[INFO] fetching crate thin-vec 0.2.3...
[INFO] testing thin-vec-0.2.3 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate thin-vec 0.2.3 into /workspace/builds/worker-79/source
[INFO] validating manifest of crates.io crate thin-vec 0.2.3 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate thin-vec 0.2.3
[INFO] finished tweaking crates.io crate thin-vec 0.2.3
[INFO] tweaked toml for crates.io crate thin-vec 0.2.3 written to /workspace/builds/worker-79/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 01c41f988512c92af1ecfa9ada1f6acca5a6812e6791b0105067fd4431af0982
[INFO] running `Command { std: "docker" "start" "-a" "01c41f988512c92af1ecfa9ada1f6acca5a6812e6791b0105067fd4431af0982", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "01c41f988512c92af1ecfa9ada1f6acca5a6812e6791b0105067fd4431af0982", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01c41f988512c92af1ecfa9ada1f6acca5a6812e6791b0105067fd4431af0982", kill_on_drop: false }`
[INFO] [stdout] 01c41f988512c92af1ecfa9ada1f6acca5a6812e6791b0105067fd4431af0982
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6bb2d03b56f68d3c4fa9a1a3da7f60706f8549574d7d7dd810a725f3ceb6683d
[INFO] running `Command { std: "docker" "start" "-a" "6bb2d03b56f68d3c4fa9a1a3da7f60706f8549574d7d7dd810a725f3ceb6683d", kill_on_drop: false }`
[INFO] [stderr]    Compiling thin-vec v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.41s
[INFO] running `Command { std: "docker" "inspect" "6bb2d03b56f68d3c4fa9a1a3da7f60706f8549574d7d7dd810a725f3ceb6683d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bb2d03b56f68d3c4fa9a1a3da7f60706f8549574d7d7dd810a725f3ceb6683d", kill_on_drop: false }`
[INFO] [stdout] 6bb2d03b56f68d3c4fa9a1a3da7f60706f8549574d7d7dd810a725f3ceb6683d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 88cfe7af7ea9cb99b7daba223a20f626a6992730c6dd63da98c38d6fb6ff0552
[INFO] running `Command { std: "docker" "start" "-a" "88cfe7af7ea9cb99b7daba223a20f626a6992730c6dd63da98c38d6fb6ff0552", kill_on_drop: false }`
[INFO] [stderr]    Compiling thin-vec v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]     --> src/lib.rs:1811:9
[INFO] [stdout]      |
[INFO] [stdout] 1811 |         &x[!0..];
[INFO] [stdout]      |         ^^^^^^^^ the borrow produces a value
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1811 |         let _ = &x[!0..];
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]     --> src/lib.rs:1818:9
[INFO] [stdout]      |
[INFO] [stdout] 1818 |         &x[..6];
[INFO] [stdout]      |         ^^^^^^^ the borrow produces a value
[INFO] [stdout]      |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1818 |         let _ = &x[..6];
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]     --> src/lib.rs:1825:9
[INFO] [stdout]      |
[INFO] [stdout] 1825 |         &x[!0..4];
[INFO] [stdout]      |         ^^^^^^^^^ the borrow produces a value
[INFO] [stdout]      |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1825 |         let _ = &x[!0..4];
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]     --> src/lib.rs:1832:9
[INFO] [stdout]      |
[INFO] [stdout] 1832 |         &x[1..6];
[INFO] [stdout]      |         ^^^^^^^^ the borrow produces a value
[INFO] [stdout]      |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1832 |         let _ = &x[1..6];
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]     --> src/lib.rs:1839:9
[INFO] [stdout]      |
[INFO] [stdout] 1839 |         &x[3..2];
[INFO] [stdout]      |         ^^^^^^^^ the borrow produces a value
[INFO] [stdout]      |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1839 |         let _ = &x[3..2];
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.56s
[INFO] running `Command { std: "docker" "inspect" "88cfe7af7ea9cb99b7daba223a20f626a6992730c6dd63da98c38d6fb6ff0552", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88cfe7af7ea9cb99b7daba223a20f626a6992730c6dd63da98c38d6fb6ff0552", kill_on_drop: false }`
[INFO] [stdout] 88cfe7af7ea9cb99b7daba223a20f626a6992730c6dd63da98c38d6fb6ff0552
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 09c43b71203c504f9be828e629d16da5518e73379a897538ba6d653068409d82
[INFO] running `Command { std: "docker" "start" "-a" "09c43b71203c504f9be828e629d16da5518e73379a897538ba6d653068409d82", kill_on_drop: false }`
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]     --> src/lib.rs:1811:9
[INFO] [stderr]      |
[INFO] [stderr] 1811 |         &x[!0..];
[INFO] [stderr]      |         ^^^^^^^^ the borrow produces a value
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]      |
[INFO] [stderr] 1811 |         let _ = &x[!0..];
[INFO] [stderr]      |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]     --> src/lib.rs:1818:9
[INFO] [stderr]      |
[INFO] [stderr] 1818 |         &x[..6];
[INFO] [stderr]      |         ^^^^^^^ the borrow produces a value
[INFO] [stderr]      |
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]      |
[INFO] [stderr] 1818 |         let _ = &x[..6];
[INFO] [stderr]      |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]     --> src/lib.rs:1825:9
[INFO] [stderr]      |
[INFO] [stderr] 1825 |         &x[!0..4];
[INFO] [stderr]      |         ^^^^^^^^^ the borrow produces a value
[INFO] [stderr]      |
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]      |
