[INFO] cloning repository https://github.com/jens1o/rust-recurring-char
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jens1o/rust-recurring-char" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjens1o%2Frust-recurring-char", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjens1o%2Frust-recurring-char'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1fc55cd6824f843e9f22cc75fd034a42c7c17631
[INFO] testing jens1o/rust-recurring-char against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjens1o%2Frust-recurring-char" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jens1o/rust-recurring-char on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jens1o/rust-recurring-char
[INFO] finished tweaking git repo https://github.com/jens1o/rust-recurring-char
[INFO] tweaked toml for git repo https://github.com/jens1o/rust-recurring-char written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/jens1o/rust-recurring-char already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 783635b4ad7f82f6b78049db74dfe2d9b68d25f04d2dc1afd03765a77b59d90b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "783635b4ad7f82f6b78049db74dfe2d9b68d25f04d2dc1afd03765a77b59d90b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "783635b4ad7f82f6b78049db74dfe2d9b68d25f04d2dc1afd03765a77b59d90b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "783635b4ad7f82f6b78049db74dfe2d9b68d25f04d2dc1afd03765a77b59d90b", kill_on_drop: false }`
[INFO] [stdout] 783635b4ad7f82f6b78049db74dfe2d9b68d25f04d2dc1afd03765a77b59d90b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] db4ed153f80731363c98dcd907d33fd2f38cd7ed4e2f4390957fa50dc043f477
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "db4ed153f80731363c98dcd907d33fd2f38cd7ed4e2f4390957fa50dc043f477", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-first-recurring-character v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "db4ed153f80731363c98dcd907d33fd2f38cd7ed4e2f4390957fa50dc043f477", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db4ed153f80731363c98dcd907d33fd2f38cd7ed4e2f4390957fa50dc043f477", kill_on_drop: false }`
[INFO] [stdout] db4ed153f80731363c98dcd907d33fd2f38cd7ed4e2f4390957fa50dc043f477
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c3d5d1d54a478ee769f12cbfa4b452e0138aed5b9814992b9953b6f17d6678d5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c3d5d1d54a478ee769f12cbfa4b452e0138aed5b9814992b9953b6f17d6678d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-first-recurring-character v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "c3d5d1d54a478ee769f12cbfa4b452e0138aed5b9814992b9953b6f17d6678d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3d5d1d54a478ee769f12cbfa4b452e0138aed5b9814992b9953b6f17d6678d5", kill_on_drop: false }`
[INFO] [stdout] c3d5d1d54a478ee769f12cbfa4b452e0138aed5b9814992b9953b6f17d6678d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 457b00c3a91bd514ead96fd6cb6b89d0cb909243bfb2ea7bd78bc54ecc08bff6
[INFO] running `Command { std: "docker" "start" "-a" "457b00c3a91bd514ead96fd6cb6b89d0cb909243bfb2ea7bd78bc54ecc08bff6", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_first_recurring_character-63d1c1282794c089)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::simple_recurring ... ok
[INFO] [stdout] test tests::case_sensitive ... ok
[INFO] [stdout] test tests::test_none ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "457b00c3a91bd514ead96fd6cb6b89d0cb909243bfb2ea7bd78bc54ecc08bff6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "457b00c3a91bd514ead96fd6cb6b89d0cb909243bfb2ea7bd78bc54ecc08bff6", kill_on_drop: false }`
[INFO] [stdout] 457b00c3a91bd514ead96fd6cb6b89d0cb909243bfb2ea7bd78bc54ecc08bff6