[INFO] cloning repository https://github.com/hrishimk/rust_nearest_palindrome
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hrishimk/rust_nearest_palindrome" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhrishimk%2Frust_nearest_palindrome", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhrishimk%2Frust_nearest_palindrome'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8f4875a79c25e166563e7daee3af42ee50e26e9c
[INFO] testing hrishimk/rust_nearest_palindrome against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhrishimk%2Frust_nearest_palindrome" "/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/hrishimk/rust_nearest_palindrome on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hrishimk/rust_nearest_palindrome
[INFO] finished tweaking git repo https://github.com/hrishimk/rust_nearest_palindrome
[INFO] tweaked toml for git repo https://github.com/hrishimk/rust_nearest_palindrome written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/hrishimk/rust_nearest_palindrome already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 84a31e868ab7265ba7ba0243f0caa3b4f60f081ac91102b55005af7c58db5905
[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" "84a31e868ab7265ba7ba0243f0caa3b4f60f081ac91102b55005af7c58db5905", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84a31e868ab7265ba7ba0243f0caa3b4f60f081ac91102b55005af7c58db5905", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84a31e868ab7265ba7ba0243f0caa3b4f60f081ac91102b55005af7c58db5905", kill_on_drop: false }`
[INFO] [stdout] 84a31e868ab7265ba7ba0243f0caa3b4f60f081ac91102b55005af7c58db5905
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", 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] 00730a924e8e0dcbaf9295f0e7c0cbaf1ec5dc824315aeffa99527a310ae9c6e
[INFO] running `Command { std: "docker" "start" "-a" "00730a924e8e0dcbaf9295f0e7c0cbaf1ec5dc824315aeffa99527a310ae9c6e", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling regex-syntax v0.6.11
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling regex v1.2.1
[INFO] [stderr]    Compiling palindrome v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.29s
[INFO] running `Command { std: "docker" "inspect" "00730a924e8e0dcbaf9295f0e7c0cbaf1ec5dc824315aeffa99527a310ae9c6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00730a924e8e0dcbaf9295f0e7c0cbaf1ec5dc824315aeffa99527a310ae9c6e", kill_on_drop: false }`
[INFO] [stdout] 00730a924e8e0dcbaf9295f0e7c0cbaf1ec5dc824315aeffa99527a310ae9c6e
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ff1c47646ddd092c6d9355e823430ce32348cc56f3d1d95e2f86b2e1063558a
[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" "1ff1c47646ddd092c6d9355e823430ce32348cc56f3d1d95e2f86b2e1063558a", kill_on_drop: false }`
[INFO] [stderr]    Compiling palindrome v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "1ff1c47646ddd092c6d9355e823430ce32348cc56f3d1d95e2f86b2e1063558a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ff1c47646ddd092c6d9355e823430ce32348cc56f3d1d95e2f86b2e1063558a", kill_on_drop: false }`
[INFO] [stdout] 1ff1c47646ddd092c6d9355e823430ce32348cc56f3d1d95e2f86b2e1063558a
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "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] ce15a5184038275ab68bb070d0c7451a39db6c7ac3b0fc248bb9fb7c53c83b5a
[INFO] running `Command { std: "docker" "start" "-a" "ce15a5184038275ab68bb070d0c7451a39db6c7ac3b0fc248bb9fb7c53c83b5a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/palindrome-2b6ddcb05c3f1485
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ce15a5184038275ab68bb070d0c7451a39db6c7ac3b0fc248bb9fb7c53c83b5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce15a5184038275ab68bb070d0c7451a39db6c7ac3b0fc248bb9fb7c53c83b5a", kill_on_drop: false }`
[INFO] [stdout] ce15a5184038275ab68bb070d0c7451a39db6c7ac3b0fc248bb9fb7c53c83b5a