[INFO] fetching crate virtual-input 0.2.8...
[INFO] testing virtual-input-0.2.8 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate virtual-input 0.2.8 into /workspace/builds/worker-56/source
[INFO] validating manifest of crates.io crate virtual-input 0.2.8 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 virtual-input 0.2.8
[INFO] finished tweaking crates.io crate virtual-input 0.2.8
[INFO] tweaked toml for crates.io crate virtual-input 0.2.8 written to /workspace/builds/worker-56/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-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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] 5f202046bf5eff9670105d7c152b442d86c90dd9ffa9ae483fc7f7d9878962ff
[INFO] running `Command { std: "docker" "start" "-a" "5f202046bf5eff9670105d7c152b442d86c90dd9ffa9ae483fc7f7d9878962ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f202046bf5eff9670105d7c152b442d86c90dd9ffa9ae483fc7f7d9878962ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f202046bf5eff9670105d7c152b442d86c90dd9ffa9ae483fc7f7d9878962ff", kill_on_drop: false }`
[INFO] [stdout] 5f202046bf5eff9670105d7c152b442d86c90dd9ffa9ae483fc7f7d9878962ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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] 61f9a376e04fe1f0161aabbf132b559ecbdad7c45479b40278f8c12d9eac429c
[INFO] running `Command { std: "docker" "start" "-a" "61f9a376e04fe1f0161aabbf132b559ecbdad7c45479b40278f8c12d9eac429c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling strum v0.19.5
[INFO] [stderr]    Compiling strum_macros v0.19.4
[INFO] [stderr]    Compiling virtual-input v0.2.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.86s
[INFO] running `Command { std: "docker" "inspect" "61f9a376e04fe1f0161aabbf132b559ecbdad7c45479b40278f8c12d9eac429c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61f9a376e04fe1f0161aabbf132b559ecbdad7c45479b40278f8c12d9eac429c", kill_on_drop: false }`
[INFO] [stdout] 61f9a376e04fe1f0161aabbf132b559ecbdad7c45479b40278f8c12d9eac429c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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] 23b72550e5b5642ce47fb1786a32914d19c6312c659ddb6be441f15410f6741f
[INFO] running `Command { std: "docker" "start" "-a" "23b72550e5b5642ce47fb1786a32914d19c6312c659ddb6be441f15410f6741f", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling serde_test v1.0.130
[INFO] [stderr]    Compiling virtual-input v0.2.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.25s
[INFO] running `Command { std: "docker" "inspect" "23b72550e5b5642ce47fb1786a32914d19c6312c659ddb6be441f15410f6741f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23b72550e5b5642ce47fb1786a32914d19c6312c659ddb6be441f15410f6741f", kill_on_drop: false }`
[INFO] [stdout] 23b72550e5b5642ce47fb1786a32914d19c6312c659ddb6be441f15410f6741f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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] 8e63400d630fc84ad96c611bd3c6cdddc59f7ea8d429f78095b953458b8c468c
[INFO] running `Command { std: "docker" "start" "-a" "8e63400d630fc84ad96c611bd3c6cdddc59f7ea8d429f78095b953458b8c468c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/virtual_input-4173b5a742b0150b)
[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 virtual-input
[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" "8e63400d630fc84ad96c611bd3c6cdddc59f7ea8d429f78095b953458b8c468c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e63400d630fc84ad96c611bd3c6cdddc59f7ea8d429f78095b953458b8c468c", kill_on_drop: false }`
[INFO] [stdout] 8e63400d630fc84ad96c611bd3c6cdddc59f7ea8d429f78095b953458b8c468c