[INFO] fetching crate nth-cons-list 0.1.0...
[INFO] testing nth-cons-list-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate nth-cons-list 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate nth-cons-list 0.1.0
[INFO] finished tweaking crates.io crate nth-cons-list 0.1.0
[INFO] tweaked toml for crates.io crate nth-cons-list 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate nth-cons-list 0.1.0 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] Blocking waiting for file lock on package cache
[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] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] Blocking waiting for file lock on package cache
[INFO] [stderr] Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 1f27f328e6c708501852886713203f6f6f6ef08dc3e061900c1c690a1187b390
[INFO] running `Command { std: "docker" "start" "-a" "1f27f328e6c708501852886713203f6f6f6ef08dc3e061900c1c690a1187b390", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f27f328e6c708501852886713203f6f6f6ef08dc3e061900c1c690a1187b390", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f27f328e6c708501852886713203f6f6f6ef08dc3e061900c1c690a1187b390", kill_on_drop: false }`
[INFO] [stdout] 1f27f328e6c708501852886713203f6f6f6ef08dc3e061900c1c690a1187b390
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 1f6b736b4684597c3b8a9da1392e3b579382cab5244bc68982a8965265415c20
[INFO] running `Command { std: "docker" "start" "-a" "1f6b736b4684597c3b8a9da1392e3b579382cab5244bc68982a8965265415c20", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] Compiling nth-cons-list v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout] --> src/lib.rs:122:17
[INFO] [stdout] |
[INFO] [stdout] 122 | pub fn iter(&self) -> Iter {
[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] 122 | pub fn iter(&self) -> Iter<'_, A> {
[INFO] [stdout] | +++
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "1f6b736b4684597c3b8a9da1392e3b579382cab5244bc68982a8965265415c20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f6b736b4684597c3b8a9da1392e3b579382cab5244bc68982a8965265415c20", kill_on_drop: false }`
[INFO] [stdout] 1f6b736b4684597c3b8a9da1392e3b579382cab5244bc68982a8965265415c20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] df2bb325d05eab25819fe85dd495ccca2b33785745fc814f27bcf0539bfbae48
[INFO] running `Command { std: "docker" "start" "-a" "df2bb325d05eab25819fe85dd495ccca2b33785745fc814f27bcf0539bfbae48", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout] --> src/lib.rs:122:17
[INFO] [stdout] |
[INFO] [stdout] 122 | pub fn iter(&self) -> Iter {
[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] 122 | pub fn iter(&self) -> Iter<'_, A> {
[INFO] [stdout] | +++
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stderr] Compiling nth-cons-list v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout] --> src/lib.rs:122:17
[INFO] [stdout] |
[INFO] [stdout] 122 | pub fn iter(&self) -> Iter {
[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] 122 | pub fn iter(&self) -> Iter<'_, A> {
[INFO] [stdout] | +++
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "df2bb325d05eab25819fe85dd495ccca2b33785745fc814f27bcf0539bfbae48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df2bb325d05eab25819fe85dd495ccca2b33785745fc814f27bcf0539bfbae48", kill_on_drop: false }`
[INFO] [stdout] df2bb325d05eab25819fe85dd495ccca2b33785745fc814f27bcf0539bfbae48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] da61b7bee57cce08b189462cfca2f850524e1f3a0ed081425314c6b5121d11bd
[INFO] running `Command { std: "docker" "start" "-a" "da61b7bee57cce08b189462cfca2f850524e1f3a0ed081425314c6b5121d11bd", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr] --> src/lib.rs:122:17
[INFO] [stderr] |
[INFO] [stderr] 122 | pub fn iter(&self) -> Iter {
[INFO] [stderr] | ^^^^^ ^^^^^^^ the same lifetime is hidden here
[INFO] [stderr] | |
[INFO] [stderr] | the lifetime is elided here
[INFO] [stderr] |
[INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr] |
[INFO] [stderr] 122 | pub fn iter(&self) -> Iter<'_, A> {
[INFO] [stderr] | +++
[INFO] [stderr]
[INFO] [stderr] warning: `nth-cons-list` (lib) generated 1 warning (run `cargo fix --lib -p nth-cons-list` to apply 1 suggestion)
[INFO] [stderr] warning: `nth-cons-list` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/nth_cons_list-a64d7601a667dc0d)
[INFO] [stdout]
[INFO] [stdout] running 11 tests
[INFO] [stdout] test tests::test_cmp ... ok
[INFO] [stdout] test tests::test_cons ... ok
[INFO] [stdout] test tests::test_default ... ok
[INFO] [stdout] test tests::test_fmt ... ok
[INFO] [stdout] test tests::test_eq ... ok
[INFO] [stdout] test tests::test_nil ... ok
[INFO] [stdout] test tests::test_to_from_iterator ... ok
[INFO] [stdout] test tests::test_reverse ... ok
[INFO] [stdout] test tests::test_partial_cmp ... ok
[INFO] [stdout] test tests::test_nil_panic_head - should panic ... ok
[INFO] [stdout] test tests::test_nil_panic_tail - should panic ... ok
[INFO] [stdout]
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.19s
[INFO] [stdout]
[INFO] [stderr] Doc-tests nth_cons_list
[INFO] [stdout]
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - List (line 18) ... ok
[INFO] [stdout] test src/lib.rs - List (line 27) ... ok
[INFO] [stdout]
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.37s
[INFO] [stdout]
[INFO] running `Command { std: "docker" "inspect" "da61b7bee57cce08b189462cfca2f850524e1f3a0ed081425314c6b5121d11bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da61b7bee57cce08b189462cfca2f850524e1f3a0ed081425314c6b5121d11bd", kill_on_drop: false }`
[INFO] [stdout] da61b7bee57cce08b189462cfca2f850524e1f3a0ed081425314c6b5121d11bd