[INFO] fetching crate signalo_sources 0.5.2...
[INFO] checking signalo_sources-0.5.2 against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] extracting crate signalo_sources 0.5.2 into /workspace/builds/worker-100/source
[INFO] validating manifest of crates.io crate signalo_sources 0.5.2 on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate signalo_sources 0.5.2
[INFO] finished tweaking crates.io crate signalo_sources 0.5.2
[INFO] tweaked toml for crates.io crate signalo_sources 0.5.2 written to /workspace/builds/worker-100/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9cb99705132025ce3b2c002994516e8540c0ff11e7fc23c0f4ee2864c2947e08
[INFO] running `Command { std: "docker" "start" "-a" "9cb99705132025ce3b2c002994516e8540c0ff11e7fc23c0f4ee2864c2947e08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9cb99705132025ce3b2c002994516e8540c0ff11e7fc23c0f4ee2864c2947e08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cb99705132025ce3b2c002994516e8540c0ff11e7fc23c0f4ee2864c2947e08", kill_on_drop: false }`
[INFO] [stdout] 9cb99705132025ce3b2c002994516e8540c0ff11e7fc23c0f4ee2864c2947e08
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 729bb49a2e027b2e79e126782017fbf2c8b7227effbaf6102f34b27a11c7a17e
[INFO] running `Command { std: "docker" "start" "-a" "729bb49a2e027b2e79e126782017fbf2c8b7227effbaf6102f34b27a11c7a17e", kill_on_drop: false }`
[INFO] [stderr]     Checking replace_with v0.1.7
[INFO] [stderr]     Checking guts v0.1.1
[INFO] [stderr]     Checking nearly_eq v0.2.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking signalo_traits v0.5.0
[INFO] [stderr]     Checking signalo_sources v0.5.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.22s
[INFO] running `Command { std: "docker" "inspect" "729bb49a2e027b2e79e126782017fbf2c8b7227effbaf6102f34b27a11c7a17e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "729bb49a2e027b2e79e126782017fbf2c8b7227effbaf6102f34b27a11c7a17e", kill_on_drop: false }`
[INFO] [stdout] 729bb49a2e027b2e79e126782017fbf2c8b7227effbaf6102f34b27a11c7a17e