[INFO] fetching crate libc-print 0.1.16...
[INFO] checking libc-print-0.1.16 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] extracting crate libc-print 0.1.16 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate libc-print 0.1.16 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libc-print 0.1.16
[INFO] finished tweaking crates.io crate libc-print 0.1.16
[INFO] tweaked toml for crates.io crate libc-print 0.1.16 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 044df23cf7359f181a91b8cf10d709d2bee82b590146f8bf1c8948945f76330f
[INFO] running `Command { std: "docker" "start" "-a" "044df23cf7359f181a91b8cf10d709d2bee82b590146f8bf1c8948945f76330f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "044df23cf7359f181a91b8cf10d709d2bee82b590146f8bf1c8948945f76330f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "044df23cf7359f181a91b8cf10d709d2bee82b590146f8bf1c8948945f76330f", kill_on_drop: false }`
[INFO] [stdout] 044df23cf7359f181a91b8cf10d709d2bee82b590146f8bf1c8948945f76330f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 373f7709cd30fbc48d26245d45c8f873ef562204690729bfb63adda141b8ad68
[INFO] running `Command { std: "docker" "start" "-a" "373f7709cd30fbc48d26245d45c8f873ef562204690729bfb63adda141b8ad68", kill_on_drop: false }`
[INFO] [stderr]     Checking libc-print v0.1.16 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "373f7709cd30fbc48d26245d45c8f873ef562204690729bfb63adda141b8ad68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "373f7709cd30fbc48d26245d45c8f873ef562204690729bfb63adda141b8ad68", kill_on_drop: false }`
[INFO] [stdout] 373f7709cd30fbc48d26245d45c8f873ef562204690729bfb63adda141b8ad68