[INFO] fetching crate polyfuse 0.4.1...
[INFO] testing polyfuse-0.4.1 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] extracting crate polyfuse 0.4.1 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate polyfuse 0.4.1 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 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-11/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]  Downloading crates ...
[INFO] [stderr]   Downloaded polyfuse-kernel v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 7c2c44ff506b91e1bad826fc72420409093ce8ed08ccbad7604a45c7768eeb5b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7c2c44ff506b91e1bad826fc72420409093ce8ed08ccbad7604a45c7768eeb5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c2c44ff506b91e1bad826fc72420409093ce8ed08ccbad7604a45c7768eeb5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c2c44ff506b91e1bad826fc72420409093ce8ed08ccbad7604a45c7768eeb5b", kill_on_drop: false }`
[INFO] [stdout] 7c2c44ff506b91e1bad826fc72420409093ce8ed08ccbad7604a45c7768eeb5b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] bd41eabed773029f073d367df6b246984a7f30bb93c95de4535a6b84717c1ac9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "bd41eabed773029f073d367df6b246984a7f30bb93c95de4535a6b84717c1ac9", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.6
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling tracing-core v0.1.18
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling zerocopy-derive v0.2.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling zerocopy v0.3.0
[INFO] [stderr]    Compiling tracing v0.1.26
[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: `attr`
[INFO] [stdout]  --> src/reply.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     attr: fuse_attr,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `st`
[INFO] [stdout]    --> src/reply.rs:356:5
[INFO] [stdout]     |
[INFO] [stdout] 356 |     st: fuse_kstatfs,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `lk`
[INFO] [stdout]    --> src/reply.rs:478:5
[INFO] [stdout]     |
[INFO] [stdout] 478 |     lk: fuse_file_lock,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.74s
[INFO] running `Command { std: "docker" "inspect" "bd41eabed773029f073d367df6b246984a7f30bb93c95de4535a6b84717c1ac9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd41eabed773029f073d367df6b246984a7f30bb93c95de4535a6b84717c1ac9", kill_on_drop: false }`
[INFO] [stdout] bd41eabed773029f073d367df6b246984a7f30bb93c95de4535a6b84717c1ac9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 40fd3d12303ea85b2dceec15b486d902ea1223d9ef9f1c9adbf1f396ca2dccfc
[INFO] running `Command { std: "docker" "start" "-a" "40fd3d12303ea85b2dceec15b486d902ea1223d9ef9f1c9adbf1f396ca2dccfc", kill_on_drop: false }`
[INFO] [stderr]    Compiling polyfuse v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `attr`
[INFO] [stdout]  --> src/reply.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     attr: fuse_attr,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `st`
[INFO] [stdout]    --> src/reply.rs:356:5
[INFO] [stdout]     |
[INFO] [stdout] 356 |     st: fuse_kstatfs,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `lk`
[INFO] [stdout]    --> src/reply.rs:478:5
[INFO] [stdout]     |
[INFO] [stdout] 478 |     lk: fuse_file_lock,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `attr`
[INFO] [stdout]  --> src/reply.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     attr: fuse_attr,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `st`
[INFO] [stdout]    --> src/reply.rs:356:5
[INFO] [stdout]     |
[INFO] [stdout] 356 |     st: fuse_kstatfs,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `lk`
[INFO] [stdout]    --> src/reply.rs:478:5
[INFO] [stdout]     |
[INFO] [stdout] 478 |     lk: fuse_file_lock,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.16s
[INFO] running `Command { std: "docker" "inspect" "40fd3d12303ea85b2dceec15b486d902ea1223d9ef9f1c9adbf1f396ca2dccfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40fd3d12303ea85b2dceec15b486d902ea1223d9ef9f1c9adbf1f396ca2dccfc", kill_on_drop: false }`
[INFO] [stdout] 40fd3d12303ea85b2dceec15b486d902ea1223d9ef9f1c9adbf1f396ca2dccfc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 36b16a1a4b47b00c0c0546e7ec3f09aa93528a76449308e60dd4931e15304808
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "36b16a1a4b47b00c0c0546e7ec3f09aa93528a76449308e60dd4931e15304808", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `attr`
[INFO] [stderr]  --> src/reply.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     attr: fuse_attr,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `st`
[INFO] [stderr]    --> src/reply.rs:356:5
[INFO] [stderr]     |
[INFO] [stderr] 356 |     st: fuse_kstatfs,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `lk`
[INFO] [stderr]    --> src/reply.rs:478:5
[INFO] [stderr]     |
[INFO] [stderr] 478 |     lk: fuse_file_lock,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `attr`
[INFO] [stderr]  --> src/reply.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     attr: fuse_attr,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `st`
[INFO] [stderr]    --> src/reply.rs:356:5
[INFO] [stderr]     |
[INFO] [stderr] 356 |     st: fuse_kstatfs,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `lk`
[INFO] [stderr]    --> src/reply.rs:478:5
[INFO] [stderr]     |
[INFO] [stderr] 478 |     lk: fuse_file_lock,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/polyfuse-a001cb91395757da)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test decoder::tests::missing_nul_terminator ... ok
[INFO] [stdout] test decoder::tests::unaligned ... 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::send_msg_empty ... ok
[INFO] [stdout] test session::tests::send_msg_single_data ... ok
[INFO] [stderr]    Doc-tests polyfuse
[INFO] [stdout] test decoder::tests::fetch_str ... ok
[INFO] [stdout] test session::tests::init_default ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 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" "36b16a1a4b47b00c0c0546e7ec3f09aa93528a76449308e60dd4931e15304808", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36b16a1a4b47b00c0c0546e7ec3f09aa93528a76449308e60dd4931e15304808", kill_on_drop: false }`
[INFO] [stdout] 36b16a1a4b47b00c0c0546e7ec3f09aa93528a76449308e60dd4931e15304808