[INFO] fetching crate webextension-protocol 0.1.0...
[INFO] testing webextension-protocol-0.1.0 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] extracting crate webextension-protocol 0.1.0 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate webextension-protocol 0.1.0 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate webextension-protocol 0.1.0
[INFO] finished tweaking crates.io crate webextension-protocol 0.1.0
[INFO] tweaked toml for crates.io crate webextension-protocol 0.1.0 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fe753742a0ab80e6bab1bb1f9babdd515007322c4a47a33df343f55e6aa9e091
[INFO] running `Command { std: "docker" "start" "-a" "fe753742a0ab80e6bab1bb1f9babdd515007322c4a47a33df343f55e6aa9e091", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe753742a0ab80e6bab1bb1f9babdd515007322c4a47a33df343f55e6aa9e091", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe753742a0ab80e6bab1bb1f9babdd515007322c4a47a33df343f55e6aa9e091", kill_on_drop: false }`
[INFO] [stdout] fe753742a0ab80e6bab1bb1f9babdd515007322c4a47a33df343f55e6aa9e091
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e60ed7c35b91584b1e69909d0f1c6c6d6585adb062a72cc26965bfe2e996f97
[INFO] running `Command { std: "docker" "start" "-a" "0e60ed7c35b91584b1e69909d0f1c6c6d6585adb062a72cc26965bfe2e996f97", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling webextension-protocol v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `sizeVector` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:88:13
[INFO] [stdout]    |
[INFO] [stdout] 88 |     let mut sizeVector = vec![];
[INFO] [stdout]    |             ^^^^^^^^^^ help: convert the identifier to snake case: `size_vector`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:90:5
[INFO] [stdout]    |
[INFO] [stdout] 90 |     output.write(&sizeVector);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:91:5
[INFO] [stdout]    |
[INFO] [stdout] 91 |     output.write(&message.into_bytes());
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:92:5
[INFO] [stdout]    |
[INFO] [stdout] 92 |     output.flush();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `Command { std: "docker" "inspect" "0e60ed7c35b91584b1e69909d0f1c6c6d6585adb062a72cc26965bfe2e996f97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e60ed7c35b91584b1e69909d0f1c6c6d6585adb062a72cc26965bfe2e996f97", kill_on_drop: false }`
[INFO] [stdout] 0e60ed7c35b91584b1e69909d0f1c6c6d6585adb062a72cc26965bfe2e996f97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff8634491c087954a0bd5b3cb2d165c8f38e30e3a032012764ed18f743ee90d6
[INFO] running `Command { std: "docker" "start" "-a" "ff8634491c087954a0bd5b3cb2d165c8f38e30e3a032012764ed18f743ee90d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling webextension-protocol v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `sizeVector` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:88:13
[INFO] [stdout]    |
[INFO] [stdout] 88 |     let mut sizeVector = vec![];
[INFO] [stdout]    |             ^^^^^^^^^^ help: convert the identifier to snake case: `size_vector`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:90:5
[INFO] [stdout]    |
[INFO] [stdout] 90 |     output.write(&sizeVector);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:91:5
[INFO] [stdout]    |
[INFO] [stdout] 91 |     output.write(&message.into_bytes());
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:92:5
[INFO] [stdout]    |
[INFO] [stdout] 92 |     output.flush();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> tests/simple-tests.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fs::remove_file(file_path);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `sizeVector` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:88:13
[INFO] [stdout]    |
[INFO] [stdout] 88 |     let mut sizeVector = vec![];
[INFO] [stdout]    |             ^^^^^^^^^^ help: convert the identifier to snake case: `size_vector`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:90:5
[INFO] [stdout]    |
[INFO] [stdout] 90 |     output.write(&sizeVector);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:91:5
[INFO] [stdout]    |
[INFO] [stdout] 91 |     output.write(&message.into_bytes());
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:92:5
[INFO] [stdout]    |
[INFO] [stdout] 92 |     output.flush();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.05s
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ff8634491c087954a0bd5b3cb2d165c8f38e30e3a032012764ed18f743ee90d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff8634491c087954a0bd5b3cb2d165c8f38e30e3a032012764ed18f743ee90d6", kill_on_drop: false }`
[INFO] [stdout] ff8634491c087954a0bd5b3cb2d165c8f38e30e3a032012764ed18f743ee90d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 57b1fcc8e3d20804ff1bf1ff90d9dea2571954204979e0888e5f3d95402ec646
[INFO] running `Command { std: "docker" "start" "-a" "57b1fcc8e3d20804ff1bf1ff90d9dea2571954204979e0888e5f3d95402ec646", kill_on_drop: false }`
[INFO] [stderr] warning: variable `sizeVector` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:88:13
[INFO] [stderr]    |
[INFO] [stderr] 88 |     let mut sizeVector = vec![];
[INFO] [stderr]    |             ^^^^^^^^^^ help: convert the identifier to snake case: `size_vector`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/lib.rs:90:5
[INFO] [stderr]    |
[INFO] [stderr] 90 |     output.write(&sizeVector);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/lib.rs:91:5
[INFO] [stderr]    |
[INFO] [stderr] 91 |     output.write(&message.into_bytes());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/lib.rs:92:5
[INFO] [stderr]    |
[INFO] [stderr] 92 |     output.flush();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: variable `sizeVector` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:88:13
[INFO] [stderr]    |
[INFO] [stderr] 88 |     let mut sizeVector = vec![];
[INFO] [stderr]    |             ^^^^^^^^^^ help: convert the identifier to snake case: `size_vector`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/lib.rs:90:5
[INFO] [stderr]    |
[INFO] [stderr] 90 |     output.write(&sizeVector);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/lib.rs:91:5
[INFO] [stderr]    |
[INFO] [stderr] 91 |     output.write(&message.into_bytes());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/lib.rs:92:5
[INFO] [stderr]    |
[INFO] [stderr] 92 |     output.flush();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> tests/simple-tests.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fs::remove_file(file_path);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/webextension_protocol-a2e69e1f353e781e)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/simple-tests.rs (/opt/rustwide/target/debug/deps/simple_tests-b33f2170b06ba811)
[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 2 tests
[INFO] [stderr] going to read 7 bytes
[INFO] [stderr] received: {"a":1}
[INFO] [stdout] test read_fixture_test ... ok
[INFO] [stderr] going to read 7 bytes
[INFO] [stdout] test write_read_test ... ok
[INFO] [stderr] received: {"a":1}
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests webextension-protocol
[INFO] [stdout] test result: ok. 2 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] running `Command { std: "docker" "inspect" "57b1fcc8e3d20804ff1bf1ff90d9dea2571954204979e0888e5f3d95402ec646", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57b1fcc8e3d20804ff1bf1ff90d9dea2571954204979e0888e5f3d95402ec646", kill_on_drop: false }`
[INFO] [stdout] 57b1fcc8e3d20804ff1bf1ff90d9dea2571954204979e0888e5f3d95402ec646