[INFO] crate denim 0.1.1 is already in cache
[INFO] checking denim-0.1.1 against master#fdc0011561c6365c596dfd8fa1ef388162bc89c7 for pr-66504-1
[INFO] extracting crate denim 0.1.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate denim 0.1.1 on toolchain fdc0011561c6365c596dfd8fa1ef388162bc89c7
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate denim 0.1.1
[INFO] finished tweaking crates.io crate denim 0.1.1
[INFO] tweaked toml for crates.io crate denim 0.1.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate denim 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "/opt/rustwide/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1cb8aded30e2a34062f1ade8574256505eb143a45ac7f87c762f6f9085fcff28
[INFO] running `"docker" "start" "-a" "1cb8aded30e2a34062f1ade8574256505eb143a45ac7f87c762f6f9085fcff28"`
[INFO] [stderr]     Checking tap v0.3.1
[INFO] [stderr]     Checking assert_matches v1.3.0
[INFO] [stderr]     Checking boolinator v2.4.0
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]     Checking os_pipe v0.9.1
[INFO] [stderr]     Checking errno v0.2.4
[INFO] [stderr]     Checking shared_child v0.3.4
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]    Compiling backtrace v0.3.40
[INFO] [stderr]     Checking duct v0.13.2
[INFO] [stderr]     Checking exec v0.3.1
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]     Checking shaman v0.1.0
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]    Compiling structopt-derive v0.3.3
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling serde_json v1.0.41
[INFO] [stderr]     Checking structopt v0.3.3
[INFO] [stderr]    Compiling cargo_metadata v0.6.4
[INFO] [stderr]    Compiling skeptic v0.13.4
[INFO] [stderr]    Compiling problem v5.2.0
[INFO] [stderr]     Checking cotton v0.0.5
[INFO] [stderr]     Checking denim v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/main.rs:104:9
[INFO] [stderr]     |
[INFO] [stderr] 103 |         project.execute(&std::env::args().skip(2).collect::<Vec<_>>()).unwrap();
[INFO] [stderr]     |         ----------------------------------------------------------------------- any code following this expression is unreachable
[INFO] [stderr] 104 |         unreachable!()
[INFO] [stderr]     |         ^^^^^^^^^^^^^^ unreachable expression
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/main.rs:104:9
[INFO] [stderr]     |
[INFO] [stderr] 103 |         project.execute(&std::env::args().skip(2).collect::<Vec<_>>()).unwrap();
[INFO] [stderr]     |         ----------------------------------------------------------------------- any code following this expression is unreachable
[INFO] [stderr] 104 |         unreachable!()
[INFO] [stderr]     |         ^^^^^^^^^^^^^^ unreachable expression
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 57.40s
[INFO] running `"docker" "inspect" "1cb8aded30e2a34062f1ade8574256505eb143a45ac7f87c762f6f9085fcff28"`
[INFO] running `"docker" "rm" "-f" "1cb8aded30e2a34062f1ade8574256505eb143a45ac7f87c762f6f9085fcff28"`
[INFO] [stdout] 1cb8aded30e2a34062f1ade8574256505eb143a45ac7f87c762f6f9085fcff28