[INFO] cloning repository https://github.com/DavidBadura/maexchen
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DavidBadura/maexchen" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDavidBadura%2Fmaexchen", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDavidBadura%2Fmaexchen'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6cadd821c0b43bbf8f2d02101fd118dd86c991d1
[INFO] checking DavidBadura/maexchen against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDavidBadura%2Fmaexchen" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DavidBadura/maexchen on toolchain 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/DavidBadura/maexchen
[INFO] finished tweaking git repo https://github.com/DavidBadura/maexchen
[INFO] tweaked toml for git repo https://github.com/DavidBadura/maexchen written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/DavidBadura/maexchen already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "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] 7216ffdf2b9e75fb8ded1415a69dc78c11d68695c2fe713178a7ae364f92d282
[INFO] running `Command { std: "docker" "start" "-a" "7216ffdf2b9e75fb8ded1415a69dc78c11d68695c2fe713178a7ae364f92d282", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7216ffdf2b9e75fb8ded1415a69dc78c11d68695c2fe713178a7ae364f92d282", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7216ffdf2b9e75fb8ded1415a69dc78c11d68695c2fe713178a7ae364f92d282", kill_on_drop: false }`
[INFO] [stdout] 7216ffdf2b9e75fb8ded1415a69dc78c11d68695c2fe713178a7ae364f92d282
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a95766322af5cf1479cd2878ff9095edc209055a0e927b29a5de84028945c80
[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" "1a95766322af5cf1479cd2878ff9095edc209055a0e927b29a5de84028945c80", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.39
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking maexchen-bot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `bigger_random_dice`
[INFO] [stdout]    --> src/main.rs:189:4
[INFO] [stdout]     |
[INFO] [stdout] 189 | fn bigger_random_dice(before: Dice) -> Dice {
[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] [stdout] warning: function is never used: `bigger_random_dice`
[INFO] [stdout]    --> src/main.rs:189:4
[INFO] [stdout]     |
[INFO] [stdout] 189 | fn bigger_random_dice(before: Dice) -> Dice {
[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 2.69s
[INFO] running `Command { std: "docker" "inspect" "1a95766322af5cf1479cd2878ff9095edc209055a0e927b29a5de84028945c80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a95766322af5cf1479cd2878ff9095edc209055a0e927b29a5de84028945c80", kill_on_drop: false }`
[INFO] [stdout] 1a95766322af5cf1479cd2878ff9095edc209055a0e927b29a5de84028945c80