[INFO] cloning repository https://github.com/dionysusliu/rust-skip-list [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dionysusliu/rust-skip-list" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdionysusliu%2Frust-skip-list", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdionysusliu%2Frust-skip-list'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0eb6b7ec35fbe2f08e97b5816ba058475ec07d36 [INFO] testing dionysusliu/rust-skip-list against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdionysusliu%2Frust-skip-list" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/dionysusliu/rust-skip-list [INFO] finished tweaking git repo https://github.com/dionysusliu/rust-skip-list [INFO] tweaked toml for git repo https://github.com/dionysusliu/rust-skip-list written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/dionysusliu/rust-skip-list on toolchain b83b707f97d809763b7861afa7638871f3339a33 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/dionysusliu/rust-skip-list 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" "+b83b707f97d809763b7861afa7638871f3339a33" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0483a90757745cbe9f59ff25c40a1de5d98145ebdc185f87a50ef75123be0ca5 [INFO] running `Command { std: "docker" "start" "-a" "0483a90757745cbe9f59ff25c40a1de5d98145ebdc185f87a50ef75123be0ca5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0483a90757745cbe9f59ff25c40a1de5d98145ebdc185f87a50ef75123be0ca5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0483a90757745cbe9f59ff25c40a1de5d98145ebdc185f87a50ef75123be0ca5", kill_on_drop: false }` [INFO] [stdout] 0483a90757745cbe9f59ff25c40a1de5d98145ebdc185f87a50ef75123be0ca5 [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5e40279bbb903df7243aeb6396037891f19c08fe2520cb4ae86c41d82aaee8d2 [INFO] running `Command { std: "docker" "start" "-a" "5e40279bbb903df7243aeb6396037891f19c08fe2520cb4ae86c41d82aaee8d2", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.94 [INFO] [stderr] Compiling libc v0.2.170 [INFO] [stderr] Compiling byteorder v1.5.0 [INFO] [stderr] Compiling quote v1.0.39 [INFO] [stderr] Compiling syn v2.0.99 [INFO] [stderr] Compiling getrandom v0.2.15 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling zerocopy-derive v0.7.35 [INFO] [stderr] Compiling zerocopy v0.7.35 [INFO] [stderr] Compiling ppv-lite86 v0.2.20 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling skip_list v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `random` [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | use rand::{random, Rng}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Ref` [INFO] [stdout] --> src/lib.rs:2:17 [INFO] [stdout] | [INFO] [stdout] 2 | use std::cell::{Ref, RefCell}; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `lvl` is never read [INFO] [stdout] --> src/lib.rs:187:25 [INFO] [stdout] | [INFO] [stdout] 187 | lvl -= 1; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.81s [INFO] running `Command { std: "docker" "inspect" "5e40279bbb903df7243aeb6396037891f19c08fe2520cb4ae86c41d82aaee8d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5e40279bbb903df7243aeb6396037891f19c08fe2520cb4ae86c41d82aaee8d2", kill_on_drop: false }` [INFO] [stdout] 5e40279bbb903df7243aeb6396037891f19c08fe2520cb4ae86c41d82aaee8d2 [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c3246816b6d2b217a6eed224e8ad75b48cfae1e323c0bc276effd34290c540d4 [INFO] running `Command { std: "docker" "start" "-a" "c3246816b6d2b217a6eed224e8ad75b48cfae1e323c0bc276effd34290c540d4", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.170 [INFO] [stderr] Compiling crossbeam-utils v0.8.21 [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stderr] Compiling autocfg v1.4.0 [INFO] [stderr] Compiling serde_json v1.0.140 [INFO] [stderr] Compiling either v1.15.0 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Compiling half v2.4.1 [INFO] [stderr] Compiling anstyle v1.0.10 [INFO] [stderr] Compiling regex-syntax v0.8.5 [INFO] [stderr] Compiling ciborium-io v0.2.2 [INFO] [stderr] Compiling plotters-backend v0.3.7 [INFO] [stderr] Compiling clap_lex v0.7.4 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling memchr v2.7.4 [INFO] [stderr] Compiling clap_builder v4.5.32 [INFO] [stderr] Compiling plotters-svg v0.3.7 [INFO] [stderr] Compiling itertools v0.10.5 [INFO] [stderr] Compiling crossbeam-epoch v0.9.18 [INFO] [stderr] Compiling getrandom v0.2.15 [INFO] [stderr] Compiling crossbeam-deque v0.8.6 [INFO] [stderr] Compiling regex-automata v0.4.9 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling ciborium-ll v0.2.2 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling cast v0.3.0 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling walkdir v2.5.0 [INFO] [stderr] Compiling rayon v1.10.0 [INFO] [stderr] Compiling criterion-plot v0.5.0 [INFO] [stderr] Compiling clap v4.5.32 [INFO] [stderr] Compiling plotters v0.3.7 [INFO] [stderr] Compiling is-terminal v0.4.16 [INFO] [stderr] Compiling