[INFO] fetching crate wc-grab 0.3.0...
[INFO] testing wc-grab-0.3.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate wc-grab 0.3.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate wc-grab 0.3.0 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 wc-grab 0.3.0
[INFO] finished tweaking crates.io crate wc-grab 0.3.0
[INFO] tweaked toml for crates.io crate wc-grab 0.3.0 written to /workspace/builds/worker-0/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 2f1bfbcfcdc1fd0411d4305c51b97c4c0f9518801ddaa013175a11770ac7ca81
[INFO] running `Command { std: "docker" "start" "-a" "2f1bfbcfcdc1fd0411d4305c51b97c4c0f9518801ddaa013175a11770ac7ca81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f1bfbcfcdc1fd0411d4305c51b97c4c0f9518801ddaa013175a11770ac7ca81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f1bfbcfcdc1fd0411d4305c51b97c4c0f9518801ddaa013175a11770ac7ca81", kill_on_drop: false }`
[INFO] [stdout] 2f1bfbcfcdc1fd0411d4305c51b97c4c0f9518801ddaa013175a11770ac7ca81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] fd4ce91184edaaf33134e5f419d6acb1dd37f848be3aff5ca9309ad6516f2f2a
[INFO] running `Command { std: "docker" "start" "-a" "fd4ce91184edaaf33134e5f419d6acb1dd37f848be3aff5ca9309ad6516f2f2a", kill_on_drop: false }`
[INFO] [stderr]    Compiling inflate v0.1.1
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling libdbus-sys v0.1.5
[INFO] [stderr]    Compiling deflate v0.7.20
[INFO] [stderr]    Compiling gif v0.9.2
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling jpeg-decoder v0.1.22
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling dbus v0.5.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling png v0.6.2
[INFO] [stderr]    Compiling image v0.12.4
[INFO] [stderr]    Compiling wc-grab v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.39s
[INFO] running `Command { std: "docker" "inspect" "fd4ce91184edaaf33134e5f419d6acb1dd37f848be3aff5ca9309ad6516f2f2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd4ce91184edaaf33134e5f419d6acb1dd37f848be3aff5ca9309ad6516f2f2a", kill_on_drop: false }`
[INFO] [stdout] fd4ce91184edaaf33134e5f419d6acb1dd37f848be3aff5ca9309ad6516f2f2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 9ffa276b6f4dc79f273a5c2b4fa48b2324337e65c22e555765ed87d74884977d
[INFO] running `Command { std: "docker" "start" "-a" "9ffa276b6f4dc79f273a5c2b4fa48b2324337e65c22e555765ed87d74884977d", kill_on_drop: false }`
[INFO] [stderr]    Compiling wc-grab v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "9ffa276b6f4dc79f273a5c2b4fa48b2324337e65c22e555765ed87d74884977d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ffa276b6f4dc79f273a5c2b4fa48b2324337e65c22e555765ed87d74884977d", kill_on_drop: false }`
[INFO] [stdout] 9ffa276b6f4dc79f273a5c2b4fa48b2324337e65c22e555765ed87d74884977d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 874e2df77c29d88aa273ddb4896129843684fed01987181aa77ee0594879359a
[INFO] running `Command { std: "docker" "start" "-a" "874e2df77c29d88aa273ddb4896129843684fed01987181aa77ee0594879359a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/wc_grab-673d0fbfc3115f13)
[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" "874e2df77c29d88aa273ddb4896129843684fed01987181aa77ee0594879359a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "874e2df77c29d88aa273ddb4896129843684fed01987181aa77ee0594879359a", kill_on_drop: false }`
[INFO] [stdout] 874e2df77c29d88aa273ddb4896129843684fed01987181aa77ee0594879359a