[INFO] updating cached repository https://github.com/icasdri/ren
[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] 0a61c18a455411552651bac11842b8883ea544c4
[INFO] testing icasdri/ren against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Ficasdri%2Fren" "work/builds/worker-3/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/icasdri/ren 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/icasdri/ren
[INFO] finished tweaking git repo https://github.com/icasdri/ren
[INFO] tweaked toml for git repo https://github.com/icasdri/ren written to work/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/icasdri/ren 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] [stderr] error: the lock file /big/crater/work/builds/worker-3/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[INFO] the lockfile is outdated, regenerating it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" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/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] b0721d74532c695be48e1fc666e7813e1e54071bca111c57f165387038b489bb
[INFO] running `"docker" "start" "-a" "b0721d74532c695be48e1fc666e7813e1e54071bca111c57f165387038b489bb"`
[INFO] [stderr]    Compiling ren v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `renamer::Renamer`
[INFO] [stderr]   --> src/main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use renamer::Renamer;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `source_pattern`
[INFO] [stderr]   --> src/renamer.rs:12:12
[INFO] [stderr]    |
[INFO] [stderr] 12 |     fn new(source_pattern: String, target_pattern: String, delim: char) -> Renamer {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_source_pattern`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `target_pattern`
[INFO] [stderr]   --> src/renamer.rs:12:36
[INFO] [stderr]    |
[INFO] [stderr] 12 |     fn new(source_pattern: String, target_pattern: String, delim: char) -> Renamer {
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_target_pattern`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `delim`
[INFO] [stderr]   --> src/renamer.rs:12:60
[INFO] [stderr]    |
[INFO] [stderr] 12 |     fn new(source_pattern: String, target_pattern: String, delim: char) -> Renamer {
[INFO] [stderr]    |                                                            ^^^^^ help: consider prefixing with an underscore: `_delim`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/renamer.rs:45:38
[INFO] [stderr]    |
[INFO] [stderr] 45 |                            .map_err(|e| PatternErr { message: "failed to compile grouped regex".to_owned() }));
[INFO] [stderr]    |                                      ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/renamer.rs:47:34
[INFO] [stderr]    |
[INFO] [stderr] 47 |                        .map_err(|e| PatternErr { message: "failed to compile regex set".to_owned() }));
[INFO] [stderr]    |                                  ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Renamer`
[INFO] [stderr]  --> src/renamer.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub struct Renamer {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/renamer.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     fn new(source_pattern: String, target_pattern: String, delim: char) -> Renamer {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `SourcePattern`
[INFO] [stderr]   --> src/renamer.rs:25:1
[INFO] [stderr]    |
[INFO] [stderr] 25 | struct SourcePattern {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `PatternErr`
[INFO] [stderr]   --> src/renamer.rs:30:1
[INFO] [stderr]    |
[INFO] [stderr] 30 | struct PatternErr {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/renamer.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     fn new(source_pattern: String, delim: char) -> Result<SourcePattern, PatternErr> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `decompose_source`
[INFO] [stderr]   --> src/renamer.rs:55:1
[INFO] [stderr]    |
[INFO] [stderr] 55 | fn decompose_source(source_pattern: String, delim: char) -> Result<(String, Vec<String>, String), String> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.64s
[INFO] running `"docker" "inspect" "b0721d74532c695be48e1fc666e7813e1e54071bca111c57f165387038b489bb"`
[INFO] running `"docker" "rm" "-f" "b0721d74532c695be48e1fc666e7813e1e54071bca111c57f165387038b489bb"`
[INFO] [stdout] b0721d74532c695be48e1fc666e7813e1e54071bca111c57f165387038b489bb
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/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] 6325570878ac97a3c23de40429c4310b209ecec07d43c3c1a2a6d8fa48faed36
