[INFO] cloning repository https://github.com/tropxy/trait_str_slices
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tropxy/trait_str_slices" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftropxy%2Ftrait_str_slices", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftropxy%2Ftrait_str_slices'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9be20e3751cbb69941fa7b290f374a93c178780c
[INFO] testing tropxy/trait_str_slices against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftropxy%2Ftrait_str_slices" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tropxy/trait_str_slices 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 git repo https://github.com/tropxy/trait_str_slices
[INFO] finished tweaking git repo https://github.com/tropxy/trait_str_slices
[INFO] tweaked toml for git repo https://github.com/tropxy/trait_str_slices written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/tropxy/trait_str_slices already has a lockfile, it will not be regenerated
[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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] bd03f488d9c7a79888ae9eb0f253ce9c508cc6c8dff669f51f9b797030493646
[INFO] running `Command { std: "docker" "start" "-a" "bd03f488d9c7a79888ae9eb0f253ce9c508cc6c8dff669f51f9b797030493646", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd03f488d9c7a79888ae9eb0f253ce9c508cc6c8dff669f51f9b797030493646", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd03f488d9c7a79888ae9eb0f253ce9c508cc6c8dff669f51f9b797030493646", kill_on_drop: false }`
[INFO] [stdout] bd03f488d9c7a79888ae9eb0f253ce9c508cc6c8dff669f51f9b797030493646
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] f20e8ef278f7269eb2829ccf71983a92cee1baccb683ed3137e9f278ca63b07b
[INFO] running `Command { std: "docker" "start" "-a" "f20e8ef278f7269eb2829ccf71983a92cee1baccb683ed3137e9f278ca63b07b", kill_on_drop: false }`
[INFO] [stderr]    Compiling trait_for_str_and_slices v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `Command { std: "docker" "inspect" "f20e8ef278f7269eb2829ccf71983a92cee1baccb683ed3137e9f278ca63b07b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f20e8ef278f7269eb2829ccf71983a92cee1baccb683ed3137e9f278ca63b07b", kill_on_drop: false }`
[INFO] [stdout] f20e8ef278f7269eb2829ccf71983a92cee1baccb683ed3137e9f278ca63b07b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] c77e7fd255a29c1819546330e07d6d9d20d086e4cd9fed4e4a29aca203c15fb8
[INFO] running `Command { std: "docker" "start" "-a" "c77e7fd255a29c1819546330e07d6d9d20d086e4cd9fed4e4a29aca203c15fb8", kill_on_drop: false }`
[INFO] [stderr]    Compiling trait_for_str_and_slices v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "c77e7fd255a29c1819546330e07d6d9d20d086e4cd9fed4e4a29aca203c15fb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c77e7fd255a29c1819546330e07d6d9d20d086e4cd9fed4e4a29aca203c15fb8", kill_on_drop: false }`
[INFO] [stdout] c77e7fd255a29c1819546330e07d6d9d20d086e4cd9fed4e4a29aca203c15fb8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 6f49746e182c2e6a5a869bf06a5840c8a9c98746293b24ac48485bf69353a5a7
[INFO] running `Command { std: "docker" "start" "-a" "6f49746e182c2e6a5a869bf06a5840c8a9c98746293b24ac48485bf69353a5a7", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/trait_for_str_and_slices-f63241b2a0c1c604)
[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" "6f49746e182c2e6a5a869bf06a5840c8a9c98746293b24ac48485bf69353a5a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f49746e182c2e6a5a869bf06a5840c8a9c98746293b24ac48485bf69353a5a7", kill_on_drop: false }`
[INFO] [stdout] 6f49746e182c2e6a5a869bf06a5840c8a9c98746293b24ac48485bf69353a5a7