[INFO] updating cached repository https://github.com/guangie88/sum_count_files
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a01732ad26c82b7179145a60ebbbaac9458e07ae
[INFO] checking guangie88/sum_count_files against try#1a608893c03d7722effeb0058e82770bd36b4b3c for pr-66504-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguangie88%2Fsum_count_files" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/guangie88/sum_count_files on toolchain 1a608893c03d7722effeb0058e82770bd36b4b3c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/guangie88/sum_count_files
[INFO] finished tweaking git repo https://github.com/guangie88/sum_count_files
[INFO] tweaked toml for git repo https://github.com/guangie88/sum_count_files written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/guangie88/sum_count_files already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "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] 4a1d851c3754becaf9b167c829f90392502d524cad384b826290e18cc06f7efd
[INFO] running `"docker" "start" "-a" "4a1d851c3754becaf9b167c829f90392502d524cad384b826290e18cc06f7efd"`
[INFO] [stderr]     Checking serde v1.0.24
[INFO] [stderr]     Checking time v0.1.38
[INFO] [stderr]     Checking atty v0.2.3
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]     Checking yaml-rust v0.4.0
[INFO] [stderr]     Checking humantime v1.0.0
[INFO] [stderr]     Checking ordered-float v0.5.0
[INFO] [stderr]    Compiling serde_derive_internals v0.18.0
[INFO] [stderr]     Checking num v0.1.41
[INFO] [stderr]     Checking backtrace-sys v0.1.16
[INFO] [stderr]    Compiling structopt-derive v0.1.5
[INFO] [stderr]     Checking clap v2.29.0
[INFO] [stderr]     Checking backtrace v0.3.4
[INFO] [stderr]     Checking chrono v0.3.0
[INFO] [stderr]     Checking simple_logger v0.4.0
[INFO] [stderr]     Checking failure v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.24
[INFO] [stderr]     Checking flate2 v0.2.20
[INFO] [stderr]     Checking serde_yaml v0.7.3
[INFO] [stderr]     Checking serde-value v0.5.1
[INFO] [stderr]     Checking serde_json v1.0.8
[INFO] [stderr]     Checking structopt v0.1.5
[INFO] [stderr]     Checking log4rs v0.7.0
[INFO] [stderr]     Checking sum_count_files v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unreachable call
[INFO] [stderr]   --> src/bin/main.rs:24:10
[INFO] [stderr]    |
[INFO] [stderr] 24 | #[derive(StructOpt, Debug)]
[INFO] [stderr]    |          ^^^^^^^^^
[INFO] [stderr]    |          |
[INFO] [stderr]    |          unreachable call
[INFO] [stderr]    |          any code following this expression is unreachable
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable call
[INFO] [stderr]   --> src/bin/main.rs:24:10
[INFO] [stderr]    |
[INFO] [stderr] 24 | #[derive(StructOpt, Debug)]
[INFO] [stderr]    |          ^^^^^^^^^
[INFO] [stderr]    |          |
[INFO] [stderr]    |          unreachable call
[INFO] [stderr]    |          any code following this expression is unreachable
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable call
[INFO] [stderr]   --> src/bin/main.rs:24:10
[INFO] [stderr]    |
[INFO] [stderr] 24 | #[derive(StructOpt, Debug)]
[INFO] [stderr]    |          ^^^^^^^^^
[INFO] [stderr]    |          |
[INFO] [stderr]    |          unreachable call
[INFO] [stderr]    |          any code following this expression is unreachable
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable call
[INFO] [stderr]   --> src/bin/main.rs:24:10
[INFO] [stderr]    |
[INFO] [stderr] 24 | #[derive(StructOpt, Debug)]
[INFO] [stderr]    |          ^^^^^^^^^
[INFO] [stderr]    |          |
[INFO] [stderr]    |          unreachable call
[INFO] [stderr]    |          any code following this expression is unreachable
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.09s
[INFO] running `"docker" "inspect" "4a1d851c3754becaf9b167c829f90392502d524cad384b826290e18cc06f7efd"`
[INFO] running `"docker" "rm" "-f" "4a1d851c3754becaf9b167c829f90392502d524cad384b826290e18cc06f7efd"`
[INFO] [stdout] 4a1d851c3754becaf9b167c829f90392502d524cad384b826290e18cc06f7efd