[INFO] fetching crate serde_spaniel 0.3.0...
[INFO] testing serde_spaniel-0.3.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate serde_spaniel 0.3.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate serde_spaniel 0.3.0 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 serde_spaniel 0.3.0
[INFO] finished tweaking crates.io crate serde_spaniel 0.3.0
[INFO] tweaked toml for crates.io crate serde_spaniel 0.3.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate serde_spaniel 0.3.0 already has a lockfile, it will not be regenerated
[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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 2270b732e14e9225230937b5f8b8fa9b8c85a83530d79f277d180c0a300eed6c
[INFO] running `Command { std: "docker" "start" "-a" "2270b732e14e9225230937b5f8b8fa9b8c85a83530d79f277d180c0a300eed6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2270b732e14e9225230937b5f8b8fa9b8c85a83530d79f277d180c0a300eed6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2270b732e14e9225230937b5f8b8fa9b8c85a83530d79f277d180c0a300eed6c", kill_on_drop: false }`
[INFO] [stdout] 2270b732e14e9225230937b5f8b8fa9b8c85a83530d79f277d180c0a300eed6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 04dc0059959d6dc1e87adcc29163a613910d7dd181294c1583d6c124233e06bd
[INFO] running `Command { std: "docker" "start" "-a" "04dc0059959d6dc1e87adcc29163a613910d7dd181294c1583d6c124233e06bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling endian-type v0.1.2
[INFO] [stderr]    Compiling utf8parse v0.2.0
[INFO] [stderr]    Compiling nibble_vec v0.1.0
[INFO] [stderr]    Compiling radix_trie v0.2.1
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling nix v0.20.0
[INFO] [stderr]    Compiling fd-lock v2.0.0
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling rustyline v8.2.0
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling serde_spaniel v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.09s
[INFO] running `Command { std: "docker" "inspect" "04dc0059959d6dc1e87adcc29163a613910d7dd181294c1583d6c124233e06bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04dc0059959d6dc1e87adcc29163a613910d7dd181294c1583d6c124233e06bd", kill_on_drop: false }`
[INFO] [stdout] 04dc0059959d6dc1e87adcc29163a613910d7dd181294c1583d6c124233e06bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 44dd12b5b346627ff7cfb4b80c3a38fc834ddbff5268951be3f2fc7a866cb0f5
[INFO] running `Command { std: "docker" "start" "-a" "44dd12b5b346627ff7cfb4b80c3a38fc834ddbff5268951be3f2fc7a866cb0f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_bytes v0.11.5
[INFO] [stderr]    Compiling serde_spaniel v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.94s
[INFO] running `Command { std: "docker" "inspect" "44dd12b5b346627ff7cfb4b80c3a38fc834ddbff5268951be3f2fc7a866cb0f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44dd12b5b346627ff7cfb4b80c3a38fc834ddbff5268951be3f2fc7a866cb0f5", kill_on_drop: false }`
[INFO] [stdout] 44dd12b5b346627ff7cfb4b80c3a38fc834ddbff5268951be3f2fc7a866cb0f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 7500652f08a1856a34051de4b0e89a8c2cfc5430c2b7231b4c0281c2cdba25a7
[INFO] running `Command { std: "docker" "start" "-a" "7500652f08a1856a34051de4b0e89a8c2cfc5430c2b7231b4c0281c2cdba25a7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/serde_spaniel-31045b34d487b611)
[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/tests.rs (/opt/rustwide/target/debug/deps/tests-f5b77f22bd68a57e)
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test test::de::bad_u32 ... ok
[INFO] [stdout] test test::de::bad_u32_interactive ... ok
[INFO] [stdout] test test::de::map_of_enums_and_newtypes ... ok
[INFO] [stdout] test test::de::bytes ... ok
[INFO] [stdout] test test::de::seq_of_seqs ... ok
[INFO] [stdout] test test::de::struct_of_seqs ... ok
[INFO] [stdout] test test::de::struct_of_prims ... ok
[INFO] [stdout] test test::de::tuple_of_options ... ok
[INFO] [stdout] test test::de::tuple_of_units ... ok
[INFO] [stdout] test test::prompt::compact_request ... ok
[INFO] [stdout] test test::prompt::compact_scope ... ok
[INFO] [stdout] test test::ser::bytes ... ok
[INFO] [stdout] test test::ser::map_of_enums_and_newtypes ... ok
[INFO] [stdout] test test::ser::seq_of_seqs ... ok
[INFO] [stdout] test test::ser::struct_of_prims ... ok
[INFO] [stdout] test test::ser::tuple_of_units ... ok
[INFO] [stdout] test test::ser::struct_of_seqs ... ok
[INFO] [stdout] test test::ser::tuple_of_options ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests serde_spaniel
[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" "7500652f08a1856a34051de4b0e89a8c2cfc5430c2b7231b4c0281c2cdba25a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7500652f08a1856a34051de4b0e89a8c2cfc5430c2b7231b4c0281c2cdba25a7", kill_on_drop: false }`
[INFO] [stdout] 7500652f08a1856a34051de4b0e89a8c2cfc5430c2b7231b4c0281c2cdba25a7