[INFO] cloning repository https://github.com/mre/fcat
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mre/fcat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmre%2Ffcat"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmre%2Ffcat'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 27e7e64d5e0f700ec0f1697dfc0a7df4ae4a3069
[INFO] testing mre/fcat against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmre%2Ffcat" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mre/fcat on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/mre/fcat
[INFO] finished tweaking git repo https://github.com/mre/fcat
[INFO] tweaked toml for git repo https://github.com/mre/fcat written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/mre/fcat already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c73012068382111d010553866609578187ddc90a0cb1b5d294aad973a4a649ed
[INFO] running `"docker" "start" "-a" "c73012068382111d010553866609578187ddc90a0cb1b5d294aad973a4a649ed"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling fcat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.30s
[INFO] running `"docker" "inspect" "c73012068382111d010553866609578187ddc90a0cb1b5d294aad973a4a649ed"`
[INFO] running `"docker" "rm" "-f" "c73012068382111d010553866609578187ddc90a0cb1b5d294aad973a4a649ed"`
[INFO] [stdout] c73012068382111d010553866609578187ddc90a0cb1b5d294aad973a4a649ed
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0da0c6bfbe6f20c8fa460d5f063f466e1e6259d4605b95710aab3f32619b5d57
[INFO] running `"docker" "start" "-a" "0da0c6bfbe6f20c8fa460d5f063f466e1e6259d4605b95710aab3f32619b5d57"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling predicates-core v1.0.0
[INFO] [stderr]    Compiling doc-comment v0.3.1
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling bit-vec v0.5.1
[INFO] [stderr]    Compiling treeline v0.1.0
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling predicates-tree v1.0.0
[INFO] [stderr]    Compiling predicates v1.0.1
[INFO] [stderr]    Compiling bit-set v0.5.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling assert_cmd v1.0.1
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling rusty-fork v0.2.2
[INFO] [stderr]    Compiling proptest v0.9.6
[INFO] [stderr]    Compiling fcat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 38.64s
[INFO] running `"docker" "inspect" "0da0c6bfbe6f20c8fa460d5f063f466e1e6259d4605b95710aab3f32619b5d57"`
[INFO] running `"docker" "rm" "-f" "0da0c6bfbe6f20c8fa460d5f063f466e1e6259d4605b95710aab3f32619b5d57"`
[INFO] [stdout] 0da0c6bfbe6f20c8fa460d5f063f466e1e6259d4605b95710aab3f32619b5d57
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6b3ca34dd300bba1dd5ff5b43f0cb8b75222e264295eebc6bc19a8f5e4414580
[INFO] running `"docker" "start" "-a" "6b3ca34dd300bba1dd5ff5b43f0cb8b75222e264295eebc6bc19a8f5e4414580"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fcat-856eae44dd11af85
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test integration::cat_stdin ... ok
[INFO] [stdout] test integration::cat_stdin_dash ... ok
[INFO] [stdout] test integration::cat_single_file ... ok
[INFO] [stdout] test integration::cat_multiple_files ... ok
[INFO] [stdout] test integration::cat_stdin_file ... ok
[INFO] [stdout] test integration::cat_file_stdin ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "6b3ca34dd300bba1dd5ff5b43f0cb8b75222e264295eebc6bc19a8f5e4414580"`
[INFO] running `"docker" "rm" "-f" "6b3ca34dd300bba1dd5ff5b43f0cb8b75222e264295eebc6bc19a8f5e4414580"`
[INFO] [stdout] 6b3ca34dd300bba1dd5ff5b43f0cb8b75222e264295eebc6bc19a8f5e4414580