[INFO] [stderr] 1825 |         let _ = &x[!0..4];
[INFO] [stderr]      |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]     --> src/lib.rs:1832:9
[INFO] [stderr]      |
[INFO] [stderr] 1832 |         &x[1..6];
[INFO] [stderr]      |         ^^^^^^^^ the borrow produces a value
[INFO] [stderr]      |
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]      |
[INFO] [stderr] 1832 |         let _ = &x[1..6];
[INFO] [stderr]      |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]     --> src/lib.rs:1839:9
[INFO] [stderr]      |
[INFO] [stderr] 1839 |         &x[3..2];
[INFO] [stderr]      |         ^^^^^^^^ the borrow produces a value
[INFO] [stderr]      |
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]      |
[INFO] [stderr] 1839 |         let _ = &x[3..2];
[INFO] [stderr]      |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `thin-vec` (lib test) generated 5 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/thin_vec-b72d21bf510a1ac1)
[INFO] [stdout] 
[INFO] [stdout] running 52 tests
[INFO] [stdout] test std_tests::test_dedup ... ok
[INFO] [stdout] test std_tests::test_dedup_by_key ... ok
[INFO] [stdout] test std_tests::test_append ... ok
[INFO] [stdout] test std_tests::test_clone ... ok
[INFO] [stdout] test std_tests::test_drain_items ... ok
[INFO] [stdout] test std_tests::test_clone_from ... ok
[INFO] [stdout] test std_tests::test_dedup_by ... ok
[INFO] [stdout] test std_tests::test_double_drop ... ok
[INFO] [stdout] test std_tests::test_dedup_unique ... ok
[INFO] [stdout] test std_tests::test_drain_inclusive_range ... ok
[INFO] [stdout] test std_tests::test_drain_items_reverse ... ok
[INFO] [stdout] test std_tests::test_extend ... ok
[INFO] [stdout] test std_tests::test_header_data ... ok
[INFO] [stdout] test std_tests::test_drain_items_zero_sized ... ok
[INFO] [stdout] test std_tests::test_move_items ... ok
[INFO] [stdout] test std_tests::test_drain_range ... ok
[INFO] [stdout] test std_tests::test_index ... ok
[INFO] [stdout] test std_tests::test_drain_max_vec_size ... ok
[INFO] [stdout] test std_tests::test_move_items_reverse ... ok
[INFO] [stdout] test std_tests::test_move_items_zero_sized ... ok
[INFO] [stdout] test std_tests::test_partition ... ok
[INFO] [stdout] test std_tests::test_reserve ... ok
[INFO] [stdout] test std_tests::test_reserve_exact ... ok
[INFO] [stdout] test std_tests::test_retain ... ok
[INFO] [stdout] test std_tests::test_slice_from_mut ... ok
[INFO] [stdout] test std_tests::test_small_vec_struct ... ok
[INFO] [stdout] test std_tests::test_split_at_mut ... ok
[INFO] [stdout] test std_tests::test_slice_to_mut ... ok
[INFO] [stdout] test std_tests::test_split_off ... ok
[INFO] [stdout] test std_tests::test_vec_truncate_drop ... ok
[INFO] [stdout] test std_tests::test_zip_unzip ... ok
[INFO] [stdout] test std_tests::zero_sized_values ... ok
[INFO] [stdout] test tests::test_alloc ... ok
[INFO] [stdout] test tests::test_drain_items_reverse ... ok
[INFO] [stdout] test tests::test_drain_items_zero_sized ... ok
[INFO] [stdout] test tests::test_drain_max_vec_size ... ok
[INFO] [stdout] test tests::test_drain_items ... ok
[INFO] [stdout] test tests::test_drain_range ... ok
[INFO] [stdout] test tests::test_partial_eq ... ok
[INFO] [stdout] test tests::test_drop_empty ... ok
[INFO] [stdout] test tests::test_size_of ... ok
[INFO] [stdout] test std_tests::test_drain_inclusive_out_of_bounds - should panic ... ok
[INFO] [stdout] test std_tests::test_drain_out_of_bounds - should panic ... ok
[INFO] [stdout] test std_tests::test_index_out_of_bounds - should panic ... ok
[INFO] [stdout] test std_tests::test_slice_out_of_bounds_1 - should panic ... ok
[INFO] [stdout] test std_tests::test_slice_out_of_bounds_2 - should panic ... ok
[INFO] [stdout] test std_tests::test_slice_out_of_bounds_3 - should panic ... ok
[INFO] [stdout] test std_tests::test_slice_out_of_bounds_4 - should panic ... ok
[INFO] [stdout] test std_tests::test_slice_out_of_bounds_5 - should panic ... ok
[INFO] [stdout] test std_tests::test_swap_remove_empty - should panic ... ok
[INFO] [stdout] test std_tests::test_vec_truncate_fail - should panic ... ok
[INFO] [stdout] test tests::test_drain_out_of_bounds - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 52 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.18s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests thin-vec
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/lib.rs - (line 40) ... ignored
[INFO] [stdout] test src/lib.rs - (line 49) ... ok
[INFO] [stdout] test src/lib.rs - ThinVec<T>::dedup_by_key (line 730) ... ok
[INFO] [stdout] test src/lib.rs - ThinVec<T>::dedup_by (line 754) ... ok
[INFO] [stdout] test src/lib.rs - ThinVec<T>::resize (line 935) ... ok
[INFO] [stdout] test src/lib.rs - thin_vec (line 404) ... ok
[INFO] [stdout] test src/lib.rs - ThinVec<T>::dedup (line 977) ... ok
[INFO] [stdout] test src/lib.rs - ThinVec<T>::retain (line 697) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.63s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "09c43b71203c504f9be828e629d16da5518e73379a897538ba6d653068409d82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09c43b71203c504f9be828e629d16da5518e73379a897538ba6d653068409d82", kill_on_drop: false }`
[INFO] [stdout] 09c43b71203c504f9be828e629d16da5518e73379a897538ba6d653068409d82