[INFO] fetching crate diffusion 0.9.0...
[INFO] testing diffusion-0.9.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate diffusion 0.9.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate diffusion 0.9.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-12/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" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b1561220755a57b22efbc959eab091b99ba128bf5e3ef08eeceefe9c4236b9e0
[INFO] running `Command { std: "docker" "start" "-a" "b1561220755a57b22efbc959eab091b99ba128bf5e3ef08eeceefe9c4236b9e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b1561220755a57b22efbc959eab091b99ba128bf5e3ef08eeceefe9c4236b9e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1561220755a57b22efbc959eab091b99ba128bf5e3ef08eeceefe9c4236b9e0", kill_on_drop: false }`
[INFO] [stdout] b1561220755a57b22efbc959eab091b99ba128bf5e3ef08eeceefe9c4236b9e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8018b8d3cc16c296b8f15ac58a08e096e3b8ebea428d112fa38117816ef88547
[INFO] running `Command { std: "docker" "start" "-a" "8018b8d3cc16c296b8f15ac58a08e096e3b8ebea428d112fa38117816ef88547", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling diffusion v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.77s
[INFO] running `Command { std: "docker" "inspect" "8018b8d3cc16c296b8f15ac58a08e096e3b8ebea428d112fa38117816ef88547", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8018b8d3cc16c296b8f15ac58a08e096e3b8ebea428d112fa38117816ef88547", kill_on_drop: false }`
[INFO] [stdout] 8018b8d3cc16c296b8f15ac58a08e096e3b8ebea428d112fa38117816ef88547
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a8e8b9c01466f585d1b301c66e8d598dc75fa53792485eeb7d1c58900f9a8a94
[INFO] running `Command { std: "docker" "start" "-a" "a8e8b9c01466f585d1b301c66e8d598dc75fa53792485eeb7d1c58900f9a8a94", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling getrandom v0.2.1
[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 3.52s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/diffusion-44ca3fd8938b1bc5)
[INFO] [stderr]   Executable unittests src/bin/file_reader.rs (/opt/rustwide/target/debug/deps/file_reader-1ef2208aab73d3ef)
[INFO] [stderr]   Executable unittests src/bin/file_writer.rs (/opt/rustwide/target/debug/deps/file_writer-c5b6f08dc1cbc2d6)
[INFO] [stderr]   Executable unittests src/bin/multicast_reader.rs (/opt/rustwide/target/debug/deps/multicast_reader-d6bfa8088f39fcce)
[INFO] [stderr]   Executable unittests src/bin/multicast_writer.rs (/opt/rustwide/target/debug/deps/multicast_writer-9d03938b18e23faf)
[INFO] [stderr]   Executable tests/file_test.rs (/opt/rustwide/target/debug/deps/file_test-4b0d7f78a13a9464)
[INFO] running `Command { std: "docker" "inspect" "a8e8b9c01466f585d1b301c66e8d598dc75fa53792485eeb7d1c58900f9a8a94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8e8b9c01466f585d1b301c66e8d598dc75fa53792485eeb7d1c58900f9a8a94", kill_on_drop: false }`
[INFO] [stdout] a8e8b9c01466f585d1b301c66e8d598dc75fa53792485eeb7d1c58900f9a8a94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f6cb8ca73815d5b59b5d20f453687a587c304b5e919e50e128ed33b9cfde7b7b
[INFO] running `Command { std: "docker" "start" "-a" "f6cb8ca73815d5b59b5d20f453687a587c304b5e919e50e128ed33b9cfde7b7b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/diffusion-44ca3fd8938b1bc5)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::reader_read_one_message ... ok
[INFO] [stdout] test tests::reader_return_err_on_corrupted_message_header ... ok
[INFO] [stdout] test tests::reader_return_err_on_truncated_data ... ok
[INFO] [stdout] test tests::reader_return_err_on_corrupted_header ... ok
[INFO] [stdout] test tests::writer_return_err_when_writing_header_with_short_length ... ok
[INFO] [stdout] test tests::writer_write_one_message ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/file_reader.rs (/opt/rustwide/target/debug/deps/file_reader-1ef2208aab73d3ef)
[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 src/bin/file_writer.rs (/opt/rustwide/target/debug/deps/file_writer-c5b6f08dc1cbc2d6)
[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 src/bin/multicast_reader.rs (/opt/rustwide/target/debug/deps/multicast_reader-d6bfa8088f39fcce)
[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 src/bin/multicast_writer.rs (/opt/rustwide/target/debug/deps/multicast_writer-9d03938b18e23faf)
[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 tests/file_test.rs (/opt/rustwide/target/debug/deps/file_test-4b0d7f78a13a9464)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[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] [stderr]    Doc-tests diffusion
[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" "f6cb8ca73815d5b59b5d20f453687a587c304b5e919e50e128ed33b9cfde7b7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6cb8ca73815d5b59b5d20f453687a587c304b5e919e50e128ed33b9cfde7b7b", kill_on_drop: false }`
[INFO] [stdout] f6cb8ca73815d5b59b5d20f453687a587c304b5e919e50e128ed33b9cfde7b7b