[INFO] crate cargo-app 0.3.0 is already in cache
[INFO] checking cargo-app-0.3.0 against try#d27c6c6a469a28343396a8f3ac1c9d403aabda69 for pr-66037
[INFO] extracting crate cargo-app 0.3.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate cargo-app 0.3.0 on toolchain d27c6c6a469a28343396a8f3ac1c9d403aabda69
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate cargo-app 0.3.0
[INFO] finished tweaking crates.io crate cargo-app 0.3.0
[INFO] tweaked toml for crates.io crate cargo-app 0.3.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate cargo-app 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "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] 2e7fd31ce8a8504f913d2572adc2d19ec43c59d8e973e28f6d48451a2db02b5e
[INFO] running `"docker" "start" "-a" "2e7fd31ce8a8504f913d2572adc2d19ec43c59d8e973e28f6d48451a2db02b5e"`
[INFO] [stderr]    Compiling proc-macro2 v1.0.4
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]     Checking safemem v0.3.2
[INFO] [stderr]     Checking fs_extra v1.1.0
[INFO] [stderr]     Checking line-wrap v0.1.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]    Compiling structopt-derive v0.3.2
[INFO] [stderr]     Checking structopt v0.3.2
[INFO] [stderr]     Checking serde v1.0.101
[INFO] [stderr]     Checking plist v0.5.1
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking packapp v0.3.0
[INFO] [stderr]     Checking cargo_toml v0.6.4
[INFO] [stderr]     Checking cargo-app v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/err.rs:37:10
[INFO] [stderr]    |
[INFO] [stderr] 37 |     fn from(e: toml::de::Error) -> Self {
[INFO] [stderr]    |             ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/err.rs:37:10
[INFO] [stderr]    |
[INFO] [stderr] 37 |     fn from(e: toml::de::Error) -> Self {
[INFO] [stderr]    |             ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 45.75s
[INFO] running `"docker" "inspect" "2e7fd31ce8a8504f913d2572adc2d19ec43c59d8e973e28f6d48451a2db02b5e"`
[INFO] running `"docker" "rm" "-f" "2e7fd31ce8a8504f913d2572adc2d19ec43c59d8e973e28f6d48451a2db02b5e"`
[INFO] [stdout] 2e7fd31ce8a8504f913d2572adc2d19ec43c59d8e973e28f6d48451a2db02b5e