[INFO] fetching crate ligen 0.1.16...
[INFO] testing ligen-0.1.16 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate ligen 0.1.16 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate ligen 0.1.16 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c2081f9d0da4ce90cdd7242b4a60db01fde3b81620993712f63e75254197c245
[INFO] running `Command { std: "docker" "start" "-a" "c2081f9d0da4ce90cdd7242b4a60db01fde3b81620993712f63e75254197c245", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2081f9d0da4ce90cdd7242b4a60db01fde3b81620993712f63e75254197c245", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2081f9d0da4ce90cdd7242b4a60db01fde3b81620993712f63e75254197c245", kill_on_drop: false }`
[INFO] [stdout] c2081f9d0da4ce90cdd7242b4a60db01fde3b81620993712f63e75254197c245
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 075bf502db01aa91edc1639790a51b4aade14e4121685130acc4f4309c499d58
[INFO] running `Command { std: "docker" "start" "-a" "075bf502db01aa91edc1639790a51b4aade14e4121685130acc4f4309c499d58", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling libloading v0.7.3
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling shrinkwraprs v0.3.0
[INFO] [stderr]    Compiling serde_json v1.0.79
[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 15.97s
[INFO] running `Command { std: "docker" "inspect" "075bf502db01aa91edc1639790a51b4aade14e4121685130acc4f4309c499d58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "075bf502db01aa91edc1639790a51b4aade14e4121685130acc4f4309c499d58", kill_on_drop: false }`
[INFO] [stdout] 075bf502db01aa91edc1639790a51b4aade14e4121685130acc4f4309c499d58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2030c7293d6fc7df344463031048d7f0fb09d6264deea71655a5e5d256fa19ff
[INFO] running `Command { std: "docker" "start" "-a" "2030c7293d6fc7df344463031048d7f0fb09d6264deea71655a5e5d256fa19ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling ligen v0.1.16 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "2030c7293d6fc7df344463031048d7f0fb09d6264deea71655a5e5d256fa19ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2030c7293d6fc7df344463031048d7f0fb09d6264deea71655a5e5d256fa19ff", kill_on_drop: false }`
[INFO] [stdout] 2030c7293d6fc7df344463031048d7f0fb09d6264deea71655a5e5d256fa19ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0d48dbd60407daa978b56a55aaaf8a2281bca072f42d42df45d413b68946da71
[INFO] running `Command { std: "docker" "start" "-a" "0d48dbd60407daa978b56a55aaaf8a2281bca072f42d42df45d413b68946da71", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ligen-d91f0d15b67000d2)
[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]    Doc-tests ligen
[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" "0d48dbd60407daa978b56a55aaaf8a2281bca072f42d42df45d413b68946da71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d48dbd60407daa978b56a55aaaf8a2281bca072f42d42df45d413b68946da71", kill_on_drop: false }`
[INFO] [stdout] 0d48dbd60407daa978b56a55aaaf8a2281bca072f42d42df45d413b68946da71