[INFO] fetching crate crawdad 0.4.0... [INFO] checking crawdad-0.4.0 against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577 [INFO] extracting crate crawdad 0.4.0 into /workspace/builds/worker-4-tc1/source [INFO] started tweaking crates.io crate crawdad 0.4.0 [INFO] finished tweaking crates.io crate crawdad 0.4.0 [INFO] tweaked toml for crates.io crate crawdad 0.4.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate crawdad 0.4.0 on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5fea5182467935e8f45075dd6d128441bace3b4df01bdd7cdfef677da1b07902 [INFO] running `Command { std: "docker" "start" "-a" "5fea5182467935e8f45075dd6d128441bace3b4df01bdd7cdfef677da1b07902", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5fea5182467935e8f45075dd6d128441bace3b4df01bdd7cdfef677da1b07902", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5fea5182467935e8f45075dd6d128441bace3b4df01bdd7cdfef677da1b07902", kill_on_drop: false }` [INFO] [stdout] 5fea5182467935e8f45075dd6d128441bace3b4df01bdd7cdfef677da1b07902 [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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fe4fae0aadb2f654c0bfec33bf85438b0d2ec573ff190df37313d79e9b08eff5 [INFO] running `Command { std: "docker" "start" "-a" "fe4fae0aadb2f654c0bfec33bf85438b0d2ec573ff190df37313d79e9b08eff5", kill_on_drop: false }` [INFO] [stderr] Checking crawdad v0.4.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/mptrie.rs:264:42 [INFO] [stdout] | [INFO] [stdout] 264 | pub const fn common_prefix_search(&self, haystack: I) -> CommonPrefixSearchIter { [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] 264 | pub const fn common_prefix_search(&self, haystack: I) -> CommonPrefixSearchIter<'_, I> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/mptrie.rs:274:18 [INFO] [stdout] | [INFO] [stdout] 274 | fn tail_iter(&self, tail_pos: usize) -> TailIter { [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] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 274 | fn tail_iter(&self, tail_pos: usize) -> TailIter<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/trie.rs:220:42 [INFO] [stdout] | [INFO] [stdout] 220 | pub const fn common_prefix_search(&self, haystack: I) -> CommonPrefixSearchIter { [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] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 220 | pub const fn common_prefix_search(&self, haystack: I) -> CommonPrefixSearchIter<'_, I> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/mptrie.rs:264:42 [INFO] [stdout] | [INFO] [stdout] 264 | pub const fn common_prefix_search(&self, haystack: I) -> CommonPrefixSearchIter { [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] 264 | pub const fn common_prefix_search(&self, haystack: I) -> CommonPrefixSearchIter<'_, I> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/mptrie.rs:274:18 [INFO] [stdout] | [INFO] [stdout] 274 | fn tail_iter(&self, tail_pos: usize) -> TailIter { [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] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 274 | fn tail_iter(&self, tail_pos: usize) -> TailIter<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/trie.rs:220:42 [INFO] [stdout] | [INFO] [stdout] 220 | pub const fn common_prefix_search(&self, haystack: I) -> CommonPrefixSearchIter { [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] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 220 | pub const fn common_prefix_search(&self, haystack: I) -> CommonPrefixSearchIter<'_, I> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.48s [INFO] running `Command { std: "docker" "inspect" "fe4fae0aadb2f654c0bfec33bf85438b0d2ec573ff190df37313d79e9b08eff5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fe4fae0aadb2f654c0bfec33bf85438b0d2ec573ff190df37313d79e9b08eff5", kill_on_drop: false }` [INFO] [stdout] fe4fae0aadb2f654c0bfec33bf85438b0d2ec573ff190df37313d79e9b08eff5