[INFO] cloning repository https://github.com/icasdri/ren
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/icasdri/ren" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ficasdri%2Fren", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ficasdri%2Fren'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0a61c18a455411552651bac11842b8883ea544c4
[INFO] testing icasdri/ren against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ficasdri%2Fren" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/icasdri/ren on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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 /workspace/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 `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-3/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 26bc90e561e519163ca5968e57deeb37704beb1ebb594229656add33aea4591e
[INFO] running `Command { std: "docker" "start" "-a" "26bc90e561e519163ca5968e57deeb37704beb1ebb594229656add33aea4591e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26bc90e561e519163ca5968e57deeb37704beb1ebb594229656add33aea4591e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26bc90e561e519163ca5968e57deeb37704beb1ebb594229656add33aea4591e", kill_on_drop: false }`
[INFO] [stdout] 26bc90e561e519163ca5968e57deeb37704beb1ebb594229656add33aea4591e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6bc82dfd93bafdb274528b253a307c88aabc09d0e49aff8d79325646b8158d0e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6bc82dfd93bafdb274528b253a307c88aabc09d0e49aff8d79325646b8158d0e", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling ren v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/renamer.rs:36:37
[INFO] [stdout]    |
[INFO] [stdout] 36 |         let (left, middle, right) = try!(decompose_source(source_pattern, delim)
[INFO] [stdout]    |                                     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/renamer.rs:44:23
[INFO] [stdout]    |
[INFO] [stdout] 44 |         let grouped = try!(Regex::new(grouped_src)
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/renamer.rs:46:19
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let set = try!(RegexSet::new(set_src)
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `renamer::Renamer`
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use renamer::Renamer;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `source_pattern`
[INFO] [stdout]   --> src/renamer.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn new(source_pattern: String, target_pattern: String, delim: char) -> Renamer {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_source_pattern`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `target_pattern`
[INFO] [stdout]   --> src/renamer.rs:12:36
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn new(source_pattern: String, target_pattern: String, delim: char) -> Renamer {
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_target_pattern`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `delim`
[INFO] [stdout]   --> src/renamer.rs:12:60
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn new(source_pattern: String, target_pattern: String, delim: char) -> Renamer {
[INFO] [stdout]    |                                                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_delim`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/renamer.rs:45:38
[INFO] [stdout]    |
[INFO] [stdout] 45 | ...                   .map_err(|e| PatternErr { message: "failed to compile grouped regex".to_owned() }));
[INFO] [stdout]    |                                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/renamer.rs:47:34
[INFO] [stdout]    |
[INFO] [stdout] 47 |                        .map_err(|e| PatternErr { message: "failed to compile regex set".to_owned() }));
[INFO] [stdout]    |                                  ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/renamer.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn new(source_pattern: String, target_pattern: String, delim: char) -> Renamer {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `PatternErr`
[INFO] [stdout]   --> src/renamer.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | struct PatternErr {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/renamer.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn new(source_pattern: String, delim: char) -> Result<SourcePattern, PatternErr> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `decompose_source`
[INFO] [stdout]   --> src/renamer.rs:55:4
[INFO] [stdout]    |
[INFO] [stdout] 55 | fn decompose_source(source_pattern: String, delim: char) -> Result<(String, Vec<String>, String), String> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.48s
[INFO] running `Command { std: "docker" "inspect" "6bc82dfd93bafdb274528b253a307c88aabc09d0e49aff8d79325646b8158d0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bc82dfd93bafdb274528b253a307c88aabc09d0e49aff8d79325646b8158d0e", kill_on_drop: false }`
[INFO] [stdout] 6bc82dfd93bafdb274528b253a307c88aabc09d0e49aff8d79325646b8158d0e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c2f421fd62106d6c628b342e41b8d9706eca68c3bfd7cb8dcc24b52e6f92755
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5c2f421fd62106d6c628b342e41b8d9706eca68c3bfd7cb8dcc24b52e6f92755", kill_on_drop: false }`
[INFO] [stderr]    Compiling ren v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/renamer.rs:36:37
[INFO] [stdout]    |
[INFO] [stdout] 36 |         let (left, middle, right) = try!(decompose_source(source_pattern, delim)
[INFO] [stdout]    |                                     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/renamer.rs:44:23
[INFO] [stdout]    |
[INFO] [stdout] 44 |         let grouped = try!(Regex::new(grouped_src)
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/renamer.rs:46:19
