[INFO] cloning repository https://github.com/xevix/learnfrunk
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xevix/learnfrunk" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxevix%2Flearnfrunk", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxevix%2Flearnfrunk'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e4ebd8d7e5eb0ab4802e2f78ded5c02b9fb15f18
[INFO] checking xevix/learnfrunk against try#9cfe725f0995b018340c519db1b2f3cf8a7e0631 for pr-81174
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxevix%2Flearnfrunk" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xevix/learnfrunk on toolchain 9cfe725f0995b018340c519db1b2f3cf8a7e0631
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/xevix/learnfrunk
[INFO] finished tweaking git repo https://github.com/xevix/learnfrunk
[INFO] tweaked toml for git repo https://github.com/xevix/learnfrunk written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/xevix/learnfrunk already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded frunk_derives v0.0.20
[INFO] [stderr]   Downloaded frunk_core v0.0.19
[INFO] [stderr]   Downloaded frunk v0.1.32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "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] 6cc8068a4f4bcc56df012c83b80bf1707e2f1b672ae253ba61883e29b8fff864
[INFO] running `Command { std: "docker" "start" "-a" "6cc8068a4f4bcc56df012c83b80bf1707e2f1b672ae253ba61883e29b8fff864", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6cc8068a4f4bcc56df012c83b80bf1707e2f1b672ae253ba61883e29b8fff864", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cc8068a4f4bcc56df012c83b80bf1707e2f1b672ae253ba61883e29b8fff864", kill_on_drop: false }`
[INFO] [stdout] 6cc8068a4f4bcc56df012c83b80bf1707e2f1b672ae253ba61883e29b8fff864
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bfb04edad5fffe07b0e357f07fe336ab03c808aef1aa0ec32a1a87e95dbbb41a
[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" "bfb04edad5fffe07b0e357f07fe336ab03c808aef1aa0ec32a1a87e95dbbb41a", kill_on_drop: false }`
[INFO] [stderr]    Compiling frunk_core v0.0.19
[INFO] [stderr]    Compiling frunk_derives v0.0.20
[INFO] [stderr]     Checking frunk v0.1.32
[INFO] [stderr]     Checking learnrust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.15s
[INFO] running `Command { std: "docker" "inspect" "bfb04edad5fffe07b0e357f07fe336ab03c808aef1aa0ec32a1a87e95dbbb41a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfb04edad5fffe07b0e357f07fe336ab03c808aef1aa0ec32a1a87e95dbbb41a", kill_on_drop: false }`
[INFO] [stdout] bfb04edad5fffe07b0e357f07fe336ab03c808aef1aa0ec32a1a87e95dbbb41a