[INFO] fetching crate minicore 0.0.1... [INFO] testing minicore-0.0.1 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1 [INFO] extracting crate minicore 0.0.1 into /workspace/builds/worker-7-tc2/source [INFO] started tweaking crates.io crate minicore 0.0.1 [INFO] finished tweaking crates.io crate minicore 0.0.1 [INFO] tweaked toml for crates.io crate minicore 0.0.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate minicore 0.0.1 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 31 packages to latest compatible versions [INFO] [stderr] Adding thiserror v1.0.69 (available: v2.0.18) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ee778237b6ccd51e20d5d76a611bd98b14755c4bf8d1fea8ef8ad4061399467c [INFO] running `Command { std: "docker" "start" "-a" "ee778237b6ccd51e20d5d76a611bd98b14755c4bf8d1fea8ef8ad4061399467c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ee778237b6ccd51e20d5d76a611bd98b14755c4bf8d1fea8ef8ad4061399467c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ee778237b6ccd51e20d5d76a611bd98b14755c4bf8d1fea8ef8ad4061399467c", kill_on_drop: false }` [INFO] [stdout] ee778237b6ccd51e20d5d76a611bd98b14755c4bf8d1fea8ef8ad4061399467c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 84c5c701dfa9816aa29151147cad3aac2e754c461d274963ea5c83396661ce42 [INFO] running `Command { std: "docker" "start" "-a" "84c5c701dfa9816aa29151147cad3aac2e754c461d274963ea5c83396661ce42", kill_on_drop: false }` [INFO] [stderr] Compiling syn v2.0.117 [INFO] [stderr] Compiling tracing-attributes v0.1.31 [INFO] [stderr] Compiling thiserror-impl v1.0.69 [INFO] [stderr] Compiling thiserror v1.0.69 [INFO] [stderr] Compiling tracing v0.1.44 [INFO] [stderr] Compiling minicore v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: useless assignment of variable of type `usize` to itself [INFO] [stdout] --> src/ubytes/mod.rs:436:9 [INFO] [stdout] | [INFO] [stdout] 436 | until_pos = until_pos; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/mem/memory.rs:312:21 [INFO] [stdout] | [INFO] [stdout] 312 | pub fn drain(&mut self, range: R) -> Drain [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] 312 | pub fn drain(&mut self, range: R) -> Drain<'_, T> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/mem/primitives.rs:110:22 [INFO] [stdout] | [INFO] [stdout] 110 | pub fn opt_slice(&self, range: Option) -> Option { [INFO] [stdout] | ^^^^^ the lifetime is elided here ^^^^^ 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] 110 | pub fn opt_slice(&self, range: Option) -> Option> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.31s [INFO] running `Command { std: "docker" "inspect" "84c5c701dfa9816aa29151147cad3aac2e754c461d274963ea5c83396661ce42", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "84c5c701dfa9816aa29151147cad3aac2e754c461d274963ea5c83396661ce42", kill_on_drop: false }` [INFO] [stdout] 84c5c701dfa9816aa29151147cad3aac2e754c461d274963ea5c83396661ce42 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fa63362b47bf30992dae1fcc0cd09b6d7a058b9fa5372e07379a62d40ce8e478 [INFO] running `Command { std: "docker" "start" "-a" "fa63362b47bf30992dae1fcc0cd09b6d7a058b9fa5372e07379a62d40ce8e478", kill_on_drop: false }` [INFO] [stderr] Compiling regex-syntax v0.8.10 [INFO] [stderr] Compiling tracing-log v0.2.0 [INFO] [stderr] Compiling tracing-test-macro v0.2.6 [INFO] [stderr] Compiling tracing v0.1.44 [INFO] [stderr] Compiling minicore v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: useless assignment of variable of type `usize` to itself [INFO] [stdout] --> src/ubytes/mod.rs:436:9 [INFO] [stdout] | [INFO] [stdout] 436 | until_pos = until_pos; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/mem/memory.rs:312:21 [INFO] [stdout] | [INFO] [stdout] 312 | pub fn drain(&mut self, range: R) -> Drain [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] 312 | pub fn drain(&mut self, range: R) -> Drain<'_, T> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/mem/primitives.rs:110:22 [INFO] [stdout] | [INFO] [stdout] 110 | pub fn opt_slice(&self, range: Option) -> Option { [INFO] [stdout] | ^^^^^ the lifetime is elided here ^^^^^ 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] 110 | pub fn opt_slice(&self, range: Option) -> Option> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling regex-automata v0.4.14 [INFO] [stderr] Compiling matchers v0.2.0 [INFO] [stderr] Compiling tracing-subscriber v0.3.23 [INFO] [stderr] Compiling tracing-test v0.2.6 [INFO] [stdout] warning: useless assignment of variable of type `usize` to itself [INFO] [stdout] --> src/ubytes/mod.rs:436:9 [INFO] [stdout] | [INFO] [stdout] 436 | until_pos = until_pos; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/mem/memory.rs:312:21 [INFO] [stdout] | [INFO] [stdout] 312 | pub fn drain(&mut self, range: R) -> Drain [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] 312 | pub fn drain(&mut self, range: R) -> Drain<'_, T> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/mem/primitives.rs:110:22 [INFO] [stdout] | [INFO] [stdout] 110 | pub fn opt_slice(&self, range: Option) -> Option { [INFO] [stdout] | ^^^^^ the lifetime is elided here ^^^^^ 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] 110 | pub fn opt_slice(&self, range: Option) -> Option> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 10.24s [INFO] running `Command { std: "docker" "inspect" "fa63362b47bf30992dae1fcc0cd09b6d7a058b9fa5372e07379a62d40ce8e478", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fa63362b47bf30992dae1fcc0cd09b6d7a058b9fa5372e07379a62d40ce8e478", kill_on_drop: false }` [INFO] [stdout] fa63362b47bf30992dae1fcc0cd09b6d7a058b9fa5372e07379a62d40ce8e478 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 9352cc7d93632a6c9e823e1c90c1f8e6ff2dc143bad7657e4935f975daed09a3 [INFO] running `Command { std: "docker" "start" "-a" "9352cc7d93632a6c9e823e1c90c1f8e6ff2dc143bad7657e4935f975daed09a3", kill_on_drop: false }` [INFO] [stderr] warning: useless assignment of variable of type `usize` to itself [INFO] [stderr] --> src/ubytes/mod.rs:436:9 [INFO] [stderr] | [INFO] [stderr] 436 | until_pos = until_pos; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/mem/memory.rs:312:21 [INFO] [stderr] | [INFO] [stderr] 312 | pub fn drain(&mut self, range: R) -> Drain [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] 312 | pub fn drain(&mut self, range: R) -> Drain<'_, T> [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/mem/primitives.rs:110:22 [INFO] [stderr] | [INFO] [stderr] 110 | pub fn opt_slice(&self, range: Option) -> Option { [INFO] [stderr] | ^^^^^ the lifetime is elided here ^^^^^ 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] 110 | pub fn opt_slice(&self, range: Option) -> Option> { [INFO] [stderr] | ++++ [INFO] [stderr] [INFO] [stderr] warning: `minicore` (lib) generated 3 warnings (run `cargo fix --lib -p minicore` to apply 2 suggestions) [INFO] [stderr] warning: `minicore` (lib test) generated 3 warnings (3 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/minicore-d855a0abea8f8e51) [INFO] [stdout] [INFO] [stdout] running 19 tests [INFO] [stdout] test mem::accumulator::accumulator_tests::test_can_peek_next_and_take_text_then_continue_peeking ... ok [INFO] [stdout] test mem::accumulator::accumulator_tests::test_can_use_accumulator_to_peek_next_character ... ok [INFO] [stdout] test mem::accumulator::accumulator_tests::test_can_use_accumulator_to_peek_two_characters_away ... ok [INFO] [stdout] test mem::accumulator::accumulator_tests::test_can_virtual_peek_ahead_without_changing_peek_cursor ... ok [INFO] [stdout] test mem::memory::arena_pool_tests::test_arena_pool_limits ... ok [INFO] [stdout] test mem::memory::arena_tests::can_create_arena ... ok [INFO] [stdout] test mem::memory::memory_limiter_tests::can_get_current_usage ... ok [INFO] [stdout] test mem::memory::memory_limiter_tests::cant_expand_usage_pass_limits ... ok [INFO] [stdout] test mem::memory::arena_pool_tests::test_arena_pool ... ok [INFO] [stdout] test mem::memory::type_area_tests::current_usage ... ok [INFO] [stdout] test mem::accumulator::accumulator_tests::test_can_peek_next_to_accumulate_more_seen_text ... ok [INFO] [stdout] test mem::memory::type_area_tests::drain ... ok [INFO] [stdout] test mem::memory::type_area_tests::drop ... ok [INFO] [stdout] test mem::memory::type_area_tests::max_limit ... ok [INFO] [stdout] test ubytes::accumulator_tests::test_can_use_accumulator_to_peek_two_characters_away ... ok [INFO] [stdout] test ubytes::accumulator_tests::test_can_virtual_peek_ahead_without_changing_peek_cursor ... ok [INFO] [stdout] test ubytes::accumulator_tests::test_can_peek_next_and_take_text_then_continue_peeking ... ok [INFO] [stdout] test ubytes::accumulator_tests::test_can_peek_next_to_accumulate_more_seen_text ... ok [INFO] [stdout] test ubytes::accumulator_tests::test_can_use_accumulator_to_peek_next_character ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s [INFO] [stdout] [INFO] [stderr] Doc-tests minicore [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" "9352cc7d93632a6c9e823e1c90c1f8e6ff2dc143bad7657e4935f975daed09a3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9352cc7d93632a6c9e823e1c90c1f8e6ff2dc143bad7657e4935f975daed09a3", kill_on_drop: false }` [INFO] [stdout] 9352cc7d93632a6c9e823e1c90c1f8e6ff2dc143bad7657e4935f975daed09a3