[INFO] fetching crate mdl 1.0.5...
[INFO] testing mdl-1.0.5 against 1.55.0 for beta-1.56-1
[INFO] extracting crate mdl 1.0.5 into /workspace/builds/worker-83/source
[INFO] validating manifest of crates.io crate mdl 1.0.5 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 mdl 1.0.5
[INFO] finished tweaking crates.io crate mdl 1.0.5
[INFO] tweaked toml for crates.io crate mdl 1.0.5 written to /workspace/builds/worker-83/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lmdb-sys v0.8.0
[INFO] [stderr]   Downloaded lmdb v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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] 4cd142b528d3c1ee8828362239802741e70889d1be3ec295266cb1c660ac009c
[INFO] running `Command { std: "docker" "start" "-a" "4cd142b528d3c1ee8828362239802741e70889d1be3ec295266cb1c660ac009c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4cd142b528d3c1ee8828362239802741e70889d1be3ec295266cb1c660ac009c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cd142b528d3c1ee8828362239802741e70889d1be3ec295266cb1c660ac009c", kill_on_drop: false }`
[INFO] [stdout] 4cd142b528d3c1ee8828362239802741e70889d1be3ec295266cb1c660ac009c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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] b8f3dd8bb6805c08fcaa78537f8a84a0588157c7b1aefc31c2ac322e7645f44e
[INFO] running `Command { std: "docker" "start" "-a" "b8f3dd8bb6805c08fcaa78537f8a84a0588157c7b1aefc31c2ac322e7645f44e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling cc v1.0.70
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling anyhow v1.0.43
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling lmdb-sys v0.8.0
[INFO] [stderr]    Compiling lmdb v0.8.0
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling mdl v1.0.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.30s
[INFO] running `Command { std: "docker" "inspect" "b8f3dd8bb6805c08fcaa78537f8a84a0588157c7b1aefc31c2ac322e7645f44e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8f3dd8bb6805c08fcaa78537f8a84a0588157c7b1aefc31c2ac322e7645f44e", kill_on_drop: false }`
[INFO] [stdout] b8f3dd8bb6805c08fcaa78537f8a84a0588157c7b1aefc31c2ac322e7645f44e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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] fe6908f91f07784567e1e32e9e1b480dd7eaaa2b47ecb438bd0dae9bbdcc56b3
[INFO] running `Command { std: "docker" "start" "-a" "fe6908f91f07784567e1e32e9e1b480dd7eaaa2b47ecb438bd0dae9bbdcc56b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling mdl v1.0.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 21.43s
[INFO] running `Command { std: "docker" "inspect" "fe6908f91f07784567e1e32e9e1b480dd7eaaa2b47ecb438bd0dae9bbdcc56b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe6908f91f07784567e1e32e9e1b480dd7eaaa2b47ecb438bd0dae9bbdcc56b3", kill_on_drop: false }`
[INFO] [stdout] fe6908f91f07784567e1e32e9e1b480dd7eaaa2b47ecb438bd0dae9bbdcc56b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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] 2cdcc82a7241a39b8ad2e6bd17f2bf80a320ef5d9ab77d6178c6f03409bbe292
[INFO] running `Command { std: "docker" "start" "-a" "2cdcc82a7241a39b8ad2e6bd17f2bf80a320ef5d9ab77d6178c6f03409bbe292", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mdl-53cef339682b5d19)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running tests/bcacheable_test.rs (/opt/rustwide/target/debug/deps/bcacheable_test-34613acb452b5a2a)
[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 5 tests
[INFO] [stdout] test thread_test ... ok
[INFO] [stdout] test delete_test ... ok
[INFO] [stdout] test basic_struct_test ... ok
[INFO] [stdout] test iterate_write_test ... ok
[INFO] [stderr]      Running tests/cacheable_test.rs (/opt/rustwide/target/debug/deps/cacheable_test-6b5a96ac7badce32)
[INFO] [stdout] test iterate_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test basic_struct_test ... ok
[INFO] [stdout] test thread_test ... ok
[INFO] [stdout] test delete_test ... ok
[INFO] [stdout] test iterate_write_test ... ok
[INFO] [stdout] test iterate_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 8.34s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/model_signals_test.rs (/opt/rustwide/target/debug/deps/model_signals_test-902331f569b4bbce)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test basic_signal_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.75s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/signaler_test.rs (/opt/rustwide/target/debug/deps/signaler_test-fe6da1b100c4d768)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test unsubscribe_test ... ok
[INFO] [stdout] test one_signal_test ... ok
[INFO] [stdout] test two_signal_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mdl
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 151) ... ignored
[INFO] [stdout] test src/lib.rs - (line 22) ... ignored
[INFO] [stdout] test src/lib.rs - (line 71) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 3 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2cdcc82a7241a39b8ad2e6bd17f2bf80a320ef5d9ab77d6178c6f03409bbe292", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cdcc82a7241a39b8ad2e6bd17f2bf80a320ef5d9ab77d6178c6f03409bbe292", kill_on_drop: false }`
[INFO] [stdout] 2cdcc82a7241a39b8ad2e6bd17f2bf80a320ef5d9ab77d6178c6f03409bbe292