[INFO] fetching crate thin-vec 0.2.14...
[INFO] testing thin-vec-0.2.14 against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] extracting crate thin-vec 0.2.14 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate thin-vec 0.2.14
[INFO] finished tweaking crates.io crate thin-vec 0.2.14
[INFO] tweaked toml for crates.io crate thin-vec 0.2.14 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate thin-vec 0.2.14 on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate thin-vec 0.2.14 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 842fe60d4cd28897f918b7a08786f43403bee4cbc3d1b6f92814d5a7711c9004
[INFO] running `Command { std: "docker" "start" "-a" "842fe60d4cd28897f918b7a08786f43403bee4cbc3d1b6f92814d5a7711c9004", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "842fe60d4cd28897f918b7a08786f43403bee4cbc3d1b6f92814d5a7711c9004", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "842fe60d4cd28897f918b7a08786f43403bee4cbc3d1b6f92814d5a7711c9004", kill_on_drop: false }`
[INFO] [stdout] 842fe60d4cd28897f918b7a08786f43403bee4cbc3d1b6f92814d5a7711c9004
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Copt-level=3" "-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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e16d34f4b64a8995a57f2a7dfe2ae0f8d5f7d155234b01cbcd062f379d05bc4
[INFO] running `Command { std: "docker" "start" "-a" "6e16d34f4b64a8995a57f2a7dfe2ae0f8d5f7d155234b01cbcd062f379d05bc4", kill_on_drop: false }`
[INFO] [stderr]    Compiling thin-vec v0.2.14 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "6e16d34f4b64a8995a57f2a7dfe2ae0f8d5f7d155234b01cbcd062f379d05bc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e16d34f4b64a8995a57f2a7dfe2ae0f8d5f7d155234b01cbcd062f379d05bc4", kill_on_drop: false }`
[INFO] [stdout] 6e16d34f4b64a8995a57f2a7dfe2ae0f8d5f7d155234b01cbcd062f379d05bc4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Copt-level=3" "-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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84fab36cb71479a0b2b28e6be5bd8b1b0a5fdcdbd35de33a2f767c282c4ff4a7
[INFO] running `Command { std: "docker" "start" "-a" "84fab36cb71479a0b2b28e6be5bd8b1b0a5fdcdbd35de33a2f767c282c4ff4a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]    Compiling serde_test v1.0.177
[INFO] [stderr]    Compiling thin-vec v0.2.14 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]     --> src/lib.rs:2703:24
[INFO] [stdout]      |
[INFO] [stdout] 2703 |         struct Align16(u8);
[INFO] [stdout]      |                ------- ^^
[INFO] [stdout]      |                |
[INFO] [stdout]      |                field in this struct
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider removing this field
[INFO] [stdout]      = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]     --> src/lib.rs:3430:21
[INFO] [stdout]      |
[INFO] [stdout] 3430 |         struct Elem(i32);
[INFO] [stdout]      |                ---- ^^^
[INFO] [stdout]      |                |
[INFO] [stdout]      |                field in this struct
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 9.92s
[INFO] running `Command { std: "docker" "inspect" "84fab36cb71479a0b2b28e6be5bd8b1b0a5fdcdbd35de33a2f767c282c4ff4a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84fab36cb71479a0b2b28e6be5bd8b1b0a5fdcdbd35de33a2f767c282c4ff4a7", kill_on_drop: false }`
[INFO] [stdout] 84fab36cb71479a0b2b28e6be5bd8b1b0a5fdcdbd35de33a2f767c282c4ff4a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Copt-level=3" "-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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] aafe88d41ed756d099e982ed1a105302f1db57ec2f00346ec57fd084ea93a637
[INFO] running `Command { std: "docker" "start" "-a" "aafe88d41ed756d099e982ed1a105302f1db57ec2f00346ec57fd084ea93a637", kill_on_drop: false }`
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]     --> src/lib.rs:2703:24
[INFO] [stderr]      |
[INFO] [stderr] 2703 |         struct Align16(u8);
[INFO] [stderr]      |                ------- ^^
[INFO] [stderr]      |                |
[INFO] [stderr]      |                field in this struct
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider removing this field
[INFO] [stderr]      = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]     --> src/lib.rs:3430:21
[INFO] [stderr]      |
[INFO] [stderr] 3430 |         struct Elem(i32);
[INFO] [stderr]      |                ---- ^^^
[INFO] [stderr]      |                |
[INFO] [stderr]      |                field in this struct
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider removing this field
[INFO] [stderr] 
[INFO] [stderr] warning: `thin-vec` (lib test) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/thin_vec-520f3d8f6d753939)
[INFO] [stdout] 
[INFO] [stdout] running 79 tests
