[INFO] fetching crate tokio-fs 0.1.7...
[INFO] checking tokio-fs-0.1.7 against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] extracting crate tokio-fs 0.1.7 into /workspace/builds/worker-1-tc1/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-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tokio-fs 0.1.7 on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-threadpool v0.1.18
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 99ddb2bb510cceb943b807ded8a7edb8f310ecb2fb51cbfabcfc612a45c0537b
[INFO] running `Command { std: "docker" "start" "-a" "99ddb2bb510cceb943b807ded8a7edb8f310ecb2fb51cbfabcfc612a45c0537b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "99ddb2bb510cceb943b807ded8a7edb8f310ecb2fb51cbfabcfc612a45c0537b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99ddb2bb510cceb943b807ded8a7edb8f310ecb2fb51cbfabcfc612a45c0537b", kill_on_drop: false }`
[INFO] [stdout] 99ddb2bb510cceb943b807ded8a7edb8f310ecb2fb51cbfabcfc612a45c0537b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a142cca46d006b1f7a2a3d0d6fb04f1fb2773851644133ceb3e9ee9fdc71ac88
[INFO] running `Command { std: "docker" "start" "-a" "a142cca46d006b1f7a2a3d0d6fb04f1fb2773851644133ceb3e9ee9fdc71ac88", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Checking tokio-executor v0.1.9
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking lock_api v0.3.3
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking tokio-timer v0.2.13
[INFO] [stderr]     Checking tokio-current-thread v0.1.6
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]     Checking 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]     Checking tokio-udp v0.1.6
[INFO] [stderr]     Checking tokio-uds v0.2.6
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking tempfile v3.1.0
[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/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/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: 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: 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 1.45s
[INFO] running `Command { std: "docker" "inspect" "a142cca46d006b1f7a2a3d0d6fb04f1fb2773851644133ceb3e9ee9fdc71ac88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a142cca46d006b1f7a2a3d0d6fb04f1fb2773851644133ceb3e9ee9fdc71ac88", kill_on_drop: false }`
[INFO] [stdout] a142cca46d006b1f7a2a3d0d6fb04f1fb2773851644133ceb3e9ee9fdc71ac88
