[INFO] crate rcir 0.3.0 is already in cache
[INFO] testing rcir-0.3.0 against 1.38.0 for beta-1.39-1
[INFO] extracting crate rcir 0.3.0 into work/builds/worker-10/source
[INFO] validating manifest of crates.io crate rcir 0.3.0 on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rcir 0.3.0
[INFO] finished tweaking crates.io crate rcir 0.3.0
[INFO] tweaked toml for crates.io crate rcir 0.3.0 written to work/builds/worker-10/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] cd2cde09a0399d2bfdb0ef660c3dac10c6148efd66d19e5c0a0c400792db2276
[INFO] running `"docker" "start" "-a" "cd2cde09a0399d2bfdb0ef660c3dac10c6148efd66d19e5c0a0c400792db2276"`
[INFO] [stderr]    Compiling rcir v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:130:32
[INFO] [stderr]     |
[INFO] [stderr] 130 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lib.rs:26:25
[INFO] [stderr]    |
[INFO] [stderr] 26 |                     let mut vc = round_votes.entry(vote).or_insert(0);
[INFO] [stderr]    |                         ----^^
[INFO] [stderr]    |                         |
[INFO] [stderr]    |                         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `"docker" "inspect" "cd2cde09a0399d2bfdb0ef660c3dac10c6148efd66d19e5c0a0c400792db2276"`
[INFO] running `"docker" "rm" "-f" "cd2cde09a0399d2bfdb0ef660c3dac10c6148efd66d19e5c0a0c400792db2276"`
[INFO] [stdout] cd2cde09a0399d2bfdb0ef660c3dac10c6148efd66d19e5c0a0c400792db2276
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 1cdd9f184f14846c3bc9013b0a5b0f86d46c5494d764fdab4bd9f27f8c93cff3
[INFO] running `"docker" "start" "-a" "1cdd9f184f14846c3bc9013b0a5b0f86d46c5494d764fdab4bd9f27f8c93cff3"`
[INFO] [stderr]    Compiling rcir v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:130:32
[INFO] [stderr]     |
[INFO] [stderr] 130 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lib.rs:26:25
[INFO] [stderr]    |
[INFO] [stderr] 26 |                     let mut vc = round_votes.entry(vote).or_insert(0);
[INFO] [stderr]    |                         ----^^
[INFO] [stderr]    |                         |
[INFO] [stderr]    |                         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `"docker" "inspect" "1cdd9f184f14846c3bc9013b0a5b0f86d46c5494d764fdab4bd9f27f8c93cff3"`
[INFO] running `"docker" "rm" "-f" "1cdd9f184f14846c3bc9013b0a5b0f86d46c5494d764fdab4bd9f27f8c93cff3"`
[INFO] [stdout] 1cdd9f184f14846c3bc9013b0a5b0f86d46c5494d764fdab4bd9f27f8c93cff3
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] d7b13a06b4d48b6f63194337e8ad6183407663f1d783e478f98e7634be5eb9c7
[INFO] running `"docker" "start" "-a" "d7b13a06b4d48b6f63194337e8ad6183407663f1d783e478f98e7634be5eb9c7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rcir-42a70ff961df6bcf
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::tie ... ok
[INFO] [stdout] test tests::basic_run ... ok
[INFO] [stdout] test tests::minority_majority ... ok
[INFO] [stdout] test tests::tie2 ... ok
[INFO] [stdout] test tests::voters_no_votes ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rcir
[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" "d7b13a06b4d48b6f63194337e8ad6183407663f1d783e478f98e7634be5eb9c7"`
[INFO] running `"docker" "rm" "-f" "d7b13a06b4d48b6f63194337e8ad6183407663f1d783e478f98e7634be5eb9c7"`
[INFO] [stdout] d7b13a06b4d48b6f63194337e8ad6183407663f1d783e478f98e7634be5eb9c7