[INFO] cloning repository https://github.com/vitiral/replace.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vitiral/replace.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvitiral%2Freplace.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvitiral%2Freplace.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 246ff7c9b8b91c5d81d8ee41d25d42020e731f03
[INFO] testing vitiral/replace.rs against master#9e297bf54d31eb3b30067208ff9af4416945a2ed for pr-125507
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvitiral%2Freplace.rs" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vitiral/replace.rs on toolchain 9e297bf54d31eb3b30067208ff9af4416945a2ed
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9e297bf54d31eb3b30067208ff9af4416945a2ed" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/vitiral/replace.rs
[INFO] finished tweaking git repo https://github.com/vitiral/replace.rs
[INFO] tweaked toml for git repo https://github.com/vitiral/replace.rs written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/vitiral/replace.rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9e297bf54d31eb3b30067208ff9af4416945a2ed" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thread_local v0.3.2
[INFO] [stderr]   Downloaded backtrace v0.3.0
[INFO] [stderr]   Downloaded maplit v0.1.4
[INFO] [stderr]   Downloaded backtrace-sys v0.1.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+9e297bf54d31eb3b30067208ff9af4416945a2ed" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b59fd7099fbbeab7b060e7c7c3cd549be3ed1c3f657da2003e0f351743879e3b
[INFO] running `Command { std: "docker" "start" "-a" "b59fd7099fbbeab7b060e7c7c3cd549be3ed1c3f657da2003e0f351743879e3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b59fd7099fbbeab7b060e7c7c3cd549be3ed1c3f657da2003e0f351743879e3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b59fd7099fbbeab7b060e7c7c3cd549be3ed1c3f657da2003e0f351743879e3b", kill_on_drop: false }`
[INFO] [stdout] b59fd7099fbbeab7b060e7c7c3cd549be3ed1c3f657da2003e0f351743879e3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+9e297bf54d31eb3b30067208ff9af4416945a2ed" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b47d31f8b8e1391e59b36673ce1d03c7fb3799c1ca02ab4042c05a009140c78a
[INFO] running `Command { std: "docker" "start" "-a" "b47d31f8b8e1391e59b36673ce1d03c7fb3799c1ca02ab4042c05a009140c78a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.20
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling gcc v0.3.43
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling backtrace v0.3.0
[INFO] [stderr]    Compiling cfg-if v0.1.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.3
[INFO] [stderr]    Compiling unicode-width v0.1.4
[INFO] [stderr]    Compiling ansi_term v0.9.0
[INFO] [stderr]    Compiling same-file v0.1.3
[INFO] [stderr]    Compiling unicode-segmentation v1.1.0
[INFO] [stderr]    Compiling strsim v0.6.0
[INFO] [stderr]    Compiling regex-syntax v0.4.0
[INFO] [stderr]    Compiling vec_map v0.6.0
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling unreachable v0.1.1
[INFO] [stderr]    Compiling utf8-ranges v1.0.0
[INFO] [stderr]    Compiling maplit v0.1.4
[INFO] [stderr]    Compiling walkdir v1.0.7
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling thread-id v3.0.0
[INFO] [stderr]    Compiling memchr v1.0.1
[INFO] [stderr]    Compiling term_size v0.2.2
[INFO] [stderr]    Compiling thread_local v0.3.2
[INFO] [stderr]    Compiling clap v2.20.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.7
[INFO] [stderr]    Compiling aho-corasick v0.6.2
[INFO] [stderr]    Compiling regex v0.2.1
[INFO] [stderr]    Compiling error-chain v0.9.0
[INFO] [stderr]    Compiling replace v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/main.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/types.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | /// Library Error and Result types
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/types.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | / error_chain! {
[INFO] [stdout] 14 | |     types {
[INFO] [stdout] 15 | |         Error, ErrorKind, ResultExt, Result;
[INFO] [stdout] 16 | |     }
[INFO] [stdout] ...  |
[INFO] [stdout] 37 | |     }
[INFO] [stdout] 38 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `error_chain_processed` which comes from the expansion of the macro `error_chain` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/types.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | / error_chain! {
[INFO] [stdout] 14 | |     types {
[INFO] [stdout] 15 | |         Error, ErrorKind, ResultExt, Result;
[INFO] [stdout] 16 | |     }
