[INFO] fetching crate wapc-guest 0.4.0...
[INFO] testing wapc-guest-0.4.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate wapc-guest 0.4.0 into /workspace/builds/worker-89/source
[INFO] validating manifest of crates.io crate wapc-guest 0.4.0 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 wapc-guest 0.4.0
[INFO] finished tweaking crates.io crate wapc-guest 0.4.0
[INFO] tweaked toml for crates.io crate wapc-guest 0.4.0 written to /workspace/builds/worker-89/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] [stderr]     Blocking waiting for file lock on package cache
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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] fc1285eb2b31bf74d50314e171ef469b1f40d35548efa95bbba7ef96c063c155
[INFO] running `Command { std: "docker" "start" "-a" "fc1285eb2b31bf74d50314e171ef469b1f40d35548efa95bbba7ef96c063c155", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc1285eb2b31bf74d50314e171ef469b1f40d35548efa95bbba7ef96c063c155", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc1285eb2b31bf74d50314e171ef469b1f40d35548efa95bbba7ef96c063c155", kill_on_drop: false }`
[INFO] [stdout] fc1285eb2b31bf74d50314e171ef469b1f40d35548efa95bbba7ef96c063c155
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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] 6ac4265fd3500587b314760ddc86dd2889a528ab33f8dd5d9e72a0d1cb468b70
[INFO] running `Command { std: "docker" "start" "-a" "6ac4265fd3500587b314760ddc86dd2889a528ab33f8dd5d9e72a0d1cb468b70", kill_on_drop: false }`
[INFO] [stderr]    Compiling wapc-guest v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "6ac4265fd3500587b314760ddc86dd2889a528ab33f8dd5d9e72a0d1cb468b70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ac4265fd3500587b314760ddc86dd2889a528ab33f8dd5d9e72a0d1cb468b70", kill_on_drop: false }`
[INFO] [stdout] 6ac4265fd3500587b314760ddc86dd2889a528ab33f8dd5d9e72a0d1cb468b70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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] e1694bd649299ef4eeaa9d6f455e059ff57ba01a4f7bd3c5f4c946a0caed0f4a
[INFO] running `Command { std: "docker" "start" "-a" "e1694bd649299ef4eeaa9d6f455e059ff57ba01a4f7bd3c5f4c946a0caed0f4a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling wapc-guest v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.32s
[INFO] running `Command { std: "docker" "inspect" "e1694bd649299ef4eeaa9d6f455e059ff57ba01a4f7bd3c5f4c946a0caed0f4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1694bd649299ef4eeaa9d6f455e059ff57ba01a4f7bd3c5f4c946a0caed0f4a", kill_on_drop: false }`
[INFO] [stdout] e1694bd649299ef4eeaa9d6f455e059ff57ba01a4f7bd3c5f4c946a0caed0f4a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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] 8c0da50f2ac9166384fb26cb9e75b506e7442e081c4673516cb1606266b63ee6
[INFO] running `Command { std: "docker" "start" "-a" "8c0da50f2ac9166384fb26cb9e75b506e7442e081c4673516cb1606266b63ee6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.41s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/wapc_guest-0c3de4259baf14e2)
[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 wapc-guest
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 10) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.36s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8c0da50f2ac9166384fb26cb9e75b506e7442e081c4673516cb1606266b63ee6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c0da50f2ac9166384fb26cb9e75b506e7442e081c4673516cb1606266b63ee6", kill_on_drop: false }`
[INFO] [stdout] 8c0da50f2ac9166384fb26cb9e75b506e7442e081c4673516cb1606266b63ee6