[INFO] fetching crate fibonacii-heap 0.1.2... [INFO] testing fibonacii-heap-0.1.2 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate fibonacii-heap 0.1.2 into /workspace/builds/worker-3-tc2/source [INFO] started tweaking crates.io crate fibonacii-heap 0.1.2 [INFO] finished tweaking crates.io crate fibonacii-heap 0.1.2 [INFO] tweaked toml for crates.io crate fibonacii-heap 0.1.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate fibonacii-heap 0.1.2 on toolchain beta-2025-09-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 72 packages to latest compatible versions [INFO] [stderr] Adding criterion v0.3.6 (available: v0.7.0) [INFO] [stderr] Adding rand v0.8.5 (available: v0.9.2) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 02863f91bdbf089b114faf92d9f40fcd71004fb3d4f9cd86afdfb31c46f6d26a [INFO] running `Command { std: "docker" "start" "-a" "02863f91bdbf089b114faf92d9f40fcd71004fb3d4f9cd86afdfb31c46f6d26a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "02863f91bdbf089b114faf92d9f40fcd71004fb3d4f9cd86afdfb31c46f6d26a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "02863f91bdbf089b114faf92d9f40fcd71004fb3d4f9cd86afdfb31c46f6d26a", kill_on_drop: false }` [INFO] [stdout] 02863f91bdbf089b114faf92d9f40fcd71004fb3d4f9cd86afdfb31c46f6d26a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 490da5a8e1de0dcbfc09c799853272082b5adef47afd1deb439d38d436d7489b [INFO] running `Command { std: "docker" "start" "-a" "490da5a8e1de0dcbfc09c799853272082b5adef47afd1deb439d38d436d7489b", kill_on_drop: false }` [INFO] [stderr] Compiling fibonacii-heap v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/ll.rs:72:13 [INFO] [stdout] | [INFO] [stdout] 72 | let mut this = self.0.as_mut()?; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s [INFO] running `Command { std: "docker" "inspect" "490da5a8e1de0dcbfc09c799853272082b5adef47afd1deb439d38d436d7489b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "490da5a8e1de0dcbfc09c799853272082b5adef47afd1deb439d38d436d7489b", kill_on_drop: false }` [INFO] [stdout] 490da5a8e1de0dcbfc09c799853272082b5adef47afd1deb439d38d436d7489b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3f7ec95a626544a501c03b2718e4e5f180186aec0ca73c698d305b83d039ca2f [INFO] running `Command { std: "docker" "start" "-a" "3f7ec95a626544a501c03b2718e4e5f180186aec0ca73c698d305b83d039ca2f", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Compiling quote v1.0.41 [INFO] [stderr] Compiling csv-core v0.1.12 [INFO] [stderr] Compiling regex-automata v0.4.11 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling half v1.8.3 [INFO] [stderr] Compiling criterion-plot v0.4.5 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling rayon v1.11.0 [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/ll.rs:72:13 [INFO] [stdout] | [INFO] [stdout] 72 | let mut this = self.0.as_mut()?; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling clap v2.34.0 [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stderr] Compiling csv v1.3.1 [INFO] [stderr] Compiling serde_cbor v0.11.2 [INFO] [stderr] Compiling tinytemplate v1.2.1 [INFO] [stderr] Compiling regex v1.11.3 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Compiling criterion v0.3.6 [INFO] [stderr] Compiling fibonacii-heap v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/ll.rs:72:13 [INFO] [stdout] | [INFO] [stdout] 72 | let mut this = self.0.as_mut()?; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 15.54s [INFO] running `Command { std: "docker" "inspect" "3f7ec95a626544a501c03b2718e4e5f180186aec0ca73c698d305b83d039ca2f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3f7ec95a626544a501c03b2718e4e5f180186aec0ca73c698d305b83d039ca2f", kill_on_drop: false }` [INFO] [stdout] 3f7ec95a626544a501c03b2718e4e5f180186aec0ca73c698d305b83d039ca2f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] a94483deeb5d092f8a65f553838d2f8b001b4dd720d0bd1bd7fc96cea12b8758 [INFO] running `Command { std: "docker" "start" "-a" "a94483deeb5d092f8a65f553838d2f8b001b4dd720d0bd1bd7fc96cea12b8758", kill_on_drop: false }` [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/ll.rs:72:13 [INFO] [stderr] | [INFO] [stderr] 72 | let mut this = self.0.as_mut()?; [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `fibonacii-heap` (lib) generated 1 warning (run `cargo fix --lib -p fibonacii-heap` to apply 1 suggestion) [INFO] [stderr] warning: `fibonacii-heap` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/fibonacii_heap-09c9585cd815b49a) [INFO] [stdout] [INFO] [stdout] running 10 tests [INFO] [stdout] test ll::tests::push_pop ... ok [INFO] [stdout] test ll::tests::append ... ok [INFO] [stdout] test tests::duplicates ... ok [INFO] [stdout] test tests::merge_left_empty ... ok [INFO] [stdout] test tests::merge_left ... ok [INFO] [stdout] test ll::tests::size ... ok [INFO] [stdout] test tests::merge_right_empty ... ok [INFO] [stdout] test tests::merge_right ... ok [INFO] [stdout] test tests::works ... ok [INFO] [stdout] test ll::tests::drop ... ok [INFO] [stderr] Doc-tests fibonacii_heap [INFO] [stdout] [INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 8 tests [INFO] [stdout] test src/lib.rs - Heap::is_empty (line 280) ... ok [INFO] [stdout] test src/lib.rs - Heap::peek (line 303) ... ok [INFO] [stdout] test src/lib.rs - Heap::pop (line 380) ... ok [INFO] [stdout] test src/lib.rs - Heap::push (line 328) ... ok [INFO] [stdout] test src/lib.rs - Heap::len (line 259) ... ok [INFO] [stdout] test src/lib.rs - Heap (line 168) ... ok [INFO] [stdout] test src/lib.rs - Heap (line 138) ... ok [INFO] [stdout] test src/lib.rs - (line 17) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.77s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "a94483deeb5d092f8a65f553838d2f8b001b4dd720d0bd1bd7fc96cea12b8758", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a94483deeb5d092f8a65f553838d2f8b001b4dd720d0bd1bd7fc96cea12b8758", kill_on_drop: false }` [INFO] [stdout] a94483deeb5d092f8a65f553838d2f8b001b4dd720d0bd1bd7fc96cea12b8758