[INFO] fetching crate single-digit-rpn 0.1.0...
[INFO] checking single-digit-rpn-0.1.0 against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[INFO] extracting crate single-digit-rpn 0.1.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate single-digit-rpn 0.1.0 on toolchain 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate single-digit-rpn 0.1.0
[INFO] finished tweaking crates.io crate single-digit-rpn 0.1.0
[INFO] tweaked toml for crates.io crate single-digit-rpn 0.1.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate single-digit-rpn 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "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] 13bf153c53bccec23f6d8f2cb05483794aa7cf68e6d5a93004fe8a143fafa681
[INFO] running `Command { std: "docker" "start" "-a" "13bf153c53bccec23f6d8f2cb05483794aa7cf68e6d5a93004fe8a143fafa681", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13bf153c53bccec23f6d8f2cb05483794aa7cf68e6d5a93004fe8a143fafa681", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13bf153c53bccec23f6d8f2cb05483794aa7cf68e6d5a93004fe8a143fafa681", kill_on_drop: false }`
[INFO] [stdout] 13bf153c53bccec23f6d8f2cb05483794aa7cf68e6d5a93004fe8a143fafa681
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 78431cc967a1994ccd6ca8c0a2dd63d9c3ec3273f6d3dd92dcc54096cd674ad5
[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" "78431cc967a1994ccd6ca8c0a2dd63d9c3ec3273f6d3dd92dcc54096cd674ad5", kill_on_drop: false }`
[INFO] [stderr]     Checking single-digit-rpn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "78431cc967a1994ccd6ca8c0a2dd63d9c3ec3273f6d3dd92dcc54096cd674ad5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78431cc967a1994ccd6ca8c0a2dd63d9c3ec3273f6d3dd92dcc54096cd674ad5", kill_on_drop: false }`
[INFO] [stdout] 78431cc967a1994ccd6ca8c0a2dd63d9c3ec3273f6d3dd92dcc54096cd674ad5