[INFO] crate dyplugin 0.2.0 is already in cache
[INFO] extracting crate dyplugin 0.2.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/dyplugin/0.2.0
[INFO] extracting crate dyplugin 0.2.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/dyplugin/0.2.0
[INFO] validating manifest of dyplugin-0.2.0 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of dyplugin-0.2.0 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing dyplugin-0.2.0
[INFO] finished frobbing dyplugin-0.2.0
[INFO] frobbed toml for dyplugin-0.2.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/dyplugin/0.2.0/Cargo.toml
[INFO] started frobbing dyplugin-0.2.0
[INFO] finished frobbing dyplugin-0.2.0
[INFO] frobbed toml for dyplugin-0.2.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/dyplugin/0.2.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing dyplugin-0.2.0 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/dyplugin/0.2.0:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] d214309cec50669fa0994adc98b0b922464de7c1273eacea154a685c1566dc72
[INFO] running `"docker" "start" "-a" "d214309cec50669fa0994adc98b0b922464de7c1273eacea154a685c1566dc72"`
[INFO] [stderr]    Compiling dyplugin v0.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `"docker" "inspect" "d214309cec50669fa0994adc98b0b922464de7c1273eacea154a685c1566dc72"`
[INFO] running `"docker" "rm" "-f" "d214309cec50669fa0994adc98b0b922464de7c1273eacea154a685c1566dc72"`
[INFO] [stdout] d214309cec50669fa0994adc98b0b922464de7c1273eacea154a685c1566dc72
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/dyplugin/0.2.0:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 583f35bab2fd71cb2950f4fc1bdb8f27757ee59b346d3a0e3a36d5b5ec4d2a07
[INFO] running `"docker" "start" "-a" "583f35bab2fd71cb2950f4fc1bdb8f27757ee59b346d3a0e3a36d5b5ec4d2a07"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling dyplugin v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `load`
[INFO] [stderr]   --> src/lib.rs:49:4
[INFO] [stderr]    |
[INFO] [stderr] 49 |               pub fn load<'a>(&mut self, lib: &str) -> ::std::io::Result<()> {
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 96 |           plugin_registry!(
[INFO] [stderr]    |  _________-
[INFO] [stderr] 97 | |             fn is_empty(x: &str) -> bool;
[INFO] [stderr] 98 | |         );
[INFO] [stderr]    | |__________- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `unload`
[INFO] [stderr]   --> src/lib.rs:65:4
[INFO] [stderr]    |
[INFO] [stderr] 65 |               pub fn unload(&mut self, name: &str) {
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 96 |           plugin_registry!(
[INFO] [stderr]    |  _________-
[INFO] [stderr] 97 | |             fn is_empty(x: &str) -> bool;
[INFO] [stderr] 98 | |         );
[INFO] [stderr]    | |__________- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `"docker" "inspect" "583f35bab2fd71cb2950f4fc1bdb8f27757ee59b346d3a0e3a36d5b5ec4d2a07"`
[INFO] running `"docker" "rm" "-f" "583f35bab2fd71cb2950f4fc1bdb8f27757ee59b346d3a0e3a36d5b5ec4d2a07"`
[INFO] [stdout] 583f35bab2fd71cb2950f4fc1bdb8f27757ee59b346d3a0e3a36d5b5ec4d2a07
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/dyplugin/0.2.0:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 1898e1ee463ae35467f894ee1e4e3ebdb00a2f0735710585053c59a53ceefd2b
[INFO] running `"docker" "start" "-a" "1898e1ee463ae35467f894ee1e4e3ebdb00a2f0735710585053c59a53ceefd2b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/dyplugin-289548798ea4e9ce
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test::types ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests dyplugin
[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" "1898e1ee463ae35467f894ee1e4e3ebdb00a2f0735710585053c59a53ceefd2b"`
[INFO] running `"docker" "rm" "-f" "1898e1ee463ae35467f894ee1e4e3ebdb00a2f0735710585053c59a53ceefd2b"`
[INFO] [stdout] 1898e1ee463ae35467f894ee1e4e3ebdb00a2f0735710585053c59a53ceefd2b