[INFO] updating cached repository https://github.com/smurawski/j2y
[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] 1dd7081191f54f9b764a0b80931dc0399c81e1dd
[INFO] checking smurawski/j2y against master#b61e69433951e31f7bd746e22f516a48ad41623b for prs-64470-and-65389
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmurawski%2Fj2y" "/workspace/builds/worker-12/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/smurawski/j2y on toolchain b61e69433951e31f7bd746e22f516a48ad41623b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/smurawski/j2y
[INFO] finished tweaking git repo https://github.com/smurawski/j2y
[INFO] tweaked toml for git repo https://github.com/smurawski/j2y written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/smurawski/j2y already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+b61e69433951e31f7bd746e22f516a48ad41623b" "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] 42ad70c6d94876ec9012b4f16628b1dbb9384b4ebf2a5f6a600efc32044973ea
[INFO] running `"docker" "start" "-a" "42ad70c6d94876ec9012b4f16628b1dbb9384b4ebf2a5f6a600efc32044973ea"`
[INFO] [stderr]     Checking serde v1.0.19
[INFO] [stderr]     Checking serde_yaml v0.7.1
[INFO] [stderr]     Checking serde_json v1.0.5
[INFO] [stderr]     Checking j2y v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
[INFO] [stderr]   --> src/main.rs:9:1
[INFO] [stderr]    |
[INFO] [stderr] 9  | / arg_enum!{
[INFO] [stderr] 10 | |     #[derive(Debug)]
[INFO] [stderr] 11 | |     enum SourceFormat {
[INFO] [stderr] 12 | |         YAML,
[INFO] [stderr] 13 | |         JSON
[INFO] [stderr] 14 | |     }
[INFO] [stderr] 15 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` 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: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
[INFO] [stderr]   --> src/main.rs:9:1
[INFO] [stderr]    |
[INFO] [stderr] 9  | / arg_enum!{
[INFO] [stderr] 10 | |     #[derive(Debug)]
[INFO] [stderr] 11 | |     enum SourceFormat {
[INFO] [stderr] 12 | |         YAML,
[INFO] [stderr] 13 | |         JSON
[INFO] [stderr] 14 | |     }
[INFO] [stderr] 15 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` 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 13.55s
[INFO] running `"docker" "inspect" "42ad70c6d94876ec9012b4f16628b1dbb9384b4ebf2a5f6a600efc32044973ea"`
[INFO] running `"docker" "rm" "-f" "42ad70c6d94876ec9012b4f16628b1dbb9384b4ebf2a5f6a600efc32044973ea"`
[INFO] [stdout] 42ad70c6d94876ec9012b4f16628b1dbb9384b4ebf2a5f6a600efc32044973ea