[INFO] crate dividebatur 0.2.1 is already in cache [INFO] checking dividebatur-0.2.1 against try#22dd2dd1dc07f63ae9394352d412f020d2985684 for pr-74627 [INFO] extracting crate dividebatur 0.2.1 into /workspace/builds/worker-13/source [INFO] validating manifest of crates.io crate dividebatur 0.2.1 on toolchain 22dd2dd1dc07f63ae9394352d412f020d2985684 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate dividebatur 0.2.1 [INFO] finished tweaking crates.io crate dividebatur 0.2.1 [INFO] tweaked toml for crates.io crate dividebatur 0.2.1 written to /workspace/builds/worker-13/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b0a0114fb2dc9e30ba8d228fd519adb02a468967fa0b1cb6479e83d2559445e3 [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" "b0a0114fb2dc9e30ba8d228fd519adb02a468967fa0b1cb6479e83d2559445e3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b0a0114fb2dc9e30ba8d228fd519adb02a468967fa0b1cb6479e83d2559445e3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b0a0114fb2dc9e30ba8d228fd519adb02a468967fa0b1cb6479e83d2559445e3", kill_on_drop: false }` [INFO] [stdout] b0a0114fb2dc9e30ba8d228fd519adb02a468967fa0b1cb6479e83d2559445e3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3dff9b159a3ad8c974dcf95d9894a1d31c89503410aba91bf13afe617d9ef08f [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" "3dff9b159a3ad8c974dcf95d9894a1d31c89503410aba91bf13afe617d9ef08f", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling rayon-core v1.7.1 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Compiling rayon v1.3.1 [INFO] [stderr] Checking num-integer v0.1.43 [INFO] [stderr] Checking num-complex v0.1.43 [INFO] [stderr] Checking regex-automata v0.1.9 [INFO] [stderr] Checking serde_json v1.0.57 [INFO] [stderr] Checking crossbeam-deque v0.7.3 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking num-iter v0.1.41 [INFO] [stderr] Checking bstr v0.2.13 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Checking num-bigint v0.1.44 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking tempfile v2.2.0 [INFO] [stderr] Checking csv v1.1.3 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Checking dividebatur v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/aec/data/candidates.rs:42:81 [INFO] [stdout] | [INFO] [stdout] 42 | pub fn load(filename: &str, state: &str) -> Result, Box> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/aec/data/candidates.rs:67:8 [INFO] [stdout] | [INFO] [stdout] 67 | Ok((rows)) [INFO] [stdout] | ^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/aec/data/formalpreferences.rs:107:89 [INFO] [stdout] | [INFO] [stdout] 107 | pub fn load(filename: &str, candidates: &CandidateData) -> Result, Box> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/engine.rs:304:80 [INFO] [stdout] | [INFO] [stdout] 304 | fn find_tie_breaker(&self, candidates: &Vec) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/aec/data/candidates.rs:42:81 [INFO] [stdout] | [INFO] [stdout] 42 | pub fn load(filename: &str, state: &str) -> Result, Box> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/aec/data/candidates.rs:67:8 [INFO] [stdout] | [INFO] [stdout] 67 | Ok((rows)) [INFO] [stdout] | ^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/aec/data/formalpreferences.rs:107:89 [INFO] [stdout] | [INFO] [stdout] 107 | pub fn load(filename: &str, candidates: &CandidateData) -> Result, Box> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/engine.rs:304:80 [INFO] [stdout] | [INFO] [stdout] 304 | fn find_tie_breaker(&self, candidates: &Vec) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/aec/data/candidates.rs:42:81 [INFO] [stdout] | [INFO] [stdout] 42 | pub fn load(filename: &str, state: &str) -> Result, Box> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/aec/data/candidates.rs:67:8 [INFO] [stdout] | [INFO] [stdout] 67 | Ok((rows)) [INFO] [stdout] | ^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/aec/data/formalpreferences.rs:107:89 [INFO] [stdout] | [INFO] [stdout] 107 | pub fn load(filename: &str, candidates: &CandidateData) -> Result, Box> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/engine.rs:304:80 [INFO] [stdout] | [INFO] [stdout] 304 | fn find_tie_breaker(&self, candidates: &Vec) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/aec/data/candidates.rs:42:81 [INFO] [stdout] | [INFO] [stdout] 42 | pub fn load(filename: &str, state: &str) -> Result, Box> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/aec/data/candidates.rs:67:8 [INFO] [stdout] | [INFO] [stdout] 67 | Ok((rows)) [INFO] [stdout] | ^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/aec/data/formalpreferences.rs:107:89 [INFO] [stdout] | [INFO] [stdout] 107 | pub fn load(filename: &str, candidates: &CandidateData) -> Result, Box> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/engine.rs:304:80 [INFO] [stdout] | [INFO] [stdout] 304 | fn find_tie_breaker(&self, candidates: &Vec) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 16.80s [INFO] running `Command { std: "docker" "inspect" "3dff9b159a3ad8c974dcf95d9894a1d31c89503410aba91bf13afe617d9ef08f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3dff9b159a3ad8c974dcf95d9894a1d31c89503410aba91bf13afe617d9ef08f", kill_on_drop: false }` [INFO] [stdout] 3dff9b159a3ad8c974dcf95d9894a1d31c89503410aba91bf13afe617d9ef08f