[INFO] running `"docker" "start" "-a" "6325570878ac97a3c23de40429c4310b209ecec07d43c3c1a2a6d8fa48faed36"`
[INFO] [stderr]    Compiling ren v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `decompose_source`
[INFO] [stderr]   --> src/renamer.rs:80:17
[INFO] [stderr]    |
[INFO] [stderr] 80 |     use super::{decompose_source};
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `renamer::Renamer`
[INFO] [stderr]   --> src/main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use renamer::Renamer;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `source_pattern`
[INFO] [stderr]   --> src/renamer.rs:12:12
[INFO] [stderr]    |
[INFO] [stderr] 12 |     fn new(source_pattern: String, target_pattern: String, delim: char) -> Renamer {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_source_pattern`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `target_pattern`
[INFO] [stderr]   --> src/renamer.rs:12:36
[INFO] [stderr]    |
[INFO] [stderr] 12 |     fn new(source_pattern: String, target_pattern: String, delim: char) -> Renamer {
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_target_pattern`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `delim`
[INFO] [stderr]   --> src/renamer.rs:12:60
[INFO] [stderr]    |
[INFO] [stderr] 12 |     fn new(source_pattern: String, target_pattern: String, delim: char) -> Renamer {
[INFO] [stderr]    |                                                            ^^^^^ help: consider prefixing with an underscore: `_delim`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/renamer.rs:45:38
[INFO] [stderr]    |
[INFO] [stderr] 45 |                            .map_err(|e| PatternErr { message: "failed to compile grouped regex".to_owned() }));
[INFO] [stderr]    |                                      ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/renamer.rs:47:34
[INFO] [stderr]    |
[INFO] [stderr] 47 |                        .map_err(|e| PatternErr { message: "failed to compile regex set".to_owned() }));
[INFO] [stderr]    |                                  ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Renamer`
[INFO] [stderr]  --> src/renamer.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub struct Renamer {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/renamer.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     fn new(source_pattern: String, target_pattern: String, delim: char) -> Renamer {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `SourcePattern`
[INFO] [stderr]   --> src/renamer.rs:25:1
[INFO] [stderr]    |
[INFO] [stderr] 25 | struct SourcePattern {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `PatternErr`
[INFO] [stderr]   --> src/renamer.rs:30:1
[INFO] [stderr]    |
[INFO] [stderr] 30 | struct PatternErr {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/renamer.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     fn new(source_pattern: String, delim: char) -> Result<SourcePattern, PatternErr> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.98s
[INFO] running `"docker" "inspect" "6325570878ac97a3c23de40429c4310b209ecec07d43c3c1a2a6d8fa48faed36"`
[INFO] running `"docker" "rm" "-f" "6325570878ac97a3c23de40429c4310b209ecec07d43c3c1a2a6d8fa48faed36"`
[INFO] [stdout] 6325570878ac97a3c23de40429c4310b209ecec07d43c3c1a2a6d8fa48faed36
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/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] e2f488f8c37b229d6befcac32e2436407594ba05b4bf375eee94840b259a9978
[INFO] running `"docker" "start" "-a" "e2f488f8c37b229d6befcac32e2436407594ba05b4bf375eee94840b259a9978"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ren-ebb72ccebb872391
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test renamer::test_decompose::ds07 ... ok
[INFO] [stdout] test renamer::test_decompose::ds02 ... ok
[INFO] [stdout] test renamer::test_decompose::ds08 ... ok
[INFO] [stdout] test renamer::test_decompose::ds04 ... ok
[INFO] [stdout] test renamer::test_decompose::ds01 ... ok
[INFO] [stdout] test renamer::test_decompose::ds06 ... ok
[INFO] [stdout] test renamer::test_decompose::ds11 ... ok
[INFO] [stdout] test renamer::test_decompose::ds_different_delim ... ok
[INFO] [stdout] test renamer::test_decompose::ds03 ... ok
[INFO] [stdout] test renamer::test_decompose::ds09 ... ok
[INFO] [stdout] test renamer::test_decompose::ds05 ... ok
[INFO] [stdout] test renamer::test_decompose::ds10 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "e2f488f8c37b229d6befcac32e2436407594ba05b4bf375eee94840b259a9978"`
[INFO] running `"docker" "rm" "-f" "e2f488f8c37b229d6befcac32e2436407594ba05b4bf375eee94840b259a9978"`
[INFO] [stdout] e2f488f8c37b229d6befcac32e2436407594ba05b4bf375eee94840b259a9978