[INFO] updating cached repository https://github.com/CloneRob/Simple-Parse-Generator
[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] ab705cbb92aca2a45a70f818daabbf37e0c3a18e
[INFO] testing CloneRob/Simple-Parse-Generator against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FCloneRob%2FSimple-Parse-Generator" "work/builds/worker-8/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CloneRob/Simple-Parse-Generator on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/CloneRob/Simple-Parse-Generator
[INFO] finished tweaking git repo https://github.com/CloneRob/Simple-Parse-Generator
[INFO] tweaked toml for git repo https://github.com/CloneRob/Simple-Parse-Generator written to work/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/CloneRob/Simple-Parse-Generator already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-8/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" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] c26479b413d69616f331b5445de35488c6c8c9bd08475226ff125175ce9d22b9
[INFO] running `"docker" "start" "-a" "c26479b413d69616f331b5445de35488c6c8c9bd08475226ff125175ce9d22b9"`
[INFO] [stderr]    Compiling parse_generator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/set_builder.rs:89:33
[INFO] [stderr]    |
[INFO] [stderr] 89 |                     if let Some(mut ntfs) = first_set.get_mut(non_terminal) {
[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: method is never used: `get_sets`
[INFO] [stderr]   --> src/set_builder.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 | /     pub fn get_sets(self)
[INFO] [stderr] 26 | |                     -> (HashMap<char, HashSet<char>>,
[INFO] [stderr] 27 | |                         HashMap<char, HashSet<char>>,
[INFO] [stderr] 28 | |                         HashMap<(char, &'rule str), HashSet<char>>) {
[INFO] [stderr] 29 | |         (self.first_set, self.follow_set, self.first_plus_set)
[INFO] [stderr] 30 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_first_set`
[INFO] [stderr]    --> src/set_builder.rs:198:5
[INFO] [stderr]     |
[INFO] [stderr] 198 |     pub fn get_first_set(&self) -> &HashMap<char, HashSet<char>> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_follow_set`
[INFO] [stderr]    --> src/set_builder.rs:201:5
[INFO] [stderr]     |
[INFO] [stderr] 201 |     pub fn get_follow_set(&self) -> &HashMap<char, HashSet<char>> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `"docker" "inspect" "c26479b413d69616f331b5445de35488c6c8c9bd08475226ff125175ce9d22b9"`
[INFO] running `"docker" "rm" "-f" "c26479b413d69616f331b5445de35488c6c8c9bd08475226ff125175ce9d22b9"`
[INFO] [stdout] c26479b413d69616f331b5445de35488c6c8c9bd08475226ff125175ce9d22b9
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-8/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" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] c30152cdf7485b62bd12aa49fe7352e865f9695b983fd73eff5128a5fbbc4c11
[INFO] running `"docker" "start" "-a" "c30152cdf7485b62bd12aa49fe7352e865f9695b983fd73eff5128a5fbbc4c11"`
[INFO] [stderr]    Compiling parse_generator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/set_builder.rs:89:33
[INFO] [stderr]    |
[INFO] [stderr] 89 |                     if let Some(mut ntfs) = first_set.get_mut(non_terminal) {
[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: method is never used: `get_sets`
[INFO] [stderr]   --> src/set_builder.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 | /     pub fn get_sets(self)
[INFO] [stderr] 26 | |                     -> (HashMap<char, HashSet<char>>,
[INFO] [stderr] 27 | |                         HashMap<char, HashSet<char>>,
[INFO] [stderr] 28 | |                         HashMap<(char, &'rule str), HashSet<char>>) {
[INFO] [stderr] 29 | |         (self.first_set, self.follow_set, self.first_plus_set)
[INFO] [stderr] 30 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_first_set`
[INFO] [stderr]    --> src/set_builder.rs:198:5
[INFO] [stderr]     |
[INFO] [stderr] 198 |     pub fn get_first_set(&self) -> &HashMap<char, HashSet<char>> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_follow_set`
[INFO] [stderr]    --> src/set_builder.rs:201:5
[INFO] [stderr]     |
[INFO] [stderr] 201 |     pub fn get_follow_set(&self) -> &HashMap<char, HashSet<char>> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `"docker" "inspect" "c30152cdf7485b62bd12aa49fe7352e865f9695b983fd73eff5128a5fbbc4c11"`
[INFO] running `"docker" "rm" "-f" "c30152cdf7485b62bd12aa49fe7352e865f9695b983fd73eff5128a5fbbc4c11"`
[INFO] [stdout] c30152cdf7485b62bd12aa49fe7352e865f9695b983fd73eff5128a5fbbc4c11
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-8/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" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 5d2b74291899f0d4ecc46f3a8cbd49dac7afcc7e9e21310f7a472bdfc86bbf43
[INFO] running `"docker" "start" "-a" "5d2b74291899f0d4ecc46f3a8cbd49dac7afcc7e9e21310f7a472bdfc86bbf43"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/parse_generator-385a969e3083e973
[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" "5d2b74291899f0d4ecc46f3a8cbd49dac7afcc7e9e21310f7a472bdfc86bbf43"`
[INFO] running `"docker" "rm" "-f" "5d2b74291899f0d4ecc46f3a8cbd49dac7afcc7e9e21310f7a472bdfc86bbf43"`
[INFO] [stdout] 5d2b74291899f0d4ecc46f3a8cbd49dac7afcc7e9e21310f7a472bdfc86bbf43