[INFO] fetching crate ansistr 0.1.1...
[INFO] checking ansistr-0.1.1 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate ansistr 0.1.1 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate ansistr 0.1.1
[INFO] finished tweaking crates.io crate ansistr 0.1.1
[INFO] tweaked toml for crates.io crate ansistr 0.1.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ansistr 0.1.1 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 6 packages to latest compatible versions
[INFO] [stderr]       Adding unicode-width v0.1.14 (available: v0.2.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9b5035545f28d5d17b2828a545f7de66e4170742fde34eb2b43ed4a5138e102a
[INFO] running `Command { std: "docker" "start" "-a" "9b5035545f28d5d17b2828a545f7de66e4170742fde34eb2b43ed4a5138e102a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b5035545f28d5d17b2828a545f7de66e4170742fde34eb2b43ed4a5138e102a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b5035545f28d5d17b2828a545f7de66e4170742fde34eb2b43ed4a5138e102a", kill_on_drop: false }`
[INFO] [stdout] 9b5035545f28d5d17b2828a545f7de66e4170742fde34eb2b43ed4a5138e102a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8055a49349e90eea88b996e433702785f38e4fd2e49192f4341b706490fb8aa5
[INFO] running `Command { std: "docker" "start" "-a" "8055a49349e90eea88b996e433702785f38e4fd2e49192f4341b706490fb8aa5", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]     Checking unicode-width v0.1.14
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking ansistr v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/lib.rs:80:25
[INFO] [stdout]    |
[INFO] [stdout] 80 | fn ansi_pair<'a>(code: &'a str) -> Option<&[&str; 2]> {
[INFO] [stdout]    |                         ^^                ----------
[INFO] [stdout]    |                         |                 | |
[INFO] [stdout]    |                         |                 | the lifetimes get resolved as `'a`
[INFO] [stdout]    |                         |                 the lifetimes get resolved as `'a`
[INFO] [stdout]    |                         this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 80 | fn ansi_pair<'a>(code: &'a str) -> Option<&'a [&'a str; 2]> {
[INFO] [stdout]    |                                            ++   ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/lib.rs:80:25
[INFO] [stdout]    |
[INFO] [stdout] 80 | fn ansi_pair<'a>(code: &'a str) -> Option<&[&str; 2]> {
[INFO] [stdout]    |                         ^^                ----------
[INFO] [stdout]    |                         |                 | |
[INFO] [stdout]    |                         |                 | the lifetimes get resolved as `'a`
[INFO] [stdout]    |                         |                 the lifetimes get resolved as `'a`
[INFO] [stdout]    |                         this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 80 | fn ansi_pair<'a>(code: &'a str) -> Option<&'a [&'a str; 2]> {
[INFO] [stdout]    |                                            ++   ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.40s
[INFO] running `Command { std: "docker" "inspect" "8055a49349e90eea88b996e433702785f38e4fd2e49192f4341b706490fb8aa5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8055a49349e90eea88b996e433702785f38e4fd2e49192f4341b706490fb8aa5", kill_on_drop: false }`
[INFO] [stdout] 8055a49349e90eea88b996e433702785f38e4fd2e49192f4341b706490fb8aa5