[INFO] fetching crate pageflip 0.0.0...
[INFO] testing pageflip-0.0.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate pageflip 0.0.0 into /workspace/builds/worker-51/source
[INFO] validating manifest of crates.io crate pageflip 0.0.0 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 pageflip 0.0.0
[INFO] finished tweaking crates.io crate pageflip 0.0.0
[INFO] tweaked toml for crates.io crate pageflip 0.0.0 written to /workspace/builds/worker-51/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-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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] ea8bb32ce8dbf0a619711d40a13a6d1301479fee47afe0f86f0a3255ab6cbb30
[INFO] running `Command { std: "docker" "start" "-a" "ea8bb32ce8dbf0a619711d40a13a6d1301479fee47afe0f86f0a3255ab6cbb30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea8bb32ce8dbf0a619711d40a13a6d1301479fee47afe0f86f0a3255ab6cbb30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea8bb32ce8dbf0a619711d40a13a6d1301479fee47afe0f86f0a3255ab6cbb30", kill_on_drop: false }`
[INFO] [stdout] ea8bb32ce8dbf0a619711d40a13a6d1301479fee47afe0f86f0a3255ab6cbb30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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] bb4f14af68be2a144e7f4c7216420f2427f8614b4d59bd6caa9791aee24f69b4
[INFO] running `Command { std: "docker" "start" "-a" "bb4f14af68be2a144e7f4c7216420f2427f8614b4d59bd6caa9791aee24f69b4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling pageflip v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.86s
[INFO] running `Command { std: "docker" "inspect" "bb4f14af68be2a144e7f4c7216420f2427f8614b4d59bd6caa9791aee24f69b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb4f14af68be2a144e7f4c7216420f2427f8614b4d59bd6caa9791aee24f69b4", kill_on_drop: false }`
[INFO] [stdout] bb4f14af68be2a144e7f4c7216420f2427f8614b4d59bd6caa9791aee24f69b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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] 80ad5036e3f1fac47e32ed5047f26c6a1e8c88f975ba81a56bb8542d3da20c7b
[INFO] running `Command { std: "docker" "start" "-a" "80ad5036e3f1fac47e32ed5047f26c6a1e8c88f975ba81a56bb8542d3da20c7b", kill_on_drop: false }`
[INFO] [stderr]    Compiling pageflip v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "80ad5036e3f1fac47e32ed5047f26c6a1e8c88f975ba81a56bb8542d3da20c7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80ad5036e3f1fac47e32ed5047f26c6a1e8c88f975ba81a56bb8542d3da20c7b", kill_on_drop: false }`
[INFO] [stdout] 80ad5036e3f1fac47e32ed5047f26c6a1e8c88f975ba81a56bb8542d3da20c7b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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] ef6b6661ce28456116aef024d1cd606e272945fa56074046bc024ad7b5b6b3f8
[INFO] running `Command { std: "docker" "start" "-a" "ef6b6661ce28456116aef024d1cd606e272945fa56074046bc024ad7b5b6b3f8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/pageflip-4a9efad37037e79f)
[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 pageflip
[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" "ef6b6661ce28456116aef024d1cd606e272945fa56074046bc024ad7b5b6b3f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef6b6661ce28456116aef024d1cd606e272945fa56074046bc024ad7b5b6b3f8", kill_on_drop: false }`
[INFO] [stdout] ef6b6661ce28456116aef024d1cd606e272945fa56074046bc024ad7b5b6b3f8