[INFO] fetching crate genfut 0.4.2...
[INFO] testing genfut-0.4.2 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate genfut 0.4.2 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate genfut 0.4.2 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 genfut 0.4.2
[INFO] finished tweaking crates.io crate genfut 0.4.2
[INFO] tweaked toml for crates.io crate genfut 0.4.2 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate genfut 0.4.2 already has a lockfile, it will not be regenerated
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 92eb8589093f18ee1a2f57d59b19f78216863ca34d56f8e6850827884325e07d
[INFO] running `Command { std: "docker" "start" "-a" "92eb8589093f18ee1a2f57d59b19f78216863ca34d56f8e6850827884325e07d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "92eb8589093f18ee1a2f57d59b19f78216863ca34d56f8e6850827884325e07d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92eb8589093f18ee1a2f57d59b19f78216863ca34d56f8e6850827884325e07d", kill_on_drop: false }`
[INFO] [stdout] 92eb8589093f18ee1a2f57d59b19f78216863ca34d56f8e6850827884325e07d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 92175ce911b74e0fcb1dda1c36e68f727929714cb0fa891cf62ac82a0a63a7e4
[INFO] running `Command { std: "docker" "start" "-a" "92175ce911b74e0fcb1dda1c36e68f727929714cb0fa891cf62ac82a0a63a7e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling bindgen v0.54.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.16
[INFO] [stderr]    Compiling structopt v0.3.23
[INFO] [stderr]    Compiling genfut v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.92s
[INFO] running `Command { std: "docker" "inspect" "92175ce911b74e0fcb1dda1c36e68f727929714cb0fa891cf62ac82a0a63a7e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92175ce911b74e0fcb1dda1c36e68f727929714cb0fa891cf62ac82a0a63a7e4", kill_on_drop: false }`
[INFO] [stdout] 92175ce911b74e0fcb1dda1c36e68f727929714cb0fa891cf62ac82a0a63a7e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] c92e33230898de2390dc5f156c7f5103fadb5d93cb73d673274f1a7eca944464
[INFO] running `Command { std: "docker" "start" "-a" "c92e33230898de2390dc5f156c7f5103fadb5d93cb73d673274f1a7eca944464", kill_on_drop: false }`
[INFO] [stderr]    Compiling genfut v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "c92e33230898de2390dc5f156c7f5103fadb5d93cb73d673274f1a7eca944464", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c92e33230898de2390dc5f156c7f5103fadb5d93cb73d673274f1a7eca944464", kill_on_drop: false }`
[INFO] [stdout] c92e33230898de2390dc5f156c7f5103fadb5d93cb73d673274f1a7eca944464
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] d6d4eb663e2759f047c952f14cb998a55291ba243a5e5ae5c61b8ee6f40ea3b5
[INFO] running `Command { std: "docker" "start" "-a" "d6d4eb663e2759f047c952f14cb998a55291ba243a5e5ae5c61b8ee6f40ea3b5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/genfut-35ab0a52a7922a3d)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/main-1c1b5a53f05bdcfe)
[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] [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 genfut
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 15) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.14s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d6d4eb663e2759f047c952f14cb998a55291ba243a5e5ae5c61b8ee6f40ea3b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6d4eb663e2759f047c952f14cb998a55291ba243a5e5ae5c61b8ee6f40ea3b5", kill_on_drop: false }`
[INFO] [stdout] d6d4eb663e2759f047c952f14cb998a55291ba243a5e5ae5c61b8ee6f40ea3b5