[INFO] fetching crate taildir 0.2.0... [INFO] checking taildir-0.2.0 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1 [INFO] extracting crate taildir 0.2.0 into /workspace/builds/worker-7-tc2/source [INFO] started tweaking crates.io crate taildir 0.2.0 [INFO] finished tweaking crates.io crate taildir 0.2.0 [INFO] tweaked toml for crates.io crate taildir 0.2.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate taildir 0.2.0 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 44 packages to latest compatible versions [INFO] [stderr] Adding notify v4.0.18 (available: v8.2.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 09a83c29fb1e1287604348639b77e5d224d610a2fe275fd1148a047af891d39c [INFO] running `Command { std: "docker" "start" "-a" "09a83c29fb1e1287604348639b77e5d224d610a2fe275fd1148a047af891d39c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "09a83c29fb1e1287604348639b77e5d224d610a2fe275fd1148a047af891d39c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "09a83c29fb1e1287604348639b77e5d224d610a2fe275fd1148a047af891d39c", kill_on_drop: false }` [INFO] [stdout] 09a83c29fb1e1287604348639b77e5d224d610a2fe275fd1148a047af891d39c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2d724eb9e48d3e8b92744520b53fbc6c7d8c8490418b669c100f2a7cc4fdb727 [INFO] running `Command { std: "docker" "start" "-a" "2d724eb9e48d3e8b92744520b53fbc6c7d8c8490418b669c100f2a7cc4fdb727", kill_on_drop: false }` [INFO] [stderr] Checking lazycell v1.3.0 [INFO] [stderr] Checking inotify-sys v0.1.5 [INFO] [stderr] Checking filetime v0.2.26 [INFO] [stderr] Checking mio-extras v2.0.6 [INFO] [stderr] Checking inotify v0.7.1 [INFO] [stderr] Checking notify v4.0.18 [INFO] [stderr] Checking taildir v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:130:59 [INFO] [stdout] | [INFO] [stdout] 130 | fn register_dir(dir: &str, filter: &FileFilter) -> Result<(HandleMap), Box> { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 130 - fn register_dir(dir: &str, filter: &FileFilter) -> Result<(HandleMap), Box> { [INFO] [stdout] 130 + fn register_dir(dir: &str, filter: &FileFilter) -> Result> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:16:21 [INFO] [stdout] | [INFO] [stdout] 16 | type BoxError = Box; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 16 | type BoxError = Box; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:17:22 [INFO] [stdout] | [INFO] [stdout] 17 | type FileFilter = Rc bool>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 17 | type FileFilter = Rc bool>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:18:22 [INFO] [stdout] | [INFO] [stdout] 18 | type LineFilter = Rc bool>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 18 | type LineFilter = Rc bool>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:91:83 [INFO] [stdout] | [INFO] [stdout] 91 | pub fn watch_dir(option: &WatchOption, callback: &F) -> Result<(), Box> [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 91 | pub fn watch_dir(option: &WatchOption, callback: &F) -> Result<(), Box> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:130:76 [INFO] [stdout] | [INFO] [stdout] 130 | fn register_dir(dir: &str, filter: &FileFilter) -> Result<(HandleMap), Box> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 130 | fn register_dir(dir: &str, filter: &FileFilter) -> Result<(HandleMap), Box> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:130:59 [INFO] [stdout] | [INFO] [stdout] 130 | fn register_dir(dir: &str, filter: &FileFilter) -> Result<(HandleMap), Box> { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 130 - fn register_dir(dir: &str, filter: &FileFilter) -> Result<(HandleMap), Box> { [INFO] [stdout] 130 + fn register_dir(dir: &str, filter: &FileFilter) -> Result> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:16:21 [INFO] [stdout] | [INFO] [stdout] 16 | type BoxError = Box; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 16 | type BoxError = Box; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:17:22 [INFO] [stdout] | [INFO] [stdout] 17 | type FileFilter = Rc bool>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 17 | type FileFilter = Rc bool>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:18:22 [INFO] [stdout] | [INFO] [stdout] 18 | type LineFilter = Rc bool>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 18 | type LineFilter = Rc bool>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:91:83 [INFO] [stdout] | [INFO] [stdout] 91 | pub fn watch_dir(option: &WatchOption, callback: &F) -> Result<(), Box> [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 91 | pub fn watch_dir(option: &WatchOption, callback: &F) -> Result<(), Box> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:130:76 [INFO] [stdout] | [INFO] [stdout] 130 | fn register_dir(dir: &str, filter: &FileFilter) -> Result<(HandleMap), Box> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 130 | fn register_dir(dir: &str, filter: &FileFilter) -> Result<(HandleMap), Box> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:200:25 [INFO] [stdout] | [INFO] [stdout] 200 | let mut handle = match fds.get_mut(name) { [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `path` is never read [INFO] [stdout] --> src/lib.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 21 | struct Handle { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] ... [INFO] [stdout] 24 | path: PathBuf, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Handle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:200:25 [INFO] [stdout] | [INFO] [stdout] 200 | let mut handle = match fds.get_mut(name) { [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `path` is never read [INFO] [stdout] --> src/lib.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 21 | struct Handle { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] ... [INFO] [stdout] 24 | path: PathBuf, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Handle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.02s [INFO] running `Command { std: "docker" "inspect" "2d724eb9e48d3e8b92744520b53fbc6c7d8c8490418b669c100f2a7cc4fdb727", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2d724eb9e48d3e8b92744520b53fbc6c7d8c8490418b669c100f2a7cc4fdb727", kill_on_drop: false }` [INFO] [stdout] 2d724eb9e48d3e8b92744520b53fbc6c7d8c8490418b669c100f2a7cc4fdb727