[INFO] fetching crate sigscan 0.1.1...
[INFO] testing sigscan-0.1.1 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate sigscan 0.1.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate sigscan 0.1.1 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sigscan 0.1.1
[INFO] finished tweaking crates.io crate sigscan 0.1.1
[INFO] tweaked toml for crates.io crate sigscan 0.1.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 896375f12c63fe680c52419b4b9e3cc267cc828b3676a8926121e2d53d2c7a44
[INFO] running `Command { std: "docker" "start" "-a" "896375f12c63fe680c52419b4b9e3cc267cc828b3676a8926121e2d53d2c7a44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "896375f12c63fe680c52419b4b9e3cc267cc828b3676a8926121e2d53d2c7a44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "896375f12c63fe680c52419b4b9e3cc267cc828b3676a8926121e2d53d2c7a44", kill_on_drop: false }`
[INFO] [stdout] 896375f12c63fe680c52419b4b9e3cc267cc828b3676a8926121e2d53d2c7a44
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d86c29f6cc14cdb812e036959e8ba2f9d6c27c9dca756306d73922cc428ccfa
[INFO] running `Command { std: "docker" "start" "-a" "5d86c29f6cc14cdb812e036959e8ba2f9d6c27c9dca756306d73922cc428ccfa", kill_on_drop: false }`
[INFO] [stderr]    Compiling sigscan v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "5d86c29f6cc14cdb812e036959e8ba2f9d6c27c9dca756306d73922cc428ccfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d86c29f6cc14cdb812e036959e8ba2f9d6c27c9dca756306d73922cc428ccfa", kill_on_drop: false }`
[INFO] [stdout] 5d86c29f6cc14cdb812e036959e8ba2f9d6c27c9dca756306d73922cc428ccfa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e6a7877b880cc8ac2fc880a8e0604f8465ea667b8ec1fe1feb8cd253af1017ea
[INFO] running `Command { std: "docker" "start" "-a" "e6a7877b880cc8ac2fc880a8e0604f8465ea667b8ec1fe1feb8cd253af1017ea", kill_on_drop: false }`
[INFO] [stderr]    Compiling sigscan v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "e6a7877b880cc8ac2fc880a8e0604f8465ea667b8ec1fe1feb8cd253af1017ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6a7877b880cc8ac2fc880a8e0604f8465ea667b8ec1fe1feb8cd253af1017ea", kill_on_drop: false }`
[INFO] [stdout] e6a7877b880cc8ac2fc880a8e0604f8465ea667b8ec1fe1feb8cd253af1017ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 967420f924dfe6a8a102a8baec8afd3a10ab2b203a13cfe9f6f7aa4059c8766f
[INFO] running `Command { std: "docker" "start" "-a" "967420f924dfe6a8a102a8baec8afd3a10ab2b203a13cfe9f6f7aa4059c8766f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sigscan-5196c403c348cafc)
[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 sigscan
[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" "967420f924dfe6a8a102a8baec8afd3a10ab2b203a13cfe9f6f7aa4059c8766f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "967420f924dfe6a8a102a8baec8afd3a10ab2b203a13cfe9f6f7aa4059c8766f", kill_on_drop: false }`
[INFO] [stdout] 967420f924dfe6a8a102a8baec8afd3a10ab2b203a13cfe9f6f7aa4059c8766f