[INFO] cloning repository https://github.com/ezlaif/christmas_song_carol_something
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ezlaif/christmas_song_carol_something" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fezlaif%2Fchristmas_song_carol_something", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fezlaif%2Fchristmas_song_carol_something'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cb3f95f6e513486148989e87fc29d979c858e1c5
[INFO] testing ezlaif/christmas_song_carol_something against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fezlaif%2Fchristmas_song_carol_something" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ezlaif/christmas_song_carol_something 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/ezlaif/christmas_song_carol_something
[INFO] finished tweaking git repo https://github.com/ezlaif/christmas_song_carol_something
[INFO] tweaked toml for git repo https://github.com/ezlaif/christmas_song_carol_something written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/ezlaif/christmas_song_carol_something 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 69638a8a86053c2b753a9a8a7edf6ca974756a16670a6d4fa7ba2053ed0cb37e
[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" "69638a8a86053c2b753a9a8a7edf6ca974756a16670a6d4fa7ba2053ed0cb37e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "69638a8a86053c2b753a9a8a7edf6ca974756a16670a6d4fa7ba2053ed0cb37e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69638a8a86053c2b753a9a8a7edf6ca974756a16670a6d4fa7ba2053ed0cb37e", kill_on_drop: false }`
[INFO] [stdout] 69638a8a86053c2b753a9a8a7edf6ca974756a16670a6d4fa7ba2053ed0cb37e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] f7f623ea19c211fcb2c492216caf77a6b811a267934d20ae7a54137d43f1fa68
[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" "f7f623ea19c211fcb2c492216caf77a6b811a267934d20ae7a54137d43f1fa68", kill_on_drop: false }`
[INFO] [stderr]    Compiling christmas_song_carol_something v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "f7f623ea19c211fcb2c492216caf77a6b811a267934d20ae7a54137d43f1fa68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7f623ea19c211fcb2c492216caf77a6b811a267934d20ae7a54137d43f1fa68", kill_on_drop: false }`
[INFO] [stdout] f7f623ea19c211fcb2c492216caf77a6b811a267934d20ae7a54137d43f1fa68
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8631597a0affcb94c1e766030517ae91dc764bd547fd52920761cd961ca139a7
[INFO] running `Command { std: "docker" "start" "-a" "8631597a0affcb94c1e766030517ae91dc764bd547fd52920761cd961ca139a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling christmas_song_carol_something v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "8631597a0affcb94c1e766030517ae91dc764bd547fd52920761cd961ca139a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8631597a0affcb94c1e766030517ae91dc764bd547fd52920761cd961ca139a7", kill_on_drop: false }`
[INFO] [stdout] 8631597a0affcb94c1e766030517ae91dc764bd547fd52920761cd961ca139a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] af6b17123bad2cc8983b9089e17244fb373e638401f5d0c570345cd225901f4b
[INFO] running `Command { std: "docker" "start" "-a" "af6b17123bad2cc8983b9089e17244fb373e638401f5d0c570345cd225901f4b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/christmas_song_carol_something-19f661ff4d09ef59
[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 `Command { std: "docker" "inspect" "af6b17123bad2cc8983b9089e17244fb373e638401f5d0c570345cd225901f4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af6b17123bad2cc8983b9089e17244fb373e638401f5d0c570345cd225901f4b", kill_on_drop: false }`
[INFO] [stdout] af6b17123bad2cc8983b9089e17244fb373e638401f5d0c570345cd225901f4b