[INFO] crate circular 0.3.0 is already in cache
[INFO] testing circular-0.3.0 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate circular 0.3.0 into work/builds/worker-0/source
[INFO] validating manifest of crates.io crate circular 0.3.0 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 circular 0.3.0
[INFO] finished tweaking crates.io crate circular 0.3.0
[INFO] tweaked toml for crates.io crate circular 0.3.0 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] ea08380c2d235a88da20ce4d3b23786330123ee2fa4efe5d4901aadd1278ee57
[INFO] running `"docker" "start" "-a" "ea08380c2d235a88da20ce4d3b23786330123ee2fa4efe5d4901aadd1278ee57"`
[INFO] [stderr]    Compiling circular v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.72s
[INFO] running `"docker" "inspect" "ea08380c2d235a88da20ce4d3b23786330123ee2fa4efe5d4901aadd1278ee57"`
[INFO] running `"docker" "rm" "-f" "ea08380c2d235a88da20ce4d3b23786330123ee2fa4efe5d4901aadd1278ee57"`
[INFO] [stdout] ea08380c2d235a88da20ce4d3b23786330123ee2fa4efe5d4901aadd1278ee57
[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] a76e2a50dc1838966ddf41704f1742e17e51850acbb451db672598f900ca63e9
[INFO] running `"docker" "start" "-a" "a76e2a50dc1838966ddf41704f1742e17e51850acbb451db672598f900ca63e9"`
[INFO] [stderr]    Compiling circular v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::str`
[INFO] [stderr]    --> src/lib.rs:397:7
[INFO] [stderr]     |
[INFO] [stderr] 397 |   use std::str;
[INFO] [stderr]     |       ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `"docker" "inspect" "a76e2a50dc1838966ddf41704f1742e17e51850acbb451db672598f900ca63e9"`
[INFO] running `"docker" "rm" "-f" "a76e2a50dc1838966ddf41704f1742e17e51850acbb451db672598f900ca63e9"`
[INFO] [stdout] a76e2a50dc1838966ddf41704f1742e17e51850acbb451db672598f900ca63e9
[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] 8bb6499f27dfb6fa573bd16ad308c6470a578e9fa57b084800221b66001e2f99
[INFO] running `"docker" "start" "-a" "8bb6499f27dfb6fa573bd16ad308c6470a578e9fa57b084800221b66001e2f99"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/circular-a12f71932b547288
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::consume_without_shift ... ok
[INFO] [stdout] test tests::delete ... ok
[INFO] [stdout] test tests::replace ... ok
[INFO] [stdout] test tests::fill_and_consume ... ok
[INFO] [stdout] test tests::set_position ... 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 circular
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - Buffer::position (line 173) ... ok
[INFO] [stdout] test src/lib.rs -  (line 15) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "8bb6499f27dfb6fa573bd16ad308c6470a578e9fa57b084800221b66001e2f99"`
[INFO] running `"docker" "rm" "-f" "8bb6499f27dfb6fa573bd16ad308c6470a578e9fa57b084800221b66001e2f99"`
[INFO] [stdout] 8bb6499f27dfb6fa573bd16ad308c6470a578e9fa57b084800221b66001e2f99