[INFO] fetching crate lyndon 0.1.0...
[INFO] testing lyndon-0.1.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate lyndon 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate lyndon 0.1.0
[INFO] finished tweaking crates.io crate lyndon 0.1.0
[INFO] tweaked toml for crates.io crate lyndon 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate lyndon 0.1.0 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] 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-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b9e6cdca905bd5e1407be07d9477f2fc416727075e3d671de826274b13a6ddb3
[INFO] running `Command { std: "docker" "start" "-a" "b9e6cdca905bd5e1407be07d9477f2fc416727075e3d671de826274b13a6ddb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b9e6cdca905bd5e1407be07d9477f2fc416727075e3d671de826274b13a6ddb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9e6cdca905bd5e1407be07d9477f2fc416727075e3d671de826274b13a6ddb3", kill_on_drop: false }`
[INFO] [stdout] b9e6cdca905bd5e1407be07d9477f2fc416727075e3d671de826274b13a6ddb3
[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=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] d068c58bee02bd14920cecd0d10afd0ef53d0d2c87411b2e191ef47d5a60d4b9
[INFO] running `Command { std: "docker" "start" "-a" "d068c58bee02bd14920cecd0d10afd0ef53d0d2c87411b2e191ef47d5a60d4b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling lyndon v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:20:14
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn iter(&mut self) -> LyndonIterator<N, K> { LyndonIterator { lyndon: self } }
[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] 20 |     pub fn iter(&mut self) -> LyndonIterator<'_, N, K> { LyndonIterator { lyndon: self } }
[INFO] [stdout]    |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "d068c58bee02bd14920cecd0d10afd0ef53d0d2c87411b2e191ef47d5a60d4b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d068c58bee02bd14920cecd0d10afd0ef53d0d2c87411b2e191ef47d5a60d4b9", kill_on_drop: false }`
[INFO] [stdout] d068c58bee02bd14920cecd0d10afd0ef53d0d2c87411b2e191ef47d5a60d4b9
[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=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] 3354f41c1e9c03766ab4cdab8c2bd7a23fa4ad0e568ffed13db53199c0d4059c
[INFO] running `Command { std: "docker" "start" "-a" "3354f41c1e9c03766ab4cdab8c2bd7a23fa4ad0e568ffed13db53199c0d4059c", kill_on_drop: false }`
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:20:14
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn iter(&mut self) -> LyndonIterator<N, K> { LyndonIterator { lyndon: self } }
[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] 20 |     pub fn iter(&mut self) -> LyndonIterator<'_, N, K> { LyndonIterator { lyndon: self } }
[INFO] [stdout]    |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling lyndon v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:20:14
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn iter(&mut self) -> LyndonIterator<N, K> { LyndonIterator { lyndon: self } }
[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] 20 |     pub fn iter(&mut self) -> LyndonIterator<'_, N, K> { LyndonIterator { lyndon: self } }
[INFO] [stdout]    |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "3354f41c1e9c03766ab4cdab8c2bd7a23fa4ad0e568ffed13db53199c0d4059c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3354f41c1e9c03766ab4cdab8c2bd7a23fa4ad0e568ffed13db53199c0d4059c", kill_on_drop: false }`
[INFO] [stdout] 3354f41c1e9c03766ab4cdab8c2bd7a23fa4ad0e568ffed13db53199c0d4059c
[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=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] 346f4f3993dc2833b95ab0a2336de8de800e1f29cccfa3e828e5693ee2a72d85
[INFO] running `Command { std: "docker" "start" "-a" "346f4f3993dc2833b95ab0a2336de8de800e1f29cccfa3e828e5693ee2a72d85", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/lib.rs:20:14
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn iter(&mut self) -> LyndonIterator<N, K> { LyndonIterator { lyndon: self } }
[INFO] [stderr]    |                 ^^^^^^^^^     -------------------- the same lifetime is hidden here
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 the lifetime is elided 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: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn iter(&mut self) -> LyndonIterator<'_, N, K> { LyndonIterator { lyndon: self } }
[INFO] [stderr]    |                                              +++
[INFO] [stderr] 
[INFO] [stderr] warning: `lyndon` (lib) generated 1 warning
[INFO] [stderr] warning: `lyndon` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/lyndon-e6e2183db92a91cf)
[INFO] [stderr]    Doc-tests lyndon
[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] [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" "346f4f3993dc2833b95ab0a2336de8de800e1f29cccfa3e828e5693ee2a72d85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "346f4f3993dc2833b95ab0a2336de8de800e1f29cccfa3e828e5693ee2a72d85", kill_on_drop: false }`
[INFO] [stdout] 346f4f3993dc2833b95ab0a2336de8de800e1f29cccfa3e828e5693ee2a72d85