[INFO] crate zz 0.1.0 is already in cache
[INFO] testing zz-0.1.0 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate zz 0.1.0 into work/builds/worker-0/source
[INFO] validating manifest of crates.io crate zz 0.1.0 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 zz 0.1.0
[INFO] finished tweaking crates.io crate zz 0.1.0
[INFO] tweaked toml for crates.io crate zz 0.1.0 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] 9891c9b3851bbe5b7f308faca63735b02cb492290bb616870680f53be8460fa2
[INFO] running `"docker" "start" "-a" "9891c9b3851bbe5b7f308faca63735b02cb492290bb616870680f53be8460fa2"`
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling pest v2.1.2
[INFO] [stderr]    Compiling xoroshiro128 v0.3.0
[INFO] [stderr]    Compiling toml v0.5.3
[INFO] [stderr]    Compiling fasthash v0.4.0
[INFO] [stderr]    Compiling pest_meta v2.1.2
[INFO] [stderr]    Compiling pest_generator v2.1.1
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling zz v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `artifact_namespace`
[INFO] [stderr]   --> src/resolver.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     artifact_namespace:         &Vec<String>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_artifact_namespace`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.94s
[INFO] running `"docker" "inspect" "9891c9b3851bbe5b7f308faca63735b02cb492290bb616870680f53be8460fa2"`
[INFO] running `"docker" "rm" "-f" "9891c9b3851bbe5b7f308faca63735b02cb492290bb616870680f53be8460fa2"`
[INFO] [stdout] 9891c9b3851bbe5b7f308faca63735b02cb492290bb616870680f53be8460fa2
[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] 1e096d57f957b7a18bf311bca4ae965dd922f7ab048cc915f97ce8f69893886c
[INFO] running `"docker" "start" "-a" "1e096d57f957b7a18bf311bca4ae965dd922f7ab048cc915f97ce8f69893886c"`
[INFO] [stderr]    Compiling zz v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `artifact_namespace`
[INFO] [stderr]   --> src/resolver.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     artifact_namespace:         &Vec<String>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_artifact_namespace`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.75s
[INFO] running `"docker" "inspect" "1e096d57f957b7a18bf311bca4ae965dd922f7ab048cc915f97ce8f69893886c"`
[INFO] running `"docker" "rm" "-f" "1e096d57f957b7a18bf311bca4ae965dd922f7ab048cc915f97ce8f69893886c"`
[INFO] [stdout] 1e096d57f957b7a18bf311bca4ae965dd922f7ab048cc915f97ce8f69893886c
[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] d76fe947b5bb216a33869e0f2516da5ae52ca057c859ca81da0da2123f84720f
[INFO] running `"docker" "start" "-a" "d76fe947b5bb216a33869e0f2516da5ae52ca057c859ca81da0da2123f84720f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.28s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/zz-34d02b874671f210
[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" "d76fe947b5bb216a33869e0f2516da5ae52ca057c859ca81da0da2123f84720f"`
[INFO] running `"docker" "rm" "-f" "d76fe947b5bb216a33869e0f2516da5ae52ca057c859ca81da0da2123f84720f"`
[INFO] [stdout] d76fe947b5bb216a33869e0f2516da5ae52ca057c859ca81da0da2123f84720f