[INFO] crate uu_cat 0.0.1 is already in cache
[INFO] testing uu_cat-0.0.1 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate uu_cat 0.0.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate uu_cat 0.0.1 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate uu_cat 0.0.1
[INFO] finished tweaking crates.io crate uu_cat 0.0.1
[INFO] tweaked toml for crates.io crate uu_cat 0.0.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate uu_cat 0.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] f48bc419bcb9cf26fd65c1a81d7dbf4ae1aebef9b355879941d6c4e5c809dbe8
[INFO] running `Command { std: "docker" "start" "-a" "f48bc419bcb9cf26fd65c1a81d7dbf4ae1aebef9b355879941d6c4e5c809dbe8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f48bc419bcb9cf26fd65c1a81d7dbf4ae1aebef9b355879941d6c4e5c809dbe8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f48bc419bcb9cf26fd65c1a81d7dbf4ae1aebef9b355879941d6c4e5c809dbe8", kill_on_drop: false }`
[INFO] [stdout] f48bc419bcb9cf26fd65c1a81d7dbf4ae1aebef9b355879941d6c4e5c809dbe8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d2cefb91750a4cdc8920b67642ec1bcd5cd0aee50c61fa2a17d0fea7d41150c0
[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" "d2cefb91750a4cdc8920b67642ec1bcd5cd0aee50c61fa2a17d0fea7d41150c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling unix_socket v0.5.0
[INFO] [stderr]    Compiling uu_cat v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.39s
[INFO] running `Command { std: "docker" "inspect" "d2cefb91750a4cdc8920b67642ec1bcd5cd0aee50c61fa2a17d0fea7d41150c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2cefb91750a4cdc8920b67642ec1bcd5cd0aee50c61fa2a17d0fea7d41150c0", kill_on_drop: false }`
[INFO] [stdout] d2cefb91750a4cdc8920b67642ec1bcd5cd0aee50c61fa2a17d0fea7d41150c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 397c8954e9f07f59fb384983f13d7a52f7deb51f1882071ad96df16a7f468e29
[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" "397c8954e9f07f59fb384983f13d7a52f7deb51f1882071ad96df16a7f468e29", kill_on_drop: false }`
[INFO] [stderr]    Compiling uu_cat v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: only functions may be used as tests
[INFO] [stdout]    --> src/cat.rs:466:1
[INFO] [stdout]     |
[INFO] [stdout] 466 | / mod tests {
[INFO] [stdout] 467 | |     use std::io::{stdout, BufWriter};
[INFO] [stdout] 468 | |
[INFO] [stdout] 469 | |     #[test]
[INFO] [stdout] ...   |
[INFO] [stdout] 507 | |     }
[INFO] [stdout] 508 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `uu_cat`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "397c8954e9f07f59fb384983f13d7a52f7deb51f1882071ad96df16a7f468e29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "397c8954e9f07f59fb384983f13d7a52f7deb51f1882071ad96df16a7f468e29", kill_on_drop: false }`
[INFO] [stdout] 397c8954e9f07f59fb384983f13d7a52f7deb51f1882071ad96df16a7f468e29