[INFO] updating cached repository https://github.com/xitep/excfinder
[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] 9b8f55cac044c0903a561bd9695cac8a7fcd6fa2
[INFO] checking xitep/excfinder against master#446e5e57b667c841ba3ebb4b41b44fb98bd3af4b for pr-65294
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxitep%2Fexcfinder" "/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/xitep/excfinder on toolchain 446e5e57b667c841ba3ebb4b41b44fb98bd3af4b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+446e5e57b667c841ba3ebb4b41b44fb98bd3af4b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/xitep/excfinder
[INFO] finished tweaking git repo https://github.com/xitep/excfinder
[INFO] tweaked toml for git repo https://github.com/xitep/excfinder written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/xitep/excfinder already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+446e5e57b667c841ba3ebb4b41b44fb98bd3af4b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /workspace/builds/worker-7/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+446e5e57b667c841ba3ebb4b41b44fb98bd3af4b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+446e5e57b667c841ba3ebb4b41b44fb98bd3af4b" "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" "+446e5e57b667c841ba3ebb4b41b44fb98bd3af4b" "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] bd1295adeb1e3c0efeb11828e74231be04df0b6f6060ea87f8bbe60974e32444
[INFO] running `"docker" "start" "-a" "bd1295adeb1e3c0efeb11828e74231be04df0b6f6060ea87f8bbe60974e32444"`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking lines v0.0.6
[INFO] [stderr]     Checking excfinder v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:81:13
[INFO] [stderr]    |
[INFO] [stderr] 81 |     let f = try!(File::open(filename));
[INFO] [stderr]    |             ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:94:5
[INFO] [stderr]     |
[INFO] [stderr] 94  | /     try_read_lines!(line in LineReader::new(f), {
[INFO] [stderr] 95  | |         line_no += 1;
[INFO] [stderr] 96  | |         if cfg.line_regex.is_match(&String::from_utf8_lossy(line)) {
[INFO] [stderr] 97  | |             if collecting_block {
[INFO] [stderr] ...   |
[INFO] [stderr] 125 | |         let _ = block.write_all(line);
[INFO] [stderr] 126 | |     });
[INFO] [stderr]     | |_______^
[INFO] [stderr]     |
[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 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:100:17
[INFO] [stderr]     |
[INFO] [stderr] 100 |                 try!(stdout.write_all(&block));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:81:13
[INFO] [stderr]    |
[INFO] [stderr] 81 |     let f = try!(File::open(filename));
[INFO] [stderr]    |             ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:94:5
[INFO] [stderr]     |
[INFO] [stderr] 94  | /     try_read_lines!(line in LineReader::new(f), {
[INFO] [stderr] 95  | |         line_no += 1;
[INFO] [stderr] 96  | |         if cfg.line_regex.is_match(&String::from_utf8_lossy(line)) {
[INFO] [stderr] 97  | |             if collecting_block {
[INFO] [stderr] ...   |
[INFO] [stderr] 125 | |         let _ = block.write_all(line);
[INFO] [stderr] 126 | |     });
[INFO] [stderr]     | |_______^
[INFO] [stderr]     |
[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 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:100:17
[INFO] [stderr]     |
[INFO] [stderr] 100 |                 try!(stdout.write_all(&block));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.86s
[INFO] running `"docker" "inspect" "bd1295adeb1e3c0efeb11828e74231be04df0b6f6060ea87f8bbe60974e32444"`
[INFO] running `"docker" "rm" "-f" "bd1295adeb1e3c0efeb11828e74231be04df0b6f6060ea87f8bbe60974e32444"`
[INFO] [stdout] bd1295adeb1e3c0efeb11828e74231be04df0b6f6060ea87f8bbe60974e32444