[INFO] crate disjoint-sets 0.4.2 is already in cache
[INFO] testing disjoint-sets-0.4.2 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate disjoint-sets 0.4.2 into work/builds/worker-0/source
[INFO] validating manifest of crates.io crate disjoint-sets 0.4.2 on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate disjoint-sets 0.4.2
[INFO] finished tweaking crates.io crate disjoint-sets 0.4.2
[INFO] tweaked toml for crates.io crate disjoint-sets 0.4.2 written to work/builds/worker-0/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/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" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 9668bc0d0e5c1e1c06524db5c314e7cb28118857a1f4160679a126f3dc9e4a5a
[INFO] running `"docker" "start" "-a" "9668bc0d0e5c1e1c06524db5c314e7cb28118857a1f4160679a126f3dc9e4a5a"`
[INFO] [stderr]    Compiling disjoint-sets v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `"docker" "inspect" "9668bc0d0e5c1e1c06524db5c314e7cb28118857a1f4160679a126f3dc9e4a5a"`
[INFO] running `"docker" "rm" "-f" "9668bc0d0e5c1e1c06524db5c314e7cb28118857a1f4160679a126f3dc9e4a5a"`
[INFO] [stdout] 9668bc0d0e5c1e1c06524db5c314e7cb28118857a1f4160679a126f3dc9e4a5a
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/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" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 6768d328255a4e1646743667183de9af9edbe70c5b76279f1189e71055774a6b
[INFO] running `"docker" "start" "-a" "6768d328255a4e1646743667183de9af9edbe70c5b76279f1189e71055774a6b"`
[INFO] [stderr]    Compiling disjoint-sets v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/tree.rs:668:17
[INFO] [stderr]     |
[INFO] [stderr] 668 |                 try!(self.unify(v1, v2));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.64s
[INFO] running `"docker" "inspect" "6768d328255a4e1646743667183de9af9edbe70c5b76279f1189e71055774a6b"`
[INFO] running `"docker" "rm" "-f" "6768d328255a4e1646743667183de9af9edbe70c5b76279f1189e71055774a6b"`
[INFO] [stdout] 6768d328255a4e1646743667183de9af9edbe70c5b76279f1189e71055774a6b
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/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" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] a7b0d85524c405f55347c388d3f44b774acf34811fa49db04a094e362f9f5b0f
[INFO] running `"docker" "start" "-a" "a7b0d85524c405f55347c388d3f44b774acf34811fa49db04a094e362f9f5b0f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/disjoint_sets-3e575f7619df9907
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test array::tests::len ... ok
[INFO] [stdout] test array::tests::union ... ok
[INFO] [stdout] test async::tests::changed ... ok
[INFO] [stdout] test array::tests::unions ... ok
[INFO] [stdout] test async::tests::len ... ok
[INFO] [stdout] test async::tests::to_vec ... ok
[INFO] [stdout] test async::tests::union ... ok
[INFO] [stdout] test async::tests::unions ... ok
[INFO] [stdout] test tree::tests::unify_symbols ... ok
[INFO] [stdout] test tree::tests::unify_flat ... ok
[INFO] [stdout] test tree::tests::unify_vars ... ok
[INFO] [stdout] test tree::tests::union ... ok
[INFO] [stdout] test tree::tests::unify_deeper ... ok
[INFO] [stdout] test tree::tests::unions ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests disjoint-sets
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs -  (line 27) ... ok
[INFO] [stdout] test src/lib.rs -  (line 37) ... ok
[INFO] [stdout] test src/tree.rs - tree::UnionFindNode (line 25) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "a7b0d85524c405f55347c388d3f44b774acf34811fa49db04a094e362f9f5b0f"`
[INFO] running `"docker" "rm" "-f" "a7b0d85524c405f55347c388d3f44b774acf34811fa49db04a094e362f9f5b0f"`
[INFO] [stdout] a7b0d85524c405f55347c388d3f44b774acf34811fa49db04a094e362f9f5b0f