[INFO] fetching crate possible 0.1.0...
[INFO] testing possible-0.1.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate possible 0.1.0 into /workspace/builds/worker-29/source
[INFO] validating manifest of crates.io crate possible 0.1.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate possible 0.1.0
[INFO] finished tweaking crates.io crate possible 0.1.0
[INFO] tweaked toml for crates.io crate possible 0.1.0 written to /workspace/builds/worker-29/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cdc97a020bd29db60122c96940f9abc31ce48191e483ecfaceb67762c87e132d
[INFO] running `Command { std: "docker" "start" "-a" "cdc97a020bd29db60122c96940f9abc31ce48191e483ecfaceb67762c87e132d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cdc97a020bd29db60122c96940f9abc31ce48191e483ecfaceb67762c87e132d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdc97a020bd29db60122c96940f9abc31ce48191e483ecfaceb67762c87e132d", kill_on_drop: false }`
[INFO] [stdout] cdc97a020bd29db60122c96940f9abc31ce48191e483ecfaceb67762c87e132d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1c3919288e79e62eb7c10062609a5c344a582e359a069c3b5dc16a482640ed3
[INFO] running `Command { std: "docker" "start" "-a" "d1c3919288e79e62eb7c10062609a5c344a582e359a069c3b5dc16a482640ed3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling possible v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.58s
[INFO] running `Command { std: "docker" "inspect" "d1c3919288e79e62eb7c10062609a5c344a582e359a069c3b5dc16a482640ed3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1c3919288e79e62eb7c10062609a5c344a582e359a069c3b5dc16a482640ed3", kill_on_drop: false }`
[INFO] [stdout] d1c3919288e79e62eb7c10062609a5c344a582e359a069c3b5dc16a482640ed3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c9337fa53baf71b17aa3edbac04f9bd3bac3a7724538739e10414fffa700556a
[INFO] running `Command { std: "docker" "start" "-a" "c9337fa53baf71b17aa3edbac04f9bd3bac3a7724538739e10414fffa700556a", kill_on_drop: false }`
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling ron v0.6.6
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling pretty_assertions v0.7.2
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling serde_yaml v0.8.23
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling serde_qs v0.8.5
[INFO] [stderr]    Compiling possible v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.92s
[INFO] running `Command { std: "docker" "inspect" "c9337fa53baf71b17aa3edbac04f9bd3bac3a7724538739e10414fffa700556a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9337fa53baf71b17aa3edbac04f9bd3bac3a7724538739e10414fffa700556a", kill_on_drop: false }`
[INFO] [stdout] c9337fa53baf71b17aa3edbac04f9bd3bac3a7724538739e10414fffa700556a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 69adb9b115ca5e7fe45525b6ecbd117a80c4299197533e38e25d6a67ba7229ac
[INFO] running `Command { std: "docker" "start" "-a" "69adb9b115ca5e7fe45525b6ecbd117a80c4299197533e38e25d6a67ba7229ac", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/possible-67548969026bef7a)
[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/serde_json.rs (/opt/rustwide/target/debug/deps/serde_json-d1f98e7a3aa4304b)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test baseline_with_option::deserialization::with_option_some ... ok
[INFO] [stdout] test baseline_with_option::deserialization::with_option_missing ... ok
[INFO] [stdout] test baseline_with_option::serialization::with_option_none ... ok
[INFO] [stdout] test baseline_with_option::deserialization::with_option_none ... ok
[INFO] [stdout] test baseline_with_option::serialization::with_option_some ... ok
[INFO] [stdout] test with_possible::deserialization::with_no_field ... ok
[INFO] [stdout] test with_possible::deserialization::with_null_value ... ok
[INFO] [stdout] test with_possible::deserialization::with_some_value ... ok
[INFO] [stdout] test with_possible::serialization::with_no_field ... ok
[INFO] [stdout] test with_possible::serialization::with_null_value ... ok
[INFO] [stdout] test with_possible::serialization::with_some_value ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/serde_ron.rs (/opt/rustwide/target/debug/deps/serde_ron-cd6b3dba7b5e7087)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test baseline_with_option::deserialization::with_explicit_option_none ... ok
[INFO] [stdout] test baseline_with_option::deserialization::with_explicit_option_some ... ok
[INFO] [stdout] test baseline_with_option::deserialization::with_option_missing ... ok
[INFO] [stdout] test baseline_with_option::deserialization::with_implicit_option_some ... ok
[INFO] [stdout] test baseline_with_option::serialization::with_option_none ... ok
[INFO] [stdout] test baseline_with_option::serialization::with_option_some ... ok
[INFO] [stdout] test with_possible::deserialization::with_explicit_some_value ... ok
[INFO] [stdout] test with_possible::deserialization::with_null_value ... ok
[INFO] [stdout] test with_possible::deserialization::with_no_field ... ok
