[INFO] updating cached repository https://github.com/the8472/ffcnt
[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] 4107cc4c9233f3e2bc086d0124cd225e4cd33642
[INFO] checking the8472/ffcnt against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthe8472%2Fffcnt" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/the8472/ffcnt on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/the8472/ffcnt
[INFO] finished tweaking git repo https://github.com/the8472/ffcnt
[INFO] tweaked toml for git repo https://github.com/the8472/ffcnt written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/the8472/ffcnt already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "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] d7129fe4a9fb777b860e958e816b26b6018f2ebb4baa0c3d2b38d29102d2f599
[INFO] running `"docker" "start" "-a" "d7129fe4a9fb777b860e958e816b26b6018f2ebb4baa0c3d2b38d29102d2f599"`
[INFO] [stderr]     Checking uuid v0.3.1
[INFO] [stderr]    Compiling case v0.1.0
[INFO] [stderr]     Checking minilzo-sys v0.1.0
[INFO] [stderr]     Checking term_size v0.3.0
[INFO] [stderr]     Checking mnt v0.3.0
[INFO] [stderr]     Checking isatty v0.1.3
[INFO] [stderr]     Checking crc v1.4.0
[INFO] [stderr]     Checking nix v0.8.1
[INFO] [stderr]     Checking miniz-sys v0.1.9
[INFO] [stderr]     Checking clap v2.24.2
[INFO] [stderr]     Checking minilzo v0.1.2
[INFO] [stderr]    Compiling derive-error v0.0.3
[INFO] [stderr]     Checking flate2 v0.2.19
[INFO] [stderr]     Checking btrfs2 v1.2.2
[INFO] [stderr]     Checking platter-walk v0.1.2
[INFO] [stderr]     Checking ffcnt v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/main.rs:177:56
[INFO] [stderr]     |
[INFO] [stderr] 177 |                     writeln!(std::io::stderr(),"{}", e.description()).unwrap();
[INFO] [stderr]     |                                                        ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]    --> src/main.rs:17:9
[INFO] [stderr]     |
[INFO] [stderr] 17  | #![deny(warnings)]
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     = note: `#[deny(deprecated)]` implied by `#[deny(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/main.rs:204:48
[INFO] [stderr]     |
[INFO] [stderr] 204 |             writeln!(std::io::stderr(),"{}", e.description()).unwrap();
[INFO] [stderr]     |                                                ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `ffcnt`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/main.rs:177:56
[INFO] [stderr]     |
[INFO] [stderr] 177 |                     writeln!(std::io::stderr(),"{}", e.description()).unwrap();
[INFO] [stderr]     |                                                        ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]    --> src/main.rs:17:9
[INFO] [stderr]     |
[INFO] [stderr] 17  | #![deny(warnings)]
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     = note: `#[deny(deprecated)]` implied by `#[deny(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/main.rs:204:48
[INFO] [stderr]     |
[INFO] [stderr] 204 |             writeln!(std::io::stderr(),"{}", e.description()).unwrap();
[INFO] [stderr]     |                                                ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `ffcnt`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "d7129fe4a9fb777b860e958e816b26b6018f2ebb4baa0c3d2b38d29102d2f599"`
[INFO] running `"docker" "rm" "-f" "d7129fe4a9fb777b860e958e816b26b6018f2ebb4baa0c3d2b38d29102d2f599"`
[INFO] [stdout] d7129fe4a9fb777b860e958e816b26b6018f2ebb4baa0c3d2b38d29102d2f599
