[INFO] updating cached repository https://github.com/pczora/olderon
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/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] 7e47201b4296998fe8b3b79880e6cfc3c8ed8944
[INFO] testing pczora/olderon against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpczora%2Folderon" "work/builds/worker-5/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pczora/olderon on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/pczora/olderon
[INFO] finished tweaking git repo https://github.com/pczora/olderon
[INFO] tweaked toml for git repo https://github.com/pczora/olderon written to work/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/pczora/olderon already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /big/crater/work/builds/worker-5/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 91800b62083e2fb9907433a2bfd909f4a91d51b3bc29d5d375bd54833890f821
[INFO] running `"docker" "start" "-a" "91800b62083e2fb9907433a2bfd909f4a91d51b3bc29d5d375bd54833890f821"`
[INFO] [stderr]    Compiling olderon v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::num`
[INFO] [stderr]  --> src/fileparser.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::num;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]   --> src/fileparser.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 |     let s = &mut String::new();
[INFO] [stderr]    |         ^ help: consider prefixing with an underscore: `_s`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `hlt_regex`
[INFO] [stderr]   --> src/fileparser.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 |     let hlt_regex = Regex::new(r"^HLT").unwrap();
[INFO] [stderr]    |         ^^^^^^^^^ help: consider prefixing with an underscore: `_hlt_regex`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/fileparser.rs:14:9
[INFO] [stderr]    |
[INFO] [stderr] 14 |     let mut file = match File::open(path) {
[INFO] [stderr]    |         ----^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/fileparser.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |     let mut reader = BufReader::new(&file);
[INFO] [stderr]    |         ----^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.54s
[INFO] running `"docker" "inspect" "91800b62083e2fb9907433a2bfd909f4a91d51b3bc29d5d375bd54833890f821"`
[INFO] running `"docker" "rm" "-f" "91800b62083e2fb9907433a2bfd909f4a91d51b3bc29d5d375bd54833890f821"`
[INFO] [stdout] 91800b62083e2fb9907433a2bfd909f4a91d51b3bc29d5d375bd54833890f821
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] f58e0067bb89862afc8da86e0e3ee7507eb50080bc194821bceda16f0ba44402
[INFO] running `"docker" "start" "-a" "f58e0067bb89862afc8da86e0e3ee7507eb50080bc194821bceda16f0ba44402"`
[INFO] [stderr]    Compiling olderon v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::num`
[INFO] [stderr]  --> src/fileparser.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::num;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]   --> src/fileparser.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 |     let s = &mut String::new();
[INFO] [stderr]    |         ^ help: consider prefixing with an underscore: `_s`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `hlt_regex`
[INFO] [stderr]   --> src/fileparser.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 |     let hlt_regex = Regex::new(r"^HLT").unwrap();
[INFO] [stderr]    |         ^^^^^^^^^ help: consider prefixing with an underscore: `_hlt_regex`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/fileparser.rs:14:9
[INFO] [stderr]    |
[INFO] [stderr] 14 |     let mut file = match File::open(path) {
[INFO] [stderr]    |         ----^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/fileparser.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |     let mut reader = BufReader::new(&file);
[INFO] [stderr]    |         ----^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `"docker" "inspect" "f58e0067bb89862afc8da86e0e3ee7507eb50080bc194821bceda16f0ba44402"`
[INFO] running `"docker" "rm" "-f" "f58e0067bb89862afc8da86e0e3ee7507eb50080bc194821bceda16f0ba44402"`
[INFO] [stdout] f58e0067bb89862afc8da86e0e3ee7507eb50080bc194821bceda16f0ba44402
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] 2427f12c0df083a784135f9223bcb300b0f811383188baa27974f1dd11864f8b
[INFO] running `"docker" "start" "-a" "2427f12c0df083a784135f9223bcb300b0f811383188baa27974f1dd11864f8b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/olderon-a783bf919ac64ae6
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "2427f12c0df083a784135f9223bcb300b0f811383188baa27974f1dd11864f8b"`
[INFO] running `"docker" "rm" "-f" "2427f12c0df083a784135f9223bcb300b0f811383188baa27974f1dd11864f8b"`
[INFO] [stdout] 2427f12c0df083a784135f9223bcb300b0f811383188baa27974f1dd11864f8b