[INFO] fetching crate similar 2.7.0...
[INFO] building similar-2.7.0 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate similar 2.7.0 into /workspace/builds/worker-5-tc1/source
[INFO] removed /workspace/builds/worker-5-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate similar 2.7.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate similar 2.7.0
[INFO] tweaked toml for crates.io crate similar 2.7.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate similar 2.7.0 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate similar 2.7.0 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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded similar v2.2.1
[INFO] [stderr]   Downloaded memchr v2.6.0
[INFO] [stderr]   Downloaded bstr v1.5.0
[INFO] [stderr]   Downloaded insta v1.31.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b009264701fb8666d2d236993db1503f7ea7608a6c9eeec909fbae60070e775
[INFO] running `Command { std: "docker" "start" "-a" "5b009264701fb8666d2d236993db1503f7ea7608a6c9eeec909fbae60070e775", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b009264701fb8666d2d236993db1503f7ea7608a6c9eeec909fbae60070e775", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b009264701fb8666d2d236993db1503f7ea7608a6c9eeec909fbae60070e775", kill_on_drop: false }`
[INFO] [stdout] 5b009264701fb8666d2d236993db1503f7ea7608a6c9eeec909fbae60070e775
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 916f3c8d1e22a9958e07f83087ab165703dffaf5a65b3c1f39791364e91246fe
[INFO] running `Command { std: "docker" "start" "-a" "916f3c8d1e22a9958e07f83087ab165703dffaf5a65b3c1f39791364e91246fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling similar v2.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/algorithms/utils.rs:68:28
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub fn unique<Idx>(lookup: &Idx, range: Range<usize>) -> Vec<UniqueItem<Idx>>
[INFO] [stdout]    |                            ^^^^ the lifetime is elided here  ^^^^^^^^^^^^^^^ the same lifetime is hidden 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] 68 | pub fn unique<Idx>(lookup: &Idx, range: Range<usize>) -> Vec<UniqueItem<'_, Idx>>
[INFO] [stdout]    |                                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.65s
[INFO] running `Command { std: "docker" "inspect" "916f3c8d1e22a9958e07f83087ab165703dffaf5a65b3c1f39791364e91246fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "916f3c8d1e22a9958e07f83087ab165703dffaf5a65b3c1f39791364e91246fe", kill_on_drop: false }`
[INFO] [stdout] 916f3c8d1e22a9958e07f83087ab165703dffaf5a65b3c1f39791364e91246fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b4a7f04b7da5cfa0b2b9f09dfc103f846f7d3b8e15fdd01259836ce095f56ced
[INFO] running `Command { std: "docker" "start" "-a" "b4a7f04b7da5cfa0b2b9f09dfc103f846f7d3b8e15fdd01259836ce095f56ced", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling unicode-width v0.1.10
[INFO] [stderr]    Compiling linked-hash-map v0.5.6
[INFO] [stderr]    Compiling similar v2.2.1
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/algorithms/utils.rs:68:28
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub fn unique<Idx>(lookup: &Idx, range: Range<usize>) -> Vec<UniqueItem<Idx>>
[INFO] [stdout]    |                            ^^^^ the lifetime is elided here  ^^^^^^^^^^^^^^^ the same lifetime is hidden 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] 68 | pub fn unique<Idx>(lookup: &Idx, range: Range<usize>) -> Vec<UniqueItem<'_, Idx>>
[INFO] [stdout]    |                                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling console v0.15.7
[INFO] [stderr]    Compiling insta v1.31.0
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]    Compiling similar v2.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/algorithms/utils.rs:68:28
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub fn unique<Idx>(lookup: &Idx, range: Range<usize>) -> Vec<UniqueItem<Idx>>
[INFO] [stdout]    |                            ^^^^ the lifetime is elided here  ^^^^^^^^^^^^^^^ the same lifetime is hidden 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] 68 | pub fn unique<Idx>(lookup: &Idx, range: Range<usize>) -> Vec<UniqueItem<'_, Idx>>
[INFO] [stdout]    |                                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 15.90s
[INFO] running `Command { std: "docker" "inspect" "b4a7f04b7da5cfa0b2b9f09dfc103f846f7d3b8e15fdd01259836ce095f56ced", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4a7f04b7da5cfa0b2b9f09dfc103f846f7d3b8e15fdd01259836ce095f56ced", kill_on_drop: false }`
[INFO] [stdout] b4a7f04b7da5cfa0b2b9f09dfc103f846f7d3b8e15fdd01259836ce095f56ced
