[INFO] updating cached repository https://github.com/Adzz/bodil_parser_combinators
[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] fadeda8c51d78df210405074f669aa6db39db220
[INFO] checking Adzz/bodil_parser_combinators against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAdzz%2Fbodil_parser_combinators" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Adzz/bodil_parser_combinators on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Adzz/bodil_parser_combinators
[INFO] finished tweaking git repo https://github.com/Adzz/bodil_parser_combinators
[INFO] tweaked toml for git repo https://github.com/Adzz/bodil_parser_combinators written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/Adzz/bodil_parser_combinators already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "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] 776ea7946d9bdc7a8f471183fdf4eee4dcb847bc2e1f71cc12d82dc1d432943f
[INFO] running `"docker" "start" "-a" "776ea7946d9bdc7a8f471183fdf4eee4dcb847bc2e1f71cc12d82dc1d432943f"`
[INFO] [stderr]     Checking bodil_parser_combinators v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: function is never used: `the_letter_a`
[INFO] [stderr]   --> src/lib.rs:12:4
[INFO] [stderr]    |
[INFO] [stderr] 12 | fn the_letter_a(input: &str) -> Result<(&str, ()), &str> {
[INFO] [stderr]    |    ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `match_literal`
[INFO] [stderr]   --> src/lib.rs:19:4
[INFO] [stderr]    |
[INFO] [stderr] 19 | fn match_literal(expected: &'static str) -> impl Fn(&str) -> Result<(&str, ()), &str> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `identifier`
[INFO] [stderr]   --> src/lib.rs:37:4
[INFO] [stderr]    |
[INFO] [stderr] 37 | fn identifier(input: &str) -> Result<(&str, String), &str> {
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `pair`
[INFO] [stderr]   --> src/lib.rs:74:4
[INFO] [stderr]    |
[INFO] [stderr] 74 | fn pair<P1, P2, R1, R2>(parser1: P1, parser2: P2) -> impl Fn(&str) -> Result<(&str, (R1, R2)), &str>
[INFO] [stderr]    |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `the_letter_a`
[INFO] [stderr]   --> src/lib.rs:12:4
[INFO] [stderr]    |
[INFO] [stderr] 12 | fn the_letter_a(input: &str) -> Result<(&str, ()), &str> {
[INFO] [stderr]    |    ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `"docker" "inspect" "776ea7946d9bdc7a8f471183fdf4eee4dcb847bc2e1f71cc12d82dc1d432943f"`
[INFO] running `"docker" "rm" "-f" "776ea7946d9bdc7a8f471183fdf4eee4dcb847bc2e1f71cc12d82dc1d432943f"`
[INFO] [stdout] 776ea7946d9bdc7a8f471183fdf4eee4dcb847bc2e1f71cc12d82dc1d432943f