[INFO] [stdout] ...  |
[INFO] [stdout] 37 | |     }
[INFO] [stdout] 38 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `error_chain_processed` which comes from the expansion of the macro `error_chain` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `g`
[INFO] [stdout]   --> src/replace.rs:86:32
[INFO] [stdout]    |
[INFO] [stdout] 86 |             &Groups::Named(ref g) => panic!(),
[INFO] [stdout]    |                                ^ help: if this is intentional, prefix it with an underscore: `_g`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `do_replace` is never used
[INFO] [stdout]    --> src/replace.rs:106:4
[INFO] [stdout]     |
[INFO] [stdout] 106 | fn do_replace(c: &Cmd, d: &[u8]) -> String {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Named` is never constructed
[INFO] [stdout]   --> src/types.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub enum Groups<'a> {
[INFO] [stdout]    |          ------ variant in this enum
[INFO] [stdout] 51 |     Named(NamedGroups<'a>),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Groups` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.53s
[INFO] running `Command { std: "docker" "inspect" "b47d31f8b8e1391e59b36673ce1d03c7fb3799c1ca02ab4042c05a009140c78a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b47d31f8b8e1391e59b36673ce1d03c7fb3799c1ca02ab4042c05a009140c78a", kill_on_drop: false }`
[INFO] [stdout] b47d31f8b8e1391e59b36673ce1d03c7fb3799c1ca02ab4042c05a009140c78a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+9e297bf54d31eb3b30067208ff9af4416945a2ed" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 995d648ee534d658de16df3220bcfaa32cd99ff81a9fec83de3921eaac9e051e
[INFO] running `Command { std: "docker" "start" "-a" "995d648ee534d658de16df3220bcfaa32cd99ff81a9fec83de3921eaac9e051e", kill_on_drop: false }`
[INFO] [stderr]    Compiling replace v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/types.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | /// Library Error and Result types
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/types.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | / error_chain! {
[INFO] [stdout] 14 | |     types {
[INFO] [stdout] 15 | |         Error, ErrorKind, ResultExt, Result;
[INFO] [stdout] 16 | |     }
[INFO] [stdout] ...  |
[INFO] [stdout] 37 | |     }
[INFO] [stdout] 38 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `error_chain_processed` which comes from the expansion of the macro `error_chain` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/types.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | / error_chain! {
[INFO] [stdout] 14 | |     types {
[INFO] [stdout] 15 | |         Error, ErrorKind, ResultExt, Result;
[INFO] [stdout] 16 | |     }
[INFO] [stdout] ...  |
[INFO] [stdout] 37 | |     }
[INFO] [stdout] 38 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `error_chain_processed` which comes from the expansion of the macro `error_chain` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `g`
[INFO] [stdout]   --> src/replace.rs:86:32
[INFO] [stdout]    |
[INFO] [stdout] 86 |             &Groups::Named(ref g) => panic!(),
[INFO] [stdout]    |                                ^ help: if this is intentional, prefix it with an underscore: `_g`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Named` is never constructed
[INFO] [stdout]   --> src/types.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub enum Groups<'a> {
[INFO] [stdout]    |          ------ variant in this enum
[INFO] [stdout] 51 |     Named(NamedGroups<'a>),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Groups` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/replace.rs:117:34
[INFO] [stdout]     |
[INFO] [stdout] 117 |         let cmd = Cmd::simple(pat.clone(), groups.clone());
[INFO] [stdout]     |                                  ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/replace.rs:128:34
[INFO] [stdout]     |
[INFO] [stdout] 128 |         let cmd = Cmd::simple(pat.clone(), groups);
[INFO] [stdout]     |                                  ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/replace.rs:138:34
[INFO] [stdout]     |
[INFO] [stdout] 138 |         let cmd = Cmd::simple(pat.clone(), groups);
[INFO] [stdout]     |                                  ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/replace.rs:148:34
[INFO] [stdout]     |
[INFO] [stdout] 148 |         let cmd = Cmd::simple(pat.clone(), groups);
[INFO] [stdout]     |                                  ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "995d648ee534d658de16df3220bcfaa32cd99ff81a9fec83de3921eaac9e051e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "995d648ee534d658de16df3220bcfaa32cd99ff81a9fec83de3921eaac9e051e", kill_on_drop: false }`
