[INFO] fetching crate exhaust 0.2.4...
[INFO] testing exhaust-0.2.4 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate exhaust 0.2.4 into /workspace/builds/worker-3-tc2/source
[INFO] removed /workspace/builds/worker-3-tc2/source/.cargo/config.toml
[INFO] started tweaking crates.io crate exhaust 0.2.4
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate exhaust 0.2.4
[INFO] tweaked toml for crates.io crate exhaust 0.2.4 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate exhaust 0.2.4 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate exhaust 0.2.4 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" "+b83b707f97d809763b7861afa7638871f3339a33" "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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cf42a94c7239fc635877a3775901405dc8c53c3b9e4d984b64ba07c04431979e
[INFO] running `Command { std: "docker" "start" "-a" "cf42a94c7239fc635877a3775901405dc8c53c3b9e4d984b64ba07c04431979e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf42a94c7239fc635877a3775901405dc8c53c3b9e4d984b64ba07c04431979e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf42a94c7239fc635877a3775901405dc8c53c3b9e4d984b64ba07c04431979e", kill_on_drop: false }`
[INFO] [stdout] cf42a94c7239fc635877a3775901405dc8c53c3b9e4d984b64ba07c04431979e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d83b38d5208ccc6a49b7f4340ffdff8bb41a87ce1f18503a05b9c7e910eef65c
[INFO] running `Command { std: "docker" "start" "-a" "d83b38d5208ccc6a49b7f4340ffdff8bb41a87ce1f18503a05b9c7e910eef65c", kill_on_drop: false }`
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling syn v2.0.73
[INFO] [stderr]    Compiling mutants v0.0.3
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling exhaust-macros v0.2.4
[INFO] [stderr]    Compiling exhaust v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.27s
[INFO] running `Command { std: "docker" "inspect" "d83b38d5208ccc6a49b7f4340ffdff8bb41a87ce1f18503a05b9c7e910eef65c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d83b38d5208ccc6a49b7f4340ffdff8bb41a87ce1f18503a05b9c7e910eef65c", kill_on_drop: false }`
[INFO] [stdout] d83b38d5208ccc6a49b7f4340ffdff8bb41a87ce1f18503a05b9c7e910eef65c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ec5b37bf8ad92a531f4c34a3ddac16a66f97c6f905cf3f3242702a08ec7582e
[INFO] running `Command { std: "docker" "start" "-a" "8ec5b37bf8ad92a531f4c34a3ddac16a66f97c6f905cf3f3242702a08ec7582e", kill_on_drop: false }`
[INFO] [stderr]    Compiling exhaust v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum `EnumInsideFn` is never used
[INFO] [stdout]    --> tests/deriving.rs:260:10
[INFO] [stdout]     |
[INFO] [stdout] 260 |     enum EnumInsideFn<T> {
[INFO] [stdout]     |          ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `EnumInsideMod` is never used
[INFO] [stdout]    --> tests/deriving.rs:246:10
[INFO] [stdout]     |
[INFO] [stdout] 246 |     enum EnumInsideMod<T> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `StructInsideMod` is never constructed
[INFO] [stdout]    --> tests/deriving.rs:252:12
[INFO] [stdout]     |
[INFO] [stdout] 252 |     struct StructInsideMod(bool);
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.23s
[INFO] running `Command { std: "docker" "inspect" "8ec5b37bf8ad92a531f4c34a3ddac16a66f97c6f905cf3f3242702a08ec7582e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ec5b37bf8ad92a531f4c34a3ddac16a66f97c6f905cf3f3242702a08ec7582e", kill_on_drop: false }`
[INFO] [stdout] 8ec5b37bf8ad92a531f4c34a3ddac16a66f97c6f905cf3f3242702a08ec7582e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5f2764a5b82d9609f91492f45a7a001b2b0d04b53e41b7c9e2634079d70460d1
[INFO] running `Command { std: "docker" "start" "-a" "5f2764a5b82d9609f91492f45a7a001b2b0d04b53e41b7c9e2634079d70460d1", kill_on_drop: false }`
[INFO] [stderr] warning: enum `EnumInsideFn` is never used
[INFO] [stderr]    --> tests/deriving.rs:260:10
[INFO] [stderr]     |
[INFO] [stderr] 260 |     enum EnumInsideFn<T> {
[INFO] [stderr]     |          ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum `EnumInsideMod` is never used
[INFO] [stderr]    --> tests/deriving.rs:246:10
[INFO] [stderr]     |
[INFO] [stderr] 246 |     enum EnumInsideMod<T> {
[INFO] [stderr]     |          ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `StructInsideMod` is never constructed
[INFO] [stderr]    --> tests/deriving.rs:252:12
[INFO] [stderr]     |
[INFO] [stderr] 252 |     struct StructInsideMod(bool);
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `exhaust` (test "deriving") generated 3 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/exhaust-a83577475034c605)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test iteration::carry_example ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/alloc_impls.rs (/opt/rustwide/target/debug/deps/alloc_impls-211bfae08a29a29f)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test impl_cow_non_clone ... ok
