[INFO] cloning repository https://github.com/debotos/rust-practice
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/debotos/rust-practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdebotos%2Frust-practice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdebotos%2Frust-practice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 448d9cbd564a7c51d56d07f3fa9dc356be114b81
[INFO] checking debotos/rust-practice/448d9cbd564a7c51d56d07f3fa9dc356be114b81 against master#d6c8169c186ab16a3404cd0d0866674018e8a19e for pr-129935
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdebotos%2Frust-practice" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/debotos/rust-practice on toolchain d6c8169c186ab16a3404cd0d0866674018e8a19e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d6c8169c186ab16a3404cd0d0866674018e8a19e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/debotos/rust-practice
[INFO] finished tweaking git repo https://github.com/debotos/rust-practice
[INFO] tweaked toml for git repo https://github.com/debotos/rust-practice written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/debotos/rust-practice already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d6c8169c186ab16a3404cd0d0866674018e8a19e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+d6c8169c186ab16a3404cd0d0866674018e8a19e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1d834170ad47867566cceb8d2e5a3d39a5f70e34affa5c3ff8e3ebaa28d91ae2
[INFO] running `Command { std: "docker" "start" "-a" "1d834170ad47867566cceb8d2e5a3d39a5f70e34affa5c3ff8e3ebaa28d91ae2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d834170ad47867566cceb8d2e5a3d39a5f70e34affa5c3ff8e3ebaa28d91ae2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d834170ad47867566cceb8d2e5a3d39a5f70e34affa5c3ff8e3ebaa28d91ae2", kill_on_drop: false }`
[INFO] [stdout] 1d834170ad47867566cceb8d2e5a3d39a5f70e34affa5c3ff8e3ebaa28d91ae2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+d6c8169c186ab16a3404cd0d0866674018e8a19e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 22af2f429d98a6333fb15b09474ed9331a825d866f710fe956a8cf7f8a50dd79
[INFO] running `Command { std: "docker" "start" "-a" "22af2f429d98a6333fb15b09474ed9331a825d866f710fe956a8cf7f8a50dd79", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]     Checking num-complex v0.4.3
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]     Checking practice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.18s
[INFO] running `Command { std: "docker" "inspect" "22af2f429d98a6333fb15b09474ed9331a825d866f710fe956a8cf7f8a50dd79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22af2f429d98a6333fb15b09474ed9331a825d866f710fe956a8cf7f8a50dd79", kill_on_drop: false }`
[INFO] [stdout] 22af2f429d98a6333fb15b09474ed9331a825d866f710fe956a8cf7f8a50dd79