[INFO] cloning repository https://github.com/twe4ked/rustdoc-cli
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/twe4ked/rustdoc-cli" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftwe4ked%2Frustdoc-cli", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftwe4ked%2Frustdoc-cli'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0145f60ac99d1b79a55ac8519de11196fed6e020
[INFO] testing twe4ked/rustdoc-cli against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftwe4ked%2Frustdoc-cli" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/twe4ked/rustdoc-cli on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/twe4ked/rustdoc-cli
[INFO] finished tweaking git repo https://github.com/twe4ked/rustdoc-cli
[INFO] tweaked toml for git repo https://github.com/twe4ked/rustdoc-cli written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/twe4ked/rustdoc-cli already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded plist v1.0.0
[INFO] [stderr]   Downloaded pulldown-cmark v0.7.1
[INFO] [stderr]   Downloaded onig v6.0.0
[INFO] [stderr]   Downloaded onig_sys v69.5.0
[INFO] [stderr]   Downloaded syntect v4.2.0
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] 3c6d790803c7bb86ef7ebf85376612998af305da269593e9e058d7c836a3fc3b
[INFO] running `Command { std: "docker" "start" "-a" "3c6d790803c7bb86ef7ebf85376612998af305da269593e9e058d7c836a3fc3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c6d790803c7bb86ef7ebf85376612998af305da269593e9e058d7c836a3fc3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c6d790803c7bb86ef7ebf85376612998af305da269593e9e058d7c836a3fc3b", kill_on_drop: false }`
[INFO] [stdout] 3c6d790803c7bb86ef7ebf85376612998af305da269593e9e058d7c836a3fc3b
[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=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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2388e5e62f4b70ab30d57b32a7218ad02ccaf43709b6f9ef5da139ced17a13a4
[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" "2388e5e62f4b70ab30d57b32a7218ad02ccaf43709b6f9ef5da139ced17a13a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling safemem v0.3.3
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling base64 v0.12.1
[INFO] [stderr]    Compiling linked-hash-map v0.5.3
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling pulldown-cmark v0.7.1
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling onig_sys v69.5.0
[INFO] [stderr]    Compiling line-wrap v0.1.1
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling yaml-rust v0.4.3
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling flate2 v1.0.14
[INFO] [stderr]    Compiling onig v6.0.0
[INFO] [stderr]    Compiling bincode v1.2.1
[INFO] [stderr]    Compiling plist v1.0.0
[INFO] [stderr]    Compiling serde_json v1.0.53
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]    Compiling syntect v4.2.0
[INFO] [stderr]    Compiling rustdoc-cli v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `foo`
[INFO] [stdout]    --> src/main.rs:215:8
[INFO] [stdout]     |
[INFO] [stdout] 215 |     fn foo() {}
[INFO] [stdout]     |        ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` 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 1m 15s
[INFO] running `Command { std: "docker" "inspect" "2388e5e62f4b70ab30d57b32a7218ad02ccaf43709b6f9ef5da139ced17a13a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2388e5e62f4b70ab30d57b32a7218ad02ccaf43709b6f9ef5da139ced17a13a4", kill_on_drop: false }`
[INFO] [stdout] 2388e5e62f4b70ab30d57b32a7218ad02ccaf43709b6f9ef5da139ced17a13a4
[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=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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f16ba8781be6564e11c36e2ba0ba07a77e9f740a9a66379b7b37f48d33f8aeb
[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" "2f16ba8781be6564e11c36e2ba0ba07a77e9f740a9a66379b7b37f48d33f8aeb", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustdoc-cli v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `foo`
[INFO] [stdout]    --> src/main.rs:215:8
[INFO] [stdout]     |
[INFO] [stdout] 215 |     fn foo() {}
[INFO] [stdout]     |        ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` 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 1.04s
[INFO] running `Command { std: "docker" "inspect" "2f16ba8781be6564e11c36e2ba0ba07a77e9f740a9a66379b7b37f48d33f8aeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f16ba8781be6564e11c36e2ba0ba07a77e9f740a9a66379b7b37f48d33f8aeb", kill_on_drop: false }`
[INFO] [stdout] 2f16ba8781be6564e11c36e2ba0ba07a77e9f740a9a66379b7b37f48d33f8aeb
[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=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" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2807d2a740c9ea60f8cf08d6444544e62d568b2266a6696cb6e878a9157b40a3
[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" "2807d2a740c9ea60f8cf08d6444544e62d568b2266a6696cb6e878a9157b40a3", kill_on_drop: false }`
[INFO] [stderr] warning: function is never used: `foo`
[INFO] [stderr]    --> src/main.rs:215:8
[INFO] [stderr]     |
[INFO] [stderr] 215 |     fn foo() {}
[INFO] [stderr]     |        ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rustdoc_cli-2ef0dc2aa12ab8c7
[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" "2807d2a740c9ea60f8cf08d6444544e62d568b2266a6696cb6e878a9157b40a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2807d2a740c9ea60f8cf08d6444544e62d568b2266a6696cb6e878a9157b40a3", kill_on_drop: false }`
[INFO] [stdout] 2807d2a740c9ea60f8cf08d6444544e62d568b2266a6696cb6e878a9157b40a3