[INFO] fetching crate dividebatur 0.2.1...
[INFO] checking dividebatur-0.2.1 against beta-2020-07-24 for pr-75494-beta
[INFO] extracting crate dividebatur 0.2.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate dividebatur 0.2.1 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "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-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8058581d77ed943d672707086f9ac7adedd17df6370af9bf7b9665a66aca7183
[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" "8058581d77ed943d672707086f9ac7adedd17df6370af9bf7b9665a66aca7183", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8058581d77ed943d672707086f9ac7adedd17df6370af9bf7b9665a66aca7183", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8058581d77ed943d672707086f9ac7adedd17df6370af9bf7b9665a66aca7183", kill_on_drop: false }`
[INFO] [stdout] 8058581d77ed943d672707086f9ac7adedd17df6370af9bf7b9665a66aca7183
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a5ad20e14f93794a91e92601b16cd2858d196a712c24d735ef16d117e9dba5fe
[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" "a5ad20e14f93794a91e92601b16cd2858d196a712c24d735ef16d117e9dba5fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-iter v0.1.41
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking rayon-core v1.7.1
[INFO] [stderr]     Checking csv v1.1.3
[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<Vec<AECAllCandidateRow>, Box<Error>> {
[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<Vec<BallotState>, Box<Error>> {
[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<CandidateIndex>) -> Option<Vec<(CandidateIndex)>> {
[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<Vec<AECAllCandidateRow>, Box<Error>> {
[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<Vec<BallotState>, Box<Error>> {
[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<CandidateIndex>) -> Option<Vec<(CandidateIndex)>> {
[INFO] [stdout]     |                                                                                ^^^^^^^^^^^^^^^^ help: remove these parentheses
[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<Vec<AECAllCandidateRow>, Box<Error>> {
[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<Vec<BallotState>, Box<Error>> {
[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<CandidateIndex>) -> Option<Vec<(CandidateIndex)>> {
[INFO] [stdout]     |                                                                                ^^^^^^^^^^^^^^^^ help: remove these parentheses
[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<Vec<AECAllCandidateRow>, Box<Error>> {
[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<Vec<BallotState>, Box<Error>> {
[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<CandidateIndex>) -> Option<Vec<(CandidateIndex)>> {
[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 18.93s
[INFO] running `Command { std: "docker" "inspect" "a5ad20e14f93794a91e92601b16cd2858d196a712c24d735ef16d117e9dba5fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5ad20e14f93794a91e92601b16cd2858d196a712c24d735ef16d117e9dba5fe", kill_on_drop: false }`
[INFO] [stdout] a5ad20e14f93794a91e92601b16cd2858d196a712c24d735ef16d117e9dba5fe
