[INFO] fetching crate demes-forward 0.5.0...
[INFO] checking demes-forward-0.5.0 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate demes-forward 0.5.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate demes-forward 0.5.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate demes-forward 0.5.0
[INFO] tweaked toml for crates.io crate demes-forward 0.5.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate demes-forward 0.5.0 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate demes-forward 0.5.0 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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e47c36741bffe3d1b0d57b0f964df638c576a7a5c5ac2faa7db24492c8acc558
[INFO] running `Command { std: "docker" "start" "-a" "e47c36741bffe3d1b0d57b0f964df638c576a7a5c5ac2faa7db24492c8acc558", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e47c36741bffe3d1b0d57b0f964df638c576a7a5c5ac2faa7db24492c8acc558", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e47c36741bffe3d1b0d57b0f964df638c576a7a5c5ac2faa7db24492c8acc558", kill_on_drop: false }`
[INFO] [stdout] e47c36741bffe3d1b0d57b0f964df638c576a7a5c5ac2faa7db24492c8acc558
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f9cd5b6a9cb3ed05fa1af79c660f5a877de878ef6a67dd91093cb82d417d91e
[INFO] running `Command { std: "docker" "start" "-a" "2f9cd5b6a9cb3ed05fa1af79c660f5a877de878ef6a67dd91093cb82d417d91e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.74
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking regex-syntax v0.7.5
[INFO] [stderr]    Compiling thiserror v1.0.57
[INFO] [stderr]     Checking unsafe-libyaml v0.2.10
[INFO] [stderr]    Compiling demes v0.6.0
[INFO] [stderr]    Compiling anyhow v1.0.80
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking regex-automata v0.3.9
[INFO] [stderr]    Compiling syn v2.0.46
[INFO] [stderr]     Checking regex v1.9.6
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling thiserror-impl v1.0.57
[INFO] [stderr]     Checking serde_yaml v0.9.21
[INFO] [stderr]     Checking demes-forward v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/graph.rs:589:36
[INFO] [stdout]     |
[INFO] [stdout] 589 |     fn get_slice_if<'a, T: Sized>(&'a self, generation: Generation, s: &'a [T]) -> Option<&[T]> {
[INFO] [stdout]     |                                    ^^                                   ^^                ---- the same lifetime is elided here
[INFO] [stdout]     |                                    |                                    |
[INFO] [stdout]     |                                    the lifetime is named here           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] 589 |     fn get_slice_if<'a, T: Sized>(&'a self, generation: Generation, s: &'a [T]) -> Option<&'a [T]> {
[INFO] [stdout]     |                                                                                            ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/graph.rs:589:36
[INFO] [stdout]     |
[INFO] [stdout] 589 |     fn get_slice_if<'a, T: Sized>(&'a self, generation: Generation, s: &'a [T]) -> Option<&[T]> {
[INFO] [stdout]     |                                    ^^                                   ^^                ---- the same lifetime is elided here
[INFO] [stdout]     |                                    |                                    |
[INFO] [stdout]     |                                    the lifetime is named here           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] 589 |     fn get_slice_if<'a, T: Sized>(&'a self, generation: Generation, s: &'a [T]) -> Option<&'a [T]> {
[INFO] [stdout]     |                                                                                            ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.86s
[INFO] running `Command { std: "docker" "inspect" "2f9cd5b6a9cb3ed05fa1af79c660f5a877de878ef6a67dd91093cb82d417d91e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f9cd5b6a9cb3ed05fa1af79c660f5a877de878ef6a67dd91093cb82d417d91e", kill_on_drop: false }`
[INFO] [stdout] 2f9cd5b6a9cb3ed05fa1af79c660f5a877de878ef6a67dd91093cb82d417d91e