[INFO] fetching crate digest-buffer 0.3.1...
[INFO] testing digest-buffer-0.3.1 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate digest-buffer 0.3.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate digest-buffer 0.3.1 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate digest-buffer 0.3.1
[INFO] finished tweaking crates.io crate digest-buffer 0.3.1
[INFO] tweaked toml for crates.io crate digest-buffer 0.3.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded generic-array v0.7.3
[INFO] [stderr]   Downloaded byte-tools v0.1.3
[INFO] [stderr]   Downloaded nodrop v0.1.14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d19631cea6898af8ff9861764df85e33c61b4421b69d35642bc285530dff5b72
[INFO] running `Command { std: "docker" "start" "-a" "d19631cea6898af8ff9861764df85e33c61b4421b69d35642bc285530dff5b72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d19631cea6898af8ff9861764df85e33c61b4421b69d35642bc285530dff5b72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d19631cea6898af8ff9861764df85e33c61b4421b69d35642bc285530dff5b72", kill_on_drop: false }`
[INFO] [stdout] d19631cea6898af8ff9861764df85e33c61b4421b69d35642bc285530dff5b72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 69165af7ae4467c1d40de5666a522e678d874393bfcfed7a2fc82a218bb56da5
[INFO] running `Command { std: "docker" "start" "-a" "69165af7ae4467c1d40de5666a522e678d874393bfcfed7a2fc82a218bb56da5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling generic-array v0.7.3
[INFO] [stderr]    Compiling digest-buffer v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.73s
[INFO] running `Command { std: "docker" "inspect" "69165af7ae4467c1d40de5666a522e678d874393bfcfed7a2fc82a218bb56da5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69165af7ae4467c1d40de5666a522e678d874393bfcfed7a2fc82a218bb56da5", kill_on_drop: false }`
[INFO] [stdout] 69165af7ae4467c1d40de5666a522e678d874393bfcfed7a2fc82a218bb56da5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 585352f933560d19711aac7d5afe136f09a6c57ea6b3f85188a005ab11a5e360
[INFO] running `Command { std: "docker" "start" "-a" "585352f933560d19711aac7d5afe136f09a6c57ea6b3f85188a005ab11a5e360", kill_on_drop: false }`
[INFO] [stderr]    Compiling digest-buffer v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "585352f933560d19711aac7d5afe136f09a6c57ea6b3f85188a005ab11a5e360", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "585352f933560d19711aac7d5afe136f09a6c57ea6b3f85188a005ab11a5e360", kill_on_drop: false }`
[INFO] [stdout] 585352f933560d19711aac7d5afe136f09a6c57ea6b3f85188a005ab11a5e360
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5be2c8991602f7719a1ec06fa29898e78a29e3aad75528b894bae3636c7558d8
[INFO] running `Command { std: "docker" "start" "-a" "5be2c8991602f7719a1ec06fa29898e78a29e3aad75528b894bae3636c7558d8", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/digest_buffer-4153ada9c8af1860)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests digest-buffer
[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] running `Command { std: "docker" "inspect" "5be2c8991602f7719a1ec06fa29898e78a29e3aad75528b894bae3636c7558d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5be2c8991602f7719a1ec06fa29898e78a29e3aad75528b894bae3636c7558d8", kill_on_drop: false }`
[INFO] [stdout] 5be2c8991602f7719a1ec06fa29898e78a29e3aad75528b894bae3636c7558d8