[INFO] crate clap-cargo 0.1.4 is already in cache
[INFO] extracting crate clap-cargo 0.1.4 into work/ex/beta-1.37-6/sources/1.36.0/reg/clap-cargo/0.1.4
[INFO] extracting crate clap-cargo 0.1.4 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/clap-cargo/0.1.4
[INFO] validating manifest of clap-cargo-0.1.4 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 clap-cargo-0.1.4 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 clap-cargo-0.1.4
[INFO] finished frobbing clap-cargo-0.1.4
[INFO] frobbed toml for clap-cargo-0.1.4 written to work/ex/beta-1.37-6/sources/1.36.0/reg/clap-cargo/0.1.4/Cargo.toml
[INFO] started frobbing clap-cargo-0.1.4
[INFO] finished frobbing clap-cargo-0.1.4
[INFO] frobbed toml for clap-cargo-0.1.4 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/clap-cargo/0.1.4/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing clap-cargo-0.1.4 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/clap-cargo/0.1.4:/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 2ce3e2fb6ddc74f1d3d3f49512add5c4369bccb22168d27b6e81d37a59c2e03b
[INFO] running `"docker" "start" "-a" "2ce3e2fb6ddc74f1d3d3f49512add5c4369bccb22168d27b6e81d37a59c2e03b"`
[INFO] [stderr]    Compiling doc-comment v0.2.4
[INFO] [stderr]    Compiling structopt v0.2.18
[INFO] [stderr]    Compiling clap-cargo v0.1.4 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::collections`
[INFO] [stderr]  --> src/workspace.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::collections;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `"docker" "inspect" "2ce3e2fb6ddc74f1d3d3f49512add5c4369bccb22168d27b6e81d37a59c2e03b"`
[INFO] running `"docker" "rm" "-f" "2ce3e2fb6ddc74f1d3d3f49512add5c4369bccb22168d27b6e81d37a59c2e03b"`
[INFO] [stdout] 2ce3e2fb6ddc74f1d3d3f49512add5c4369bccb22168d27b6e81d37a59c2e03b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/clap-cargo/0.1.4:/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 46bd9499075b5e30a00a46af4ff8d046cba74da9936fe608060add03a3f8ce57
[INFO] running `"docker" "start" "-a" "46bd9499075b5e30a00a46af4ff8d046cba74da9936fe608060add03a3f8ce57"`
[INFO] [stderr]    Compiling clap-cargo v0.1.4 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]   --> src/features.rs:41:9
[INFO] [stderr]    |
[INFO] [stderr] 41 |     use super::*;
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]   --> src/manifest.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 27 |     use super::*;
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections`
[INFO] [stderr]  --> src/workspace.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::collections;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]   --> src/workspace.rs:64:9
[INFO] [stderr]    |
[INFO] [stderr] 64 |     use super::*;
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.71s
[INFO] running `"docker" "inspect" "46bd9499075b5e30a00a46af4ff8d046cba74da9936fe608060add03a3f8ce57"`
[INFO] running `"docker" "rm" "-f" "46bd9499075b5e30a00a46af4ff8d046cba74da9936fe608060add03a3f8ce57"`
[INFO] [stdout] 46bd9499075b5e30a00a46af4ff8d046cba74da9936fe608060add03a3f8ce57
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/clap-cargo/0.1.4:/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 96c440cf02d9e381a7c2c0600c6391cc3053b35d75cdce744ac840e5ec139b69
[INFO] running `"docker" "start" "-a" "96c440cf02d9e381a7c2c0600c6391cc3053b35d75cdce744ac840e5ec139b69"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/clap_cargo-7a98c40ce72f545a
[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] [stderr]    Doc-tests clap-cargo
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs -  (line 14) ... ok
[INFO] [stdout] test <::doc_comment::doc_comment macros> -  (line 22) ... 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" "96c440cf02d9e381a7c2c0600c6391cc3053b35d75cdce744ac840e5ec139b69"`
[INFO] running `"docker" "rm" "-f" "96c440cf02d9e381a7c2c0600c6391cc3053b35d75cdce744ac840e5ec139b69"`
[INFO] [stdout] 96c440cf02d9e381a7c2c0600c6391cc3053b35d75cdce744ac840e5ec139b69