[INFO] [stdout] test with_possible::deserialization::with_implicit_some_value ... ok
[INFO] [stdout] test with_possible::serialization::with_no_field ... ok
[INFO] [stdout] test with_possible::serialization::with_null_value ... ok
[INFO] [stdout] test with_possible::serialization::with_some_value ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/serde_toml.rs (/opt/rustwide/target/debug/deps/serde_toml-4dc8a03076c95e07)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test baseline_with_option::deserialization::with_option_missing ... ok
[INFO] [stdout] test baseline_with_option::serialization::with_option_none ... ok
[INFO] [stdout] test with_possible::deserialization::with_no_field ... ok
[INFO] [stdout] test baseline_with_option::deserialization::with_option_some ... ok
[INFO] [stdout] test baseline_with_option::serialization::with_option_some ... ok
[INFO] [stdout] test with_possible::serialization::with_no_field ... ok
[INFO] [stdout] test with_possible::serialization::with_null_value ... ok
[INFO] [stdout] test with_possible::serialization::with_some_value ... ok
[INFO] [stdout] test with_possible::deserialization::with_some_value ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/serde_url.rs (/opt/rustwide/target/debug/deps/serde_url-b7ecbd6891b9a09a)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test baseline_with_option::deserialization::with_option_missing ... ok
[INFO] [stdout] test baseline_with_option::deserialization::with_option_none ... ok
[INFO] [stdout] test baseline_with_option::serialization::with_option_some ... ok
[INFO] [stdout] test baseline_with_option::serialization::with_option_none ... ok
[INFO] [stdout] test baseline_with_option::deserialization::with_option_some ... ok
[INFO] [stdout] test with_possible::deserialization::with_no_field ... ok
[INFO] [stdout] test with_possible::deserialization::with_null_value ... ok
[INFO] [stdout] test with_possible::serialization::with_no_field ... ok
[INFO] [stdout] test with_possible::deserialization::with_some_value ... ok
[INFO] [stdout] test with_possible::serialization::with_null_value ... ok
[INFO] [stdout] test with_possible::serialization::with_some_value ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/serde_yaml.rs (/opt/rustwide/target/debug/deps/serde_yaml-3248b16fe5543500)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test baseline_with_option::deserialization::with_explicit_option_none ... ok
[INFO] [stdout] test baseline_with_option::serialization::with_option_none ... ok
[INFO] [stdout] test baseline_with_option::serialization::with_option_some ... ok
[INFO] [stdout] test baseline_with_option::deserialization::with_option_some ... ok
[INFO] [stdout] test baseline_with_option::deserialization::with_option_missing ... ok
[INFO] [stdout] test baseline_with_option::deserialization::with_implicit_option_none ... ok
[INFO] [stdout] test with_possible::deserialization::with_explicit_null_value ... ok
[INFO] [stdout] test baseline_with_option::deserialization::with_shorthand_option_none ... ok
[INFO] [stdout] test with_possible::deserialization::with_implicit_null_value ... ok
[INFO] [stdout] test with_possible::deserialization::with_no_field ... ok
[INFO] [stdout] test with_possible::deserialization::with_some_value ... ok
[INFO] [stdout] test with_possible::deserialization::with_shorthand_null_value ... ok
[INFO] [stdout] test with_possible::serialization::with_no_field ... ok
[INFO] [stdout] test with_possible::serialization::with_null_value ... ok
[INFO] [stdout] test with_possible::serialization::with_some_value ... ok
[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] [stderr]    Doc-tests possible
[INFO] [stdout] 
[INFO] [stdout] running 56 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 possible --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern doc_comment=/opt/rustwide/target/debug/deps/libdoc_comment-bdd31a89f429e1d5.rlib --extern possible=/opt/rustwide/target/debug/deps/libpossible-98e35731694d51ea.rlib --extern pretty_assertions=/opt/rustwide/target/debug/deps/libpretty_assertions-4a061939b6eecce8.rlib --extern ron=/opt/rustwide/target/debug/deps/libron-5735e741f59bea51.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-613a38b0fe5371d5.rlib --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-5aa91ae5e32ed455.rlib --extern serde_qs=/opt/rustwide/target/debug/deps/libserde_qs-77a80669aa7f0421.rlib --extern serde_yaml=/opt/rustwide/target/debug/deps/libserde_yaml-0808378603ef9a3d.rlib --extern toml=/opt/rustwide/target/debug/deps/libtoml-f1b32782df7c03d4.rlib -C embed-bitcode=no --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "69adb9b115ca5e7fe45525b6ecbd117a80c4299197533e38e25d6a67ba7229ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69adb9b115ca5e7fe45525b6ecbd117a80c4299197533e38e25d6a67ba7229ac", kill_on_drop: false }`
[INFO] [stdout] 69adb9b115ca5e7fe45525b6ecbd117a80c4299197533e38e25d6a67ba7229ac