[INFO] fetching crate self 0.0.0...
[INFO] checking self-0.0.0 against master#4bd30785eb6e55f317b41b7c278f438807eeb174 for pr-102737
[INFO] extracting crate self 0.0.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate self 0.0.0 on toolchain 4bd30785eb6e55f317b41b7c278f438807eeb174
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4bd30785eb6e55f317b41b7c278f438807eeb174" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate self 0.0.0
[INFO] finished tweaking crates.io crate self 0.0.0
[INFO] tweaked toml for crates.io crate self 0.0.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate self 0.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4bd30785eb6e55f317b41b7c278f438807eeb174" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+4bd30785eb6e55f317b41b7c278f438807eeb174" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cf8b1c6b903b21d3a8c2d2a61b1783135db819ce302d8d7c77ee75767fbb1ffd
[INFO] running `Command { std: "docker" "start" "-a" "cf8b1c6b903b21d3a8c2d2a61b1783135db819ce302d8d7c77ee75767fbb1ffd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf8b1c6b903b21d3a8c2d2a61b1783135db819ce302d8d7c77ee75767fbb1ffd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf8b1c6b903b21d3a8c2d2a61b1783135db819ce302d8d7c77ee75767fbb1ffd", kill_on_drop: false }`
[INFO] [stdout] cf8b1c6b903b21d3a8c2d2a61b1783135db819ce302d8d7c77ee75767fbb1ffd
[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" "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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+4bd30785eb6e55f317b41b7c278f438807eeb174" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0283ef276f7d60d573c910e4df3f25324423d43a42772f94fc517545fbd3b22c
[INFO] running `Command { std: "docker" "start" "-a" "0283ef276f7d60d573c910e4df3f25324423d43a42772f94fc517545fbd3b22c", kill_on_drop: false }`
[INFO] [stderr]     Checking self v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "0283ef276f7d60d573c910e4df3f25324423d43a42772f94fc517545fbd3b22c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0283ef276f7d60d573c910e4df3f25324423d43a42772f94fc517545fbd3b22c", kill_on_drop: false }`
[INFO] [stdout] 0283ef276f7d60d573c910e4df3f25324423d43a42772f94fc517545fbd3b22c