[INFO] fetching crate len_constraints 0.1.2... [INFO] checking len_constraints-0.1.2 against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781 [INFO] extracting crate len_constraints 0.1.2 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate len_constraints 0.1.2 on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate len_constraints 0.1.2 [INFO] finished tweaking crates.io crate len_constraints 0.1.2 [INFO] tweaked toml for crates.io crate len_constraints 0.1.2 written to /workspace/builds/worker-7/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 714111ae346711a42d777488ce4468d455a46cfe22917358817ef369003a0f37 [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" "714111ae346711a42d777488ce4468d455a46cfe22917358817ef369003a0f37", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "714111ae346711a42d777488ce4468d455a46cfe22917358817ef369003a0f37", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "714111ae346711a42d777488ce4468d455a46cfe22917358817ef369003a0f37", kill_on_drop: false }` [INFO] [stdout] 714111ae346711a42d777488ce4468d455a46cfe22917358817ef369003a0f37 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 42c6dcdc2c4fd920e130160eefab7be0b424361c8937b3164b5f6e2f91e14e8b [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" "42c6dcdc2c4fd920e130160eefab7be0b424361c8937b3164b5f6e2f91e14e8b", kill_on_drop: false }` [INFO] [stderr] Checking len_constraints v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/type_math.rs:41:51 [INFO] [stdout] | [INFO] [stdout] 41 | fn r#do(a: usize, b: usize) -> Result>; [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + 'static` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/type_math.rs:48:51 [INFO] [stdout] | [INFO] [stdout] 48 | fn r#do(a: usize, b: usize) -> Result> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + 'static` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/type_math.rs:57:51 [INFO] [stdout] | [INFO] [stdout] 57 | fn r#do(a: usize, b: usize) -> Result> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + 'static` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/type_math.rs:66:51 [INFO] [stdout] | [INFO] [stdout] 66 | fn r#do(a: usize, b: usize) -> Result> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + 'static` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/type_math.rs:75:51 [INFO] [stdout] | [INFO] [stdout] 75 | fn r#do(a: usize, b: usize) -> Result> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + 'static` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/slice.rs:57:19 [INFO] [stdout] | [INFO] [stdout] 57 | type Error = Box; [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + 'static` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/slice.rs:76:19 [INFO] [stdout] | [INFO] [stdout] 76 | type Error = Box; [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + 'static` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/slice.rs:100:73 [INFO] [stdout] | [INFO] [stdout] 100 | pub fn try_from(slice: &'a[T], relative_to: usize) -> Result> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + 'static` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/slice.rs:107:63 [INFO] [stdout] | [INFO] [stdout] 107 | pub fn slice(self, relative_to: usize) -> Result<&'a[T], Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + 'static` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/slice.rs:113:64 [INFO] [stdout] | [INFO] [stdout] 113 | fn validate(len: usize, relative_to: usize) -> Result<(), Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + 'static` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/slice_mut.rs:81:19 [INFO] [stdout] | [INFO] [stdout] 81 | type Error = Box; [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + 'static` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/slice_mut.rs:100:19 [INFO] [stdout] | [INFO] [stdout] 100 | type Error = Box; [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + 'static` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/slice_mut.rs:124:77 [INFO] [stdout] | [INFO] [stdout] 124 | pub fn try_from(slice: &'a mut[T], relative_to: usize) -> Result> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + 'static` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/slice_mut.rs:131:63 [INFO] [stdout] | [INFO] [stdout] 131 | pub fn slice(self, relative_to: usize) -> Result<&'a[T], Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + 'static` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/slice_mut.rs:137:71 [INFO] [stdout] | [INFO] [stdout] 137 | pub fn slice_mut(self, relative_to: usize) -> Result<&'a mut[T], Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + 'static` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/slice_mut.rs:143:64 [INFO] [stdout] | [INFO] [stdout] 143 | fn validate(len: usize, relative_to: usize) -> Result<(), Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + 'static` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/type_math.rs:41:51 [INFO] [stdout] | [INFO] [stdout] 41 | fn r#do(a: usize, b: usize) -> Result>; [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + 'static` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/type_math.rs:48:51 [INFO] [stdout] | [INFO] [stdout] 48 | fn r#do(a: usize, b: usize) -> Result> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + 'static` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/type_math.rs:57:51 [INFO] [stdout] | [INFO] [stdout] 57 | fn r#do(a: usize, b: usize) -> Result> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + 'static` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/type_math.rs:66:51 [INFO] [stdout] | [INFO] [stdout] 66 | fn r#do(a: usize, b: usize) -> Result> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + 'static` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/type_math.rs:75:51 [INFO] [stdout] | [INFO] [stdout] 75 | fn r#do(a: usize, b: usize) -> Result> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + 'static` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/slice.rs:57:19 [INFO] [stdout] | [INFO] [stdout] 57 | type Error = Box; [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + 'static` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/slice.rs:76:19 [INFO] [stdout] | [INFO] [stdout] 76 | type Error = Box; [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + 'static` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/slice.rs:100:73 [INFO] [stdout] | [INFO] [stdout] 100 | pub fn try_from(slice: &'a[T], relative_to: usize) -> Result> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + 'static` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/slice.rs:107:63 [INFO] [stdout] | [INFO] [stdout] 107 | pub fn slice(self, relative_to: usize) -> Result<&'a[T], Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + 'static` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/slice.rs:113:64 [INFO] [stdout] | [INFO] [stdout] 113 | fn validate(len: usize, relative_to: usize) -> Result<(), Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + 'static` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/slice_mut.rs:81:19 [INFO] [stdout] | [INFO] [stdout] 81 | type Error = Box; [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + 'static` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/slice_mut.rs:100:19 [INFO] [stdout] | [INFO] [stdout] 100 | type Error = Box; [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + 'static` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/slice_mut.rs:124:77 [INFO] [stdout] | [INFO] [stdout] 124 | pub fn try_from(slice: &'a mut[T], relative_to: usize) -> Result> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + 'static` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/slice_mut.rs:131:63 [INFO] [stdout] | [INFO] [stdout] 131 | pub fn slice(self, relative_to: usize) -> Result<&'a[T], Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + 'static` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/slice_mut.rs:137:71 [INFO] [stdout] | [INFO] [stdout] 137 | pub fn slice_mut(self, relative_to: usize) -> Result<&'a mut[T], Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + 'static` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/slice_mut.rs:143:64 [INFO] [stdout] | [INFO] [stdout] 143 | fn validate(len: usize, relative_to: usize) -> Result<(), Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + 'static` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 16 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 16 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> tests/constraint_macro.rs:10:29 [INFO] [stdout] | [INFO] [stdout] 10 | fn test() -> Result<(), Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + 'static` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.22s [INFO] running `Command { std: "docker" "inspect" "42c6dcdc2c4fd920e130160eefab7be0b424361c8937b3164b5f6e2f91e14e8b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "42c6dcdc2c4fd920e130160eefab7be0b424361c8937b3164b5f6e2f91e14e8b", kill_on_drop: false }` [INFO] [stdout] 42c6dcdc2c4fd920e130160eefab7be0b424361c8937b3164b5f6e2f91e14e8b