[INFO] fetching crate minicore 0.0.1... [INFO] testing minicore-0.0.1 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7 [INFO] extracting crate minicore 0.0.1 into /workspace/builds/worker-3-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-3-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate minicore 0.0.1 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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: v2.0.17) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0c41fdc89f438116ae7826df669dd482c45786aa95bab2d1c2410b536ee20ee5 [INFO] running `Command { std: "docker" "start" "-a" "0c41fdc89f438116ae7826df669dd482c45786aa95bab2d1c2410b536ee20ee5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0c41fdc89f438116ae7826df669dd482c45786aa95bab2d1c2410b536ee20ee5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0c41fdc89f438116ae7826df669dd482c45786aa95bab2d1c2410b536ee20ee5", kill_on_drop: false }` [INFO] [stdout] 0c41fdc89f438116ae7826df669dd482c45786aa95bab2d1c2410b536ee20ee5 [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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ad7ba74ce563102e633559dc7aa37999e6c75fc07cc53a24d42bc789c6126f72 [INFO] running `Command { std: "docker" "start" "-a" "ad7ba74ce563102e633559dc7aa37999e6c75fc07cc53a24d42bc789c6126f72", kill_on_drop: false }` [INFO] [stderr] Compiling syn v2.0.110 [INFO] [stderr] Compiling tracing-attributes v0.1.30 [INFO] [stderr] Compiling thiserror-impl v1.0.69 [INFO] [stderr] Compiling thiserror v1.0.69 [INFO] [stderr] Compiling tracing v0.1.41 [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 7.69s [INFO] running `Command { std: "docker" "inspect" "ad7ba74ce563102e633559dc7aa37999e6c75fc07cc53a24d42bc789c6126f72", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ad7ba74ce563102e633559dc7aa37999e6c75fc07cc53a24d42bc789c6126f72", kill_on_drop: false }` [INFO] [stdout] ad7ba74ce563102e633559dc7aa37999e6c75fc07cc53a24d42bc789c6126f72 [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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e9c7b80b756e41053396ab0b05121a6bb417c879da7cf068799de6d75aee4363 [INFO] running `Command { std: "docker" "start" "-a" "e9c7b80b756e41053396ab0b05121a6bb417c879da7cf068799de6d75aee4363", kill_on_drop: false }` [INFO] [stderr] Compiling nu-ansi-term v0.50.3 [INFO] [stderr] Compiling regex-automata v0.4.13 [INFO] [stderr] Compiling thread_local v1.1.9 [INFO] [stderr] Compiling tracing-test-macro v0.2.5 [INFO] [stderr] Compiling tracing v0.1.41 [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 matchers v0.2.0 [INFO] [stderr] Compiling tracing-subscriber v0.3.20 [INFO] [stderr] Compiling tracing-test v0.2.5 [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 7.25s [INFO] running `Command { std: "docker" "inspect" "e9c7b80b756e41053396ab0b05121a6bb417c879da7cf068799de6d75aee4363", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e9c7b80b756e41053396ab0b05121a6bb417c879da7cf068799de6d75aee4363", kill_on_drop: false }` [INFO] [stdout] e9c7b80b756e41053396ab0b05121a6bb417c879da7cf068799de6d75aee4363 [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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 99502de0fd865708395dc2a59dd56add9214c6711b8ccc9eb396872b313b56d1 [INFO] running `Command { std: "docker" "start" "-a" "99502de0fd865708395dc2a59dd56add9214c6711b8ccc9eb396872b313b56d1", 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 0.08s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/minicore-04d528f23e97283f) [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_two_characters_away ... ok [INFO] [stdout] test mem::accumulator::accumulator_tests::test_can_peek_next_to_accumulate_more_seen_text ... ok [INFO] [stdout] test mem::memory::arena_pool_tests::test_arena_pool ... 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_virtual_peek_ahead_without_changing_peek_cursor ... ok [INFO] [stdout] test mem::memory::arena_tests::can_create_arena ... ok [INFO] [stdout] test mem::memory::arena_pool_tests::test_arena_pool_limits ... ok [INFO] [stdout] test mem::memory::type_area_tests::drain ... 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 ubytes::accumulator_tests::test_can_peek_next_and_take_text_then_continue_peeking ... 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_to_accumulate_more_seen_text ... ok [INFO] [stdout] test ubytes::accumulator_tests::test_can_use_accumulator_to_peek_next_character ... ok [INFO] [stdout] test mem::memory::type_area_tests::current_usage ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [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" "99502de0fd865708395dc2a59dd56add9214c6711b8ccc9eb396872b313b56d1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "99502de0fd865708395dc2a59dd56add9214c6711b8ccc9eb396872b313b56d1", kill_on_drop: false }` [INFO] [stdout] 99502de0fd865708395dc2a59dd56add9214c6711b8ccc9eb396872b313b56d1