[INFO] updating cached repository https://github.com/grahame/dividebatur2
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] cfb61a616ded333aa58a76f974e14e58b4d4bc99
[INFO] testing grahame/dividebatur2 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrahame%2Fdividebatur2" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/grahame/dividebatur2 on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/grahame/dividebatur2
[INFO] finished tweaking git repo https://github.com/grahame/dividebatur2
[INFO] tweaked toml for git repo https://github.com/grahame/dividebatur2 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/grahame/dividebatur2 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /workspace/builds/worker-5/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "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" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1054de20748955a0ccef39ead8085aa3143fd356d40aaa2521bebe6547d19e05
[INFO] running `"docker" "start" "-a" "1054de20748955a0ccef39ead8085aa3143fd356d40aaa2521bebe6547d19e05"`
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling serde_json v1.0.51
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling crossbeam-queue v0.2.1
[INFO] [stderr]    Compiling tempfile v2.2.0
[INFO] [stderr]    Compiling bstr v0.2.12
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling flate2 v1.0.14
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling dividebatur v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/aec/data/candidates.rs:42:81
[INFO] [stderr]    |
[INFO] [stderr] 42 | pub fn load(filename: &str, state: &str) -> Result<Vec<AECAllCandidateRow>, Box<Error>> {
[INFO] [stderr]    |                                                                                 ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/aec/data/formalpreferences.rs:108:89
[INFO] [stderr]     |
[INFO] [stderr] 108 | pub fn load(filename: &str, candidates: &CandidateData) -> Result<Vec<BallotState>, Box<Error>> {
[INFO] [stderr]     |                                                                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/engine.rs:304:80
[INFO] [stderr]     |
[INFO] [stderr] 304 |     fn find_tie_breaker(&self, candidates: &Vec<CandidateIndex>) -> Option<Vec<(CandidateIndex)>> {
[INFO] [stderr]     |                                                                                ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/aec/data/candidates.rs:42:81
[INFO] [stderr]    |
[INFO] [stderr] 42 | pub fn load(filename: &str, state: &str) -> Result<Vec<AECAllCandidateRow>, Box<Error>> {
[INFO] [stderr]    |                                                                                 ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/aec/data/formalpreferences.rs:108:89
[INFO] [stderr]     |
[INFO] [stderr] 108 | pub fn load(filename: &str, candidates: &CandidateData) -> Result<Vec<BallotState>, Box<Error>> {
[INFO] [stderr]     |                                                                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/engine.rs:304:80
[INFO] [stderr]     |
[INFO] [stderr] 304 |     fn find_tie_breaker(&self, candidates: &Vec<CandidateIndex>) -> Option<Vec<(CandidateIndex)>> {
[INFO] [stderr]     |                                                                                ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 11s
[INFO] running `"docker" "inspect" "1054de20748955a0ccef39ead8085aa3143fd356d40aaa2521bebe6547d19e05"`
[INFO] running `"docker" "rm" "-f" "1054de20748955a0ccef39ead8085aa3143fd356d40aaa2521bebe6547d19e05"`
[INFO] [stdout] 1054de20748955a0ccef39ead8085aa3143fd356d40aaa2521bebe6547d19e05
[INFO] running `"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" "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" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 194b1868d7753c365209b265e5a10d16121c17feede286a2dabad656ac5f70a2
[INFO] running `"docker" "start" "-a" "194b1868d7753c365209b265e5a10d16121c17feede286a2dabad656ac5f70a2"`
[INFO] [stderr]    Compiling dividebatur v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/aec/data/candidates.rs:42:81
[INFO] [stderr]    |
[INFO] [stderr] 42 | pub fn load(filename: &str, state: &str) -> Result<Vec<AECAllCandidateRow>, Box<Error>> {
[INFO] [stderr]    |                                                                                 ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/aec/data/formalpreferences.rs:108:89
[INFO] [stderr]     |
[INFO] [stderr] 108 | pub fn load(filename: &str, candidates: &CandidateData) -> Result<Vec<BallotState>, Box<Error>> {
[INFO] [stderr]     |                                                                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/engine.rs:304:80
[INFO] [stderr]     |
[INFO] [stderr] 304 |     fn find_tie_breaker(&self, candidates: &Vec<CandidateIndex>) -> Option<Vec<(CandidateIndex)>> {
[INFO] [stderr]     |                                                                                ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/aec/data/candidates.rs:42:81
[INFO] [stderr]    |
[INFO] [stderr] 42 | pub fn load(filename: &str, state: &str) -> Result<Vec<AECAllCandidateRow>, Box<Error>> {
[INFO] [stderr]    |                                                                                 ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/aec/data/formalpreferences.rs:108:89
[INFO] [stderr]     |
[INFO] [stderr] 108 | pub fn load(filename: &str, candidates: &CandidateData) -> Result<Vec<BallotState>, Box<Error>> {
