[INFO] fetching crate mairs 0.1.6...
[INFO] testing mairs-0.1.6 against 1.91.0 for beta-1.92-2
[INFO] extracting crate mairs 0.1.6 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate mairs 0.1.6
[INFO] finished tweaking crates.io crate mairs 0.1.6
[INFO] tweaked toml for crates.io crate mairs 0.1.6 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mairs 0.1.6 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "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" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 12 packages to latest compatible versions
[INFO] [stderr]       Adding colored v2.2.0 (available: v3.0.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9a9ea31c7e5f5a1fc4aabb0ec64a49a1379f785d754304e3f6f3a0cbc10f41c6
[INFO] running `Command { std: "docker" "start" "-a" "9a9ea31c7e5f5a1fc4aabb0ec64a49a1379f785d754304e3f6f3a0cbc10f41c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a9ea31c7e5f5a1fc4aabb0ec64a49a1379f785d754304e3f6f3a0cbc10f41c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a9ea31c7e5f5a1fc4aabb0ec64a49a1379f785d754304e3f6f3a0cbc10f41c6", kill_on_drop: false }`
[INFO] [stdout] 9a9ea31c7e5f5a1fc4aabb0ec64a49a1379f785d754304e3f6f3a0cbc10f41c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 179cf2d28f971b5dc5c83830f86a77a5641276c75c38f1d86f50aeb439a0ea18
[INFO] running `Command { std: "docker" "start" "-a" "179cf2d28f971b5dc5c83830f86a77a5641276c75c38f1d86f50aeb439a0ea18", kill_on_drop: false }`
[INFO] [stderr]    Compiling colored v2.2.0
[INFO] [stderr]    Compiling mairs v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]    --> src/lib.rs:323:4
[INFO] [stdout]     |
[INFO] [stdout] 323 | fn main(){
[INFO] [stdout]     |    ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:286:70
[INFO] [stdout]     |
[INFO] [stdout] 286 |    pub fn unite<'a>(&'a self, layers:&'a Vec<&mut Layer>) -> Vec<Vec<&Character>>{
[INFO] [stdout]     |                      --               -- the lifetime is named here  ^^^^^^^^^^ 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] 286 |    pub fn unite<'a>(&'a self, layers:&'a Vec<&mut Layer>) -> Vec<Vec<&'a Character>>{
[INFO] [stdout]     |                                                                       ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "179cf2d28f971b5dc5c83830f86a77a5641276c75c38f1d86f50aeb439a0ea18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "179cf2d28f971b5dc5c83830f86a77a5641276c75c38f1d86f50aeb439a0ea18", kill_on_drop: false }`
[INFO] [stdout] 179cf2d28f971b5dc5c83830f86a77a5641276c75c38f1d86f50aeb439a0ea18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e9239fca7e9ebcec1c3e44e2489eda9f097b5a857cdf0f435c49d70c4e1895b
[INFO] running `Command { std: "docker" "start" "-a" "4e9239fca7e9ebcec1c3e44e2489eda9f097b5a857cdf0f435c49d70c4e1895b", kill_on_drop: false }`
[INFO] [stderr]    Compiling mairs v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:286:70
[INFO] [stdout]     |
[INFO] [stdout] 286 |    pub fn unite<'a>(&'a self, layers:&'a Vec<&mut Layer>) -> Vec<Vec<&Character>>{
[INFO] [stdout]     |                      --               -- the lifetime is named here  ^^^^^^^^^^ 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] 286 |    pub fn unite<'a>(&'a self, layers:&'a Vec<&mut Layer>) -> Vec<Vec<&'a Character>>{
[INFO] [stdout]     |                                                                       ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "4e9239fca7e9ebcec1c3e44e2489eda9f097b5a857cdf0f435c49d70c4e1895b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e9239fca7e9ebcec1c3e44e2489eda9f097b5a857cdf0f435c49d70c4e1895b", kill_on_drop: false }`
[INFO] [stdout] 4e9239fca7e9ebcec1c3e44e2489eda9f097b5a857cdf0f435c49d70c4e1895b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] df658567905b96766144ab6e995889bb15d39066e96bb0383cc7438cc3971599
[INFO] running `Command { std: "docker" "start" "-a" "df658567905b96766144ab6e995889bb15d39066e96bb0383cc7438cc3971599", kill_on_drop: false }`
[INFO] [stderr] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:286:70
[INFO] [stderr]     |
[INFO] [stderr] 286 |    pub fn unite<'a>(&'a self, layers:&'a Vec<&mut Layer>) -> Vec<Vec<&Character>>{
[INFO] [stderr]     |                      --               -- the lifetime is named here  ^^^^^^^^^^ the same lifetime is elided here
[INFO] [stderr]     |                      |
[INFO] [stderr]     |                      the lifetime is named here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: consistently use `'a`
[INFO] [stderr]     |
[INFO] [stderr] 286 |    pub fn unite<'a>(&'a self, layers:&'a Vec<&mut Layer>) -> Vec<Vec<&'a Character>>{
[INFO] [stderr]     |                                                                       ++
[INFO] [stderr] 
[INFO] [stderr] warning: `mairs` (lib test) generated 1 warning (run `cargo fix --lib -p mairs --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mairs-53ba7728c76749ea)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "df658567905b96766144ab6e995889bb15d39066e96bb0383cc7438cc3971599", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df658567905b96766144ab6e995889bb15d39066e96bb0383cc7438cc3971599", kill_on_drop: false }`
[INFO] [stdout] df658567905b96766144ab6e995889bb15d39066e96bb0383cc7438cc3971599
