[INFO] fetching crate algorithms-edu 0.2.7... [INFO] checking algorithms-edu-0.2.7 against master#0f353363965ebf05e0757f7679c800b39c51a07e for pr-144896 [INFO] extracting crate algorithms-edu 0.2.7 into /workspace/builds/worker-5-tc1/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-5-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate algorithms-edu 0.2.7 on toolchain 0f353363965ebf05e0757f7679c800b39c51a07e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0f353363965ebf05e0757f7679c800b39c51a07e" "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" "+0f353363965ebf05e0757f7679c800b39c51a07e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded priority-queue v1.0.5 [INFO] [stderr] Downloaded partial-min-max v0.4.0 [INFO] [stderr] Downloaded disjoint-sets v0.4.2 [INFO] [stderr] Downloaded kodama v0.2.3 [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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+0f353363965ebf05e0757f7679c800b39c51a07e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a221b4c1781b1b4847606323248c04ee9f84f60060445b89d3df7faa37121670 [INFO] running `Command { std: "docker" "start" "-a" "a221b4c1781b1b4847606323248c04ee9f84f60060445b89d3df7faa37121670", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a221b4c1781b1b4847606323248c04ee9f84f60060445b89d3df7faa37121670", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a221b4c1781b1b4847606323248c04ee9f84f60060445b89d3df7faa37121670", kill_on_drop: false }` [INFO] [stdout] a221b4c1781b1b4847606323248c04ee9f84f60060445b89d3df7faa37121670 [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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+0f353363965ebf05e0757f7679c800b39c51a07e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 224159b72775a01af54578f9ca8b8dc34c63e5420108d23337ae3f2409d9b474 [INFO] running `Command { std: "docker" "start" "-a" "224159b72775a01af54578f9ca8b8dc34c63e5420108d23337ae3f2409d9b474", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling libc v0.2.81 [INFO] [stderr] Compiling getrandom v0.1.15 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking hashbrown v0.9.1 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Checking partial-min-max v0.4.0 [INFO] [stderr] Checking disjoint-sets v0.4.2 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling indexmap v1.6.1 [INFO] [stderr] Compiling priority-queue v1.0.5 [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 kodama v0.2.3 [INFO] [stderr] Checking ordered-float v2.0.1 [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)]` 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)]` 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] [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 3.72s [INFO] running `Command { std: "docker" "inspect" "224159b72775a01af54578f9ca8b8dc34c63e5420108d23337ae3f2409d9b474", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "224159b72775a01af54578f9ca8b8dc34c63e5420108d23337ae3f2409d9b474", kill_on_drop: false }` [INFO] [stdout] 224159b72775a01af54578f9ca8b8dc34c63e5420108d23337ae3f2409d9b474