[INFO] fetching crate string-box 4.1.0...
[INFO] testing string-box-4.1.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate string-box 4.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate string-box 4.1.0
[INFO] finished tweaking crates.io crate string-box 4.1.0
[INFO] tweaked toml for crates.io crate string-box 4.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate string-box 4.1.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate string-box 4.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5c2e1fcf79928d6c4a6dcdd163e4f589bad61d0a09ca61e0bd0be298e997c5f8
[INFO] running `Command { std: "docker" "start" "-a" "5c2e1fcf79928d6c4a6dcdd163e4f589bad61d0a09ca61e0bd0be298e997c5f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c2e1fcf79928d6c4a6dcdd163e4f589bad61d0a09ca61e0bd0be298e997c5f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c2e1fcf79928d6c4a6dcdd163e4f589bad61d0a09ca61e0bd0be298e997c5f8", kill_on_drop: false }`
[INFO] [stdout] 5c2e1fcf79928d6c4a6dcdd163e4f589bad61d0a09ca61e0bd0be298e997c5f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 50f8ef7b5effffac2ce43abacb594e71c842fafed03b8ce6b11aa5b2d0c887e2
[INFO] running `Command { std: "docker" "start" "-a" "50f8ef7b5effffac2ce43abacb594e71c842fafed03b8ce6b11aa5b2d0c887e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling widestring v1.2.0
[INFO] [stderr]    Compiling string-box v4.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.50s
[INFO] running `Command { std: "docker" "inspect" "50f8ef7b5effffac2ce43abacb594e71c842fafed03b8ce6b11aa5b2d0c887e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50f8ef7b5effffac2ce43abacb594e71c842fafed03b8ce6b11aa5b2d0c887e2", kill_on_drop: false }`
[INFO] [stdout] 50f8ef7b5effffac2ce43abacb594e71c842fafed03b8ce6b11aa5b2d0c887e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ddbaaf4259f285ef5200983c01b7262a5f13bd5055e15c067cbb229c312959c
[INFO] running `Command { std: "docker" "start" "-a" "4ddbaaf4259f285ef5200983c01b7262a5f13bd5055e15c067cbb229c312959c", kill_on_drop: false }`
[INFO] [stderr]    Compiling string-box v4.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "4ddbaaf4259f285ef5200983c01b7262a5f13bd5055e15c067cbb229c312959c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ddbaaf4259f285ef5200983c01b7262a5f13bd5055e15c067cbb229c312959c", kill_on_drop: false }`
[INFO] [stdout] 4ddbaaf4259f285ef5200983c01b7262a5f13bd5055e15c067cbb229c312959c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0bdd22acb12c280a187d2679c7a48eef3082b1849e0fc438fcb83af483aa26ff
[INFO] running `Command { std: "docker" "start" "-a" "0bdd22acb12c280a187d2679c7a48eef3082b1849e0fc438fcb83af483aa26ff", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/string_box-9bb621f9cd01639d)
[INFO] [stdout] running 4 tests
[INFO] [stdout] test string_box::test::test_from_byte_string ... ok
[INFO] [stdout] test string_box::test::sparkle ... ok
[INFO] [stdout] test string_box::test::test_from_utf8_string ... ok
[INFO] [stdout] test string_box::test::test_from_wide_string ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.09s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests string_box
[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" "0bdd22acb12c280a187d2679c7a48eef3082b1849e0fc438fcb83af483aa26ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bdd22acb12c280a187d2679c7a48eef3082b1849e0fc438fcb83af483aa26ff", kill_on_drop: false }`
[INFO] [stdout] 0bdd22acb12c280a187d2679c7a48eef3082b1849e0fc438fcb83af483aa26ff