[INFO] fetching crate syn-select 0.2.0...
[INFO] testing syn-select-0.2.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate syn-select 0.2.0 into /workspace/builds/worker-40/source
[INFO] validating manifest of crates.io crate syn-select 0.2.0 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 syn-select 0.2.0
[INFO] finished tweaking crates.io crate syn-select 0.2.0
[INFO] tweaked toml for crates.io crate syn-select 0.2.0 written to /workspace/builds/worker-40/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-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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] 1c178fb177b6ab29727362dda4642145a8d99624fb3b6c6ad71db9f9c4a2ecbe
[INFO] running `Command { std: "docker" "start" "-a" "1c178fb177b6ab29727362dda4642145a8d99624fb3b6c6ad71db9f9c4a2ecbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c178fb177b6ab29727362dda4642145a8d99624fb3b6c6ad71db9f9c4a2ecbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c178fb177b6ab29727362dda4642145a8d99624fb3b6c6ad71db9f9c4a2ecbe", kill_on_drop: false }`
[INFO] [stdout] 1c178fb177b6ab29727362dda4642145a8d99624fb3b6c6ad71db9f9c4a2ecbe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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] 588926a911e54ceb15da7b7e443533ece58114a025a3eebc3edac0300e79aab7
[INFO] running `Command { std: "docker" "start" "-a" "588926a911e54ceb15da7b7e443533ece58114a025a3eebc3edac0300e79aab7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn-select v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.08s
[INFO] running `Command { std: "docker" "inspect" "588926a911e54ceb15da7b7e443533ece58114a025a3eebc3edac0300e79aab7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "588926a911e54ceb15da7b7e443533ece58114a025a3eebc3edac0300e79aab7", kill_on_drop: false }`
[INFO] [stdout] 588926a911e54ceb15da7b7e443533ece58114a025a3eebc3edac0300e79aab7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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] cc56edaaee92a1d57ae279a771532ce5f1cd951a0dd9e646b547b416793c6ef1
[INFO] running `Command { std: "docker" "start" "-a" "cc56edaaee92a1d57ae279a771532ce5f1cd951a0dd9e646b547b416793c6ef1", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn-select v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.36s
[INFO] running `Command { std: "docker" "inspect" "cc56edaaee92a1d57ae279a771532ce5f1cd951a0dd9e646b547b416793c6ef1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc56edaaee92a1d57ae279a771532ce5f1cd951a0dd9e646b547b416793c6ef1", kill_on_drop: false }`
[INFO] [stdout] cc56edaaee92a1d57ae279a771532ce5f1cd951a0dd9e646b547b416793c6ef1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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] 2e5c678189bf8ae8d9c6dc6344e1733132c6afc0003896ed4d86ccc6a2deb033
[INFO] running `Command { std: "docker" "start" "-a" "2e5c678189bf8ae8d9c6dc6344e1733132c6afc0003896ed4d86ccc6a2deb033", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/syn_select-b62090545ebc8753)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::example_3 ... ok
[INFO] [stdout] test tests::example_2 ... ok
[INFO] [stdout] test tests::example_6 ... ok
[INFO] [stdout] test tests::example_4 ... ok
[INFO] [stdout] test tests::example_1 ... ok
[INFO] [stdout] test tests::example_5 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests syn-select
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/selector.rs - selector::Selector::try_from (line 21) ... ok
[INFO] [stdout] test src/lib.rs - (line 4) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.10s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2e5c678189bf8ae8d9c6dc6344e1733132c6afc0003896ed4d86ccc6a2deb033", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e5c678189bf8ae8d9c6dc6344e1733132c6afc0003896ed4d86ccc6a2deb033", kill_on_drop: false }`
[INFO] [stdout] 2e5c678189bf8ae8d9c6dc6344e1733132c6afc0003896ed4d86ccc6a2deb033