[INFO] crate subprocess 0.2.4 is already in cache
[INFO] checking subprocess-0.2.4 against try#5fdfba63a96c5e8ae0ebf6b8b66853110277087d for pr-73166
[INFO] extracting crate subprocess 0.2.4 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate subprocess 0.2.4 on toolchain 5fdfba63a96c5e8ae0ebf6b8b66853110277087d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5fdfba63a96c5e8ae0ebf6b8b66853110277087d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate subprocess 0.2.4
[INFO] finished tweaking crates.io crate subprocess 0.2.4
[INFO] tweaked toml for crates.io crate subprocess 0.2.4 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate subprocess 0.2.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5fdfba63a96c5e8ae0ebf6b8b66853110277087d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+5fdfba63a96c5e8ae0ebf6b8b66853110277087d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] adfbefcd9d58d3a16e2c00af5bbb2dee78276e19b98b2f1112928c136bdaa17c
[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" "adfbefcd9d58d3a16e2c00af5bbb2dee78276e19b98b2f1112928c136bdaa17c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "adfbefcd9d58d3a16e2c00af5bbb2dee78276e19b98b2f1112928c136bdaa17c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adfbefcd9d58d3a16e2c00af5bbb2dee78276e19b98b2f1112928c136bdaa17c", kill_on_drop: false }`
[INFO] [stdout] adfbefcd9d58d3a16e2c00af5bbb2dee78276e19b98b2f1112928c136bdaa17c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+5fdfba63a96c5e8ae0ebf6b8b66853110277087d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a12c979b1c34b3fffc19f8fc248d014966831c1e906bfa2a23fb5c67ea0a6b85
[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" "a12c979b1c34b3fffc19f8fc248d014966831c1e906bfa2a23fb5c67ea0a6b85", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking subprocess v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/communicate.rs:583:20
[INFO] [stdout]     |
[INFO] [stdout] 583 |         self.error.description()
[INFO] [stdout]     |                    ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]     --> src/popen.rs:1254:49
[INFO] [stdout]      |
[INFO] [stdout] 1254 |             PopenError::IoError(ref err) => err.description(),
[INFO] [stdout]      |                                                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/communicate.rs:583:20
[INFO] [stdout]     |
[INFO] [stdout] 583 |         self.error.description()
[INFO] [stdout]     |                    ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]     --> src/popen.rs:1254:49
[INFO] [stdout]      |
[INFO] [stdout] 1254 |             PopenError::IoError(ref err) => err.description(),
[INFO] [stdout]      |                                                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.16s
[INFO] running `Command { std: "docker" "inspect" "a12c979b1c34b3fffc19f8fc248d014966831c1e906bfa2a23fb5c67ea0a6b85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a12c979b1c34b3fffc19f8fc248d014966831c1e906bfa2a23fb5c67ea0a6b85", kill_on_drop: false }`
[INFO] [stdout] a12c979b1c34b3fffc19f8fc248d014966831c1e906bfa2a23fb5c67ea0a6b85