[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 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/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] a73724200deae55e15efd9b08e333cecfea6ced654e58e4aefc9776350bdcdb3
[INFO] running `"docker" "start" "-a" "a73724200deae55e15efd9b08e333cecfea6ced654e58e4aefc9776350bdcdb3"`
[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 1.14s
[INFO] running `"docker" "inspect" "a73724200deae55e15efd9b08e333cecfea6ced654e58e4aefc9776350bdcdb3"`
[INFO] running `"docker" "rm" "-f" "a73724200deae55e15efd9b08e333cecfea6ced654e58e4aefc9776350bdcdb3"`
[INFO] [stdout] a73724200deae55e15efd9b08e333cecfea6ced654e58e4aefc9776350bdcdb3
[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/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] e86d886631c8c0a9b3c98e048a47d2fea52a77bcafbca41f015a0c08e59c63e0
[INFO] running `"docker" "start" "-a" "e86d886631c8c0a9b3c98e048a47d2fea52a77bcafbca41f015a0c08e59c63e0"`
[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 1.63s
[INFO] running `"docker" "inspect" "e86d886631c8c0a9b3c98e048a47d2fea52a77bcafbca41f015a0c08e59c63e0"`
[INFO] running `"docker" "rm" "-f" "e86d886631c8c0a9b3c98e048a47d2fea52a77bcafbca41f015a0c08e59c63e0"`
[INFO] [stdout] e86d886631c8c0a9b3c98e048a47d2fea52a77bcafbca41f015a0c08e59c63e0
[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/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 1ea87c31aa5208f6b8c23c19a8358abb66e347f9836cd3b7d4a2b0718ce5f864
[INFO] running `"docker" "start" "-a" "1ea87c31aa5208f6b8c23c19a8358abb66e347f9836cd3b7d4a2b0718ce5f864"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/clap_cargo-8154565e8e749a1a
[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" "1ea87c31aa5208f6b8c23c19a8358abb66e347f9836cd3b7d4a2b0718ce5f864"`
[INFO] running `"docker" "rm" "-f" "1ea87c31aa5208f6b8c23c19a8358abb66e347f9836cd3b7d4a2b0718ce5f864"`
[INFO] [stdout] 1ea87c31aa5208f6b8c23c19a8358abb66e347f9836cd3b7d4a2b0718ce5f864