[INFO] fetching crate tokio-fs 0.1.7...
[INFO] testing tokio-fs-0.1.7 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate tokio-fs 0.1.7 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate tokio-fs 0.1.7
[INFO] finished tweaking crates.io crate tokio-fs 0.1.7
[INFO] tweaked toml for crates.io crate tokio-fs 0.1.7 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tokio-fs 0.1.7 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tokio-fs 0.1.7 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ec87d013c9f312239a79bfc24fd0820c94519b0f8994feca12fc547bd033882d
[INFO] running `Command { std: "docker" "start" "-a" "ec87d013c9f312239a79bfc24fd0820c94519b0f8994feca12fc547bd033882d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec87d013c9f312239a79bfc24fd0820c94519b0f8994feca12fc547bd033882d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec87d013c9f312239a79bfc24fd0820c94519b0f8994feca12fc547bd033882d", kill_on_drop: false }`
[INFO] [stdout] ec87d013c9f312239a79bfc24fd0820c94519b0f8994feca12fc547bd033882d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 50fc96a38a3622e10e753f951e8a0ee778bcccde6784f494a9d4788b5a314dad
[INFO] running `Command { std: "docker" "start" "-a" "50fc96a38a3622e10e753f951e8a0ee778bcccde6784f494a9d4788b5a314dad", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling futures v0.1.29
[INFO] [stderr]    Compiling scopeguard v1.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling crossbeam-queue v0.2.1
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling num_cpus v1.12.0
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling crossbeam-deque v0.7.2
[INFO] [stderr]    Compiling tokio-executor v0.1.9
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling tokio-fs v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/read.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |         mem::replace(&mut self.state, new_state);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 71 |         let _ = mem::replace(&mut self.state, new_state);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/write.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |         mem::replace(&mut self.state, new_state);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 68 |         let _ = mem::replace(&mut self.state, new_state);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.15s
[INFO] running `Command { std: "docker" "inspect" "50fc96a38a3622e10e753f951e8a0ee778bcccde6784f494a9d4788b5a314dad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50fc96a38a3622e10e753f951e8a0ee778bcccde6784f494a9d4788b5a314dad", kill_on_drop: false }`
[INFO] [stdout] 50fc96a38a3622e10e753f951e8a0ee778bcccde6784f494a9d4788b5a314dad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e5ef50be33909fefe70ad25b276942b70a3e3b6f4ae91733861f32c2c2f9e89
[INFO] running `Command { std: "docker" "start" "-a" "0e5ef50be33909fefe70ad25b276942b70a3e3b6f4ae91733861f32c2c2f9e89", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling lock_api v0.3.3
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling tokio-sync v0.1.8
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling tokio-fs v0.1.6
[INFO] [stderr]    Compiling smallvec v0.6.13
[INFO] [stderr]    Compiling tokio-timer v0.2.13
[INFO] [stderr]    Compiling tokio-current-thread v0.1.6
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/read.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |         mem::replace(&mut self.state, new_state);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 71 |         let _ = mem::replace(&mut self.state, new_state);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/write.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |         mem::replace(&mut self.state, new_state);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 68 |         let _ = mem::replace(&mut self.state, new_state);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling tokio-reactor v0.1.12
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling tokio-uds v0.2.6
[INFO] [stderr]    Compiling tokio-tcp v0.1.4
[INFO] [stderr]    Compiling tokio-udp v0.1.6
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling tokio-fs v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around function argument
[INFO] [stdout]   --> tests/link.rs:25:15
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pool::run({ hard_link(src, dst.clone()) });
[INFO] [stdout]    |               ^^                           ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 25 -     pool::run({ hard_link(src, dst.clone()) });
[INFO] [stdout] 25 +     pool::run(hard_link(src, dst.clone()) );
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around function argument
[INFO] [stdout]   --> tests/link.rs:50:15
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pool::run({ os::unix::symlink(src.clone(), dst.clone()) });
[INFO] [stdout]    |               ^^                                           ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 50 -     pool::run({ os::unix::symlink(src.clone(), dst.clone()) });
[INFO] [stdout] 50 +     pool::run(os::unix::symlink(src.clone(), dst.clone()) );
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around function argument
[INFO] [stdout]   --> tests/link.rs:62:15
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pool::run({ read_link(dst.clone()).map(move |x| assert!(x == src)) });
[INFO] [stdout]    |               ^^                                                      ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 62 -     pool::run({ read_link(dst.clone()).map(move |x| assert!(x == src)) });
