[INFO] cloning repository https://github.com/lanshi47/RustLearn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lanshi47/RustLearn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flanshi47%2FRustLearn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flanshi47%2FRustLearn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b9b64b5089390e078a33462456493007be9cf027
[INFO] checking lanshi47/RustLearn against master#75530e9f72a1990ed2305e16fd51d02f47048f12 for pr-135899
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flanshi47%2FRustLearn" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lanshi47/RustLearn on toolchain 75530e9f72a1990ed2305e16fd51d02f47048f12
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+75530e9f72a1990ed2305e16fd51d02f47048f12" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lanshi47/RustLearn
[INFO] finished tweaking git repo https://github.com/lanshi47/RustLearn
[INFO] tweaked toml for git repo https://github.com/lanshi47/RustLearn written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/lanshi47/RustLearn 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" "+75530e9f72a1990ed2305e16fd51d02f47048f12" "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-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:6475c868a6d27846ca172efb246699580b64b57a5b3744ef73949e850a31b38a" "/opt/rustwide/cargo-home/bin/cargo" "+75530e9f72a1990ed2305e16fd51d02f47048f12" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1b418f366605e4e1c4a17121e88b0c2e6adbd77d829eed62a2dc2ec9d3ac6672
[INFO] running `Command { std: "docker" "start" "-a" "1b418f366605e4e1c4a17121e88b0c2e6adbd77d829eed62a2dc2ec9d3ac6672", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b418f366605e4e1c4a17121e88b0c2e6adbd77d829eed62a2dc2ec9d3ac6672", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b418f366605e4e1c4a17121e88b0c2e6adbd77d829eed62a2dc2ec9d3ac6672", kill_on_drop: false }`
[INFO] [stdout] 1b418f366605e4e1c4a17121e88b0c2e6adbd77d829eed62a2dc2ec9d3ac6672
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:6475c868a6d27846ca172efb246699580b64b57a5b3744ef73949e850a31b38a" "/opt/rustwide/cargo-home/bin/cargo" "+75530e9f72a1990ed2305e16fd51d02f47048f12" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f77ad99c6c9eb0ac8e0bcdbca1265c60ffa7c943c428907cf4b27cccfe992c4
[INFO] running `Command { std: "docker" "start" "-a" "1f77ad99c6c9eb0ac8e0bcdbca1265c60ffa7c943c428907cf4b27cccfe992c4", kill_on_drop: false }`
[INFO] [stderr]     Checking my_project v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "1f77ad99c6c9eb0ac8e0bcdbca1265c60ffa7c943c428907cf4b27cccfe992c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f77ad99c6c9eb0ac8e0bcdbca1265c60ffa7c943c428907cf4b27cccfe992c4", kill_on_drop: false }`
[INFO] [stdout] 1f77ad99c6c9eb0ac8e0bcdbca1265c60ffa7c943c428907cf4b27cccfe992c4