[INFO] cloning repository https://github.com/dop3ch3f/rust-tutorial
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dop3ch3f/rust-tutorial" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdop3ch3f%2Frust-tutorial", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdop3ch3f%2Frust-tutorial'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ede6ffdc6f291683f25fa0971ba3101b313cba9b
[INFO] checking dop3ch3f/rust-tutorial against master#339e19697a39a78f4d669c217b7d21109215de41 for pr-81213
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdop3ch3f%2Frust-tutorial" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dop3ch3f/rust-tutorial on toolchain 339e19697a39a78f4d669c217b7d21109215de41
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dop3ch3f/rust-tutorial
[INFO] finished tweaking git repo https://github.com/dop3ch3f/rust-tutorial
[INFO] tweaked toml for git repo https://github.com/dop3ch3f/rust-tutorial written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/dop3ch3f/rust-tutorial already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 797e594a128c0f3c220c24366e0be7b6c6de3e52594be17b7f008e9ae681b82b
[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" "797e594a128c0f3c220c24366e0be7b6c6de3e52594be17b7f008e9ae681b82b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "797e594a128c0f3c220c24366e0be7b6c6de3e52594be17b7f008e9ae681b82b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "797e594a128c0f3c220c24366e0be7b6c6de3e52594be17b7f008e9ae681b82b", kill_on_drop: false }`
[INFO] [stdout] 797e594a128c0f3c220c24366e0be7b6c6de3e52594be17b7f008e9ae681b82b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=forbid" "-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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b52460f0d14dd1e6dda5b7b904300b402c487a3b2ec5eba48b97122b7dd3703a
[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" "b52460f0d14dd1e6dda5b7b904300b402c487a3b2ec5eba48b97122b7dd3703a", kill_on_drop: false }`
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking mytestrust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `mytestrust`
[INFO] [stdout] error[E0601]: `main` function not found in crate `mytestrust`
[INFO] [stdout]   --> src/main.rs:12:49
[INFO] [stdout]    |
[INFO] [stdout] 12 | // Lifetime elision in previous modules examples
[INFO] [stdout]    |                                                 ^ consider adding a `main` function to `src/main.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stdout] For more information about this error, try `rustc --explain E0601`.
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "b52460f0d14dd1e6dda5b7b904300b402c487a3b2ec5eba48b97122b7dd3703a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b52460f0d14dd1e6dda5b7b904300b402c487a3b2ec5eba48b97122b7dd3703a", kill_on_drop: false }`
[INFO] [stdout] b52460f0d14dd1e6dda5b7b904300b402c487a3b2ec5eba48b97122b7dd3703a