[INFO] cloning repository https://github.com/jcoglan/nicod [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jcoglan/nicod" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjcoglan%2Fnicod", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjcoglan%2Fnicod'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9404167183c9fb6fa2f93c412dee938ca13fe807 [INFO] testing jcoglan/nicod against beta-2025-09-21 for beta-1.91-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjcoglan%2Fnicod" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] removed /workspace/builds/worker-2-tc2/source/rust-toolchain [INFO] started tweaking git repo https://github.com/jcoglan/nicod [INFO] finished tweaking git repo https://github.com/jcoglan/nicod [INFO] tweaked toml for git repo https://github.com/jcoglan/nicod written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/jcoglan/nicod 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] crate git repo https://github.com/jcoglan/nicod 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" "+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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 1f151b0c0eb641e29ffdecfa4e876408d43997d5a1510ed706410dd2a0dc57d5 [INFO] running `Command { std: "docker" "start" "-a" "1f151b0c0eb641e29ffdecfa4e876408d43997d5a1510ed706410dd2a0dc57d5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1f151b0c0eb641e29ffdecfa4e876408d43997d5a1510ed706410dd2a0dc57d5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1f151b0c0eb641e29ffdecfa4e876408d43997d5a1510ed706410dd2a0dc57d5", kill_on_drop: false }` [INFO] [stdout] 1f151b0c0eb641e29ffdecfa4e876408d43997d5a1510ed706410dd2a0dc57d5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 7f14d389bc98b244544abf5976b277403cb1b7aa2e533a24d5dc6fb95be1fae9 [INFO] running `Command { std: "docker" "start" "-a" "7f14d389bc98b244544abf5976b277403cb1b7aa2e533a24d5dc6fb95be1fae9", kill_on_drop: false }` [INFO] [stderr] Compiling typenum v1.13.0 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_xoshiro v0.4.0 [INFO] [stderr] Compiling im v15.0.0 [INFO] [stderr] Compiling indexmap v1.3.0 [INFO] [stderr] Compiling bitmaps v2.1.0 [INFO] [stderr] Compiling sized-chunks v0.6.4 [INFO] [stderr] Compiling nicod v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lang/mod.rs:31:19 [INFO] [stdout] | [INFO] [stdout] 31 | pub fn derive(&self, target: &Expr) -> Interleave<(State, Rc)> { [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] 31 | pub fn derive(&self, target: &Expr) -> Interleave<'_, (State, Rc)> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lang/mod.rs:36:9 [INFO] [stdout] | [INFO] [stdout] 36 | &self, [INFO] [stdout] | ^^^^^ the lifetime is elided here [INFO] [stdout] ... [INFO] [stdout] 39 | ) -> Interleave<(State, Rc)> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 39 | ) -> Interleave<'_, (State, Rc)> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.28s [INFO] running `Command { std: "docker" "inspect" "7f14d389bc98b244544abf5976b277403cb1b7aa2e533a24d5dc6fb95be1fae9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7f14d389bc98b244544abf5976b277403cb1b7aa2e533a24d5dc6fb95be1fae9", kill_on_drop: false }` [INFO] [stdout] 7f14d389bc98b244544abf5976b277403cb1b7aa2e533a24d5dc6fb95be1fae9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 737bb8fef021f3be8a2a630b05c04e2f8b4d97596066b8a55820bbc98fde8638 [INFO] running `Command { std: "docker" "start" "-a" "737bb8fef021f3be8a2a630b05c04e2f8b4d97596066b8a55820bbc98fde8638", kill_on_drop: false }` [INFO] [stderr] Compiling nicod v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lang/mod.rs:31:19 [INFO] [stdout] | [INFO] [stdout] 31 | pub fn derive(&self, target: &Expr) -> Interleave<(State, Rc)> { [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] 31 | pub fn derive(&self, target: &Expr) -> Interleave<'_, (State, Rc)> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lang/mod.rs:36:9 [INFO] [stdout] | [INFO] [stdout] 36 | &self, [INFO] [stdout] | ^^^^^ the lifetime is elided here [INFO] [stdout] ... [INFO] [stdout] 39 | ) -> Interleave<(State, Rc)> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 39 | ) -> Interleave<'_, (State, Rc)> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lang/mod.rs:31:19 [INFO] [stdout] | [INFO] [stdout] 31 | pub fn derive(&self, target: &Expr) -> Interleave<(State, Rc)> { [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] 31 | pub fn derive(&self, target: &Expr) -> Interleave<'_, (State, Rc)> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lang/mod.rs:36:9 [INFO] [stdout] | [INFO] [stdout] 36 | &self, [INFO] [stdout] | ^^^^^ the lifetime is elided here [INFO] [stdout] ... [INFO] [stdout] 39 | ) -> Interleave<(State, Rc)> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 39 | ) -> Interleave<'_, (State, Rc)> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.61s [INFO] running `Command { std: "docker" "inspect" "737bb8fef021f3be8a2a630b05c04e2f8b4d97596066b8a55820bbc98fde8638", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "737bb8fef021f3be8a2a630b05c04e2f8b4d97596066b8a55820bbc98fde8638", kill_on_drop: