[INFO] fetching crate regex_captures 0.2.0...
[INFO] building regex_captures-0.2.0 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate regex_captures 0.2.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate regex_captures 0.2.0
[INFO] finished tweaking crates.io crate regex_captures 0.2.0
[INFO] tweaked toml for crates.io crate regex_captures 0.2.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate regex_captures 0.2.0 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate regex_captures 0.2.0 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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a0a3809b7d138ab2409a2d9b5c9eb50a9bcfd075124042352e1f324f1e0c26f9
[INFO] running `Command { std: "docker" "start" "-a" "a0a3809b7d138ab2409a2d9b5c9eb50a9bcfd075124042352e1f324f1e0c26f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0a3809b7d138ab2409a2d9b5c9eb50a9bcfd075124042352e1f324f1e0c26f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0a3809b7d138ab2409a2d9b5c9eb50a9bcfd075124042352e1f324f1e0c26f9", kill_on_drop: false }`
[INFO] [stdout] a0a3809b7d138ab2409a2d9b5c9eb50a9bcfd075124042352e1f324f1e0c26f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e0d3973a93194760bc59833805ca6e2dd7e74606e6f3bfc190bf44e4aabeab2
[INFO] running `Command { std: "docker" "start" "-a" "8e0d3973a93194760bc59833805ca6e2dd7e74606e6f3bfc190bf44e4aabeab2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling memchr v2.6.3
[INFO] [stderr]    Compiling regex-syntax v0.7.5
[INFO] [stderr]    Compiling thiserror v1.0.48
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling aho-corasick v1.0.5
[INFO] [stderr]    Compiling syn v2.0.35
[INFO] [stderr]    Compiling regex-automata v0.3.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.48
[INFO] [stderr]    Compiling regex v1.9.5
[INFO] [stderr]    Compiling regex_captures v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:105:56
[INFO] [stdout]     |
[INFO] [stdout] 105 |     fn get_numeric_group(&'a self, n: usize) -> Result<&str> {
[INFO] [stdout]     |                           --                           ^^^^ the same lifetime is elided here
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 105 |     fn get_numeric_group(&'a self, n: usize) -> Result<&'a str> {
[INFO] [stdout]     |                                                         ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:113:60
[INFO] [stdout]     |
[INFO] [stdout] 113 |     fn get_named_group<'b>(&'a self, n: &'b str) -> Result<&str> {
[INFO] [stdout]     |                             -- the lifetime is named here  ^^^^ the same lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 113 |     fn get_named_group<'b>(&'a self, n: &'b str) -> Result<&'a str> {
[INFO] [stdout]     |                                                             ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.02s
[INFO] running `Command { std: "docker" "inspect" "8e0d3973a93194760bc59833805ca6e2dd7e74606e6f3bfc190bf44e4aabeab2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e0d3973a93194760bc59833805ca6e2dd7e74606e6f3bfc190bf44e4aabeab2", kill_on_drop: false }`
[INFO] [stdout] 8e0d3973a93194760bc59833805ca6e2dd7e74606e6f3bfc190bf44e4aabeab2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 99a793d3d9febb5c127b6fa8eb0d9ec859518b3b859045f6c207669b4c1ca1ff
[INFO] running `Command { std: "docker" "start" "-a" "99a793d3d9febb5c127b6fa8eb0d9ec859518b3b859045f6c207669b4c1ca1ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.35
[INFO] [stderr]    Compiling thiserror-impl v1.0.48
[INFO] [stderr]    Compiling lazy-regex-proc_macros v3.0.1
[INFO] [stderr]    Compiling lazy-regex v3.0.2
[INFO] [stderr]    Compiling thiserror v1.0.48
[INFO] [stderr]    Compiling regex_captures v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:105:56
[INFO] [stdout]     |
[INFO] [stdout] 105 |     fn get_numeric_group(&'a self, n: usize) -> Result<&str> {
[INFO] [stdout]     |                           --                           ^^^^ the same lifetime is elided here
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 105 |     fn get_numeric_group(&'a self, n: usize) -> Result<&'a str> {
[INFO] [stdout]     |                                                         ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:105:56
[INFO] [stdout]     |
[INFO] [stdout] 105 |     fn get_numeric_group(&'a self, n: usize) -> Result<&str> {
[INFO] [stdout]     |                           --                           ^^^^ the same lifetime is elided here
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 105 |     fn get_numeric_group(&'a self, n: usize) -> Result<&'a str> {
[INFO] [stdout]     |                                                         ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:113:60
[INFO] [stdout]     |
[INFO] [stdout] 113 |     fn get_named_group<'b>(&'a self, n: &'b str) -> Result<&str> {
[INFO] [stdout]     |                             -- the lifetime is named here  ^^^^ the same lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 113 |     fn get_named_group<'b>(&'a self, n: &'b str) -> Result<&'a str> {
[INFO] [stdout]     |                                                             ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:113:60
[INFO] [stdout]     |
[INFO] [stdout] 113 |     fn get_named_group<'b>(&'a self, n: &'b str) -> Result<&str> {
[INFO] [stdout]     |                             -- the lifetime is named here  ^^^^ the same lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 113 |     fn get_named_group<'b>(&'a self, n: &'b str) -> Result<&'a str> {
[INFO] [stdout]     |                                                             ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.63s
[INFO] running `Command { std: "docker" "inspect" "99a793d3d9febb5c127b6fa8eb0d9ec859518b3b859045f6c207669b4c1ca1ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99a793d3d9febb5c127b6fa8eb0d9ec859518b3b859045f6c207669b4c1ca1ff", kill_on_drop: false }`
[INFO] [stdout] 99a793d3d9febb5c127b6fa8eb0d9ec859518b3b859045f6c207669b4c1ca1ff