[INFO] fetching crate prust_test 0.1.2...
[INFO] checking prust_test-0.1.2 against master#50e1dc1536264ab71c0850f346b12309477f29f7 for pr-85073
[INFO] extracting crate prust_test 0.1.2 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate prust_test 0.1.2 on toolchain 50e1dc1536264ab71c0850f346b12309477f29f7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-12/source/.cargo/config.toml
[INFO] started tweaking crates.io crate prust_test 0.1.2
[INFO] finished tweaking crates.io crate prust_test 0.1.2
[INFO] tweaked toml for crates.io crate prust_test 0.1.2 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate prust_test 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c770a2af298ea63dbe1f9b2659c34c9a630a0b69485521678201d10d6b6510b0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c770a2af298ea63dbe1f9b2659c34c9a630a0b69485521678201d10d6b6510b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c770a2af298ea63dbe1f9b2659c34c9a630a0b69485521678201d10d6b6510b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c770a2af298ea63dbe1f9b2659c34c9a630a0b69485521678201d10d6b6510b0", kill_on_drop: false }`
[INFO] [stdout] c770a2af298ea63dbe1f9b2659c34c9a630a0b69485521678201d10d6b6510b0
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b4745c605eb0a2a760a3f5c13e54b39d89e06c90f0c49d1bfe87b2b09311d5f5
[INFO] running `Command { std: "docker" "start" "-a" "b4745c605eb0a2a760a3f5c13e54b39d89e06c90f0c49d1bfe87b2b09311d5f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking nix v0.18.0
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking prust_core v0.1.2
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking libudev v0.2.0
[INFO] [stderr]     Checking dirs-next v1.0.2
[INFO] [stderr]     Checking rustyline v6.3.0
[INFO] [stderr]     Checking serialport v3.3.0
[INFO] [stderr]     Checking prust_test v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.54s
[INFO] running `Command { std: "docker" "inspect" "b4745c605eb0a2a760a3f5c13e54b39d89e06c90f0c49d1bfe87b2b09311d5f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4745c605eb0a2a760a3f5c13e54b39d89e06c90f0c49d1bfe87b2b09311d5f5", kill_on_drop: false }`
[INFO] [stdout] b4745c605eb0a2a760a3f5c13e54b39d89e06c90f0c49d1bfe87b2b09311d5f5