[INFO] fetching crate slog 2.8.0-beta.2...
[INFO] checking slog-2.8.0-beta.2 against master#8549802939cd01111c46e34a7b67cb1933977af9 for pr-132712
[INFO] extracting crate slog 2.8.0-beta.2 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate slog 2.8.0-beta.2 on toolchain 8549802939cd01111c46e34a7b67cb1933977af9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8549802939cd01111c46e34a7b67cb1933977af9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-1-tc1/source/.cargo/config
[INFO] started tweaking crates.io crate slog 2.8.0-beta.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate slog 2.8.0-beta.2
[INFO] tweaked toml for crates.io crate slog 2.8.0-beta.2 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate slog 2.8.0-beta.2 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" "+8549802939cd01111c46e34a7b67cb1933977af9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustversion v1.0.14
[INFO] [stderr]   Downloaded serde v1.0.188
[INFO] [stderr]   Downloaded quote v1.0.33
[INFO] [stderr]   Downloaded erased-serde v0.3.31
[INFO] [stderr]   Downloaded serde_derive v1.0.188
[INFO] [stderr]   Downloaded proc-macro2 v1.0.66
[INFO] [stderr]   Downloaded unicode-ident v1.0.11
[INFO] [stderr]   Downloaded syn v2.0.31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+8549802939cd01111c46e34a7b67cb1933977af9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5ab06dbd1b87fd44245704ac0fdc9da674d4dd44958e9d10c08468df3e324941
[INFO] running `Command { std: "docker" "start" "-a" "5ab06dbd1b87fd44245704ac0fdc9da674d4dd44958e9d10c08468df3e324941", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ab06dbd1b87fd44245704ac0fdc9da674d4dd44958e9d10c08468df3e324941", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ab06dbd1b87fd44245704ac0fdc9da674d4dd44958e9d10c08468df3e324941", kill_on_drop: false }`
[INFO] [stdout] 5ab06dbd1b87fd44245704ac0fdc9da674d4dd44958e9d10c08468df3e324941
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+8549802939cd01111c46e34a7b67cb1933977af9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 774fe10330d5119604655f1a2971a949a25d2c632df6489d0d0332cad2d5d177
[INFO] running `Command { std: "docker" "start" "-a" "774fe10330d5119604655f1a2971a949a25d2c632df6489d0d0332cad2d5d177", kill_on_drop: false }`
[INFO] [stderr]    Compiling slog v2.8.0-beta.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.99s
[INFO] running `Command { std: "docker" "inspect" "774fe10330d5119604655f1a2971a949a25d2c632df6489d0d0332cad2d5d177", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "774fe10330d5119604655f1a2971a949a25d2c632df6489d0d0332cad2d5d177", kill_on_drop: false }`
[INFO] [stdout] 774fe10330d5119604655f1a2971a949a25d2c632df6489d0d0332cad2d5d177