[INFO] [stdout] 62 +     pool::run(read_link(dst.clone()).map(move |x| assert!(x == src)) );
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around function argument
[INFO] [stdout]   --> tests/link.rs:63:15
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pool::run({ symlink_metadata(dst.clone()).map(move |x| assert!(x.file_type().is_symlink())) });
[INFO] [stdout]    |               ^^                                                                               ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 63 -     pool::run({ symlink_metadata(dst.clone()).map(move |x| assert!(x.file_type().is_symlink())) });
[INFO] [stdout] 63 +     pool::run(symlink_metadata(dst.clone()).map(move |x| assert!(x.file_type().is_symlink())) );
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around function argument
[INFO] [stdout]   --> tests/dir.rs:18:15
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pool::run({ create_dir(new_dir.clone()) });
[INFO] [stdout]    |               ^^                           ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 18 -     pool::run({ create_dir(new_dir.clone()) });
[INFO] [stdout] 18 +     pool::run(create_dir(new_dir.clone()) );
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around function argument
[INFO] [stdout]   --> tests/dir.rs:28:15
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pool::run({ create_dir_all(new_dir.clone()) });
[INFO] [stdout]    |               ^^                               ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 28 -     pool::run({ create_dir_all(new_dir.clone()) });
[INFO] [stdout] 28 +     pool::run(create_dir_all(new_dir.clone()) );
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around function argument
[INFO] [stdout]   --> tests/dir.rs:40:15
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pool::run({ remove_dir(new_dir.clone()) });
[INFO] [stdout]    |               ^^                           ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 40 -     pool::run({ remove_dir(new_dir.clone()) });
[INFO] [stdout] 40 +     pool::run(remove_dir(new_dir.clone()) );
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/read.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |         mem::replace(&mut self.state, new_state);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 71 |         let _ = mem::replace(&mut self.state, new_state);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/write.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |         mem::replace(&mut self.state, new_state);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 68 |         let _ = mem::replace(&mut self.state, new_state);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 9.71s
[INFO] running `Command { std: "docker" "inspect" "0e5ef50be33909fefe70ad25b276942b70a3e3b6f4ae91733861f32c2c2f9e89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e5ef50be33909fefe70ad25b276942b70a3e3b6f4ae91733861f32c2c2f9e89", kill_on_drop: false }`
[INFO] [stdout] 0e5ef50be33909fefe70ad25b276942b70a3e3b6f4ae91733861f32c2c2f9e89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8dfa7ad2447aa493a3bf5f7c240685dbf243f5bd0a48a2476a211ee826c94ee2
[INFO] running `Command { std: "docker" "start" "-a" "8dfa7ad2447aa493a3bf5f7c240685dbf243f5bd0a48a2476a211ee826c94ee2", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]   --> src/read.rs:71:9
[INFO] [stderr]    |
[INFO] [stderr] 71 |         mem::replace(&mut self.state, new_state);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 71 |         let _ = mem::replace(&mut self.state, new_state);
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]   --> src/write.rs:68:9
[INFO] [stderr]    |
[INFO] [stderr] 68 |         mem::replace(&mut self.state, new_state);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 68 |         let _ = mem::replace(&mut self.state, new_state);
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `tokio-fs` (lib) generated 2 warnings
[INFO] [stderr] warning: unnecessary braces around function argument
[INFO] [stderr]   --> tests/dir.rs:18:15
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pool::run({ create_dir(new_dir.clone()) });
[INFO] [stderr]    |               ^^                           ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr] 18 -     pool::run({ create_dir(new_dir.clone()) });
[INFO] [stderr] 18 +     pool::run(create_dir(new_dir.clone()) );
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around function argument
[INFO] [stderr]   --> tests/dir.rs:28:15
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pool::run({ create_dir_all(new_dir.clone()) });
[INFO] [stderr]    |               ^^                               ^^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr] 28 -     pool::run({ create_dir_all(new_dir.clone()) });
[INFO] [stderr] 28 +     pool::run(create_dir_all(new_dir.clone()) );
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around function argument
[INFO] [stderr]   --> tests/dir.rs:40:15
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pool::run({ remove_dir(new_dir.clone()) });
[INFO] [stderr]    |               ^^                           ^^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr] 40 -     pool::run({ remove_dir(new_dir.clone()) });
[INFO] [stderr] 40 +     pool::run(remove_dir(new_dir.clone()) );
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around function argument
[INFO] [stderr]   --> tests/link.rs:25:15
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pool::run({ hard_link(src, dst.clone()) });
[INFO] [stderr]    |               ^^                           ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr] 25 -     pool::run({ hard_link(src, dst.clone()) });
