[INFO] fetching crate thin-vec 0.2.3...
[INFO] testing thin-vec-0.2.3 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate thin-vec 0.2.3 into /workspace/builds/worker-34/source
[INFO] validating manifest of crates.io crate thin-vec 0.2.3 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-34/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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" "+62efba8a050c64249dab942951bb28f710208bc8" "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-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] daa6be98f1c71565369f4fd00c9863344998418208d215d73f54c04e5e5b232c
[INFO] running `Command { std: "docker" "start" "-a" "daa6be98f1c71565369f4fd00c9863344998418208d215d73f54c04e5e5b232c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "daa6be98f1c71565369f4fd00c9863344998418208d215d73f54c04e5e5b232c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "daa6be98f1c71565369f4fd00c9863344998418208d215d73f54c04e5e5b232c", kill_on_drop: false }`
[INFO] [stdout] daa6be98f1c71565369f4fd00c9863344998418208d215d73f54c04e5e5b232c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 47a0002a1b674b592f5821de9b2df75ddb51080d787d2ce19c1384553a3215c5
[INFO] running `Command { std: "docker" "start" "-a" "47a0002a1b674b592f5821de9b2df75ddb51080d787d2ce19c1384553a3215c5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling thin-vec v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "47a0002a1b674b592f5821de9b2df75ddb51080d787d2ce19c1384553a3215c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47a0002a1b674b592f5821de9b2df75ddb51080d787d2ce19c1384553a3215c5", kill_on_drop: false }`
[INFO] [stdout] 47a0002a1b674b592f5821de9b2df75ddb51080d787d2ce19c1384553a3215c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f996533cacc82262031383cba7a0d36948234dd5899aca027d39c902dfba6713
[INFO] running `Command { std: "docker" "start" "-a" "f996533cacc82262031383cba7a0d36948234dd5899aca027d39c902dfba6713", 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 2.90s
[INFO] running `Command { std: "docker" "inspect" "f996533cacc82262031383cba7a0d36948234dd5899aca027d39c902dfba6713", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f996533cacc82262031383cba7a0d36948234dd5899aca027d39c902dfba6713", kill_on_drop: false }`
[INFO] [stdout] f996533cacc82262031383cba7a0d36948234dd5899aca027d39c902dfba6713
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2394a58f05f9a9a20a331efcca60c7dbfa5cc97f8f246e914fad1bf5dac43df2
[INFO] running `Command { std: "docker" "start" "-a" "2394a58f05f9a9a20a331efcca60c7dbfa5cc97f8f246e914fad1bf5dac43df2", 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 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/thin_vec-19f256373de31254)
[INFO] [stdout] 
[INFO] [stdout] running 52 tests
[INFO] [stdout] test std_tests::test_append ... ok
[INFO] [stdout] test std_tests::test_clone ... ok
[INFO] [stdout] test std_tests::test_dedup_by ... ok
[INFO] [stdout] test std_tests::test_dedup_unique ... ok
[INFO] [stdout] test std_tests::test_dedup ... ok
[INFO] [stdout] test std_tests::test_drain_inclusive_range ... ok
[INFO] [stdout] test std_tests::test_drain_items_zero_sized ... ok
[INFO] [stdout] test std_tests::test_double_drop ... ok
[INFO] [stdout] test std_tests::test_clone_from ... ok
[INFO] [stdout] test std_tests::test_dedup_by_key ... ok
[INFO] [stdout] test std_tests::test_drain_items ... ok
[INFO] [stdout] test std_tests::test_drain_items_reverse ... ok
[INFO] [stdout] test std_tests::test_drain_range ... ok
[INFO] [stdout] test std_tests::test_drain_max_vec_size ... ok
[INFO] [stdout] test std_tests::test_extend ... ok
[INFO] [stdout] test std_tests::test_index ... ok
[INFO] [stdout] test std_tests::test_move_items_reverse ... ok
[INFO] [stdout] test std_tests::test_move_items ... ok
[INFO] [stdout] test std_tests::test_header_data ... 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_retain ... ok
[INFO] [stdout] test std_tests::test_slice_to_mut ... ok
[INFO] [stdout] test std_tests::test_reserve_exact ... ok
[INFO] [stdout] test std_tests::test_slice_from_mut ... ok
[INFO] [stdout] test std_tests::test_reserve ... 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_vec_truncate_drop ... ok
[INFO] [stdout] test tests::test_drain_items ... ok
[INFO] [stdout] test tests::test_drain_items_reverse ... ok
[INFO] [stdout] test tests::test_drain_items_zero_sized ... ok
[INFO] [stdout] test std_tests::test_zip_unzip ... ok
[INFO] [stdout] test tests::test_alloc ... ok
[INFO] [stdout] test std_tests::zero_sized_values ... ok
[INFO] [stdout] test tests::test_drain_max_vec_size ... ok
[INFO] [stdout] test std_tests::test_split_off ... ok
[INFO] [stdout] test tests::test_drain_range ... ok
[INFO] [stdout] test tests::test_partial_eq ... ok
[INFO] [stdout] test tests::test_size_of ... ok
[INFO] [stdout] test tests::test_drop_empty ... 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_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_slice_out_of_bounds_2 - should panic ... ok
[INFO] [stdout] test std_tests::test_slice_out_of_bounds_1 - 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 0.17s
[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 (line 977) ... ok
[INFO] [stdout] test src/lib.rs - ThinVec<T>::retain (line 697) ... ok
[INFO] [stdout] test src/lib.rs - thin_vec (line 404) ... 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] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.40s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2394a58f05f9a9a20a331efcca60c7dbfa5cc97f8f246e914fad1bf5dac43df2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2394a58f05f9a9a20a331efcca60c7dbfa5cc97f8f246e914fad1bf5dac43df2", kill_on_drop: false }`
[INFO] [stdout] 2394a58f05f9a9a20a331efcca60c7dbfa5cc97f8f246e914fad1bf5dac43df2