[INFO] fetching crate sync42 0.10.0...
[INFO] checking sync42-0.10.0 against master#a3f76a26e045a760bb1163b7eab36872985242d5 for pr-130930
[INFO] extracting crate sync42 0.10.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate sync42 0.10.0 on toolchain a3f76a26e045a760bb1163b7eab36872985242d5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sync42 0.10.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate sync42 0.10.0
[INFO] tweaked toml for crates.io crate sync42 0.10.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate sync42 0.10.0 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" "+a3f76a26e045a760bb1163b7eab36872985242d5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sig_fig_histogram v0.4.0
[INFO] [stderr]   Downloaded arrrg_derive v0.4.0
[INFO] [stderr]   Downloaded biometrics v0.9.0
[INFO] [stderr]   Downloaded arrrg v0.4.0
[INFO] [stderr]   Downloaded guacamole v0.8.0
[INFO] [stderr]   Downloaded derive_util v0.4.0
[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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3197ca593fe69c6b1f571594e63ff30cca05de822238ef4f661b81fc1ff7bed5
[INFO] running `Command { std: "docker" "start" "-a" "3197ca593fe69c6b1f571594e63ff30cca05de822238ef4f661b81fc1ff7bed5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3197ca593fe69c6b1f571594e63ff30cca05de822238ef4f661b81fc1ff7bed5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3197ca593fe69c6b1f571594e63ff30cca05de822238ef4f661b81fc1ff7bed5", kill_on_drop: false }`
[INFO] [stdout] 3197ca593fe69c6b1f571594e63ff30cca05de822238ef4f661b81fc1ff7bed5
[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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 59a65566c395535d79cf3a30926d73f2a9d8894890dd6494d1e6204bb2ab286c
[INFO] running `Command { std: "docker" "start" "-a" "59a65566c395535d79cf3a30926d73f2a9d8894890dd6494d1e6204bb2ab286c", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking unicode-width v0.1.13
[INFO] [stderr]     Checking sig_fig_histogram v0.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking biometrics v0.9.0
[INFO] [stderr]     Checking sync42 v0.10.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling derive_util v0.4.0
[INFO] [stderr]    Compiling arrrg_derive v0.4.0
[INFO] [stderr]     Checking arrrg v0.4.0
[INFO] [stderr]     Checking guacamole v0.8.0
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.39s
[INFO] running `Command { std: "docker" "inspect" "59a65566c395535d79cf3a30926d73f2a9d8894890dd6494d1e6204bb2ab286c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59a65566c395535d79cf3a30926d73f2a9d8894890dd6494d1e6204bb2ab286c", kill_on_drop: false }`
[INFO] [stdout] 59a65566c395535d79cf3a30926d73f2a9d8894890dd6494d1e6204bb2ab286c