[INFO] cloning repository https://github.com/rairai77/list-comprehension
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rairai77/list-comprehension" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frairai77%2Flist-comprehension", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frairai77%2Flist-comprehension'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cb1777d9c5e4660dcd299f21bcb1a0cf43da4213
[INFO] checking rairai77/list-comprehension/cb1777d9c5e4660dcd299f21bcb1a0cf43da4213 against master#eeb94be79adc9df7a09ad0b2421f16e60e6d932c for pr-152971
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frairai77%2Flist-comprehension" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/rairai77/list-comprehension
[INFO] finished tweaking git repo https://github.com/rairai77/list-comprehension
[INFO] tweaked toml for git repo https://github.com/rairai77/list-comprehension written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rairai77/list-comprehension on toolchain eeb94be79adc9df7a09ad0b2421f16e60e6d932c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eeb94be79adc9df7a09ad0b2421f16e60e6d932c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rairai77/list-comprehension 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" "+eeb94be79adc9df7a09ad0b2421f16e60e6d932c" "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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+eeb94be79adc9df7a09ad0b2421f16e60e6d932c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bfdd0fec49f5dba29c0ad0d1eaeadaf55eb0a404b55c3e80e0cec9bae7d9eee1
[INFO] running `Command { std: "docker" "start" "-a" "bfdd0fec49f5dba29c0ad0d1eaeadaf55eb0a404b55c3e80e0cec9bae7d9eee1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bfdd0fec49f5dba29c0ad0d1eaeadaf55eb0a404b55c3e80e0cec9bae7d9eee1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfdd0fec49f5dba29c0ad0d1eaeadaf55eb0a404b55c3e80e0cec9bae7d9eee1", kill_on_drop: false }`
[INFO] [stdout] bfdd0fec49f5dba29c0ad0d1eaeadaf55eb0a404b55c3e80e0cec9bae7d9eee1
[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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+eeb94be79adc9df7a09ad0b2421f16e60e6d932c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 158409dc2d6c7747c7485cc53f16233344a59b1a531332d05a0a14bba7f35a5d
[INFO] running `Command { std: "docker" "start" "-a" "158409dc2d6c7747c7485cc53f16233344a59b1a531332d05a0a14bba7f35a5d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.17
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]    Compiling comp-macro v0.1.0 (/opt/rustwide/workdir/comp-macro)
[INFO] [stderr]     Checking list-comprehension v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.52s
[INFO] running `Command { std: "docker" "inspect" "158409dc2d6c7747c7485cc53f16233344a59b1a531332d05a0a14bba7f35a5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "158409dc2d6c7747c7485cc53f16233344a59b1a531332d05a0a14bba7f35a5d", kill_on_drop: false }`
[INFO] [stdout] 158409dc2d6c7747c7485cc53f16233344a59b1a531332d05a0a14bba7f35a5d