[INFO] [stderr]     |                                                                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/engine.rs:304:80
[INFO] [stderr]     |
[INFO] [stderr] 304 |     fn find_tie_breaker(&self, candidates: &Vec<CandidateIndex>) -> Option<Vec<(CandidateIndex)>> {
[INFO] [stderr]     |                                                                                ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/aec/data/candidates.rs:42:81
[INFO] [stderr]    |
[INFO] [stderr] 42 | pub fn load(filename: &str, state: &str) -> Result<Vec<AECAllCandidateRow>, Box<Error>> {
[INFO] [stderr]    |                                                                                 ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/aec/data/formalpreferences.rs:108:89
[INFO] [stderr]     |
[INFO] [stderr] 108 | pub fn load(filename: &str, candidates: &CandidateData) -> Result<Vec<BallotState>, Box<Error>> {
[INFO] [stderr]     |                                                                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/engine.rs:304:80
[INFO] [stderr]     |
[INFO] [stderr] 304 |     fn find_tie_breaker(&self, candidates: &Vec<CandidateIndex>) -> Option<Vec<(CandidateIndex)>> {
[INFO] [stderr]     |                                                                                ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.03s
[INFO] running `"docker" "inspect" "194b1868d7753c365209b265e5a10d16121c17feede286a2dabad656ac5f70a2"`
[INFO] running `"docker" "rm" "-f" "194b1868d7753c365209b265e5a10d16121c17feede286a2dabad656ac5f70a2"`
[INFO] [stdout] 194b1868d7753c365209b265e5a10d16121c17feede286a2dabad656ac5f70a2
[INFO] running `"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" "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" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d1e92bfbad8ff43866d10e5686aff512a8ffdb97754ac65523cfcf477f14941e
[INFO] running `"docker" "start" "-a" "d1e92bfbad8ff43866d10e5686aff512a8ffdb97754ac65523cfcf477f14941e"`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/aec/data/candidates.rs:42:81
[INFO] [stderr]    |
[INFO] [stderr] 42 | pub fn load(filename: &str, state: &str) -> Result<Vec<AECAllCandidateRow>, Box<Error>> {
[INFO] [stderr]    |                                                                                 ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/aec/data/formalpreferences.rs:108:89
[INFO] [stderr]     |
[INFO] [stderr] 108 | pub fn load(filename: &str, candidates: &CandidateData) -> Result<Vec<BallotState>, Box<Error>> {
[INFO] [stderr]     |                                                                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/engine.rs:304:80
[INFO] [stderr]     |
[INFO] [stderr] 304 |     fn find_tie_breaker(&self, candidates: &Vec<CandidateIndex>) -> Option<Vec<(CandidateIndex)>> {
[INFO] [stderr]     |                                                                                ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/aec/data/candidates.rs:42:81
[INFO] [stderr]    |
[INFO] [stderr] 42 | pub fn load(filename: &str, state: &str) -> Result<Vec<AECAllCandidateRow>, Box<Error>> {
[INFO] [stderr]    |                                                                                 ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/aec/data/formalpreferences.rs:108:89
[INFO] [stderr]     |
[INFO] [stderr] 108 | pub fn load(filename: &str, candidates: &CandidateData) -> Result<Vec<BallotState>, Box<Error>> {
[INFO] [stderr]     |                                                                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/engine.rs:304:80
[INFO] [stderr]     |
[INFO] [stderr] 304 |     fn find_tie_breaker(&self, candidates: &Vec<CandidateIndex>) -> Option<Vec<(CandidateIndex)>> {
[INFO] [stderr]     |                                                                                ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/aec/data/candidates.rs:42:81
[INFO] [stderr]    |
[INFO] [stderr] 42 | pub fn load(filename: &str, state: &str) -> Result<Vec<AECAllCandidateRow>, Box<Error>> {
[INFO] [stderr]    |                                                                                 ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/aec/data/formalpreferences.rs:108:89
[INFO] [stderr]     |
[INFO] [stderr] 108 | pub fn load(filename: &str, candidates: &CandidateData) -> Result<Vec<BallotState>, Box<Error>> {
[INFO] [stderr]     |                                                                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/engine.rs:304:80
[INFO] [stderr]     |
[INFO] [stderr] 304 |     fn find_tie_breaker(&self, candidates: &Vec<CandidateIndex>) -> Option<Vec<(CandidateIndex)>> {
[INFO] [stderr]     |                                                                                ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.33s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/dividebatur-dc15c99cc783dd47
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test aec::data::formalpreferences::tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/dividebatur-e2cf68668a361e62
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test aec::data::formalpreferences::tests::it_works ... ok
[INFO] [stderr]    Doc-tests dividebatur
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "d1e92bfbad8ff43866d10e5686aff512a8ffdb97754ac65523cfcf477f14941e"`
[INFO] running `"docker" "rm" "-f" "d1e92bfbad8ff43866d10e5686aff512a8ffdb97754ac65523cfcf477f14941e"`
[INFO] [stdout] d1e92bfbad8ff43866d10e5686aff512a8ffdb97754ac65523cfcf477f14941e