[INFO] fetching crate ligen 0.1.16...
[INFO] testing ligen-0.1.16 against 1.55.0 for beta-1.56-1
[INFO] extracting crate ligen 0.1.16 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate ligen 0.1.16 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 ligen 0.1.16
[INFO] finished tweaking crates.io crate ligen 0.1.16
[INFO] tweaked toml for crates.io crate ligen 0.1.16 written to /workspace/builds/worker-0/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 43a599c25d185b1bb59ea1b5774df3c89e7ed1b86c94da9240c773a1f2a2a13b
[INFO] running `Command { std: "docker" "start" "-a" "43a599c25d185b1bb59ea1b5774df3c89e7ed1b86c94da9240c773a1f2a2a13b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "43a599c25d185b1bb59ea1b5774df3c89e7ed1b86c94da9240c773a1f2a2a13b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43a599c25d185b1bb59ea1b5774df3c89e7ed1b86c94da9240c773a1f2a2a13b", kill_on_drop: false }`
[INFO] [stdout] 43a599c25d185b1bb59ea1b5774df3c89e7ed1b86c94da9240c773a1f2a2a13b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] c11ce03749f1daa065b7ff267e6ea6110493e0fa09d79c16b079b86a4da9989a
[INFO] running `Command { std: "docker" "start" "-a" "c11ce03749f1daa065b7ff267e6ea6110493e0fa09d79c16b079b86a4da9989a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling libloading v0.7.0
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling shrinkwraprs v0.3.0
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling ligen-core v0.1.16
[INFO] [stderr]    Compiling ligen-macro v0.1.16
[INFO] [stderr]    Compiling ligen v0.1.16 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.93s
[INFO] running `Command { std: "docker" "inspect" "c11ce03749f1daa065b7ff267e6ea6110493e0fa09d79c16b079b86a4da9989a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c11ce03749f1daa065b7ff267e6ea6110493e0fa09d79c16b079b86a4da9989a", kill_on_drop: false }`
[INFO] [stdout] c11ce03749f1daa065b7ff267e6ea6110493e0fa09d79c16b079b86a4da9989a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 2d830ac3f707615e09198338b1cd820d04af042712376d89b491f3fe07037aaf
[INFO] running `Command { std: "docker" "start" "-a" "2d830ac3f707615e09198338b1cd820d04af042712376d89b491f3fe07037aaf", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ligen v0.1.16 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.71s
[INFO] running `Command { std: "docker" "inspect" "2d830ac3f707615e09198338b1cd820d04af042712376d89b491f3fe07037aaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d830ac3f707615e09198338b1cd820d04af042712376d89b491f3fe07037aaf", kill_on_drop: false }`
[INFO] [stdout] 2d830ac3f707615e09198338b1cd820d04af042712376d89b491f3fe07037aaf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 890e7e3810fbb57369afb5523a3301212b5280e0f8041017d849a31058276851
[INFO] running `Command { std: "docker" "start" "-a" "890e7e3810fbb57369afb5523a3301212b5280e0f8041017d849a31058276851", 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/ligen-acd6c3a52b670f5f)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests ligen
[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 1 test
[INFO] [stdout] test src/lib.rs - (line 9) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "890e7e3810fbb57369afb5523a3301212b5280e0f8041017d849a31058276851", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "890e7e3810fbb57369afb5523a3301212b5280e0f8041017d849a31058276851", kill_on_drop: false }`
[INFO] [stdout] 890e7e3810fbb57369afb5523a3301212b5280e0f8041017d849a31058276851