[INFO] fetching crate std_nightly_to_stable_3db085279c83 0.1.1... [INFO] testing std_nightly_to_stable_3db085279c83-0.1.1 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1 [INFO] extracting crate std_nightly_to_stable_3db085279c83 0.1.1 into /workspace/builds/worker-1-tc2/source [INFO] started tweaking crates.io crate std_nightly_to_stable_3db085279c83 0.1.1 [INFO] finished tweaking crates.io crate std_nightly_to_stable_3db085279c83 0.1.1 [INFO] tweaked toml for crates.io crate std_nightly_to_stable_3db085279c83 0.1.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate std_nightly_to_stable_3db085279c83 0.1.1 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f5f19e98c22d2940c9e1efa4c2336f6dbac3ea88025ae8d6155781376e288d1e [INFO] running `Command { std: "docker" "start" "-a" "f5f19e98c22d2940c9e1efa4c2336f6dbac3ea88025ae8d6155781376e288d1e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f5f19e98c22d2940c9e1efa4c2336f6dbac3ea88025ae8d6155781376e288d1e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f5f19e98c22d2940c9e1efa4c2336f6dbac3ea88025ae8d6155781376e288d1e", kill_on_drop: false }` [INFO] [stdout] f5f19e98c22d2940c9e1efa4c2336f6dbac3ea88025ae8d6155781376e288d1e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c8d95fc0582f26d3c19b350db7cbe6f012c54647907952c117f7132743b11a2a [INFO] running `Command { std: "docker" "start" "-a" "c8d95fc0582f26d3c19b350db7cbe6f012c54647907952c117f7132743b11a2a", kill_on_drop: false }` [INFO] [stderr] Compiling std_nightly_to_stable_3db085279c83 v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks [INFO] [stdout] --> src/lib.rs:556:9 [INFO] [stdout] | [INFO] [stdout] 556 | #[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, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits [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/lib.rs:565:9 [INFO] [stdout] | [INFO] [stdout] 565 | #[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, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.29s [INFO] running `Command { std: "docker" "inspect" "c8d95fc0582f26d3c19b350db7cbe6f012c54647907952c117f7132743b11a2a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c8d95fc0582f26d3c19b350db7cbe6f012c54647907952c117f7132743b11a2a", kill_on_drop: false }` [INFO] [stdout] c8d95fc0582f26d3c19b350db7cbe6f012c54647907952c117f7132743b11a2a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ac197dc617d752737c00aba9958c13432552563f6e67d68cfa327cbda9f89c9d [INFO] running `Command { std: "docker" "start" "-a" "ac197dc617d752737c00aba9958c13432552563f6e67d68cfa327cbda9f89c9d", kill_on_drop: false }` [INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks [INFO] [stdout] --> src/lib.rs:556:9 [INFO] [stdout] | [INFO] [stdout] 556 | #[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, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits [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/lib.rs:565:9 [INFO] [stdout] | [INFO] [stdout] 565 | #[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, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling std_nightly_to_stable_3db085279c83 v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks [INFO] [stdout] --> src/lib.rs:556:9 [INFO] [stdout] | [INFO] [stdout] 556 | #[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, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits [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/lib.rs:565:9 [INFO] [stdout] | [INFO] [stdout] 565 | #[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, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.58s [INFO] running `Command { std: "docker" "inspect" "ac197dc617d752737c00aba9958c13432552563f6e67d68cfa327cbda9f89c9d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ac197dc617d752737c00aba9958c13432552563f6e67d68cfa327cbda9f89c9d", kill_on_drop: false }` [INFO] [stdout] ac197dc617d752737c00aba9958c13432552563f6e67d68cfa327cbda9f89c9d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 036c0157928051cdf2e5440ff5eb6818dedd3368e24ec08f79c4b826ad189404 [INFO] running `Command { std: "docker" "start" "-a" "036c0157928051cdf2e5440ff5eb6818dedd3368e24ec08f79c4b826ad189404", kill_on_drop: false }` [INFO] [stderr] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks [INFO] [stderr] --> src/lib.rs:556:9 [INFO] [stderr] | [INFO] [stderr] 556 | #[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, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits [INFO] [stderr] = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks [INFO] [stderr] --> src/lib.rs:565:9 [INFO] [stderr] | [INFO] [stderr] 565 | #[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, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits [INFO] [stderr] [INFO] [stderr] warning: `std_nightly_to_stable_3db085279c83` (lib) generated 2 warnings (run `cargo fix --lib -p std_nightly_to_stable_3db085279c83` to apply 2 suggestions) [INFO] [stderr] warning: `std_nightly_to_stable_3db085279c83` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/std_nightly_to_stable_3db085279c83-db73585026eb8e6c) [INFO] [stdout] [INFO] [stdout] running 18 tests [INFO] [stdout] test xcore::test_array_windows_count ... ok [INFO] [stdout] test xcore::test_array_windows_infer ... ok [INFO] [stdout] test xcore::iter::test_is_sorted ... ok [INFO] [stdout] test xcore::test_array_windows_nth ... ok [INFO] [stdout] test xcore::test_slice_partition_dedup_partialeq ... ok [INFO] [stdout] test xcore::test_array_windows_nth_back ... ok [INFO] [stdout] test xcore::test_is_sorted ... ok [INFO] [stdout] test xcore::test_slice_partition_dedup_by ... ok [INFO] [stdout] test xcore::test_slice_partition_dedup_one ... ok [INFO] [stdout] test xcore::test_slice_partition_dedup_empty ... ok [INFO] [stdout] test xstd::io::io_slice_advance_slices ... ok [INFO] [stdout] test xstd::io::test_write_all_vectored ... ok [INFO] [stdout] test xstd::io::io_slice_mut_advance_slices ... ok [INFO] [stdout] test xstd::io::io_slice_advance_slices_empty_slice - should panic ... ok [INFO] [stdout] test xcore::test_slice_partition_dedup_multiple_ident ... ok [INFO] [stdout] test xstd::io::io_slice_mut_advance_slices_beyond_total_length - should panic ... ok [INFO] [stdout] test xstd::io::io_slice_mut_advance_slices_empty_slice - should panic ... ok [INFO] [stdout] test xstd::io::io_slice_advance_slices_beyond_total_length - should panic ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s [INFO] [stdout] [INFO] [stderr] Doc-tests std_nightly_to_stable_3db085279c83 [INFO] [stdout] [INFO] [stdout] running 15 tests [INFO] [stdout] test src/lib.rs - xcore::iter::Iterator::is_sorted_by_pr118811 (line 71) ... ok [INFO] [stdout] test src/lib.rs - xcore::SliceExt::is_sorted_by_key_pr118811 (line 388) ... ok [INFO] [stdout] test src/lib.rs - xcore::iter::Iterator::is_sorted_pr118811 (line 37) ... ok [INFO] [stdout] test src/lib.rs - xcore::SliceExt::partition_dedup_by_key_pr54058 (line 524) ... ok [INFO] [stdout] test src/lib.rs - xcore::SliceExt::partition_dedup_by_pr54058 (line 493) ... ok [INFO] [stdout] test src/lib.rs - xcore::SliceExt::array_windows_pr75026 (line 422) ... ok [INFO] [stdout] test src/lib.rs - xstd::io::Write::write_all_vectored_pr116070 (line 1181) ... ok [INFO] [stdout] test src/lib.rs - xstd::io::IoSliceExt::advance_pr116070 (line 954) ... ok [INFO] [stdout] test src/lib.rs - xstd::io::IoSliceMutExt::advance_pr116070 (line 841) ... ok [INFO] [stdout] test src/lib.rs - xcore::SliceExt::is_sorted_by_pr118811 (line 352) ... ok [INFO] [stdout] test src/lib.rs - xstd::io::IoSliceExt::advance_slices_pr116070 (line 992) ... ok [INFO] [stdout] test src/lib.rs - xcore::iter::Iterator::is_sorted_by_key_pr118811 (line 131) ... ok [INFO] [stdout] test src/lib.rs - xcore::SliceExt::is_sorted_pr118811 (line 318) ... ok [INFO] [stdout] test src/lib.rs - xstd::io::IoSliceMutExt::advance_slices_pr116070 (line 879) ... ok [INFO] [stdout] test src/lib.rs - xcore::SliceExt::partition_dedup_pr54058 (line 453) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.74s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "036c0157928051cdf2e5440ff5eb6818dedd3368e24ec08f79c4b826ad189404", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "036c0157928051cdf2e5440ff5eb6818dedd3368e24ec08f79c4b826ad189404", kill_on_drop: false }` [INFO] [stdout] 036c0157928051cdf2e5440ff5eb6818dedd3368e24ec08f79c4b826ad189404