[INFO] [stdout] 995d648ee534d658de16df3220bcfaa32cd99ff81a9fec83de3921eaac9e051e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+9e297bf54d31eb3b30067208ff9af4416945a2ed" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 462bae0fb7f5bfde16de0ebee5dcb3c1e39dcf89cf69d5c8ace1d0ef36dd0af2
[INFO] running `Command { std: "docker" "start" "-a" "462bae0fb7f5bfde16de0ebee5dcb3c1e39dcf89cf69d5c8ace1d0ef36dd0af2", kill_on_drop: false }`
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/types.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | /// Library Error and Result types
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stderr]    |
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/types.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | / error_chain! {
[INFO] [stderr] 14 | |     types {
[INFO] [stderr] 15 | |         Error, ErrorKind, ResultExt, Result;
[INFO] [stderr] 16 | |     }
[INFO] [stderr] ...  |
[INFO] [stderr] 37 | |     }
[INFO] [stderr] 38 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in the macro `error_chain_processed` which comes from the expansion of the macro `error_chain` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/types.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | / error_chain! {
[INFO] [stderr] 14 | |     types {
[INFO] [stderr] 15 | |         Error, ErrorKind, ResultExt, Result;
[INFO] [stderr] 16 | |     }
[INFO] [stderr] ...  |
[INFO] [stderr] 37 | |     }
[INFO] [stderr] 38 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `error_chain_processed` which comes from the expansion of the macro `error_chain` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `g`
[INFO] [stderr]   --> src/replace.rs:86:32
[INFO] [stderr]    |
[INFO] [stderr] 86 |             &Groups::Named(ref g) => panic!(),
[INFO] [stderr]    |                                ^ help: if this is intentional, prefix it with an underscore: `_g`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `Named` is never constructed
[INFO] [stderr]   --> src/types.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 50 | pub enum Groups<'a> {
[INFO] [stderr]    |          ------ variant in this enum
[INFO] [stderr] 51 |     Named(NamedGroups<'a>),
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Groups` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stderr]    --> src/replace.rs:117:34
[INFO] [stderr]     |
[INFO] [stderr] 117 |         let cmd = Cmd::simple(pat.clone(), groups.clone());
[INFO] [stderr]     |                                  ^^^^^^^^ help: remove this redundant call
[INFO] [stderr]     |
[INFO] [stderr]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stderr]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stderr]    --> src/replace.rs:128:34
[INFO] [stderr]     |
[INFO] [stderr] 128 |         let cmd = Cmd::simple(pat.clone(), groups);
[INFO] [stderr]     |                                  ^^^^^^^^ help: remove this redundant call
[INFO] [stderr]     |
[INFO] [stderr]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stderr] 
[INFO] [stderr] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stderr]    --> src/replace.rs:138:34
[INFO] [stderr]     |
[INFO] [stderr] 138 |         let cmd = Cmd::simple(pat.clone(), groups);
[INFO] [stderr]     |                                  ^^^^^^^^ help: remove this redundant call
[INFO] [stderr]     |
[INFO] [stderr]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stderr] 
[INFO] [stderr] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stderr]    --> src/replace.rs:148:34
[INFO] [stderr]     |
[INFO] [stderr] 148 |         let cmd = Cmd::simple(pat.clone(), groups);
[INFO] [stderr]     |                                  ^^^^^^^^ help: remove this redundant call
[INFO] [stderr]     |
[INFO] [stderr]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stderr] 
[INFO] [stderr] warning: `replace` (bin "replace" test) generated 9 warnings (run `cargo fix --bin "replace" --tests` to apply 4 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/replace-f0d5e2204902c284)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test replace::test_replace ... ok
[INFO] [stdout] test cmd::test_parse ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "462bae0fb7f5bfde16de0ebee5dcb3c1e39dcf89cf69d5c8ace1d0ef36dd0af2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "462bae0fb7f5bfde16de0ebee5dcb3c1e39dcf89cf69d5c8ace1d0ef36dd0af2", kill_on_drop: false }`
[INFO] [stdout] 462bae0fb7f5bfde16de0ebee5dcb3c1e39dcf89cf69d5c8ace1d0ef36dd0af2