[INFO] [stdout] test impl_cow_clone ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/core_impls.rs (/opt/rustwide/target/debug/deps/core_impls-294997d7062fc3be)
[INFO] [stdout] 
[INFO] [stdout] running 32 tests
[INFO] [stdout] test impl_array_of_1 ... ok
[INFO] [stdout] test impl_array_of_2 ... ok
[INFO] [stdout] test impl_array_of_uninhabited_type ... ok
[INFO] [stdout] test impl_array_of_3 ... ok
[INFO] [stdout] test impl_bool ... ok
[INFO] [stdout] test impl_cell::impl_cell ... ok
[INFO] [stdout] test impl_array_of_unit_type ... ok
[INFO] [stdout] test impl_cell::impl_once_cell ... ok
[INFO] [stdout] test impl_cell::impl_ref_cell ... ok
[INFO] [stdout] test impl_cell::impl_unsafe_cell ... ok
[INFO] [stdout] test impl_array_of_0 ... ok
[INFO] [stdout] test impl_f32 ... ok
[INFO] [stdout] test impl_fmt::impl_alignment ... ok
[INFO] [stdout] test impl_fmt::impl_error ... ok
[INFO] [stdout] test impl_infallible ... ok
[INFO] [stdout] test impl_nontrivial_tuple ... ok
[INFO] [stdout] test impl_nonzero_signed ... ok
[INFO] [stdout] test impl_ops::impl_bound ... ok
[INFO] [stdout] test impl_ops::impl_range_to ... ok
[INFO] [stdout] test impl_ops::impl_control_flow ... ok
[INFO] [stdout] test impl_ops::impl_range_to_inclusive ... ok
[INFO] [stdout] test impl_option ... ok
[INFO] [stdout] test impl_unit ... ok
[INFO] [stdout] test iter::clone ... ok
[INFO] [stdout] test iter::size_hint_and_len ... ok
[INFO] [stdout] test impl_phantom_data ... ok
[INFO] [stdout] test impl_poll ... ok
[INFO] [stdout] test impl_nonzero_unsigned ... ok
[INFO] [stdout] test impl_ops::impl_range_from ... ok
[INFO] [stdout] test impl_result ... ok
[INFO] [stdout] test impl_single_element_tuple ... ok
[INFO] [stdout] test impl_char ... ok
[INFO] [stderr]      Running tests/deriving.rs (/opt/rustwide/target/debug/deps/deriving-5e0a1680b7d4bf3a)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 32 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.44s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test debug_impls ... ok
[INFO] [stdout] test enum_fields ... ok
[INFO] [stdout] test enum_empty ... ok
[INFO] [stdout] test enum_fieldless_multi ... ok
[INFO] [stdout] test enum_with_uninhabited_nongeneric ... ok
[INFO] [stdout] test enum_one_value ... ok
[INFO] [stdout] test enum_with_uninhabited_generic ... ok
[INFO] [stdout] test struct_generic ... ok
[INFO] [stdout] test function_containing_derive ... ok
[INFO] [stdout] test not_a_name_conflict ... ok
[INFO] [stdout] test struct_uninhabited_nongeneric ... ok
[INFO] [stdout] test struct_simple ... ok
[INFO] [stdout] test struct_uninhabited_generic ... ok
[INFO] [stdout] test struct_unit ... ok
[INFO] [stdout] test enum_generic ... ok
[INFO] [stderr]      Running tests/keyed_collections.rs (/opt/rustwide/target/debug/deps/keyed_collections-88ac80b3676ad6c6)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test impl_hashset ... ok
[INFO] [stdout] test impl_btreemap ... ok
[INFO] [stdout] test impl_btreeset ... ok
[INFO] [stdout] test impl_hashmap ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/std_impls.rs (/opt/rustwide/target/debug/deps/std_impls-611c14fbc9b49b8b)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test impl_sync_once_lock ... ok
[INFO] [stdout] test impl_cursor ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests exhaust
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/test_compile_fail.rs - test_compile_fail::OptionFactoryNotAccessible (line 6) - compile ... ok
[INFO] [stdout] test src/test_compile_fail.rs - test_compile_fail::ConflictWithGeneratedTypeNames (line 29) - compile fail ... ok
[INFO] [stdout] test src/test_compile_fail.rs - test_compile_fail::ConflictWithGeneratedTypeNames (line 22) - compile fail ... ok
[INFO] [stdout] test src/test_compile_fail.rs - test_compile_fail::OptionFactoryNotAccessible (line 10) - compile fail ... ok
[INFO] [stdout] test src/lib.rs - Exhaust (line 340) ... ok
[INFO] [stdout] test src/iteration.rs - iteration::carry (line 33) ... ok
[INFO] [stdout] test src/lib.rs - Exhaust (line 143) ... ok
[INFO] [stdout] test src/lib.rs - Exhaust (line 112) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.77s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5f2764a5b82d9609f91492f45a7a001b2b0d04b53e41b7c9e2634079d70460d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f2764a5b82d9609f91492f45a7a001b2b0d04b53e41b7c9e2634079d70460d1", kill_on_drop: false }`
[INFO] [stdout] 5f2764a5b82d9609f91492f45a7a001b2b0d04b53e41b7c9e2634079d70460d1