false }` [INFO] [stdout] 737bb8fef021f3be8a2a630b05c04e2f8b4d97596066b8a55820bbc98fde8638 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 4fc9f571d25f2e8af367f43354f2cd13bd95624d52754f214ddc069b6cf423bd [INFO] running `Command { std: "docker" "start" "-a" "4fc9f571d25f2e8af367f43354f2cd13bd95624d52754f214ddc069b6cf423bd", kill_on_drop: false }` [INFO] [stdout] [INFO] [stdout] running 47 tests [INFO] [stdout] test iter::tests::flatten_infinite_ranges ... ok [INFO] [stdout] test iter::tests::flatten_infinite_stream_of_ranges ... ok [INFO] [stdout] test iter::tests::flatten_two_iterators ... ok [INFO] [stdout] test iter::tests::flatten_many_iterators ... ok [INFO] [stdout] test iter::tests::interleave_empty_iterators ... ok [INFO] [stdout] test iter::tests::flatten_single_iterator ... ok [INFO] [stdout] test iter::tests::interleave_infinite_streams ... ok [INFO] [stdout] test iter::tests::interleave_iterator_with_empty ... ok [INFO] [stdout] test iter::tests::interleave_iterators ... ok [INFO] [stdout] test iter::tests::interleave_single_iterator ... ok [INFO] [stdout] test state::tests::reject_empty_and_nonempty_lists ... ok [INFO] [stdout] test state::tests::reject_lists_with_different_tags ... ok [INFO] [stdout] test lang::tests::inductive_type_check ... ok [INFO] [stdout] test state::tests::reject_nonempty_and_empty_lists ... ok [INFO] [stdout] test lang::tests::derive_in_reverse ... ok [INFO] [stdout] test state::tests::reject_repeat_indirect_vars ... ok [INFO] [stdout] test lang::tests::inductive_type_check_with_two_premises ... ok [INFO] [stdout] test state::tests::reject_sequence_with_repeated_variable ... ok [INFO] [stdout] test state::tests::reject_shorter_lists ... ok [INFO] [stdout] test state::tests::reject_unequal_flat_sequences ... ok [INFO] [stdout] test state::tests::reject_unequal_nested_sequences ... ok [INFO] [stdout] test state::tests::reject_unequal_words ... ok [INFO] [stdout] test state::tests::unify_empty_lists ... ok [INFO] [stdout] test lang::tests::derive_from_recursive_rule ... ok [INFO] [stdout] test lang::tests::derive_from_single_rule ... ok [INFO] [stdout] test state::tests::unify_equal_flat_sequences ... ok [INFO] [stdout] test state::tests::unify_equal_words ... ok [INFO] [stdout] test state::tests::unify_list_with_tail_variable ... ok [INFO] [stdout] test state::tests::unify_nested_sequences ... ok [INFO] [stdout] test state::tests::unify_nested_sequences_with_indirect_variables ... ok [INFO] [stdout] test state::tests::unify_nested_sequences_with_repeated_variables ... ok [INFO] [stdout] test state::tests::unify_nested_sequences_with_variables ... ok [INFO] [stdout] test state::tests::unify_partial_pairs ... ok [INFO] [stdout] test state::tests::unify_repeat_indirect_vars ... ok [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/lang/mod.rs:31:19 [INFO] [stderr] | [INFO] [stderr] 31 | pub fn derive(&self, target: &Expr) -> Interleave<(State, Rc)> { [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] 31 | pub fn derive(&self, target: &Expr) -> Interleave<'_, (State, Rc)> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/lang/mod.rs:36:9 [INFO] [stderr] | [INFO] [stderr] 36 | &self, [INFO] [stderr] | ^^^^^ the lifetime is elided here [INFO] [stderr] ... [INFO] [stderr] 39 | ) -> Interleave<(State, Rc)> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 39 | ) -> Interleave<'_, (State, Rc)> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: `nicod` (lib) generated 2 warnings (run `cargo fix --lib -p nicod` to apply 2 suggestions) [INFO] [stderr] warning: `nicod` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/nicod-3ce69b1f10849190) [INFO] [stdout] test state::tests::reject_partial_pairs ... ok [INFO] [stdout] test state::tests::unify_lists_with_equal_elements ... ok [INFO] [stdout] test state::tests::unify_sequence_with_repeated_variable ... ok [INFO] [stdout] test state::tests::unify_lists_with_variables ... ok [INFO] [stdout] test state::tests::reject_shorter_sequences ... ok [INFO] [stdout] test state::tests::reject_longer_lists ... ok [INFO] [stdout] test state::tests::reject_longer_sequences ... ok [INFO] [stdout] test lang::tests::transitive_relation_with_infinite_derivations ... ok [INFO] [stdout] test state::tests::unify_sequences_with_variables ... ok [INFO] [stdout] test state::tests::unify_variable_with_same_variable ... ok [INFO] [stdout] test state::tests::unify_variable_with_word ... ok [INFO] [stdout] test state::tests::unify_variable_with_different_variable ... ok [INFO] [stdout] test state::tests::unify_word_with_variable ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 47 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s [INFO] [stdout] [INFO] [stderr] Doc-tests nicod [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" "4fc9f571d25f2e8af367f43354f2cd13bd95624d52754f214ddc069b6cf423bd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4fc9f571d25f2e8af367f43354f2cd13bd95624d52754f214ddc069b6cf423bd", kill_on_drop: false }` [INFO] [stdout] 4fc9f571d25f2e8af367f43354f2cd13bd95624d52754f214ddc069b6cf423bd