[INFO] fetching crate diffusion 0.9.0...
[INFO] testing diffusion-0.9.0 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate diffusion 0.9.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate diffusion 0.9.0 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate diffusion 0.9.0
[INFO] finished tweaking crates.io crate diffusion 0.9.0
[INFO] tweaked toml for crates.io crate diffusion 0.9.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate diffusion 0.9.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 999e68fe22134bd984e7b60b58f57324c77a273eb7688986fe0bb6e5234196a5
[INFO] running `Command { std: "docker" "start" "-a" "999e68fe22134bd984e7b60b58f57324c77a273eb7688986fe0bb6e5234196a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "999e68fe22134bd984e7b60b58f57324c77a273eb7688986fe0bb6e5234196a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "999e68fe22134bd984e7b60b58f57324c77a273eb7688986fe0bb6e5234196a5", kill_on_drop: false }`
[INFO] [stdout] 999e68fe22134bd984e7b60b58f57324c77a273eb7688986fe0bb6e5234196a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f04d9a049da2257f14ca4fc4060d11330429d96694987bbbca5a2e6bf8e64eea
[INFO] running `Command { std: "docker" "start" "-a" "f04d9a049da2257f14ca4fc4060d11330429d96694987bbbca5a2e6bf8e64eea", kill_on_drop: false }`
[INFO] [stderr]    Compiling diffusion v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "f04d9a049da2257f14ca4fc4060d11330429d96694987bbbca5a2e6bf8e64eea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f04d9a049da2257f14ca4fc4060d11330429d96694987bbbca5a2e6bf8e64eea", kill_on_drop: false }`
[INFO] [stdout] f04d9a049da2257f14ca4fc4060d11330429d96694987bbbca5a2e6bf8e64eea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b30d9ecdae3781a22fd879e796b4f0ea2d3c017b566abc05689307d1d3f2e15
[INFO] running `Command { std: "docker" "start" "-a" "4b30d9ecdae3781a22fd879e796b4f0ea2d3c017b566abc05689307d1d3f2e15", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling getrandom v0.2.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling rand_core v0.6.1
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.2
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling diffusion v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.26s
[INFO] running `Command { std: "docker" "inspect" "4b30d9ecdae3781a22fd879e796b4f0ea2d3c017b566abc05689307d1d3f2e15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b30d9ecdae3781a22fd879e796b4f0ea2d3c017b566abc05689307d1d3f2e15", kill_on_drop: false }`
[INFO] [stdout] 4b30d9ecdae3781a22fd879e796b4f0ea2d3c017b566abc05689307d1d3f2e15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7fe9e3d838386307a4c4416d46a6e5785ebe8b1287c2483c358d3c00109ac14a
[INFO] running `Command { std: "docker" "start" "-a" "7fe9e3d838386307a4c4416d46a6e5785ebe8b1287c2483c358d3c00109ac14a", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 6 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/diffusion-d894c6bacc7d6470)
[INFO] [stdout] test tests::reader_return_err_on_truncated_data ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/file_reader-77d24862386b478f)
[INFO] [stdout] test tests::writer_write_one_message ... ok
[INFO] [stdout] test tests::writer_return_err_when_writing_header_with_short_length ... ok
[INFO] [stdout] test tests::reader_read_one_message ... ok
[INFO] [stdout] test tests::reader_return_err_on_corrupted_header ... ok
[INFO] [stdout] test tests::reader_return_err_on_corrupted_message_header ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[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]      Running unittests (/opt/rustwide/target/debug/deps/file_writer-eaf6c54ea4fda6df)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/multicast_reader-6db55097be022d9d)
[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]      Running unittests (/opt/rustwide/target/debug/deps/multicast_writer-fc95bf6b8642d1b5)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/file_test.rs (/opt/rustwide/target/debug/deps/file_test-1a688337177882f4)
[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] [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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests diffusion
[INFO] [stdout] test multiple_message ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 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" "7fe9e3d838386307a4c4416d46a6e5785ebe8b1287c2483c358d3c00109ac14a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fe9e3d838386307a4c4416d46a6e5785ebe8b1287c2483c358d3c00109ac14a", kill_on_drop: false }`
[INFO] [stdout] 7fe9e3d838386307a4c4416d46a6e5785ebe8b1287c2483c358d3c00109ac14a