[INFO] fetching crate stackpin 0.0.2...
[INFO] checking stackpin-0.0.2 against master#8c6ce6b91b172f77c795a74bfeaf74b865146b3f for pr-101345
[INFO] extracting crate stackpin 0.0.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate stackpin 0.0.2 on toolchain 8c6ce6b91b172f77c795a74bfeaf74b865146b3f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8c6ce6b91b172f77c795a74bfeaf74b865146b3f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stackpin 0.0.2
[INFO] finished tweaking crates.io crate stackpin 0.0.2
[INFO] tweaked toml for crates.io crate stackpin 0.0.2 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate stackpin 0.0.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8c6ce6b91b172f77c795a74bfeaf74b865146b3f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+8c6ce6b91b172f77c795a74bfeaf74b865146b3f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 110ce9ede7d716add4722f32b7c205bcac0e73fd2c1ddf4c924908e0c5934895
[INFO] running `Command { std: "docker" "start" "-a" "110ce9ede7d716add4722f32b7c205bcac0e73fd2c1ddf4c924908e0c5934895", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "110ce9ede7d716add4722f32b7c205bcac0e73fd2c1ddf4c924908e0c5934895", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "110ce9ede7d716add4722f32b7c205bcac0e73fd2c1ddf4c924908e0c5934895", kill_on_drop: false }`
[INFO] [stdout] 110ce9ede7d716add4722f32b7c205bcac0e73fd2c1ddf4c924908e0c5934895
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+8c6ce6b91b172f77c795a74bfeaf74b865146b3f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea4c868997889d3ff7762e6eb8474fb94601f63c7028927c37ae36d3666ef20d
[INFO] running `Command { std: "docker" "start" "-a" "ea4c868997889d3ff7762e6eb8474fb94601f63c7028927c37ae36d3666ef20d", kill_on_drop: false }`
[INFO] [stderr]     Checking stackpin v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "ea4c868997889d3ff7762e6eb8474fb94601f63c7028927c37ae36d3666ef20d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea4c868997889d3ff7762e6eb8474fb94601f63c7028927c37ae36d3666ef20d", kill_on_drop: false }`
[INFO] [stdout] ea4c868997889d3ff7762e6eb8474fb94601f63c7028927c37ae36d3666ef20d