[INFO] fetching crate op_result 0.5.8...
[INFO] testing op_result-0.5.8 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate op_result 0.5.8 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate op_result 0.5.8
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate op_result 0.5.8
[INFO] tweaked toml for crates.io crate op_result 0.5.8 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate op_result 0.5.8 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate op_result 0.5.8 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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v2.0.109
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 107381afcf356575ec31a626c1056d7673e3112dc23b23751dc8f414c1589136
[INFO] running `Command { std: "docker" "start" "-a" "107381afcf356575ec31a626c1056d7673e3112dc23b23751dc8f414c1589136", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "107381afcf356575ec31a626c1056d7673e3112dc23b23751dc8f414c1589136", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "107381afcf356575ec31a626c1056d7673e3112dc23b23751dc8f414c1589136", kill_on_drop: false }`
[INFO] [stdout] 107381afcf356575ec31a626c1056d7673e3112dc23b23751dc8f414c1589136
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ae6e698b76930868575716dd0935b0eddd7248395d71e4d7da6bbc92964cdcb
[INFO] running `Command { std: "docker" "start" "-a" "2ae6e698b76930868575716dd0935b0eddd7248395d71e4d7da6bbc92964cdcb", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling syn v2.0.109
[INFO] [stderr]    Compiling op_result v0.5.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.65s
[INFO] running `Command { std: "docker" "inspect" "2ae6e698b76930868575716dd0935b0eddd7248395d71e4d7da6bbc92964cdcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ae6e698b76930868575716dd0935b0eddd7248395d71e4d7da6bbc92964cdcb", kill_on_drop: false }`
[INFO] [stdout] 2ae6e698b76930868575716dd0935b0eddd7248395d71e4d7da6bbc92964cdcb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0abdf867d16ed826be9d83ba0adb75d7493f8122496f19accee778bced9727fb
[INFO] running `Command { std: "docker" "start" "-a" "0abdf867d16ed826be9d83ba0adb75d7493f8122496f19accee778bced9727fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling syn v2.0.109
[INFO] [stderr]    Compiling op_result v0.5.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `a` and `b` are never read
[INFO] [stdout]   --> tests/test_nested.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout]  7 |     struct TestStruct<T, U>
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 11 |         a: T,
[INFO] [stdout]    |         ^
[INFO] [stdout] 12 |         b: U,
[INFO] [stdout]    |         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 6.17s
[INFO] running `Command { std: "docker" "inspect" "0abdf867d16ed826be9d83ba0adb75d7493f8122496f19accee778bced9727fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0abdf867d16ed826be9d83ba0adb75d7493f8122496f19accee778bced9727fb", kill_on_drop: false }`
[INFO] [stdout] 0abdf867d16ed826be9d83ba0adb75d7493f8122496f19accee778bced9727fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 71b7d3dc60335d8a7adc77806abd62603758d0513e84960572fbdfc01cff9d8c
[INFO] running `Command { std: "docker" "start" "-a" "71b7d3dc60335d8a7adc77806abd62603758d0513e84960572fbdfc01cff9d8c", kill_on_drop: false }`
[INFO] [stderr] warning: fields `a` and `b` are never read
[INFO] [stderr]   --> tests/test_nested.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr]  7 |     struct TestStruct<T, U>
[INFO] [stderr]    |            ---------- fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 11 |         a: T,
[INFO] [stderr]    |         ^
[INFO] [stderr] 12 |         b: U,
[INFO] [stderr]    |         ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `op_result` (test "test_nested") generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/op_result-24f8e1d44ec6d07b)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_defined.rs (/opt/rustwide/target/debug/deps/test_defined-7f77fb8a4f8384c3)
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test test_any_syntax_flag ... ok
[INFO] [stdout] test test_bracket_notation_addition ... ok
[INFO] [stdout] test test_bracket_notation_subtraction ... ok
[INFO] [stdout] test test_bracket_notation_with_equals ... ok
[INFO] [stdout] test test_chained_operator_bounds ... ok
[INFO] [stdout] test test_chained_operator_bounds_three_ops ... ok
[INFO] [stdout] test test_chained_operator_bounds_three_ops_with_output ... ok
[INFO] [stdout] test test_chained_operator_bounds_with_output_assertion ... ok
[INFO] [stdout] test test_chained_operator_bounds_with_precedence ... ok
[INFO] [stderr]      Running tests/test_nested.rs (/opt/rustwide/target/debug/deps/test_nested-7e8544868ac4bcc1)
[INFO] [stdout] test test_marker_trait_syntax_flag ... ok
[INFO] [stdout] test test_custom_trait_name_with_marker_trait_syntax ... ok
[INFO] [stdout] test test_mixed_notations ... ok
[INFO] [stdout] test test_custom_trait_name_with_any_syntax ... ok
[INFO] [stdout] test test_output_addition ... ok
[INFO] [stdout] test test_output_subtraction ... ok
[INFO] [stdout] test test_op_result_chained_mul_div ... ok
[INFO] [stdout] test test_well_formedness_syntax_flag ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test test_impl_with_where_clause ... ok
[INFO] [stdout] test test_trait_with_nested_method_where_clause ... ok
[INFO] [stdout] test test_trait_with_where_clause ... ok
[INFO] [stdout] test test_struct_with_where_clause ... ok
[INFO] [stdout] test test_impl_with_nested_method_where_clause ... ok
[INFO] [stdout] test test_impl_block_with_where_clause ... ok
[INFO] [stdout] test test_impl_block_with_where_clause_and_method_where_clause ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_output.rs (/opt/rustwide/target/debug/deps/test_output-a7a09cd81f5c8eb9)
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test test_add ... ok
[INFO] [stdout] test test_bitxor ... ok
[INFO] [stdout] test test_bitor ... ok
[INFO] [stdout] test test_bitand ... ok
[INFO] [stdout] test test_div ... ok
[INFO] [stdout] test test_mul ... ok
[INFO] [stdout] test test_nested_add_mul ... ok
[INFO] [stdout] test test_nested_sub_div ... ok
[INFO] [stdout] test test_output_unary_neg ... ok
[INFO] [stdout] test test_output_unary_nested ... ok
[INFO] [stdout] test test_output_unary_not ... ok
[INFO] [stdout] test test_parens_preservation ... ok
[INFO] [stdout] test test_rem ... ok
[INFO] [stdout] test test_shl ... ok
[INFO] [stdout] test test_shr ... ok
[INFO] [stderr]    Doc-tests op_result
[INFO] [stdout] test test_sub ... ok
[INFO] [stdout] test test_triple_nested ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test src/lib.rs - op_result (line 94) ... ignored
[INFO] [stdout] test src/lib.rs - output (line 55) ... ignored
[INFO] [stdout] test src/lib.rs - output (line 67) ... ok
[INFO] [stdout] test src/lib.rs - op_result (line 135) ... ok
[INFO] [stdout] test src/lib.rs - op_result (line 150) ... ok
[INFO] [stdout] test src/lib.rs - op_result (line 168) ... ok
[INFO] [stdout] test src/lib.rs - op_result (line 205) ... ok
[INFO] [stdout] test src/lib.rs - op_result (line 187) ... ok
[INFO] [stdout] test src/lib.rs - (line 10) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 0.35s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "71b7d3dc60335d8a7adc77806abd62603758d0513e84960572fbdfc01cff9d8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71b7d3dc60335d8a7adc77806abd62603758d0513e84960572fbdfc01cff9d8c", kill_on_drop: false }`
[INFO] [stdout] 71b7d3dc60335d8a7adc77806abd62603758d0513e84960572fbdfc01cff9d8c