[INFO] fetching crate sedregex 0.2.5...
[INFO] building sedregex-0.2.5 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate sedregex 0.2.5 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate sedregex 0.2.5
[INFO] finished tweaking crates.io crate sedregex 0.2.5
[INFO] tweaked toml for crates.io crate sedregex 0.2.5 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sedregex 0.2.5 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 5 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b49484fdc62c4421c3926ba52fd3b101498e479fd9a452b15a8dca28865e87e9
[INFO] running `Command { std: "docker" "start" "-a" "b49484fdc62c4421c3926ba52fd3b101498e479fd9a452b15a8dca28865e87e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b49484fdc62c4421c3926ba52fd3b101498e479fd9a452b15a8dca28865e87e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b49484fdc62c4421c3926ba52fd3b101498e479fd9a452b15a8dca28865e87e9", kill_on_drop: false }`
[INFO] [stdout] b49484fdc62c4421c3926ba52fd3b101498e479fd9a452b15a8dca28865e87e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df0422abf8b483a5dbe22916b90499b0f6f76cb0b72f8fe8e302736c7ec9ab74
[INFO] running `Command { std: "docker" "start" "-a" "df0422abf8b483a5dbe22916b90499b0f6f76cb0b72f8fe8e302736c7ec9ab74", kill_on_drop: false }`
[INFO] [stderr]    Compiling sedregex v0.2.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/splitting_iter.rs:14:25
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn split_escape(string: &str, begin: usize) -> (Cow<str>, usize) {
[INFO] [stdout]    |                         ^^^^                    ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         the lifetime is elided 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: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn split_escape(string: &str, begin: usize) -> (Cow<'_, str>, usize) {
[INFO] [stdout]    |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:165:34
[INFO] [stdout]     |
[INFO] [stdout] 165 | pub fn find_and_replace<I>(text: &str, commands: I) -> Result<Cow<str>, ErrorKind>
[INFO] [stdout]     |                                  ^^^^                         ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                  |
[INFO] [stdout]     |                                  the 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: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 165 | pub fn find_and_replace<I>(text: &str, commands: I) -> Result<Cow<'_, str>, ErrorKind>
[INFO] [stdout]     |                                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "df0422abf8b483a5dbe22916b90499b0f6f76cb0b72f8fe8e302736c7ec9ab74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df0422abf8b483a5dbe22916b90499b0f6f76cb0b72f8fe8e302736c7ec9ab74", kill_on_drop: false }`
[INFO] [stdout] df0422abf8b483a5dbe22916b90499b0f6f76cb0b72f8fe8e302736c7ec9ab74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 76bf09bf9aef10eda07bc1a6648581d58b02320aa167df2c7b2058706a93152b
[INFO] running `Command { std: "docker" "start" "-a" "76bf09bf9aef10eda07bc1a6648581d58b02320aa167df2c7b2058706a93152b", kill_on_drop: false }`
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/splitting_iter.rs:14:25
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn split_escape(string: &str, begin: usize) -> (Cow<str>, usize) {
[INFO] [stdout]    |                         ^^^^                    ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         the lifetime is elided 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: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn split_escape(string: &str, begin: usize) -> (Cow<'_, str>, usize) {
[INFO] [stdout]    |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:165:34
[INFO] [stdout]     |
[INFO] [stdout] 165 | pub fn find_and_replace<I>(text: &str, commands: I) -> Result<Cow<str>, ErrorKind>
[INFO] [stdout]     |                                  ^^^^                         ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                  |
[INFO] [stdout]     |                                  the 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: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 165 | pub fn find_and_replace<I>(text: &str, commands: I) -> Result<Cow<'_, str>, ErrorKind>
[INFO] [stdout]     |                                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling sedregex v0.2.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:165:34
[INFO] [stdout]     |
[INFO] [stdout] 165 | pub fn find_and_replace<I>(text: &str, commands: I) -> Result<Cow<str>, ErrorKind>
[INFO] [stdout]     |                                  ^^^^                         ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                  |
[INFO] [stdout]     |                                  the lifetime is elided 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: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 165 | pub fn find_and_replace<I>(text: &str, commands: I) -> Result<Cow<'_, str>, ErrorKind>
[INFO] [stdout]     |                                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/splitting_iter.rs:14:25
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn split_escape(string: &str, begin: usize) -> (Cow<str>, usize) {
[INFO] [stdout]    |                         ^^^^                    ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         the 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: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn split_escape(string: &str, begin: usize) -> (Cow<'_, str>, usize) {
[INFO] [stdout]    |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.56s
[INFO] running `Command { std: "docker" "inspect" "76bf09bf9aef10eda07bc1a6648581d58b02320aa167df2c7b2058706a93152b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76bf09bf9aef10eda07bc1a6648581d58b02320aa167df2c7b2058706a93152b", kill_on_drop: false }`
[INFO] [stdout] 76bf09bf9aef10eda07bc1a6648581d58b02320aa167df2c7b2058706a93152b