[INFO] fetching crate std_nightly_to_stable_3db085279c83 0.1.1...
[INFO] testing std_nightly_to_stable_3db085279c83-0.1.1 against try#33835004928d3bf65db4d4712e1330766263b0bd for pr-155739-1
[INFO] extracting crate std_nightly_to_stable_3db085279c83 0.1.1 into /workspace/builds/worker-5-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-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate std_nightly_to_stable_3db085279c83 0.1.1 on toolchain 33835004928d3bf65db4d4712e1330766263b0bd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "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" "+33835004928d3bf65db4d4712e1330766263b0bd" "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" "+33835004928d3bf65db4d4712e1330766263b0bd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d35b78e01980b5cbd3fe12180cb1d5271474b401524ff93d2110cfc1f0782307
[INFO] running `Command { std: "docker" "start" "-a" "d35b78e01980b5cbd3fe12180cb1d5271474b401524ff93d2110cfc1f0782307", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d35b78e01980b5cbd3fe12180cb1d5271474b401524ff93d2110cfc1f0782307", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d35b78e01980b5cbd3fe12180cb1d5271474b401524ff93d2110cfc1f0782307", kill_on_drop: false }`
[INFO] [stdout] d35b78e01980b5cbd3fe12180cb1d5271474b401524ff93d2110cfc1f0782307
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+33835004928d3bf65db4d4712e1330766263b0bd" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af2f8d0c65d9f1d1a0239248230e458fb80318218071eaa5fc40f04ce4d89cbb
[INFO] running `Command { std: "docker" "start" "-a" "af2f8d0c65d9f1d1a0239248230e458fb80318218071eaa5fc40f04ce4d89cbb", 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, foreign functions, functions, inherent methods, provided trait methods, required trait methods, 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, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "af2f8d0c65d9f1d1a0239248230e458fb80318218071eaa5fc40f04ce4d89cbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af2f8d0c65d9f1d1a0239248230e458fb80318218071eaa5fc40f04ce4d89cbb", kill_on_drop: false }`
[INFO] [stdout] af2f8d0c65d9f1d1a0239248230e458fb80318218071eaa5fc40f04ce4d89cbb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ebe7e98245ea8c0c9dd968763a6194ada2b22d27012f9c167f64556c71039eae
[INFO] running `Command { std: "docker" "start" "-a" "ebe7e98245ea8c0c9dd968763a6194ada2b22d27012f9c167f64556c71039eae", 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, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[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: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, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[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, foreign functions, functions, inherent methods, provided trait methods, required trait methods, 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, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "ebe7e98245ea8c0c9dd968763a6194ada2b22d27012f9c167f64556c71039eae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebe7e98245ea8c0c9dd968763a6194ada2b22d27012f9c167f64556c71039eae", kill_on_drop: false }`
[INFO] [stdout] ebe7e98245ea8c0c9dd968763a6194ada2b22d27012f9c167f64556c71039eae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3c56f9018a7f61d758cf30df6febac14d7c7e983a1f9834978e1d70da58f17de
[INFO] running `Command { std: "docker" "start" "-a" "3c56f9018a7f61d758cf30df6febac14d7c7e983a1f9834978e1d70da58f17de", 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, foreign functions, functions, inherent methods, provided trait methods, required trait methods, 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, foreign functions, functions, inherent methods, provided trait methods, required trait methods, 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 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/std_nightly_to_stable_3db085279c83-d7c61d91e9bb92e5)
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test xcore::iter::test_is_sorted ... ok
[INFO] [stdout] test xcore::test_array_windows_count ... ok
[INFO] [stdout] test xcore::test_array_windows_infer ... ok
[INFO] [stdout] test xcore::test_array_windows_nth ... ok
[INFO] [stdout] test xcore::test_array_windows_nth_back ... ok
[INFO] [stdout] test xcore::test_slice_partition_dedup_by ... ok
[INFO] [stdout] test xcore::test_is_sorted ... ok
[INFO] [stdout] test xcore::test_slice_partition_dedup_one ... ok
[INFO] [stdout] test xcore::test_slice_partition_dedup_partialeq ... ok
[INFO] [stdout] test xstd::io::io_slice_advance_slices ... ok
[INFO] [stdout] test xstd::io::io_slice_mut_advance_slices ... ok
[INFO] [stdout] test xstd::io::test_write_all_vectored ... ok
[INFO] [stdout] test xcore::test_slice_partition_dedup_empty ... ok
[INFO] [stdout] test xcore::test_slice_partition_dedup_multiple_ident ... ok
[INFO] [stdout] test xstd::io::io_slice_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_empty_slice - should panic ... ok
[INFO] [stderr]    Doc-tests std_nightly_to_stable_3db085279c83
[INFO] [stdout] test xstd::io::io_slice_mut_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 0.03s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test src/lib.rs - xcore::SliceExt::array_windows_pr75026 (line 422) ... ok
[INFO] [stdout] test src/lib.rs - xcore::SliceExt::partition_dedup_pr54058 (line 453) ... ok
[INFO] [stdout] test src/lib.rs - xcore::SliceExt::is_sorted_by_pr118811 (line 352) ... 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_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 - 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 - xstd::io::IoSliceExt::advance_pr116070 (line 954) ... ok
[INFO] [stdout] test src/lib.rs - xcore::iter::Iterator::is_sorted_by_pr118811 (line 71) ... ok
[INFO] [stdout] test src/lib.rs - xcore::iter::Iterator::is_sorted_pr118811 (line 37) ... ok
[INFO] [stdout] test src/lib.rs - xstd::io::IoSliceMutExt::advance_pr116070 (line 841) ... ok
[INFO] [stdout] test src/lib.rs - xstd::io::IoSliceMutExt::advance_slices_pr116070 (line 879) ... 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_slices_pr116070 (line 992) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.43s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3c56f9018a7f61d758cf30df6febac14d7c7e983a1f9834978e1d70da58f17de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c56f9018a7f61d758cf30df6febac14d7c7e983a1f9834978e1d70da58f17de", kill_on_drop: false }`
[INFO] [stdout] 3c56f9018a7f61d758cf30df6febac14d7c7e983a1f9834978e1d70da58f17de