[INFO] [stderr] 25 +     pool::run(hard_link(src, dst.clone()) );
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around function argument
[INFO] [stderr]   --> tests/link.rs:50:15
[INFO] [stderr]    |
[INFO] [stderr] 50 |     pool::run({ os::unix::symlink(src.clone(), dst.clone()) });
[INFO] [stderr]    |               ^^                                           ^^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr] 50 -     pool::run({ os::unix::symlink(src.clone(), dst.clone()) });
[INFO] [stderr] 50 +     pool::run(os::unix::symlink(src.clone(), dst.clone()) );
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around function argument
[INFO] [stderr]   --> tests/link.rs:62:15
[INFO] [stderr]    |
[INFO] [stderr] 62 |     pool::run({ read_link(dst.clone()).map(move |x| assert!(x == src)) });
[INFO] [stderr]    |               ^^                                                      ^^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr] 62 -     pool::run({ read_link(dst.clone()).map(move |x| assert!(x == src)) });
[INFO] [stderr] 62 +     pool::run(read_link(dst.clone()).map(move |x| assert!(x == src)) );
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around function argument
[INFO] [stderr]   --> tests/link.rs:63:15
[INFO] [stderr]    |
[INFO] [stderr] 63 |     pool::run({ symlink_metadata(dst.clone()).map(move |x| assert!(x.file_type().is_symlink())) });
[INFO] [stderr]    |               ^^                                                                               ^^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr] 63 -     pool::run({ symlink_metadata(dst.clone()).map(move |x| assert!(x.file_type().is_symlink())) });
[INFO] [stderr] 63 +     pool::run(symlink_metadata(dst.clone()).map(move |x| assert!(x.file_type().is_symlink())) );
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `tokio-fs` (test "dir") generated 3 warnings (run `cargo fix --test "dir" -p tokio-fs` to apply 3 suggestions)
[INFO] [stderr] warning: `tokio-fs` (test "link") generated 4 warnings (run `cargo fix --test "link" -p tokio-fs` to apply 4 suggestions)
[INFO] [stderr] warning: `tokio-fs` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tokio_fs-3660514cb0b62569)
[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/dir.rs (/opt/rustwide/target/debug/deps/dir-00891ba58a454299)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test remove ... ok
[INFO] [stdout] test create ... ok
[INFO] [stdout] test create_all ... ok
[INFO] [stdout] test read ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/file.rs (/opt/rustwide/target/debug/deps/file-bb41c24084e9adac)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test metadata ... ok
[INFO] [stdout] test clone ... ok
[INFO] [stdout] test seek ... ok
[INFO] [stdout] test read_write ... ok
[INFO] [stdout] test read_write_helpers ... ok
[INFO] [stderr]      Running tests/link.rs (/opt/rustwide/target/debug/deps/link-09e6633bac17b33a)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_symlink ... ok
[INFO] [stdout] test test_hard_link ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tokio_fs
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test src/file/mod.rs - file::File::into_std (line 497) - compile ... ok
[INFO] [stdout] test src/file/mod.rs - file::File::metadata (line 345) - compile ... ok
[INFO] [stdout] test src/file/mod.rs - file::File::poll_metadata (line 367) - compile ... ok
[INFO] [stdout] test src/file/mod.rs - file::File::open (line 100) - compile ... ok
[INFO] [stdout] test src/file/mod.rs - file::File::poll_seek (line 195) - compile ... ok
[INFO] [stdout] test src/file/mod.rs - file::File::from_std (line 167) - compile ... ok
[INFO] [stdout] test src/file/mod.rs - file::File::poll_set_len (line 320) - compile ... ok
[INFO] [stdout] test src/file/mod.rs - file::File::create (line 139) - compile ... ok
[INFO] [stdout] test src/file/mod.rs - file::File (line 62) - compile ... ok
[INFO] [stdout] test src/file/open_options.rs - file::open_options::OpenOptions::new (line 26) ... ignored
[INFO] [stdout] test src/file/mod.rs - file::File (line 44) - compile ... ok
[INFO] [stdout] test src/file/mod.rs - file::File::try_clone (line 419) - compile ... ok
[INFO] [stdout] test src/read.rs - read::read (line 13) - compile ... ok
[INFO] [stdout] test src/file/mod.rs - file::File::poll_sync_data (line 284) - compile ... ok
[INFO] [stdout] test src/file/mod.rs - file::File::poll_set_permissions (line 464) - compile ... ok
[INFO] [stdout] test src/file/mod.rs - file::File::poll_sync_all (line 251) - compile ... ok
[INFO] [stdout] test src/file/mod.rs - file::File::seek (line 224) - compile ... ok
[INFO] [stdout] test src/file/mod.rs - file::File::poll_try_clone (line 392) - compile ... ok
[INFO] [stdout] test src/write.rs - write::write (line 13) - compile ... ok
[INFO] [stdout] test src/read_dir.rs - read_dir::DirEntry::path (line 114) ... ok
[INFO] [stdout] test src/read_dir.rs - read_dir::DirEntry::file_name (line 147) ... ok
[INFO] [stdout] test src/read_dir.rs - read_dir::DirEntry::poll_metadata (line 179) ... ok
[INFO] [stdout] test src/read_dir.rs - read_dir::DirEntry::poll_file_type (line 214) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 1.45s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8dfa7ad2447aa493a3bf5f7c240685dbf243f5bd0a48a2476a211ee826c94ee2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8dfa7ad2447aa493a3bf5f7c240685dbf243f5bd0a48a2476a211ee826c94ee2", kill_on_drop: false }`
[INFO] [stdout] 8dfa7ad2447aa493a3bf5f7c240685dbf243f5bd0a48a2476a211ee826c94ee2