[INFO] fetching crate structdiff 0.7.3...
[INFO] testing structdiff-0.7.3 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate structdiff 0.7.3 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate structdiff 0.7.3
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate structdiff 0.7.3
[INFO] tweaked toml for crates.io crate structdiff 0.7.3 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate structdiff 0.7.3 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 structdiff 0.7.3 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nanoserde-derive v0.1.22
[INFO] [stderr]   Downloaded serde v1.0.198
[INFO] [stderr]   Downloaded nanoserde v0.1.37
[INFO] [stderr]   Downloaded assert_unordered v0.3.5
[INFO] [stderr]   Downloaded proc-macro2 v1.0.81
[INFO] [stderr]   Downloaded serde_derive v1.0.198
[INFO] [stderr]   Downloaded structdiff-derive v0.7.3
[INFO] [stderr]   Downloaded syn v2.0.60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 73808a5486c81746dffde4331bccbeff4186f74ab90241e76d1c74da781ddfc7
[INFO] running `Command { std: "docker" "start" "-a" "73808a5486c81746dffde4331bccbeff4186f74ab90241e76d1c74da781ddfc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "73808a5486c81746dffde4331bccbeff4186f74ab90241e76d1c74da781ddfc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73808a5486c81746dffde4331bccbeff4186f74ab90241e76d1c74da781ddfc7", kill_on_drop: false }`
[INFO] [stdout] 73808a5486c81746dffde4331bccbeff4186f74ab90241e76d1c74da781ddfc7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 843ad7e1346a21bc8fd1b91b683c67111b80677d8f2ac82abaa3d3abf5cbfa50
[INFO] running `Command { std: "docker" "start" "-a" "843ad7e1346a21bc8fd1b91b683c67111b80677d8f2ac82abaa3d3abf5cbfa50", kill_on_drop: false }`
[INFO] [stderr]    Compiling structdiff-derive v0.7.3
[INFO] [stderr]    Compiling structdiff v0.7.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.96s
[INFO] running `Command { std: "docker" "inspect" "843ad7e1346a21bc8fd1b91b683c67111b80677d8f2ac82abaa3d3abf5cbfa50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "843ad7e1346a21bc8fd1b91b683c67111b80677d8f2ac82abaa3d3abf5cbfa50", kill_on_drop: false }`
[INFO] [stdout] 843ad7e1346a21bc8fd1b91b683c67111b80677d8f2ac82abaa3d3abf5cbfa50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 0b9786c22a16ca429030c781f7cf8adc7c4eef975556f27af9908784a4349bce
[INFO] running `Command { std: "docker" "start" "-a" "0b9786c22a16ca429030c781f7cf8adc7c4eef975556f27af9908784a4349bce", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.198
[INFO] [stderr]    Compiling yansi v1.0.1
[INFO] [stderr]    Compiling diff v0.1.13
[INFO] [stderr]    Compiling assert_unordered v0.3.5
[INFO] [stderr]    Compiling nanorand v0.7.0
[INFO] [stderr]    Compiling pretty_assertions v1.4.1
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling structdiff v0.7.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> tests/derives.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     (dyn core::fmt::Debug + Send + 'static): Debug,
[INFO] [stdout]    |     ^                                     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 33 -     (dyn core::fmt::Debug + Send + 'static): Debug,
[INFO] [stdout] 33 +     dyn core::fmt::Debug + Send + 'static: Debug,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> tests/derives.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     (dyn core::fmt::Debug + Send + 'static): Debug,
[INFO] [stdout]    |     ^                                     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 33 -     (dyn core::fmt::Debug + Send + 'static): Debug,
[INFO] [stdout] 33 +     dyn core::fmt::Debug + Send + 'static: Debug,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TestSetters` is never constructed
[INFO] [stdout]   --> tests/types.rs:99:12
[INFO] [stdout]    |
[INFO] [stdout] 99 | pub struct TestSetters {
[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 13.04s
[INFO] running `Command { std: "docker" "inspect" "0b9786c22a16ca429030c781f7cf8adc7c4eef975556f27af9908784a4349bce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b9786c22a16ca429030c781f7cf8adc7c4eef975556f27af9908784a4349bce", kill_on_drop: false }`
