[INFO] fetching crate mairs 0.1.6...
[INFO] testing mairs-0.1.6 against 1.90.0 for beta-1.91-3
[INFO] extracting crate mairs 0.1.6 into /workspace/builds/worker-1-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-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mairs 0.1.6 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5794eeba3c31668fe5b52652c6e0c94652d52d0382d452305464ed8a40a728e6
[INFO] running `Command { std: "docker" "start" "-a" "5794eeba3c31668fe5b52652c6e0c94652d52d0382d452305464ed8a40a728e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5794eeba3c31668fe5b52652c6e0c94652d52d0382d452305464ed8a40a728e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5794eeba3c31668fe5b52652c6e0c94652d52d0382d452305464ed8a40a728e6", kill_on_drop: false }`
[INFO] [stdout] 5794eeba3c31668fe5b52652c6e0c94652d52d0382d452305464ed8a40a728e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ff5da6194c0a9d53c7665aa72c8ceae6ddb4581392aca649c0149f5d83eb252
[INFO] running `Command { std: "docker" "start" "-a" "7ff5da6194c0a9d53c7665aa72c8ceae6ddb4581392aca649c0149f5d83eb252", 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:286:22
[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 0.72s
[INFO] running `Command { std: "docker" "inspect" "7ff5da6194c0a9d53c7665aa72c8ceae6ddb4581392aca649c0149f5d83eb252", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ff5da6194c0a9d53c7665aa72c8ceae6ddb4581392aca649c0149f5d83eb252", kill_on_drop: false }`
[INFO] [stdout] 7ff5da6194c0a9d53c7665aa72c8ceae6ddb4581392aca649c0149f5d83eb252
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 49d5a2f1bb18b1f5aeeaa7ac5ddb201eb42f07e9801b31de292e73917ad4f967
[INFO] running `Command { std: "docker" "start" "-a" "49d5a2f1bb18b1f5aeeaa7ac5ddb201eb42f07e9801b31de292e73917ad4f967", 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:286:22
[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 0.38s
[INFO] running `Command { std: "docker" "inspect" "49d5a2f1bb18b1f5aeeaa7ac5ddb201eb42f07e9801b31de292e73917ad4f967", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49d5a2f1bb18b1f5aeeaa7ac5ddb201eb42f07e9801b31de292e73917ad4f967", kill_on_drop: false }`
[INFO] [stdout] 49d5a2f1bb18b1f5aeeaa7ac5ddb201eb42f07e9801b31de292e73917ad4f967
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] da0ea53e8a25e9154410a5e29b98746248a30492e6ddd4e0b7be1673c2d26e43
[INFO] running `Command { std: "docker" "start" "-a" "da0ea53e8a25e9154410a5e29b98746248a30492e6ddd4e0b7be1673c2d26e43", kill_on_drop: false }`
[INFO] [stderr] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:286:22
[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
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mairs-246b3d49073e3bc7)
[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" "da0ea53e8a25e9154410a5e29b98746248a30492e6ddd4e0b7be1673c2d26e43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da0ea53e8a25e9154410a5e29b98746248a30492e6ddd4e0b7be1673c2d26e43", kill_on_drop: false }`
[INFO] [stdout] da0ea53e8a25e9154410a5e29b98746248a30492e6ddd4e0b7be1673c2d26e43