[INFO] fetching crate string_len 0.1.2...
[INFO] testing string_len-0.1.2 against 1.55.0 for beta-1.56-1
[INFO] extracting crate string_len 0.1.2 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate string_len 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 string_len 0.1.2
[INFO] finished tweaking crates.io crate string_len 0.1.2
[INFO] tweaked toml for crates.io crate string_len 0.1.2 written to /workspace/builds/worker-5/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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 4530b9e4d73a83ed03c3723e04a142c506cb64133214c792b8102e8249346ebe
[INFO] running `Command { std: "docker" "start" "-a" "4530b9e4d73a83ed03c3723e04a142c506cb64133214c792b8102e8249346ebe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4530b9e4d73a83ed03c3723e04a142c506cb64133214c792b8102e8249346ebe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4530b9e4d73a83ed03c3723e04a142c506cb64133214c792b8102e8249346ebe", kill_on_drop: false }`
[INFO] [stdout] 4530b9e4d73a83ed03c3723e04a142c506cb64133214c792b8102e8249346ebe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 8ba85fbd2cca2ccdbe643a7a0841370b44666e1e6bbfaf640ee640df2670ea34
[INFO] running `Command { std: "docker" "start" "-a" "8ba85fbd2cca2ccdbe643a7a0841370b44666e1e6bbfaf640ee640df2670ea34", kill_on_drop: false }`
[INFO] [stderr]    Compiling string_len v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "8ba85fbd2cca2ccdbe643a7a0841370b44666e1e6bbfaf640ee640df2670ea34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ba85fbd2cca2ccdbe643a7a0841370b44666e1e6bbfaf640ee640df2670ea34", kill_on_drop: false }`
[INFO] [stdout] 8ba85fbd2cca2ccdbe643a7a0841370b44666e1e6bbfaf640ee640df2670ea34
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] a0b7bbbb9b25cbc4d14efc81dec335ffd91fc52b0639fbf130f562196df01ac0
[INFO] running `Command { std: "docker" "start" "-a" "a0b7bbbb9b25cbc4d14efc81dec335ffd91fc52b0639fbf130f562196df01ac0", kill_on_drop: false }`
[INFO] [stderr]    Compiling string_len v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "a0b7bbbb9b25cbc4d14efc81dec335ffd91fc52b0639fbf130f562196df01ac0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0b7bbbb9b25cbc4d14efc81dec335ffd91fc52b0639fbf130f562196df01ac0", kill_on_drop: false }`
[INFO] [stdout] a0b7bbbb9b25cbc4d14efc81dec335ffd91fc52b0639fbf130f562196df01ac0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 813857c2101352934c0ce40901015cdb08695942ff507149be6e2d6bb0c76ec0
[INFO] running `Command { std: "docker" "start" "-a" "813857c2101352934c0ce40901015cdb08695942ff507149be6e2d6bb0c76ec0", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/string_len-1fde3025bb6a8796)
[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] [stderr]    Doc-tests string_len
[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" "813857c2101352934c0ce40901015cdb08695942ff507149be6e2d6bb0c76ec0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "813857c2101352934c0ce40901015cdb08695942ff507149be6e2d6bb0c76ec0", kill_on_drop: false }`
[INFO] [stdout] 813857c2101352934c0ce40901015cdb08695942ff507149be6e2d6bb0c76ec0