[INFO] fetching crate polyfuse 0.4.1...
[INFO] testing polyfuse-0.4.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate polyfuse 0.4.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate polyfuse 0.4.1 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 polyfuse 0.4.1
[INFO] finished tweaking crates.io crate polyfuse 0.4.1
[INFO] tweaked toml for crates.io crate polyfuse 0.4.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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] d95e27aac9e95be4b2277850e04f5252f582efd74d8b82137649ee16155b73a1
[INFO] running `Command { std: "docker" "start" "-a" "d95e27aac9e95be4b2277850e04f5252f582efd74d8b82137649ee16155b73a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d95e27aac9e95be4b2277850e04f5252f582efd74d8b82137649ee16155b73a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d95e27aac9e95be4b2277850e04f5252f582efd74d8b82137649ee16155b73a1", kill_on_drop: false }`
[INFO] [stdout] d95e27aac9e95be4b2277850e04f5252f582efd74d8b82137649ee16155b73a1
[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] 7b83e39d42856d4b8cccc9bf96375027943b09c4691f71f2cfd6a99699de708f
[INFO] running `Command { std: "docker" "start" "-a" "7b83e39d42856d4b8cccc9bf96375027943b09c4691f71f2cfd6a99699de708f", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling zerocopy-derive v0.2.0
[INFO] [stderr]    Compiling zerocopy v0.3.0
[INFO] [stderr]    Compiling polyfuse-kernel v0.1.0
[INFO] [stderr]    Compiling polyfuse v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `mountopts`
[INFO] [stdout]   --> src/conn.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     mountopts: MountOptions,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Connection` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/conn.rs:28:10
[INFO] [stdout]    |
[INFO] [stdout] 28 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `inner`
[INFO] [stdout]  --> src/op.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     inner: crate::decoder::DecodeError,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `DecodeError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/op.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[derive(Debug)]
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.47s
[INFO] running `Command { std: "docker" "inspect" "7b83e39d42856d4b8cccc9bf96375027943b09c4691f71f2cfd6a99699de708f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b83e39d42856d4b8cccc9bf96375027943b09c4691f71f2cfd6a99699de708f", kill_on_drop: false }`
[INFO] [stdout] 7b83e39d42856d4b8cccc9bf96375027943b09c4691f71f2cfd6a99699de708f
[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] d5a9e0ba87e64ce1c56b5a977d9c2bf3e15e9e94725c633355d61622a7c1658b
[INFO] running `Command { std: "docker" "start" "-a" "d5a9e0ba87e64ce1c56b5a977d9c2bf3e15e9e94725c633355d61622a7c1658b", kill_on_drop: false }`
[INFO] [stdout] warning: field is never read: `mountopts`
[INFO] [stdout]   --> src/conn.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     mountopts: MountOptions,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Connection` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/conn.rs:28:10
[INFO] [stdout]    |
[INFO] [stdout] 28 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `inner`
[INFO] [stdout]  --> src/op.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     inner: crate::decoder::DecodeError,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `DecodeError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/op.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[derive(Debug)]
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling polyfuse v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `mountopts`
[INFO] [stdout]   --> src/conn.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     mountopts: MountOptions,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Connection` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/conn.rs:28:10
[INFO] [stdout]    |
[INFO] [stdout] 28 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `inner`
[INFO] [stdout]  --> src/op.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     inner: crate::decoder::DecodeError,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `DecodeError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/op.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[derive(Debug)]
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.15s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/polyfuse-2e3387bf33b13d6d)
[INFO] running `Command { std: "docker" "inspect" "d5a9e0ba87e64ce1c56b5a977d9c2bf3e15e9e94725c633355d61622a7c1658b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5a9e0ba87e64ce1c56b5a977d9c2bf3e15e9e94725c633355d61622a7c1658b", kill_on_drop: false }`
[INFO] [stdout] d5a9e0ba87e64ce1c56b5a977d9c2bf3e15e9e94725c633355d61622a7c1658b
[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] 5f85d8604fab4624ecccc71a3d19d7c05ce4b74b9438c1603868f764921aaba0
[INFO] running `Command { std: "docker" "start" "-a" "5f85d8604fab4624ecccc71a3d19d7c05ce4b74b9438c1603868f764921aaba0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: field is never read: `mountopts`
[INFO] [stderr]   --> src/conn.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     mountopts: MountOptions,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] note: `Connection` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/conn.rs:28:10
[INFO] [stderr]    |
[INFO] [stderr] 28 | #[derive(Debug)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `inner`
[INFO] [stderr]  --> src/op.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     inner: crate::decoder::DecodeError,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] note: `DecodeError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]  --> src/op.rs:5:10
[INFO] [stderr]   |
[INFO] [stderr] 5 | #[derive(Debug)]
[INFO] [stderr]   |          ^^^^^
[INFO] [stderr]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `polyfuse` (lib) generated 2 warnings
[INFO] [stderr] warning: `polyfuse` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.21s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/polyfuse-2e3387bf33b13d6d)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test decoder::tests::unaligned ... ok
[INFO] [stdout] test decoder::tests::missing_nul_terminator ... ok
[INFO] [stdout] test decoder::tests::fetch_str ... ok
[INFO] [stdout] test decoder::tests::unaligned_array ... ok
[INFO] [stdout] test decoder::tests::unexpected_eof ... ok
[INFO] [stdout] test session::tests::send_msg_chunked_data ... ok
[INFO] [stdout] test session::tests::init_default ... ok
[INFO] [stdout] test session::tests::send_msg_empty ... ok
[INFO] [stdout] test session::tests::send_msg_single_data ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests polyfuse
[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" "5f85d8604fab4624ecccc71a3d19d7c05ce4b74b9438c1603868f764921aaba0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f85d8604fab4624ecccc71a3d19d7c05ce4b74b9438c1603868f764921aaba0", kill_on_drop: false }`
[INFO] [stdout] 5f85d8604fab4624ecccc71a3d19d7c05ce4b74b9438c1603868f764921aaba0