[INFO] fetching crate wapc-guest 0.4.0...
[INFO] testing wapc-guest-0.4.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate wapc-guest 0.4.0 into /workspace/builds/worker-76/source
[INFO] validating manifest of crates.io crate wapc-guest 0.4.0 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 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-76/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-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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] 756901c9208d45d15dc6fece925c04a7cc5ac6a2c430da5a2cf3f6d7d94ddaf4
[INFO] running `Command { std: "docker" "start" "-a" "756901c9208d45d15dc6fece925c04a7cc5ac6a2c430da5a2cf3f6d7d94ddaf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "756901c9208d45d15dc6fece925c04a7cc5ac6a2c430da5a2cf3f6d7d94ddaf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "756901c9208d45d15dc6fece925c04a7cc5ac6a2c430da5a2cf3f6d7d94ddaf4", kill_on_drop: false }`
[INFO] [stdout] 756901c9208d45d15dc6fece925c04a7cc5ac6a2c430da5a2cf3f6d7d94ddaf4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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] 3c331dfd43fae846083a20dfc4ec3ed626482730d1b4784df3daa89673748347
[INFO] running `Command { std: "docker" "start" "-a" "3c331dfd43fae846083a20dfc4ec3ed626482730d1b4784df3daa89673748347", kill_on_drop: false }`
[INFO] [stderr]    Compiling wapc-guest v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "3c331dfd43fae846083a20dfc4ec3ed626482730d1b4784df3daa89673748347", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c331dfd43fae846083a20dfc4ec3ed626482730d1b4784df3daa89673748347", kill_on_drop: false }`
[INFO] [stdout] 3c331dfd43fae846083a20dfc4ec3ed626482730d1b4784df3daa89673748347
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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] 790c15dad8d21dced3f370ff7042fa084da444042a5e4f567b45030f34569440
[INFO] running `Command { std: "docker" "start" "-a" "790c15dad8d21dced3f370ff7042fa084da444042a5e4f567b45030f34569440", 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 1.27s
[INFO] running `Command { std: "docker" "inspect" "790c15dad8d21dced3f370ff7042fa084da444042a5e4f567b45030f34569440", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "790c15dad8d21dced3f370ff7042fa084da444042a5e4f567b45030f34569440", kill_on_drop: false }`
[INFO] [stdout] 790c15dad8d21dced3f370ff7042fa084da444042a5e4f567b45030f34569440
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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] 96aa0e3da157515295fc68aab1e6e896fd32bd74c3c44559b92815f714c9cc22
[INFO] running `Command { std: "docker" "start" "-a" "96aa0e3da157515295fc68aab1e6e896fd32bd74c3c44559b92815f714c9cc22", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.42s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/wapc_guest-f1b496c980546414)
[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 0.34s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "96aa0e3da157515295fc68aab1e6e896fd32bd74c3c44559b92815f714c9cc22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96aa0e3da157515295fc68aab1e6e896fd32bd74c3c44559b92815f714c9cc22", kill_on_drop: false }`
[INFO] [stdout] 96aa0e3da157515295fc68aab1e6e896fd32bd74c3c44559b92815f714c9cc22