[INFO] fetching crate deregex 0.1.0...
[INFO] testing deregex-0.1.0 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate deregex 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate deregex 0.1.0 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate deregex 0.1.0
[INFO] finished tweaking crates.io crate deregex 0.1.0
[INFO] tweaked toml for crates.io crate deregex 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate deregex 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", 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] 6729355e5e0f8fa571b69d2074654e79906c0fa3c531e06941f942258d6a5db8
[INFO] running `Command { std: "docker" "start" "-a" "6729355e5e0f8fa571b69d2074654e79906c0fa3c531e06941f942258d6a5db8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6729355e5e0f8fa571b69d2074654e79906c0fa3c531e06941f942258d6a5db8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6729355e5e0f8fa571b69d2074654e79906c0fa3c531e06941f942258d6a5db8", kill_on_drop: false }`
[INFO] [stdout] 6729355e5e0f8fa571b69d2074654e79906c0fa3c531e06941f942258d6a5db8
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c6561de804a96483b274daacf3477f6ba0deefa00104dd1a7a7a3e6d96cc9db
[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" "0c6561de804a96483b274daacf3477f6ba0deefa00104dd1a7a7a3e6d96cc9db", kill_on_drop: false }`
[INFO] [stderr]    Compiling deregex v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "0c6561de804a96483b274daacf3477f6ba0deefa00104dd1a7a7a3e6d96cc9db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c6561de804a96483b274daacf3477f6ba0deefa00104dd1a7a7a3e6d96cc9db", kill_on_drop: false }`
[INFO] [stdout] 0c6561de804a96483b274daacf3477f6ba0deefa00104dd1a7a7a3e6d96cc9db
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 24a0b69c56ef0d64f115ab66b75b82f18d6c6618384460cf44168de411c36825
[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" "24a0b69c56ef0d64f115ab66b75b82f18d6c6618384460cf44168de411c36825", kill_on_drop: false }`
[INFO] [stderr]    Compiling deregex v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `Command { std: "docker" "inspect" "24a0b69c56ef0d64f115ab66b75b82f18d6c6618384460cf44168de411c36825", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24a0b69c56ef0d64f115ab66b75b82f18d6c6618384460cf44168de411c36825", kill_on_drop: false }`
[INFO] [stdout] 24a0b69c56ef0d64f115ab66b75b82f18d6c6618384460cf44168de411c36825
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 623eb539bad048a99b77b512cb2f55472f519c788e690a7bfb2cd9cd380d59f4
[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" "623eb539bad048a99b77b512cb2f55472f519c788e690a7bfb2cd9cd380d59f4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/deregex-a2e78e9d93ae674e)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::teset_string_with_consecutive_question_symbols ... ok
[INFO] [stdout] test tests::test_with_question_marks_and_bars ... ok
[INFO] [stdout] test tests::test_invalid_use_of_question_mark ... ok
[INFO] [stdout] test tests::test_string_with_one_question_symbol ... ok
[INFO] [stdout] test tests::test_string_with_no_regex_symbols ... ok
[INFO] [stdout] test tests::test_string_with_multiple_question_symbols ... ok
[INFO] [stdout] test tests::test_string_with_multiple_bar ... ok
[INFO] [stdout] test tests::test_string_with_one_bar ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "623eb539bad048a99b77b512cb2f55472f519c788e690a7bfb2cd9cd380d59f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "623eb539bad048a99b77b512cb2f55472f519c788e690a7bfb2cd9cd380d59f4", kill_on_drop: false }`
[INFO] [stdout] 623eb539bad048a99b77b512cb2f55472f519c788e690a7bfb2cd9cd380d59f4