[INFO] fetching crate wit-walrus 0.6.0...
[INFO] testing wit-walrus-0.6.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate wit-walrus 0.6.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate wit-walrus 0.6.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wit-walrus 0.6.0
[INFO] finished tweaking crates.io crate wit-walrus 0.6.0
[INFO] tweaked toml for crates.io crate wit-walrus 0.6.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7e59052677e9ee9a55b4b826a3ff36fd84b60def65c1c14dceac436ebb947140
[INFO] running `Command { std: "docker" "start" "-a" "7e59052677e9ee9a55b4b826a3ff36fd84b60def65c1c14dceac436ebb947140", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e59052677e9ee9a55b4b826a3ff36fd84b60def65c1c14dceac436ebb947140", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e59052677e9ee9a55b4b826a3ff36fd84b60def65c1c14dceac436ebb947140", kill_on_drop: false }`
[INFO] [stdout] 7e59052677e9ee9a55b4b826a3ff36fd84b60def65c1c14dceac436ebb947140
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 11dda6b66a2b7b11b1e2cec9f3ea0056f5990c8635aed6e22c0e9b95d52c180c
[INFO] running `Command { std: "docker" "start" "-a" "11dda6b66a2b7b11b1e2cec9f3ea0056f5990c8635aed6e22c0e9b95d52c180c", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling leb128 v0.2.4
[INFO] [stderr]    Compiling wit-schema-version v0.1.0
[INFO] [stderr]    Compiling id-arena v2.2.1
[INFO] [stderr]    Compiling wasmparser v0.77.0
[INFO] [stderr]    Compiling walrus-macro v0.19.0
[INFO] [stderr]    Compiling wit-parser v0.2.0
[INFO] [stderr]    Compiling wit-writer v0.2.0
[INFO] [stderr]    Compiling walrus v0.19.0
[INFO] [stderr]    Compiling wit-walrus v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.42s
[INFO] running `Command { std: "docker" "inspect" "11dda6b66a2b7b11b1e2cec9f3ea0056f5990c8635aed6e22c0e9b95d52c180c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11dda6b66a2b7b11b1e2cec9f3ea0056f5990c8635aed6e22c0e9b95d52c180c", kill_on_drop: false }`
[INFO] [stdout] 11dda6b66a2b7b11b1e2cec9f3ea0056f5990c8635aed6e22c0e9b95d52c180c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cdaafb07e9dd3145ffc02b5d17d9f88924619ed1eaad2c80902165bd7a27d26f
[INFO] running `Command { std: "docker" "start" "-a" "cdaafb07e9dd3145ffc02b5d17d9f88924619ed1eaad2c80902165bd7a27d26f", kill_on_drop: false }`
[INFO] [stderr]    Compiling wit-walrus v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "cdaafb07e9dd3145ffc02b5d17d9f88924619ed1eaad2c80902165bd7a27d26f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdaafb07e9dd3145ffc02b5d17d9f88924619ed1eaad2c80902165bd7a27d26f", kill_on_drop: false }`
[INFO] [stdout] cdaafb07e9dd3145ffc02b5d17d9f88924619ed1eaad2c80902165bd7a27d26f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1006448740a516be1aaa38bf110e5bda811cc5e52e236ad395a00d608c5b1c14
[INFO] running `Command { std: "docker" "start" "-a" "1006448740a516be1aaa38bf110e5bda811cc5e52e236ad395a00d608c5b1c14", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/wit_walrus-6cc31143d08bc595)
[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 wit-walrus
[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" "1006448740a516be1aaa38bf110e5bda811cc5e52e236ad395a00d608c5b1c14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1006448740a516be1aaa38bf110e5bda811cc5e52e236ad395a00d608c5b1c14", kill_on_drop: false }`
[INFO] [stdout] 1006448740a516be1aaa38bf110e5bda811cc5e52e236ad395a00d608c5b1c14