[INFO] crate plugin-test-main 0.1.1 is already in cache
[INFO] extracting crate plugin-test-main 0.1.1 into work/ex/beta-1.37-6/sources/1.36.0/reg/plugin-test-main/0.1.1
[INFO] extracting crate plugin-test-main 0.1.1 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/plugin-test-main/0.1.1
[INFO] validating manifest of plugin-test-main-0.1.1 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of plugin-test-main-0.1.1 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing plugin-test-main-0.1.1
[INFO] finished frobbing plugin-test-main-0.1.1
[INFO] frobbed toml for plugin-test-main-0.1.1 written to work/ex/beta-1.37-6/sources/1.36.0/reg/plugin-test-main/0.1.1/Cargo.toml
[INFO] started frobbing plugin-test-main-0.1.1
[INFO] finished frobbing plugin-test-main-0.1.1
[INFO] frobbed toml for plugin-test-main-0.1.1 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/plugin-test-main/0.1.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing plugin-test-main-0.1.1 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/plugin-test-main/0.1.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] a89ea1491019f520fc626f4566010e22a96ccced4fa1422e3dbaf34d2f987e27
[INFO] running `"docker" "start" "-a" "a89ea1491019f520fc626f4566010e22a96ccced4fa1422e3dbaf34d2f987e27"`
[INFO] [stderr]    Compiling plugin-test-api v0.1.2
[INFO] [stderr]    Compiling plugin-test-main v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]    Compiling plugin-test-plugins v0.1.2
[INFO] [stderr] warning: unused variable: `dest_path`
[INFO] [stderr]  --> build.rs:6:7
[INFO] [stderr]   |
[INFO] [stderr] 6 |   let dest_path = Path::new(&out_dir).join("english.rs");
[INFO] [stderr]   |       ^^^^^^^^^ help: consider prefixing with an underscore: `_dest_path`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `plugin_api::SayHello`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use plugin_api::SayHello;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.64s
[INFO] running `"docker" "inspect" "a89ea1491019f520fc626f4566010e22a96ccced4fa1422e3dbaf34d2f987e27"`
[INFO] running `"docker" "rm" "-f" "a89ea1491019f520fc626f4566010e22a96ccced4fa1422e3dbaf34d2f987e27"`
[INFO] [stdout] a89ea1491019f520fc626f4566010e22a96ccced4fa1422e3dbaf34d2f987e27
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/plugin-test-main/0.1.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 8fa1b926ccc02b7a8dbb7883404a97bf8c3aef7ab634d79b03bbe58e1ca5b76a
[INFO] running `"docker" "start" "-a" "8fa1b926ccc02b7a8dbb7883404a97bf8c3aef7ab634d79b03bbe58e1ca5b76a"`
[INFO] [stderr]    Compiling plugin-test-main v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `plugin_api::SayHello`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use plugin_api::SayHello;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `"docker" "inspect" "8fa1b926ccc02b7a8dbb7883404a97bf8c3aef7ab634d79b03bbe58e1ca5b76a"`
[INFO] running `"docker" "rm" "-f" "8fa1b926ccc02b7a8dbb7883404a97bf8c3aef7ab634d79b03bbe58e1ca5b76a"`
[INFO] [stdout] 8fa1b926ccc02b7a8dbb7883404a97bf8c3aef7ab634d79b03bbe58e1ca5b76a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/plugin-test-main/0.1.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 02c144d007dd5e90f02cb3c8b4cb334b6edfa7159093b6bf075915200a24ac0e
[INFO] running `"docker" "start" "-a" "02c144d007dd5e90f02cb3c8b4cb334b6edfa7159093b6bf075915200a24ac0e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/plugin_test_main-83dceda71b1b5d54
[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" "02c144d007dd5e90f02cb3c8b4cb334b6edfa7159093b6bf075915200a24ac0e"`
[INFO] running `"docker" "rm" "-f" "02c144d007dd5e90f02cb3c8b4cb334b6edfa7159093b6bf075915200a24ac0e"`
[INFO] [stdout] 02c144d007dd5e90f02cb3c8b4cb334b6edfa7159093b6bf075915200a24ac0e