[INFO] fetching crate string-wrapper 0.3.0...
[INFO] testing string-wrapper-0.3.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate string-wrapper 0.3.0 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate string-wrapper 0.3.0 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-wrapper 0.3.0
[INFO] finished tweaking crates.io crate string-wrapper 0.3.0
[INFO] tweaked toml for crates.io crate string-wrapper 0.3.0 written to /workspace/builds/worker-15/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-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 137698247d2fdb9de365590060305a30082888cb1e21fd5aebe6dece853de238
[INFO] running `Command { std: "docker" "start" "-a" "137698247d2fdb9de365590060305a30082888cb1e21fd5aebe6dece853de238", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "137698247d2fdb9de365590060305a30082888cb1e21fd5aebe6dece853de238", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "137698247d2fdb9de365590060305a30082888cb1e21fd5aebe6dece853de238", kill_on_drop: false }`
[INFO] [stdout] 137698247d2fdb9de365590060305a30082888cb1e21fd5aebe6dece853de238
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] b94943afe99404cdafbb2ce9cd508560e61453eea80ec46a96a65c23a20c7c81
[INFO] running `Command { std: "docker" "start" "-a" "b94943afe99404cdafbb2ce9cd508560e61453eea80ec46a96a65c23a20c7c81", kill_on_drop: false }`
[INFO] [stderr]    Compiling string-wrapper v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "b94943afe99404cdafbb2ce9cd508560e61453eea80ec46a96a65c23a20c7c81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b94943afe99404cdafbb2ce9cd508560e61453eea80ec46a96a65c23a20c7c81", kill_on_drop: false }`
[INFO] [stdout] b94943afe99404cdafbb2ce9cd508560e61453eea80ec46a96a65c23a20c7c81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] c807d8d96729a45ab579c8c0d1a220e0327e235a58f7fa9388fea91268f1a567
[INFO] running `Command { std: "docker" "start" "-a" "c807d8d96729a45ab579c8c0d1a220e0327e235a58f7fa9388fea91268f1a567", kill_on_drop: false }`
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling string-wrapper v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.74s
[INFO] running `Command { std: "docker" "inspect" "c807d8d96729a45ab579c8c0d1a220e0327e235a58f7fa9388fea91268f1a567", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c807d8d96729a45ab579c8c0d1a220e0327e235a58f7fa9388fea91268f1a567", kill_on_drop: false }`
[INFO] [stdout] c807d8d96729a45ab579c8c0d1a220e0327e235a58f7fa9388fea91268f1a567
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 4eb61958e36f66d211a4c1c1d6c759c1b6682b9056daf2e8dd85dec467a7bbd3
[INFO] running `Command { std: "docker" "start" "-a" "4eb61958e36f66d211a4c1c1d6c759c1b6682b9056daf2e8dd85dec467a7bbd3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/string_wrapper-00744ad7e5f8bb4c)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test tests::clone ... ok
[INFO] [stdout] test tests::eq_only_to_length ... ok
[INFO] [stdout] test tests::eq ... ok
[INFO] [stdout] test tests::from_str ... ok
[INFO] [stdout] test tests::hash_only_to_length ... ok
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] test tests::ord ... ok
[INFO] [stdout] test tests::ord_only_to_length ... ok
[INFO] [stdout] test tests::traits ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests string-wrapper
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test lib.rs - StringWrapper<T>::from_str_safe (line 220) ... ok
[INFO] [stdout] test lib.rs - StringWrapper<T>::from_str_safe (line 213) ... ok
[INFO] [stdout] test lib.rs - StringWrapper<T>::from_str (line 195) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.26s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4eb61958e36f66d211a4c1c1d6c759c1b6682b9056daf2e8dd85dec467a7bbd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4eb61958e36f66d211a4c1c1d6c759c1b6682b9056daf2e8dd85dec467a7bbd3", kill_on_drop: false }`
[INFO] [stdout] 4eb61958e36f66d211a4c1c1d6c759c1b6682b9056daf2e8dd85dec467a7bbd3