[INFO] crate minimp3 0.3.5 is already in cache
[INFO] checking minimp3-0.3.5 against master#e1beee4992ad4b235fc700bf7af1ee86f894ea53 for pr-74130
[INFO] extracting crate minimp3 0.3.5 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate minimp3 0.3.5 on toolchain e1beee4992ad4b235fc700bf7af1ee86f894ea53
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate minimp3 0.3.5
[INFO] finished tweaking crates.io crate minimp3 0.3.5
[INFO] tweaked toml for crates.io crate minimp3 0.3.5 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate minimp3 0.3.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6c43213fdb2f784657772976cf81f422c28c46431f049ab50b5460e7c06d98db
[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" "6c43213fdb2f784657772976cf81f422c28c46431f049ab50b5460e7c06d98db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c43213fdb2f784657772976cf81f422c28c46431f049ab50b5460e7c06d98db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c43213fdb2f784657772976cf81f422c28c46431f049ab50b5460e7c06d98db", kill_on_drop: false }`
[INFO] [stdout] 6c43213fdb2f784657772976cf81f422c28c46431f049ab50b5460e7c06d98db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 938b590bb600a451d9fc6cc1674e83209c0587b84c692d25de851e9aa302032a
[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" "938b590bb600a451d9fc6cc1674e83209c0587b84c692d25de851e9aa302032a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]     Checking slice-deque v0.3.0
[INFO] [stderr]    Compiling minimp3-sys v0.3.2
[INFO] [stderr]     Checking minimp3 v0.3.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:26:35
[INFO] [stdout]    |
[INFO] [stdout] 26 |             _ => f.write_str(self.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/error.rs:34:41
[INFO] [stdout]    |
[INFO] [stdout] 34 |             Error::Io(io_err) => io_err.description(),
[INFO] [stdout]    |                                         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[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/error.rs:26:35
[INFO] [stdout]    |
[INFO] [stdout] 26 |             _ => f.write_str(self.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/error.rs:34:41
[INFO] [stdout]    |
[INFO] [stdout] 34 |             Error::Io(io_err) => io_err.description(),
[INFO] [stdout]    |                                         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sample_rate`
[INFO] [stdout]   --> examples/example.rs:15:17
[INFO] [stdout]    |
[INFO] [stdout] 15 |                 sample_rate,
[INFO] [stdout]    |                 ^^^^^^^^^^^ help: try ignoring the field: `sample_rate: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.20s
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "938b590bb600a451d9fc6cc1674e83209c0587b84c692d25de851e9aa302032a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "938b590bb600a451d9fc6cc1674e83209c0587b84c692d25de851e9aa302032a", kill_on_drop: false }`
[INFO] [stdout] 938b590bb600a451d9fc6cc1674e83209c0587b84c692d25de851e9aa302032a