[INFO] cloning repository https://github.com/mre/fcat
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmre%2Ffcat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 551335b637abaebfbe6653202fdb8d80c09cd21f
[INFO] testing mre/fcat against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmre%2Ffcat" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mre/fcat on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-12/source/Cargo.toml
[INFO] crate git repo https://github.com/mre/fcat already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ab15ce55e4ed248824a5ffe2484f0cba1b1a2fdc9e15a444db88d50f0f291430
[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" "ab15ce55e4ed248824a5ffe2484f0cba1b1a2fdc9e15a444db88d50f0f291430", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab15ce55e4ed248824a5ffe2484f0cba1b1a2fdc9e15a444db88d50f0f291430", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab15ce55e4ed248824a5ffe2484f0cba1b1a2fdc9e15a444db88d50f0f291430", kill_on_drop: false }`
[INFO] [stdout] ab15ce55e4ed248824a5ffe2484f0cba1b1a2fdc9e15a444db88d50f0f291430
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a3431cc817b5e4104313e09080e7461d21400b330dd0c9334eabf3381a2682de
[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" "a3431cc817b5e4104313e09080e7461d21400b330dd0c9334eabf3381a2682de", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling nix v0.19.1
[INFO] [stderr]    Compiling fcat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.12s
[INFO] running `Command { std: "docker" "inspect" "a3431cc817b5e4104313e09080e7461d21400b330dd0c9334eabf3381a2682de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3431cc817b5e4104313e09080e7461d21400b330dd0c9334eabf3381a2682de", kill_on_drop: false }`
[INFO] [stdout] a3431cc817b5e4104313e09080e7461d21400b330dd0c9334eabf3381a2682de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2bffeb7b17fa3a0fe616aae58a710063fcb8c78b6703867bd0c9292ccbf77599
[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" "2bffeb7b17fa3a0fe616aae58a710063fcb8c78b6703867bd0c9292ccbf77599", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling doc-comment v0.3.1
[INFO] [stderr]    Compiling bit-vec v0.5.1
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling predicates v1.0.1
[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 rand_core v0.5.1
[INFO] [stderr]    Compiling bit-set v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling assert_cmd v1.0.2
[INFO] [stderr]    Compiling rand v0.7.2
[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 41.88s
[INFO] running `Command { std: "docker" "inspect" "2bffeb7b17fa3a0fe616aae58a710063fcb8c78b6703867bd0c9292ccbf77599", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bffeb7b17fa3a0fe616aae58a710063fcb8c78b6703867bd0c9292ccbf77599", kill_on_drop: false }`
[INFO] [stdout] 2bffeb7b17fa3a0fe616aae58a710063fcb8c78b6703867bd0c9292ccbf77599
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5d9c25386c57957e4378b5c840f4bab1b9dc1b409a014d55a0976ccf0eaaad22
[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" "5d9c25386c57957e4378b5c840f4bab1b9dc1b409a014d55a0976ccf0eaaad22", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fcat-3736a435a08c76c2
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test integration::cat_stdin_dash ... ok
[INFO] [stdout] test integration::cat_stdin ... ok
[INFO] [stdout] test integration::cat_single_file ... ok
[INFO] [stdout] test integration::cat_file_stdin ... ok
[INFO] [stdout] test integration::cat_stdin_file ... ok
[INFO] [stdout] test integration::cat_multiple_files ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5d9c25386c57957e4378b5c840f4bab1b9dc1b409a014d55a0976ccf0eaaad22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d9c25386c57957e4378b5c840f4bab1b9dc1b409a014d55a0976ccf0eaaad22", kill_on_drop: false }`
[INFO] [stdout] 5d9c25386c57957e4378b5c840f4bab1b9dc1b409a014d55a0976ccf0eaaad22