[INFO] cloning repository https://github.com/dfacoet/lifetimekata
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dfacoet/lifetimekata" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdfacoet%2Flifetimekata", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdfacoet%2Flifetimekata'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 64980d1286908bedc5a062ed759e19fcdd5da628
[INFO] checking dfacoet/lifetimekata against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdfacoet%2Flifetimekata" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/dfacoet/lifetimekata
[INFO] finished tweaking git repo https://github.com/dfacoet/lifetimekata
[INFO] tweaked toml for git repo https://github.com/dfacoet/lifetimekata written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dfacoet/lifetimekata on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/dfacoet/lifetimekata 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded require_lifetimes v0.3.0
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 33c1593762f3e821da82b1298152ec66e05dab328849d86427f7d59401cd52d1
[INFO] running `Command { std: "docker" "start" "-a" "33c1593762f3e821da82b1298152ec66e05dab328849d86427f7d59401cd52d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "33c1593762f3e821da82b1298152ec66e05dab328849d86427f7d59401cd52d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33c1593762f3e821da82b1298152ec66e05dab328849d86427f7d59401cd52d1", kill_on_drop: false }`
[INFO] [stdout] 33c1593762f3e821da82b1298152ec66e05dab328849d86427f7d59401cd52d1
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 97ea9efd37623996a86cb7aed171d50273b1f6886d5f54c95a36bfe6b8daa33b
[INFO] running `Command { std: "docker" "start" "-a" "97ea9efd37623996a86cb7aed171d50273b1f6886d5f54c95a36bfe6b8daa33b", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]     Checking ex07 v0.1.0 (/opt/rustwide/workdir/exercises/07_special_lifetimes/exercise)
[INFO] [stderr]     Checking soln07 v0.1.0 (/opt/rustwide/workdir/exercises/07_special_lifetimes/solutions)
[INFO] [stderr]    Compiling require_lifetimes v0.3.0
[INFO] [stderr]     Checking ex05 v0.1.0 (/opt/rustwide/workdir/exercises/05_lifetimes_on_types/exercise)
[INFO] [stderr]     Checking soln05 v0.1.0 (/opt/rustwide/workdir/exercises/05_lifetimes_on_types/solutions)
[INFO] [stderr]     Checking ex08 v0.1.0 (/opt/rustwide/workdir/exercises/08_finale/exercise)
[INFO] [stderr]     Checking ex03 v0.1.0 (/opt/rustwide/workdir/exercises/03_lifetime_elision/exercise)
[INFO] [stderr]     Checking soln03 v0.1.0 (/opt/rustwide/workdir/exercises/03_lifetime_elision/solutions)
[INFO] [stderr]     Checking soln04 v0.1.0 (/opt/rustwide/workdir/exercises/04_mutable_references_and_containers/solutions)
[INFO] [stderr]     Checking ex02 v0.1.0 (/opt/rustwide/workdir/exercises/02_lifetimes_explained/exercise)
[INFO] [stderr]     Checking soln02 v0.1.0 (/opt/rustwide/workdir/exercises/02_lifetimes_explained/solutions)
[INFO] [stderr]     Checking ex04 v0.1.0 (/opt/rustwide/workdir/exercises/04_mutable_references_and_containers/exercise)
[INFO] [stderr]     Checking soln08 v0.1.0 (/opt/rustwide/workdir/exercises/08_finale/solutions)
[INFO] [stdout] warning: enum `MatcherToken` is never used
[INFO] [stdout]  --> exercises/08_finale/solutions/src/main.rs:4:6
[INFO] [stdout]   |
[INFO] [stdout] 4 | enum MatcherToken<'a> {
[INFO] [stdout]   |      ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Matcher` is never constructed
[INFO] [stdout]   --> exercises/08_finale/solutions/src/main.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct Matcher<'a> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `match_string` are never used
[INFO] [stdout]   --> exercises/08_finale/solutions/src/main.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl<'a> Matcher<'a> {
[INFO] [stdout]    | -------------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 30 |     fn new(text: &'a str) -> Option<Matcher<'a>> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 65 |     fn match_string<'b, 'c>(&'b mut self, string: &'c str) -> Vec<(&'b MatcherToken<'a>, &'c str)> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `MatcherToken` is never used
[INFO] [stdout]  --> exercises/08_finale/exercise/src/main.rs:6:6
[INFO] [stdout]   |
[INFO] [stdout] 6 | enum MatcherToken<'a> {
[INFO] [stdout]   |      ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Matcher` is never constructed
[INFO] [stdout]   --> exercises/08_finale/exercise/src/main.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct Matcher<'a> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `match_string` are never used
[INFO] [stdout]   --> exercises/08_finale/exercise/src/main.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | impl<'a> Matcher<'a> {
[INFO] [stdout]    | -------------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 32 |     fn new(text: &'a str) -> Option<Matcher<'a>> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 85 |     fn match_string<'b>(&'b mut self, string: &'b str) -> Vec<(&'b MatcherToken<'a>, &'b str)> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.86s
[INFO] running `Command { std: "docker" "inspect" "97ea9efd37623996a86cb7aed171d50273b1f6886d5f54c95a36bfe6b8daa33b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97ea9efd37623996a86cb7aed171d50273b1f6886d5f54c95a36bfe6b8daa33b", kill_on_drop: false }`
[INFO] [stdout] 97ea9efd37623996a86cb7aed171d50273b1f6886d5f54c95a36bfe6b8daa33b
