[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 [INFO] [stderr] Downloaded crossbeam-utils v0.6.6 [INFO] [stderr] Downloaded num_cpus v1.12.0 [INFO] [stderr] Downloaded cfg-if v0.1.10 [INFO] [stderr] Downloaded slab v0.4.2 [INFO] [stderr] Downloaded tokio-executor v0.1.9 [INFO] [stderr] Downloaded lazy_static v1.4.0 [INFO] [stderr] Downloaded maybe-uninit v2.0.0 [INFO] [stderr] Downloaded semver v0.9.0 [INFO] [stderr] Downloaded parking_lot v0.9.0 [INFO] [stderr] Downloaded tokio-codec v0.1.1 [INFO] [stderr] Downloaded remove_dir_all v0.5.2 [INFO] [stderr] Downloaded mio-uds v0.6.7 [INFO] [stderr] Downloaded fnv v1.0.6 [INFO] [stderr] Downloaded hermit-abi v0.1.6 [INFO] [stderr] Downloaded getrandom v0.1.14 [INFO] [stderr] Downloaded rustc_version v0.2.3 [INFO] [stderr] Downloaded tokio-tcp v0.1.4 [INFO] [stderr] Downloaded c2-chacha v0.2.3 [INFO] [stderr] Downloaded rand_chacha v0.2.1 [INFO] [stderr] Downloaded ws2_32-sys v0.2.1 [INFO] [stderr] Downloaded tokio-fs v0.1.6 [INFO] [stderr] Downloaded ppv-lite86 v0.2.6 [INFO] [stderr] Downloaded wasi v0.9.0+wasi-snapshot-preview1 [INFO] [stderr] Downloaded crossbeam-epoch v0.8.0 [INFO] [stderr] Downloaded tokio-timer v0.2.13 [INFO] [stderr] Downloaded futures v0.1.29 [INFO] [stderr] Downloaded mio v0.6.21 [INFO] [stderr] Downloaded libc v0.2.66 [INFO] [stderr] Downloaded miow v0.2.1 [INFO] [stderr] Downloaded rand v0.7.3 [INFO] [stderr] Downloaded tokio-sync v0.1.8 [INFO] [stderr] Downloaded tokio-reactor v0.1.12 [INFO] [stderr] Downloaded tokio-io v0.1.13 [INFO] [stderr] Downloaded crossbeam-utils v0.7.0 [INFO] [stderr] Downloaded tokio v0.1.22 [INFO] [stderr] Downloaded rand_core v0.5.1 [INFO] [stderr] Downloaded tempfile v3.1.0 [INFO] [stderr] Downloaded fuchsia-zircon v0.3.3 [INFO] [stderr] Downloaded kernel32-sys v0.2.2 [INFO] [stderr] Downloaded net2 v0.2.33 [INFO] [stderr] Downloaded lock_api v0.3.3 [INFO] [stderr] Downloaded bitflags v1.2.1 [INFO] [stderr] Downloaded cloudabi v0.0.3 [INFO] [stderr] Downloaded redox_syscall v0.1.56 [INFO] [stderr] Downloaded smallvec v0.6.13 [INFO] [stderr] Downloaded parking_lot_core v0.6.2 [INFO] [stderr] Downloaded byteorder v1.3.2 [INFO] [stderr] Downloaded iovec v0.1.4 [INFO] [stderr] Downloaded bytes v0.4.12 [INFO] [stderr] Downloaded rand_hc v0.2.0 [INFO] [stderr] Downloaded tokio-udp v0.1.6 [INFO] [stderr] Downloaded fuchsia-zircon-sys v0.3.3 [INFO] [stderr] Downloaded scopeguard v1.0.0 [INFO] [stderr] Downloaded tokio-current-thread v0.1.6 [INFO] [stderr] Downloaded memoffset v0.5.3 [INFO] [stderr] Downloaded crossbeam-deque v0.7.2 [INFO] [stderr] Downloaded autocfg v0.1.7 [INFO] [stderr] Downloaded log v0.4.8 [INFO] [stderr] Downloaded winapi-build v0.1.1 [INFO] [stderr] Downloaded tokio-uds v0.2.6 [INFO] [stderr] Downloaded semver-parser v0.7.0 [INFO] [stderr] Downloaded crossbeam-queue v0.2.1 [INFO] [stderr] Downloaded winapi v0.2.8 [INFO] [stderr] Downloaded winapi v0.3.8 [INFO] [stderr] Downloaded winapi-x86_64-pc-windows-gnu v0.4.0 [INFO] [stderr] Downloaded winapi-i686-pc-windows-gnu v0.4.0 [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