4e95f83ec99d7a45a2104a5085427a3c563aed70", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 10 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/substr-2697a7c60b2d5b4f)
[INFO] [stdout] test tests::empty_equality ... ok
[INFO] [stdout] test tests::equality ... ok
[INFO] [stdout] test tests::from_range ... ok
[INFO] [stdout] test tests::roundtrip_preserves_ptr ... ok
[INFO] [stdout] test tests::roundtrip_with_contained_child ... ok
[INFO] [stdout] test tests::roundtrip_with_different_parent ... ok
[INFO] [stdout] test tests::find_substr ... ok
[INFO] [stdout] test tests::equality_with_different_parents ... ok
[INFO] [stderr]    Doc-tests substr
[INFO] [stdout] test tests::roundtrip_without_contained_child ... ok
[INFO] [stdout] test tests::to_range ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[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" "ace81f41bc40ac80c423b98c4e95f83ec99d7a45a2104a5085427a3c563aed70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ace81f41bc40ac80c423b98c4e95f83ec99d7a45a2104a5085427a3c563aed70", kill_on_drop: false }`
[INFO] [stdout] ace81f41bc40ac80c423b98c4e95f83ec99d7a45a2104a5085427a3c563aed70