[INFO] fetching crate tomb 0.2.0... [INFO] testing tomb-0.2.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8 [INFO] extracting crate tomb 0.2.0 into /workspace/builds/worker-0-tc2/source [INFO] started tweaking crates.io crate tomb 0.2.0 [INFO] finished tweaking crates.io crate tomb 0.2.0 [INFO] tweaked toml for crates.io crate tomb 0.2.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate tomb 0.2.0 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] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 3 packages to latest compatible versions [INFO] [stderr] Adding fastrand v1.9.0 (available: v2.3.0) [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] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] b5ae36d9b793d996302f6877eb85e623e6b56a22e45486547106d95d3314f889 [INFO] running `Command { std: "docker" "start" "-a" "b5ae36d9b793d996302f6877eb85e623e6b56a22e45486547106d95d3314f889", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b5ae36d9b793d996302f6877eb85e623e6b56a22e45486547106d95d3314f889", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b5ae36d9b793d996302f6877eb85e623e6b56a22e45486547106d95d3314f889", kill_on_drop: false }` [INFO] [stdout] b5ae36d9b793d996302f6877eb85e623e6b56a22e45486547106d95d3314f889 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 736a36067dfd5af05c30c0e3346e56653cd35dffde465c8d53964ecd96692df6 [INFO] running `Command { std: "docker" "start" "-a" "736a36067dfd5af05c30c0e3346e56653cd35dffde465c8d53964ecd96692df6", kill_on_drop: false }` [INFO] [stderr] Compiling fastrand v1.9.0 [INFO] [stderr] Compiling tomb v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks [INFO] [stdout] --> src/items/dice/numeric.rs:270:5 [INFO] [stdout] | [INFO] [stdout] 270 | #[must_use] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions [INFO] [stdout] = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.40s [INFO] running `Command { std: "docker" "inspect" "736a36067dfd5af05c30c0e3346e56653cd35dffde465c8d53964ecd96692df6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "736a36067dfd5af05c30c0e3346e56653cd35dffde465c8d53964ecd96692df6", kill_on_drop: false }` [INFO] [stdout] 736a36067dfd5af05c30c0e3346e56653cd35dffde465c8d53964ecd96692df6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 1d7bf1cc3b4843deffa3f943728ae2c1efed32204b62d92c26d86f415a0a0399 [INFO] running `Command { std: "docker" "start" "-a" "1d7bf1cc3b4843deffa3f943728ae2c1efed32204b62d92c26d86f415a0a0399", kill_on_drop: false }` [INFO] [stderr] Compiling tomb v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks [INFO] [stdout] --> src/items/dice/numeric.rs:270:5 [INFO] [stdout] | [INFO] [stdout] 270 | #[must_use] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions [INFO] [stdout] = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks [INFO] [stdout] --> src/items/dice/numeric.rs:270:5 [INFO] [stdout] | [INFO] [stdout] 270 | #[must_use] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions [INFO] [stdout] = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.50s [INFO] running `Command { std: "docker" "inspect" "1d7bf1cc3b4843deffa3f943728ae2c1efed32204b62d92c26d86f415a0a0399", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1d7bf1cc3b4843deffa3f943728ae2c1efed32204b62d92c26d86f415a0a0399", kill_on_drop: false }` [INFO] [stdout] 1d7bf1cc3b4843deffa3f943728ae2c1efed32204b62d92c26d86f415a0a0399 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 45bd20c5f7073f183737269ea98483a234b57c580ca123bb13a1dd7188874ada [INFO] running `Command { std: "docker" "start" "-a" "45bd20c5f7073f183737269ea98483a234b57c580ca123bb13a1dd7188874ada", kill_on_drop: false }` [INFO] [stderr] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks [INFO] [stderr] --> src/items/dice/numeric.rs:270:5 [INFO] [stderr] | [INFO] [stderr] 270 | #[must_use] [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stderr] = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions [INFO] [stderr] = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `tomb` (lib) generated 1 warning (run `cargo fix --lib -p tomb` to apply 1 suggestion) [INFO] [stderr] warning: `tomb` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tomb-3172723098e358c9) [INFO] [stdout] [INFO] [stdout] running 61 tests [INFO] [stdout] test items::dice::numeric::tests::numeric_die_is_clone ... ok [INFO] [stdout] test items::dice::numeric::tests::numeric_die_is_default ... ok [INFO] [stdout] test items::dice::numeric::tests::numeric_die_rotate_back ... ok [INFO] [stdout] test items::dice::numeric::tests::numeric_die_rotate_back_mut ... ok [INFO] [stdout] test items::dice::numeric::tests::numeric_die_is_eq ... ok [INFO] [stdout] test items::dice::numeric::tests::numeric_die_is_debug ... ok [INFO] [stdout] test items::dice::numeric::tests::numeric_die_rotate_back_mut_wrap ... ok [INFO] [stdout] test items::dice::numeric::tests::numeric_die_rotate_back_wrap ... ok [INFO] [stdout] test items::dice::numeric::tests::numeric_die_rotate_mut_none ... ok [INFO] [stdout] test items::dice::numeric::tests::numeric_die_rotate_next ... ok [INFO] [stdout] test items::dice::numeric::tests::numeric_die_rotate_next_mut ... ok [INFO] [stdout] test items::dice::numeric::tests::numeric_die_rotate_next_mut_wrap ... ok [INFO] [stdout] test items::dice::numeric::tests::numeric_die_rotate_none ... ok [INFO] [stdout] test items::dice::numeric::tests::numeric_die_step_back ... ok [INFO] [stdout] test items::dice::numeric::tests::numeric_die_step_back_mut ... ok [INFO] [stdout] test items::dice::numeric::tests::numeric_die_step_back_mut_wrap ... ok [INFO] [stdout] test items::dice::numeric::tests::numeric_die_rotate_next_wrap ... ok [INFO] [stdout] test items::dice::slice::tests::slice_back_mut ... ok [INFO] [stdout] test items::dice::slice::tests::slice_back_mut_wrap ... ok [INFO] [stdout] test items::dice::numeric::tests::numeric_die_step_next ... ok [INFO] [stdout] test items::dice::numeric::tests::numeric_die_step_next_mut ... ok [INFO] [stdout] test items::dice::numeric::tests::numeric_die_step_next_mut_wrap ... ok [INFO] [stdout] test items::dice::numeric::tests::numeric_die_step_back_wrap ... ok [INFO] [stdout] test items::dice::slice::tests::numeric_die_rotate_back ... ok [INFO] [stdout] test items::dice::slice::tests::numeric_die_rotate_next_mut ... ok [INFO] [stdout] test items::dice::slice::tests::numeric_die_rotate_back_mut ... ok [INFO] [stdout] test items::dice::slice::tests::numeric_die_rotate_next_mut_wrap ... ok [INFO] [stdout] test items::dice::slice::tests::numeric_die_rotate_next_wrap ... ok [INFO] [stdout] test items::dice::slice::tests::numeric_die_rotate_back_mut_wrap ... ok [INFO] [stdout] test items::dice::slice::tests::numeric_die_rotate_back_wrap ... ok [INFO] [stdout] test items::dice::slice::tests::slice_back ... ok [INFO] [stdout] test items::dice::numeric::tests::numeric_die_step_next_wrap ... ok [INFO] [stdout] test items::dice::slice::tests::slice_from ... ok [INFO] [stdout] test items::dice::slice::tests::slice_next ... ok [INFO] [stdout] test items::dice::slice::tests::slice_next_mut ... ok [INFO] [stdout] test items::dice::slice::tests::slice_next_mut_wrap ... ok [INFO] [stdout] test items::dice::slice::tests::slice_next_wrap ... ok [INFO] [stdout] test items::dice::slice::tests::slice_rotate_mut_none ... ok [INFO] [stdout] test items::dice::slice::tests::slice_rotate_next ... ok [INFO] [stdout] test items::dice::slice::tests::slice_rotate_none ... ok [INFO] [stdout] test items::dice::slice::tests::slice_sides ... ok [INFO] [stdout] test items::roller::tests::nop_roller_default ... ok [INFO] [stdout] test items::roller::tests::nop_roller_new_and_clone ... ok [INFO] [stdout] test items::roller::tests::nop_roller_no_changes ... ok [INFO] [stdout] test items::dice::slice::tests::slice_back_wrap ... ok [INFO] [stdout] test items::roller::tests::nop_roller_mut_no_changes ... ok [INFO] [stdout] test items::roller::tests::rng_roller_default ... ok [INFO] [stdout] test items::roller::tests::rng_roller_new_and_clone ... ok [INFO] [stdout] test items::dice::slice::tests::slice_new_ok ... ok [INFO] [stdout] test items::dice::numeric::tests::numeric_die_from_out_of_bounds_maximum - should panic ... ok [INFO] [stdout] test items::dice::numeric::tests::numeric_die_from_out_of_bounds_minimum - should panic ... ok [INFO] [stdout] test items::dice::slice::tests::slice_new_empty - should panic ... ok [INFO] [stdout] test items::dice::slice::tests::slice_polyhedral_sides ... ok [INFO] [stdout] test items::tests::roll ... ok [INFO] [stdout] test items::tests::roll_mut ... ok [INFO] [stdout] test traits::rotate::tests::rotate_impl_backwards ... ok [INFO] [stdout] test traits::rotate::tests::rotate_impl_forwards ... ok [INFO] [stdout] test traits::rotate::tests::rotate_impl_none ... ok [INFO] [stdout] test traits::rotate::tests::rotate_mut_impl_backwards ... ok [INFO] [stdout] test traits::rotate::tests::rotate_mut_impl_forwards ... ok [INFO] [stdout] test traits::rotate::tests::rotate_mut_impl_none ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 61 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s [INFO] [stdout] [INFO] [stderr] Doc-tests tomb [INFO] [stdout] [INFO] [stdout] running 13 tests [INFO] [stdout] test src/lib.rs - (line 16) ... ok [INFO] [stdout] test src/items/roller.rs - items::roller::NopRoller (line 9) ... ok [INFO] [stdout] test src/items/dice/numeric.rs - items::dice::numeric::D8 (line 66) ... ok [INFO] [stdout] test src/items/dice/numeric.rs - items::dice::numeric::D20 (line 102) ... ok [INFO] [stdout] test src/items/dice/numeric.rs - items::dice::numeric::D12 (line 90) ... ok [INFO] [stdout] test src/items/dice/numeric.rs - items::dice::numeric::D4 (line 42) ... ok [INFO] [stdout] test src/items/dice/numeric.rs - items::dice::numeric::NumericDie (line 21) ... ok [INFO] [stdout] test src/items/dice/numeric.rs - items::dice::numeric::NumericDie (line 14) ... ok [INFO] [stdout] test src/items/dice/slice.rs - items::dice::slice::SliceDie (line 12) ... ok [INFO] [stdout] test src/items/roller.rs - items::roller::RngRoller (line 55) ... ok [INFO] [stdout] test src/items/dice/numeric.rs - items::dice::numeric::D10 (line 78) ... ok [INFO] [stdout] test src/items/dice/numeric.rs - items::dice::numeric::D6 (line 54) ... ok [INFO] [stdout] test src/items.rs - items (line 10) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.37s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "45bd20c5f7073f183737269ea98483a234b57c580ca123bb13a1dd7188874ada", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "45bd20c5f7073f183737269ea98483a234b57c580ca123bb13a1dd7188874ada", kill_on_drop: false }` [INFO] [stdout] 45bd20c5f7073f183737269ea98483a234b57c580ca123bb13a1dd7188874ada