[INFO] cloning repository https://github.com/garypen/rtee
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/garypen/rtee" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgarypen%2Frtee", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgarypen%2Frtee'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 420b6326f0386f4d4965c6b390cbb253251c6de3
[INFO] testing garypen/rtee against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgarypen%2Frtee" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/garypen/rtee on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/garypen/rtee
[INFO] finished tweaking git repo https://github.com/garypen/rtee
[INFO] tweaked toml for git repo https://github.com/garypen/rtee written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/garypen/rtee already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] 98521e894fa11d0acf102a028aa164f9a49d26ccc1934d2a53e6fecc6b97438d
[INFO] running `Command { std: "docker" "start" "-a" "98521e894fa11d0acf102a028aa164f9a49d26ccc1934d2a53e6fecc6b97438d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "98521e894fa11d0acf102a028aa164f9a49d26ccc1934d2a53e6fecc6b97438d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98521e894fa11d0acf102a028aa164f9a49d26ccc1934d2a53e6fecc6b97438d", kill_on_drop: false }`
[INFO] [stdout] 98521e894fa11d0acf102a028aa164f9a49d26ccc1934d2a53e6fecc6b97438d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 258fe0b7ce9f42a5882e0b99f0abd652ea8f2447f3f5c50012c855d9126848c5
[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" "258fe0b7ce9f42a5882e0b99f0abd652ea8f2447f3f5c50012c855d9126848c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling textwrap v0.10.0
[INFO] [stderr]    Compiling atty v0.2.8
[INFO] [stderr]    Compiling nix v0.13.0
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling rtee v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/main.rs:77:60
[INFO] [stdout]    |
[INFO] [stdout] 77 |                     .expect("Failed to flush output line");;
[INFO] [stdout]    |                                                            ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.15s
[INFO] running `Command { std: "docker" "inspect" "258fe0b7ce9f42a5882e0b99f0abd652ea8f2447f3f5c50012c855d9126848c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "258fe0b7ce9f42a5882e0b99f0abd652ea8f2447f3f5c50012c855d9126848c5", kill_on_drop: false }`
[INFO] [stdout] 258fe0b7ce9f42a5882e0b99f0abd652ea8f2447f3f5c50012c855d9126848c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--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] 3ccfbe16a1a0baa7a570bc6a1c3cfeb406f489e1afd51bf5810933821887e081
[INFO] running `Command { std: "docker" "start" "-a" "3ccfbe16a1a0baa7a570bc6a1c3cfeb406f489e1afd51bf5810933821887e081", kill_on_drop: false }`
[INFO] [stderr]    Compiling rtee v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/main.rs:77:60
[INFO] [stdout]    |
[INFO] [stdout] 77 |                     .expect("Failed to flush output line");;
[INFO] [stdout]    |                                                            ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "3ccfbe16a1a0baa7a570bc6a1c3cfeb406f489e1afd51bf5810933821887e081", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ccfbe16a1a0baa7a570bc6a1c3cfeb406f489e1afd51bf5810933821887e081", kill_on_drop: false }`
[INFO] [stdout] 3ccfbe16a1a0baa7a570bc6a1c3cfeb406f489e1afd51bf5810933821887e081
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] 2f05d1e3d4228ce4506b9526d515d313a35d4ca328adbeca0c4ec7a0ba171f81
[INFO] running `Command { std: "docker" "start" "-a" "2f05d1e3d4228ce4506b9526d515d313a35d4ca328adbeca0c4ec7a0ba171f81", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/main.rs:77:60
[INFO] [stderr]    |
[INFO] [stderr] 77 |                     .expect("Failed to flush output line");;
[INFO] [stderr]    |                                                            ^ help: remove this semicolon
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rtee` (bin "rtee" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rtee-4bc5c45466049c90)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2f05d1e3d4228ce4506b9526d515d313a35d4ca328adbeca0c4ec7a0ba171f81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f05d1e3d4228ce4506b9526d515d313a35d4ca328adbeca0c4ec7a0ba171f81", kill_on_drop: false }`
[INFO] [stdout] 2f05d1e3d4228ce4506b9526d515d313a35d4ca328adbeca0c4ec7a0ba171f81