[INFO] fetching crate debug2 0.1.0...
[INFO] testing debug2-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate debug2 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate debug2 0.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate debug2 0.1.0
[INFO] finished tweaking crates.io crate debug2 0.1.0
[INFO] tweaked toml for crates.io crate debug2 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aa4ef0c4d500a8b04395ed0dec7f2049d7c16860bcabef8ccb282e163f7eaaaf
[INFO] running `Command { std: "docker" "start" "-a" "aa4ef0c4d500a8b04395ed0dec7f2049d7c16860bcabef8ccb282e163f7eaaaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa4ef0c4d500a8b04395ed0dec7f2049d7c16860bcabef8ccb282e163f7eaaaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa4ef0c4d500a8b04395ed0dec7f2049d7c16860bcabef8ccb282e163f7eaaaf", kill_on_drop: false }`
[INFO] [stdout] aa4ef0c4d500a8b04395ed0dec7f2049d7c16860bcabef8ccb282e163f7eaaaf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f205e7a2cc32a8d84713e0594c993def48cd6a73e9335b3537d188a8c707e0e
[INFO] running `Command { std: "docker" "start" "-a" "9f205e7a2cc32a8d84713e0594c993def48cd6a73e9335b3537d188a8c707e0e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling debug2-derive v0.1.0
[INFO] [stderr]    Compiling debug2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.40s
[INFO] running `Command { std: "docker" "inspect" "9f205e7a2cc32a8d84713e0594c993def48cd6a73e9335b3537d188a8c707e0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f205e7a2cc32a8d84713e0594c993def48cd6a73e9335b3537d188a8c707e0e", kill_on_drop: false }`
[INFO] [stdout] 9f205e7a2cc32a8d84713e0594c993def48cd6a73e9335b3537d188a8c707e0e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fadfac67b341f527b90916643eb69b15e3781f4df2be2f37365c0d0c3397a46a
[INFO] running `Command { std: "docker" "start" "-a" "fadfac67b341f527b90916643eb69b15e3781f4df2be2f37365c0d0c3397a46a", kill_on_drop: false }`
[INFO] [stderr]    Compiling similar v1.3.0
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling terminal_size v0.1.17
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling console v0.14.1
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling serde_yaml v0.8.20
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling insta v1.7.2
[INFO] [stderr]    Compiling debug2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 13.36s
[INFO] running `Command { std: "docker" "inspect" "fadfac67b341f527b90916643eb69b15e3781f4df2be2f37365c0d0c3397a46a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fadfac67b341f527b90916643eb69b15e3781f4df2be2f37365c0d0c3397a46a", kill_on_drop: false }`
[INFO] [stdout] fadfac67b341f527b90916643eb69b15e3781f4df2be2f37365c0d0c3397a46a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 502c70868bd873ce827f6910947e2b420ef1b42dba62c30fb89047da5362528e
[INFO] running `Command { std: "docker" "start" "-a" "502c70868bd873ce827f6910947e2b420ef1b42dba62c30fb89047da5362528e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/debug2-42435b857296a82c)
[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/builders.rs (/opt/rustwide/target/debug/deps/builders-5f6c09e67115561f)
[INFO] [stdout] 
[INFO] [stdout] running 27 tests
[INFO] [stdout] test debug_map::test_entry_err ... ok
[INFO] [stdout] test debug_list::test_empty ... ok
[INFO] [stdout] test debug_list::test_multiple ... ok
[INFO] [stdout] test debug_list::test_nested ... ok
[INFO] [stdout] test debug_list::test_single ... ok
[INFO] [stdout] test debug_map::test_empty ... ok
[INFO] [stdout] test debug_map::test_nested ... ok
[INFO] [stdout] test debug_map::test_multiple ... ok
[INFO] [stdout] test debug_set::test_single ... ok
[INFO] [stdout] test debug_set::test_empty ... ok
[INFO] [stdout] test debug_map::test_single ... ok
[INFO] [stdout] test debug_set::test_multiple ... ok
[INFO] [stdout] test debug_tuple::test_single ... ok
[INFO] [stdout] test debug_tuple::test_multiple ... ok
[INFO] [stdout] test debug_struct::test_multiple ... ok
[INFO] [stdout] test debug_struct::test_multiple_and_non_exhaustive ... ok
[INFO] [stdout] test debug_set::test_nested ... ok
[INFO] [stdout] test debug_struct::test_single ... ok
[INFO] [stdout] test debug_struct::test_empty ... ok
[INFO] [stdout] test debug_struct::test_nested_non_exhaustive ... ok
[INFO] [stdout] test debug_struct::test_only_non_exhaustive ... ok
[INFO] [stdout] test debug_struct::test_nested ... ok
[INFO] [stdout] test debug_tuple::test_empty ... ok
[INFO] [stdout] test debug_tuple::test_nested ... ok
[INFO] [stdout] test debug_map::test_invalid_finish_incomplete_entry - should panic ... ok
[INFO] [stdout] test debug_map::test_invalid_key_when_entry_is_incomplete - should panic ... ok
[INFO] [stdout] test debug_map::test_invalid_value_before_key - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 27 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/derived.rs (/opt/rustwide/target/debug/deps/derived-8ec416b7e2f04635)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test simple ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/motivating.rs (/opt/rustwide/target/debug/deps/motivating-dc8a37542c3c6940)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test complex ... ok
[INFO] [stdout] test quadratic_form ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/refcell.rs (/opt/rustwide/target/debug/deps/refcell-c80855a7e6aa0739)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_refcell ... 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]    Doc-tests debug2
[INFO] [stdout] 
[INFO] [stdout] running 32 tests
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name debug2 --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern debug2=/opt/rustwide/target/debug/deps/libdebug2-9808995fe8e33760.rlib --extern debug2_derive=/opt/rustwide/target/debug/deps/libdebug2_derive-3f1ab448285c0219.so --extern insta=/opt/rustwide/target/debug/deps/libinsta-97cf8556737168f7.rlib -C embed-bitcode=no --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "502c70868bd873ce827f6910947e2b420ef1b42dba62c30fb89047da5362528e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "502c70868bd873ce827f6910947e2b420ef1b42dba62c30fb89047da5362528e", kill_on_drop: false }`
[INFO] [stdout] 502c70868bd873ce827f6910947e2b420ef1b42dba62c30fb89047da5362528e