[INFO] cloning repository https://github.com/FuGangqiang/RustPractices
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FuGangqiang/RustPractices" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFuGangqiang%2FRustPractices", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFuGangqiang%2FRustPractices'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1070eb7e8aae9e6b1169a56192248a14086a5bdb
[INFO] checking FuGangqiang/RustPractices against try#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFuGangqiang%2FRustPractices" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FuGangqiang/RustPractices on toolchain 07fecb9cf34c4979a772ba38c99d6d9144768413
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/FuGangqiang/RustPractices
[INFO] finished tweaking git repo https://github.com/FuGangqiang/RustPractices
[INFO] tweaked toml for git repo https://github.com/FuGangqiang/RustPractices written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/FuGangqiang/RustPractices already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 372a1ee646b51be1fe1b903c99cd852434748df87e6c0c9ee60e726ab0364222
[INFO] running `Command { std: "docker" "start" "-a" "372a1ee646b51be1fe1b903c99cd852434748df87e6c0c9ee60e726ab0364222", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "372a1ee646b51be1fe1b903c99cd852434748df87e6c0c9ee60e726ab0364222", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "372a1ee646b51be1fe1b903c99cd852434748df87e6c0c9ee60e726ab0364222", kill_on_drop: false }`
[INFO] [stdout] 372a1ee646b51be1fe1b903c99cd852434748df87e6c0c9ee60e726ab0364222
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2491d5163f6ee80c33340a8fa8b07fbe09f713fc1c398a51c2024ddd2192b28b
[INFO] running `Command { std: "docker" "start" "-a" "2491d5163f6ee80c33340a8fa8b07fbe09f713fc1c398a51c2024ddd2192b28b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking practices v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.29s
[INFO] running `Command { std: "docker" "inspect" "2491d5163f6ee80c33340a8fa8b07fbe09f713fc1c398a51c2024ddd2192b28b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2491d5163f6ee80c33340a8fa8b07fbe09f713fc1c398a51c2024ddd2192b28b", kill_on_drop: false }`
[INFO] [stdout] 2491d5163f6ee80c33340a8fa8b07fbe09f713fc1c398a51c2024ddd2192b28b