[INFO] fetching crate arbitrary-model-tests 0.1.0...
[INFO] testing arbitrary-model-tests-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate arbitrary-model-tests 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate arbitrary-model-tests 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 arbitrary-model-tests 0.1.0
[INFO] finished tweaking crates.io crate arbitrary-model-tests 0.1.0
[INFO] tweaked toml for crates.io crate arbitrary-model-tests 0.1.0 written to /workspace/builds/worker-3/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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 198e5e46db26fca0376f6058b064a56ede5eefaef84bcac0b0156afe15b4db17
[INFO] running `Command { std: "docker" "start" "-a" "198e5e46db26fca0376f6058b064a56ede5eefaef84bcac0b0156afe15b4db17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "198e5e46db26fca0376f6058b064a56ede5eefaef84bcac0b0156afe15b4db17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "198e5e46db26fca0376f6058b064a56ede5eefaef84bcac0b0156afe15b4db17", kill_on_drop: false }`
[INFO] [stdout] 198e5e46db26fca0376f6058b064a56ede5eefaef84bcac0b0156afe15b4db17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 6fd26afff727968f644abd66c09508b85de0d9759aa118deb363a5d8aca94880
[INFO] running `Command { std: "docker" "start" "-a" "6fd26afff727968f644abd66c09508b85de0d9759aa118deb363a5d8aca94880", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling arbitrary-model-tests v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.40s
[INFO] running `Command { std: "docker" "inspect" "6fd26afff727968f644abd66c09508b85de0d9759aa118deb363a5d8aca94880", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fd26afff727968f644abd66c09508b85de0d9759aa118deb363a5d8aca94880", kill_on_drop: false }`
[INFO] [stdout] 6fd26afff727968f644abd66c09508b85de0d9759aa118deb363a5d8aca94880
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 38909f5dae3965dcf38fc25b42693d6f07052b2f0cf9533f14f0e4933ea1599b
[INFO] running `Command { std: "docker" "start" "-a" "38909f5dae3965dcf38fc25b42693d6f07052b2f0cf9533f14f0e4933ea1599b", kill_on_drop: false }`
[INFO] [stderr]    Compiling arbitrary-model-tests v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "38909f5dae3965dcf38fc25b42693d6f07052b2f0cf9533f14f0e4933ea1599b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38909f5dae3965dcf38fc25b42693d6f07052b2f0cf9533f14f0e4933ea1599b", kill_on_drop: false }`
[INFO] [stdout] 38909f5dae3965dcf38fc25b42693d6f07052b2f0cf9533f14f0e4933ea1599b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 897a89bc4d4e9dad00bd8e494519e0fe3763dbcbdc513c18968f18802ac2fe87
[INFO] running `Command { std: "docker" "start" "-a" "897a89bc4d4e9dad00bd8e494519e0fe3763dbcbdc513c18968f18802ac2fe87", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/arbitrary_model_tests-cf71856b6f6f72b2)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests arbitrary-model-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] [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] running `Command { std: "docker" "inspect" "897a89bc4d4e9dad00bd8e494519e0fe3763dbcbdc513c18968f18802ac2fe87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "897a89bc4d4e9dad00bd8e494519e0fe3763dbcbdc513c18968f18802ac2fe87", kill_on_drop: false }`
[INFO] [stdout] 897a89bc4d4e9dad00bd8e494519e0fe3763dbcbdc513c18968f18802ac2fe87