[INFO] cloning repository https://github.com/twe4ked/rustdoc-cli
[INFO] running `"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"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftwe4ked%2Frustdoc-cli'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0145f60ac99d1b79a55ac8519de11196fed6e020
[INFO] testing twe4ked/rustdoc-cli against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftwe4ked%2Frustdoc-cli" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/twe4ked/rustdoc-cli on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-2/source/Cargo.toml
[INFO] crate git repo https://github.com/twe4ked/rustdoc-cli already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"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" "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" "+beta-2020-06-03" "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] 587cc9ee220b68b5a29b19606acd3b6f5498883c4ead2f2143d00d55d1d24bff
[INFO] running `"docker" "start" "-a" "587cc9ee220b68b5a29b19606acd3b6f5498883c4ead2f2143d00d55d1d24bff"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling pulldown-cmark v0.7.1
[INFO] [stderr]    Compiling line-wrap v0.1.1
[INFO] [stderr]    Compiling onig_sys v69.5.0
[INFO] [stderr]    Compiling yaml-rust v0.4.3
[INFO] [stderr]    Compiling bincode v1.2.1
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling plist v1.0.0
[INFO] [stderr]    Compiling onig v6.0.0
[INFO] [stderr]    Compiling syntect v4.2.0
[INFO] [stderr]    Compiling rustdoc-cli v0.1.0 (/opt/rustwide/workdir)
[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 dev [unoptimized + debuginfo] target(s) in 33.95s
[INFO] running `"docker" "inspect" "587cc9ee220b68b5a29b19606acd3b6f5498883c4ead2f2143d00d55d1d24bff"`
[INFO] running `"docker" "rm" "-f" "587cc9ee220b68b5a29b19606acd3b6f5498883c4ead2f2143d00d55d1d24bff"`
[INFO] [stdout] 587cc9ee220b68b5a29b19606acd3b6f5498883c4ead2f2143d00d55d1d24bff
[INFO] running `"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" "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" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stdout] 72368dbe67f02ea6325c0661c3b87510285beee7faae35a0ca1cc7838c7e6000
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "72368dbe67f02ea6325c0661c3b87510285beee7faae35a0ca1cc7838c7e6000"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling rustdoc-cli v0.1.0 (/opt/rustwide/workdir)
[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 1.31s
[INFO] running `"docker" "inspect" "72368dbe67f02ea6325c0661c3b87510285beee7faae35a0ca1cc7838c7e6000"`
[INFO] running `"docker" "rm" "-f" "72368dbe67f02ea6325c0661c3b87510285beee7faae35a0ca1cc7838c7e6000"`
[INFO] [stdout] 72368dbe67f02ea6325c0661c3b87510285beee7faae35a0ca1cc7838c7e6000
[INFO] running `"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" "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" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stdout] e518065b759c6f618e3adca6be5bbb67d0bbc53fe14ec3527f84776f9c3be07e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "e518065b759c6f618e3adca6be5bbb67d0bbc53fe14ec3527f84776f9c3be07e"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[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 0.11s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rustdoc_cli-c88769a3b96e607b
[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 `"docker" "inspect" "e518065b759c6f618e3adca6be5bbb67d0bbc53fe14ec3527f84776f9c3be07e"`
[INFO] running `"docker" "rm" "-f" "e518065b759c6f618e3adca6be5bbb67d0bbc53fe14ec3527f84776f9c3be07e"`
[INFO] [stdout] e518065b759c6f618e3adca6be5bbb67d0bbc53fe14ec3527f84776f9c3be07e