[INFO] [stdout] 0b9786c22a16ca429030c781f7cf8adc7c4eef975556f27af9908784a4349bce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 65753d57e64889dccaac6a5b2c1b2fa0767c5eea18c371a19aef6237b07e391b
[INFO] running `Command { std: "docker" "start" "-a" "65753d57e64889dccaac6a5b2c1b2fa0767c5eea18c371a19aef6237b07e391b", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> tests/derives.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     (dyn core::fmt::Debug + Send + 'static): Debug,
[INFO] [stderr]    |     ^                                     ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 33 -     (dyn core::fmt::Debug + Send + 'static): Debug,
[INFO] [stderr] 33 +     dyn core::fmt::Debug + Send + 'static: Debug,
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: struct `TestSetters` is never constructed
[INFO] [stderr]   --> tests/types.rs:99:12
[INFO] [stderr]    |
[INFO] [stderr] 99 | pub struct TestSetters {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `structdiff` (test "integration") generated 2 warnings (run `cargo fix --test "integration" -p structdiff` to apply 1 suggestion)
[INFO] [stderr] warning: `structdiff` (test "derives") generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/structdiff-aa9943059181e8b3)
[INFO] [stdout] 
[INFO] [stdout] running 27 tests
[INFO] [stdout] test collections::ordered_array_like::test::problem_cases::test_string ... ok
[INFO] [stdout] test collections::ordered_array_like::test::problem_cases::test_string_3 ... ok
[INFO] [stdout] test collections::ordered_array_like::test::problem_cases::test_string_4 ... ok
[INFO] [stdout] test collections::ordered_array_like::test::problem_cases::test_string_2 ... ok
[INFO] [stdout] test collections::ordered_array_like::test::problem_cases::test_string_6 ... ok
[INFO] [stdout] test collections::ordered_array_like::test::test_empty_strings ... ok
[INFO] [stdout] test collections::ordered_array_like::test::test_one_empty_string ... ok
[INFO] [stdout] test collections::ordered_array_like::test::test_identical_strings ... ok
[INFO] [stdout] test collections::ordered_array_like::test::problem_cases::test_string_5 ... ok
[INFO] [stdout] test collections::ordered_array_like::test::test_collection_strategies ... ok
[INFO] [stdout] test collections::ordered_array_like::test::test_string ... ok
[INFO] [stdout] test collections::rope::test::delete_rebalance ... ok
[INFO] [stdout] test collections::ordered_array_like::test::test_dna ... ok
[INFO] [stdout] test collections::rope::test::get_last ... ok
[INFO] [stdout] test collections::unordered_array_like::test::test_collection_strategies ... ok
[INFO] [stdout] test collections::ordered_array_like::test::test_random_strings ... ok
[INFO] [stdout] test collections::ordered_array_like::test::test_random_f64_lists ... ok
[INFO] [stdout] test collections::unordered_map_like::test::test_key_only ... ok
[INFO] [stdout] test collections::unordered_array_like::test::test_collection_strategies_ref ... ok
[INFO] [stdout] test collections::unordered_map_like::test::test_key_value ... ok
[INFO] [stdout] test collections::unordered_map_like_recursive::test::test_key_only ... ok
[INFO] [stdout] test collections::unordered_map_like_recursive::test::test_key_value ... ok
[INFO] [stdout] test collections::ordered_array_like::test::test_collection_strategies_ref ... ok
[INFO] [stdout] test collections::rope::test::get_from_empty - should panic ... ok
[INFO] [stdout] test collections::rope::test::get_past_end - should panic ... ok
[INFO] [stdout] test collections::rope::test::paired_large has been running for over 60 seconds
[INFO] [stdout] test collections::rope::test::paired_small has been running for over 60 seconds
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "65753d57e64889dccaac6a5b2c1b2fa0767c5eea18c371a19aef6237b07e391b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65753d57e64889dccaac6a5b2c1b2fa0767c5eea18c371a19aef6237b07e391b", kill_on_drop: false }`
[INFO] [stdout] 65753d57e64889dccaac6a5b2c1b2fa0767c5eea18c371a19aef6237b07e391b