[INFO] [stdout] test std_tests::test_append ... ok
[INFO] [stdout] test std_tests::test_dedup ... ok
[INFO] [stdout] test std_tests::test_dedup_by ... ok
[INFO] [stdout] test std_tests::test_clone ... ok
[INFO] [stdout] test std_tests::test_dedup_unique ... ok
[INFO] [stdout] test std_tests::overaligned_allocations ... 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_inclusive_range ... ok
[INFO] [stdout] test std_tests::test_index ... 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_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_drain_max_vec_size ... ok
[INFO] [stdout] test std_tests::test_drain_items ... ok
[INFO] [stdout] test std_tests::test_into_iter_as_mut_slice ... ok
[INFO] [stdout] test std_tests::test_move_items_zero_sized ... ok
[INFO] [stdout] test std_tests::test_into_iter_as_slice ... ok
[INFO] [stdout] test std_tests::test_into_iter_clone ... ok
[INFO] [stdout] test std_tests::test_into_iter_count ... ok
[INFO] [stdout] test std_tests::test_into_iter_debug ... ok
[INFO] [stdout] test std_tests::test_move_items ... 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_mut ... ok
[INFO] [stdout] test std_tests::test_retain ... ok
[INFO] [stdout] test std_tests::test_set_len ... ok
[INFO] [stdout] test std_tests::test_slice_from_mut ... ok
[INFO] [stdout] test std_tests::test_set_len_invalid - should panic ... FAILED
[INFO] [stdout] test std_tests::test_move_items_reverse ... ok
[INFO] [stdout] test std_tests::test_slice_to_mut ... ok
[INFO] [stdout] test std_tests::test_splice ... ok
[INFO] [stdout] test std_tests::test_small_vec_struct ... ok
[INFO] [stdout] test std_tests::test_splice_forget ... ok
[INFO] [stdout] test std_tests::test_splice_from_empty ... ok
[INFO] [stdout] test std_tests::test_splice_items_zero_sized ... ok
[INFO] [stdout] test std_tests::test_splice_inclusive_range ... ok
[INFO] [stdout] test std_tests::test_splice_unbounded ... ok
[INFO] [stdout] test std_tests::test_split_at_mut ... ok
[INFO] [stdout] test std_tests::test_capacity_overflow_cap_really_isnt_isize - should panic ... ok
[INFO] [stdout] test std_tests::test_swap_remove_empty - should panic ... ok
[INFO] [stdout] test std_tests::test_vec_truncate_drop ... ok
[INFO] [stdout] test std_tests::test_capacity_overflow_cap_too_big - should panic ... ok
[INFO] [stdout] test std_tests::test_capacity_overflow_size_mul1 - should panic ... ok
[INFO] [stdout] test std_tests::test_capacity_overflow_header_too_big - should panic ... ok
[INFO] [stdout] test std_tests::test_zip_unzip ... ok
[INFO] [stdout] test tests::test_alloc ... ok
[INFO] [stdout] test tests::test_clear ... ok
[INFO] [stdout] test tests::test_data_ptr_alignment ... ok
[INFO] [stdout] test std_tests::test_drain_inclusive_out_of_bounds - should panic ... ok
[INFO] [stdout] test std_tests::test_capacity_overflow_size_mul2 - should panic ... ok
[INFO] [stdout] test tests::test_drain_items ... ok
[INFO] [stdout] test tests::test_drain_items_zero_sized ... ok
[INFO] [stdout] test std_tests::test_drain_out_of_bounds - should panic ... ok
[INFO] [stdout] test tests::test_drain_range ... ok
[INFO] [stdout] test tests::test_drain_out_of_bounds - should panic ... ok
[INFO] [stdout] test tests::test_drain_max_vec_size ... ok
[INFO] [stdout] test std_tests::test_index_out_of_bounds - should panic ... ok
[INFO] [stdout] test tests::test_drop_empty ... ok
[INFO] [stdout] test tests::test_empty_singleton_torture ... ok
[INFO] [stdout] test std_tests::test_slice_out_of_bounds_1 - should panic ... ok
[INFO] [stdout] test tests::test_overaligned_type_is_rejected_for_gecko_ffi_mode ... ok
[INFO] [stdout] test tests::test_partial_eq ... ok
[INFO] [stdout] test tests::test_size_of ... 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_splice_out_of_bounds - should panic ... ok
[INFO] [stdout] test std_tests::test_splice_inclusive_out_of_bounds - should panic ... ok
[INFO] [stdout] test std_tests::zero_sized_values ... ok
[INFO] [stdout] test tests::test_clone ... ok
[INFO] [stdout] test tests::test_drain_items_reverse ... ok
[INFO] [stdout] test std_tests::test_vec_truncate_fail - should panic ... ok
[INFO] [stdout] test std_tests::test_split_off ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- std_tests::test_set_len_invalid stdout ----
[INFO] [stdout] note: test did not panic as expected at src/lib.rs:4301:8
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     std_tests::test_set_len_invalid
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 78 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "aafe88d41ed756d099e982ed1a105302f1db57ec2f00346ec57fd084ea93a637", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aafe88d41ed756d099e982ed1a105302f1db57ec2f00346ec57fd084ea93a637", kill_on_drop: false }`
[INFO] [stdout] aafe88d41ed756d099e982ed1a105302f1db57ec2f00346ec57fd084ea93a637
