[INFO] fetching crate dividebatur 0.2.1... [INFO] checking dividebatur-0.2.1 against try#7b3565da729099dbe807466fcd118fb2815986e0 for pr-81789 [INFO] extracting crate dividebatur 0.2.1 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate dividebatur 0.2.1 on toolchain 7b3565da729099dbe807466fcd118fb2815986e0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-4/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 72619277b3a15c31eb162e743907d116c0bcb0be0ce712c597790fd81e5762b2 [INFO] running `Command { std: "docker" "start" "-a" "72619277b3a15c31eb162e743907d116c0bcb0be0ce712c597790fd81e5762b2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "72619277b3a15c31eb162e743907d116c0bcb0be0ce712c597790fd81e5762b2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "72619277b3a15c31eb162e743907d116c0bcb0be0ce712c597790fd81e5762b2", kill_on_drop: false }` [INFO] [stdout] 72619277b3a15c31eb162e743907d116c0bcb0be0ce712c597790fd81e5762b2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] f7a970089ed278c2b35899a644567bc02e937efe4fe55a25f5e3886126a180f7 [INFO] running `Command { std: "docker" "start" "-a" "f7a970089ed278c2b35899a644567bc02e937efe4fe55a25f5e3886126a180f7", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.93 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Compiling crossbeam-utils v0.8.3 [INFO] [stderr] Compiling memoffset v0.6.3 [INFO] [stderr] Compiling rayon v1.5.0 [INFO] [stderr] Checking num-integer v0.1.44 [INFO] [stderr] Checking num-complex v0.1.43 [INFO] [stderr] Checking serde_json v1.0.64 [INFO] [stderr] Checking regex-automata v0.1.9 [INFO] [stderr] Checking num-iter v0.1.42 [INFO] [stderr] Checking bstr v0.2.15 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Checking crossbeam-epoch v0.9.3 [INFO] [stderr] Checking crossbeam-channel v0.5.1 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking crossbeam-deque v0.8.0 [INFO] [stderr] Checking csv v1.1.6 [INFO] [stderr] Checking rayon-core v1.9.0 [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 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: 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: 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 9.84s [INFO] running `Command { std: "docker" "inspect" "f7a970089ed278c2b35899a644567bc02e937efe4fe55a25f5e3886126a180f7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f7a970089ed278c2b35899a644567bc02e937efe4fe55a25f5e3886126a180f7", kill_on_drop: false }` [INFO] [stdout] f7a970089ed278c2b35899a644567bc02e937efe4fe55a25f5e3886126a180f7