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let set = try!(RegexSet::new(set_src)
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `decompose_source`
[INFO] [stdout]   --> src/renamer.rs:80:17
[INFO] [stdout]    |
[INFO] [stdout] 80 |     use super::{decompose_source};
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `renamer::Renamer`
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use renamer::Renamer;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `source_pattern`
[INFO] [stdout]   --> src/renamer.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn new(source_pattern: String, target_pattern: String, delim: char) -> Renamer {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_source_pattern`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `target_pattern`
[INFO] [stdout]   --> src/renamer.rs:12:36
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn new(source_pattern: String, target_pattern: String, delim: char) -> Renamer {
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_target_pattern`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `delim`
[INFO] [stdout]   --> src/renamer.rs:12:60
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn new(source_pattern: String, target_pattern: String, delim: char) -> Renamer {
[INFO] [stdout]    |                                                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_delim`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/renamer.rs:45:38
[INFO] [stdout]    |
[INFO] [stdout] 45 | ...                   .map_err(|e| PatternErr { message: "failed to compile grouped regex".to_owned() }));
[INFO] [stdout]    |                                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/renamer.rs:47:34
[INFO] [stdout]    |
[INFO] [stdout] 47 |                        .map_err(|e| PatternErr { message: "failed to compile regex set".to_owned() }));
[INFO] [stdout]    |                                  ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/renamer.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn new(source_pattern: String, target_pattern: String, delim: char) -> Renamer {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `PatternErr`
[INFO] [stdout]   --> src/renamer.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | struct PatternErr {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/renamer.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn new(source_pattern: String, delim: char) -> Result<SourcePattern, PatternErr> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `Command { std: "docker" "inspect" "5c2f421fd62106d6c628b342e41b8d9706eca68c3bfd7cb8dcc24b52e6f92755", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c2f421fd62106d6c628b342e41b8d9706eca68c3bfd7cb8dcc24b52e6f92755", kill_on_drop: false }`
[INFO] [stdout] 5c2f421fd62106d6c628b342e41b8d9706eca68c3bfd7cb8dcc24b52e6f92755
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e050006f7d6363afe4a3406889b973a297093922f0ed424d1c8b7bd92e58428b
[INFO] running `Command { std: "docker" "start" "-a" "e050006f7d6363afe4a3406889b973a297093922f0ed424d1c8b7bd92e58428b", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/renamer.rs:36:37
[INFO] [stderr]    |
[INFO] [stderr] 36 |         let (left, middle, right) = try!(decompose_source(source_pattern, delim)
[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/renamer.rs:44:23
[INFO] [stderr]    |
[INFO] [stderr] 44 |         let grouped = try!(Regex::new(grouped_src)
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/renamer.rs:46:19
[INFO] [stderr]    |
[INFO] [stderr] 46 |         let set = try!(RegexSet::new(set_src)
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[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: if this is intentional, prefix it 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: if this is intentional, prefix it 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: if this is intentional, prefix it 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: if this is intentional, prefix it 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: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/renamer.rs:12:8
[INFO] [stderr]    |
[INFO] [stderr] 12 |     fn new(source_pattern: String, target_pattern: String, delim: char) -> Renamer {
[INFO] [stderr]    |        ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `PatternErr`
[INFO] [stderr]   --> src/renamer.rs:30:8
[INFO] [stderr]    |
[INFO] [stderr] 30 | struct PatternErr {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/renamer.rs:35:8
[INFO] [stderr]    |
[INFO] [stderr] 35 |     fn new(source_pattern: String, delim: char) -> Result<SourcePattern, PatternErr> {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 13 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ren-f42e26465cd49195
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test renamer::test_decompose::ds01 ... ok
[INFO] [stdout] test renamer::test_decompose::ds02 ... ok
[INFO] [stdout] test renamer::test_decompose::ds03 ... ok
[INFO] [stdout] test renamer::test_decompose::ds07 ... ok
[INFO] [stdout] test renamer::test_decompose::ds08 ... ok
[INFO] [stdout] test renamer::test_decompose::ds04 ... ok
[INFO] [stdout] test renamer::test_decompose::ds05 ... ok
[INFO] [stdout] test renamer::test_decompose::ds10 ... ok
[INFO] [stdout] test renamer::test_decompose::ds06 ... ok
[INFO] [stdout] test renamer::test_decompose::ds11 ... ok
[INFO] [stdout] test renamer::test_decompose::ds09 ... ok
[INFO] [stdout] test renamer::test_decompose::ds_different_delim ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e050006f7d6363afe4a3406889b973a297093922f0ed424d1c8b7bd92e58428b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e050006f7d6363afe4a3406889b973a297093922f0ed424d1c8b7bd92e58428b", kill_on_drop: false }`
[INFO] [stdout] e050006f7d6363afe4a3406889b973a297093922f0ed424d1c8b7bd92e58428b