[INFO] fetching crate algorithms-edu 0.2.7... [INFO] checking algorithms-edu-0.2.7 against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3 [INFO] extracting crate algorithms-edu 0.2.7 into /workspace/builds/worker-1-tc2/source [INFO] started tweaking crates.io crate algorithms-edu 0.2.7 [INFO] finished tweaking crates.io crate algorithms-edu 0.2.7 [INFO] tweaked toml for crates.io crate algorithms-edu 0.2.7 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate algorithms-edu 0.2.7 on toolchain b1f2594eac607c1f051534800237eeedb5590a49 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate algorithms-edu 0.2.7 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" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d174d59a11500cc3785d77efda8663b334daa0d3443047ff5b49454badd2682d [INFO] running `Command { std: "docker" "start" "-a" "d174d59a11500cc3785d77efda8663b334daa0d3443047ff5b49454badd2682d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d174d59a11500cc3785d77efda8663b334daa0d3443047ff5b49454badd2682d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d174d59a11500cc3785d77efda8663b334daa0d3443047ff5b49454badd2682d", kill_on_drop: false }` [INFO] [stdout] d174d59a11500cc3785d77efda8663b334daa0d3443047ff5b49454badd2682d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c80299a02cdfe7351c565744a8aefaf01123df00c0cf50090323e601bc74d798 [INFO] running `Command { std: "docker" "start" "-a" "c80299a02cdfe7351c565744a8aefaf01123df00c0cf50090323e601bc74d798", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.81 [INFO] [stderr] Compiling getrandom v0.1.15 [INFO] [stderr] Compiling priority-queue v1.0.5 [INFO] [stderr] Checking disjoint-sets v0.4.2 [INFO] [stderr] Checking partial-min-max v0.4.0 [INFO] [stderr] Checking kodama v0.2.3 [INFO] [stderr] Checking ordered-float v2.0.1 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking algorithms-edu v0.2.7 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/algo/graph/eulerian_path.rs:81:10 [INFO] [stdout] | [INFO] [stdout] 81 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/algo/graph/eulerian_path.rs:81:10 [INFO] [stdout] | [INFO] [stdout] 81 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/data_structures/balanced_tree/avl_tree.rs:329:17 [INFO] [stdout] | [INFO] [stdout] 329 | pub fn iter(&self) -> AvlIter { [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] 329 | pub fn iter(&self) -> AvlIter<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.63s [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/data_structures/balanced_tree/avl_tree.rs:329:17 [INFO] [stdout] | [INFO] [stdout] 329 | pub fn iter(&self) -> AvlIter { [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] 329 | pub fn iter(&self) -> AvlIter<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "c80299a02cdfe7351c565744a8aefaf01123df00c0cf50090323e601bc74d798", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c80299a02cdfe7351c565744a8aefaf01123df00c0cf50090323e601bc74d798", kill_on_drop: false }` [INFO] [stdout] c80299a02cdfe7351c565744a8aefaf01123df00c0cf50090323e601bc74d798