oorandom v11.1.5 [INFO] [stderr] Compiling once_cell v1.21.1 [INFO] [stderr] Compiling anes v0.1.6 [INFO] [stderr] Compiling regex v1.11.1 [INFO] [stderr] Compiling skip_list v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `random` [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | use rand::{random, Rng}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Ref` [INFO] [stdout] --> src/lib.rs:2:17 [INFO] [stdout] | [INFO] [stdout] 2 | use std::cell::{Ref, RefCell}; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `lvl` is never read [INFO] [stdout] --> src/lib.rs:187:25 [INFO] [stdout] | [INFO] [stdout] 187 | lvl -= 1; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling ciborium v0.2.2 [INFO] [stderr] Compiling tinytemplate v1.2.1 [INFO] [stderr] Compiling criterion v0.5.1 [INFO] [stdout] warning: unused import: `random` [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | use rand::{random, Rng}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Ref` [INFO] [stdout] --> src/lib.rs:2:17 [INFO] [stdout] | [INFO] [stdout] 2 | use std::cell::{Ref, RefCell}; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `lvl` is never read [INFO] [stdout] --> src/lib.rs:187:25 [INFO] [stdout] | [INFO] [stdout] 187 | lvl -= 1; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 43.35s [INFO] running `Command { std: "docker" "inspect" "c3246816b6d2b217a6eed224e8ad75b48cfae1e323c0bc276effd34290c540d4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c3246816b6d2b217a6eed224e8ad75b48cfae1e323c0bc276effd34290c540d4", kill_on_drop: false }` [INFO] [stdout] c3246816b6d2b217a6eed224e8ad75b48cfae1e323c0bc276effd34290c540d4 [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 574594d3fea20eb40179e80d093cbadfce2c5884eb6382e0599a69fd1124c1c8 [INFO] running `Command { std: "docker" "start" "-a" "574594d3fea20eb40179e80d093cbadfce2c5884eb6382e0599a69fd1124c1c8", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `random` [INFO] [stderr] --> src/lib.rs:1:12 [INFO] [stderr] | [INFO] [stderr] 1 | use rand::{random, Rng}; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `Ref` [INFO] [stderr] --> src/lib.rs:2:17 [INFO] [stderr] | [INFO] [stderr] 2 | use std::cell::{Ref, RefCell}; [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: value assigned to `lvl` is never read [INFO] [stderr] --> src/lib.rs:187:25 [INFO] [stderr] | [INFO] [stderr] 187 | lvl -= 1; [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `skip_list` (lib) generated 3 warnings (run `cargo fix --lib -p skip_list` to apply 2 suggestions) [INFO] [stderr] warning: `skip_list` (lib test) generated 3 warnings (3 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/skip_list-84c5149ca2ca0b4b) [INFO] [stdout] [INFO] [stdout] running 25 tests [INFO] [stdout] test tests::test_contains ... ok [INFO] [stdout] test tests::test_create_empty_list ... ok [INFO] [stdout] test tests::test_contains_single_element ... ok [INFO] [stdout] test tests::test_find_greater_or_equal_empty_list ... ok [INFO] [stdout] test tests::test_find_last_with_elements ... ok [INFO] [stdout] test tests::test_insert_between_existing ... ok [INFO] [stdout] test tests::test_insert_duplicate_key ... ok [INFO] [stdout] test tests::test_contains_empty_list ... ok [INFO] [stdout] test tests::test_insert_into_empty_list ... ok [INFO] [stdout] test tests::test_insert_maintains_level ... ok [INFO] [stdout] test tests::test_insert_min_max_values ... ok [INFO] [stdout] test tests::test_insert_multiple_ordered ... ok [INFO] [stdout] test tests::test_insert_multiple_reverse ... ok [INFO] [stdout] test tests::test_insert_string_keys ... ok [INFO] [stdout] test tests::test_iterator_get_and_next ... ok [INFO] [stdout] test tests::test_iterator_key ... ok [INFO] [stdout] test tests::test_iterator_seek ... ok [INFO] [stdout] test tests::test_iterator_seek_to_first ... ok [INFO] [stdout] test tests::test_iterator_seek_to_first_empty_list ... ok [INFO] [stdout] test tests::test_iterator_seek_to_last ... ok [INFO] [stdout] test tests::test_iterator_seek_beyond_bound ... ok [INFO] [stdout] test tests::test_iterator_seek_to_last_empty_list ... ok [INFO] [stdout] test tests::test_iterator_seek_to_last_single_element ... ok [INFO] [stdout] test tests::test_find_last_empty_list ... ok [INFO] [stdout] test tests::test_find_greater_or_equal_with_elements ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 25 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s [INFO] [stdout] [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/skip_list-f99b4aad9ffcd328) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests skip_list [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "574594d3fea20eb40179e80d093cbadfce2c5884eb6382e0599a69fd1124c1c8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "574594d3fea20eb40179e80d093cbadfce2c5884eb6382e0599a69fd1124c1c8", kill_on_drop: false }` [INFO] [stdout] 574594d3fea20eb40179e80d093cbadfce2c5884eb6382e0599a69fd1124c1c8