[INFO] crate my_crate_72a9eb54-5002-4540-a6e6-f2620f51b550 0.1.0 is already in cache
[INFO] extracting crate my_crate_72a9eb54-5002-4540-a6e6-f2620f51b550 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/my_crate_72a9eb54-5002-4540-a6e6-f2620f51b550/0.1.0
[INFO] extracting crate my_crate_72a9eb54-5002-4540-a6e6-f2620f51b550 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/my_crate_72a9eb54-5002-4540-a6e6-f2620f51b550/0.1.0
[INFO] validating manifest of my_crate_72a9eb54-5002-4540-a6e6-f2620f51b550-0.1.0 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 my_crate_72a9eb54-5002-4540-a6e6-f2620f51b550-0.1.0 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 my_crate_72a9eb54-5002-4540-a6e6-f2620f51b550-0.1.0
[INFO] finished frobbing my_crate_72a9eb54-5002-4540-a6e6-f2620f51b550-0.1.0
[INFO] frobbed toml for my_crate_72a9eb54-5002-4540-a6e6-f2620f51b550-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/my_crate_72a9eb54-5002-4540-a6e6-f2620f51b550/0.1.0/Cargo.toml
[INFO] started frobbing my_crate_72a9eb54-5002-4540-a6e6-f2620f51b550-0.1.0
[INFO] finished frobbing my_crate_72a9eb54-5002-4540-a6e6-f2620f51b550-0.1.0
[INFO] frobbed toml for my_crate_72a9eb54-5002-4540-a6e6-f2620f51b550-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/my_crate_72a9eb54-5002-4540-a6e6-f2620f51b550/0.1.0/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 my_crate_72a9eb54-5002-4540-a6e6-f2620f51b550-0.1.0 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/my_crate_72a9eb54-5002-4540-a6e6-f2620f51b550/0.1.0:/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] 13b9b8be2e6bf0edf9b840c31b4338689e9fcbc11c877b3ef3f78fef99769038
[INFO] running `"docker" "start" "-a" "13b9b8be2e6bf0edf9b840c31b4338689e9fcbc11c877b3ef3f78fef99769038"`
[INFO] [stderr]    Compiling my_crate_72a9eb54-5002-4540-a6e6-f2620f51b550 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `c1`
[INFO] [stderr]   --> src/lib.rs:44:16
[INFO] [stderr]    |
[INFO] [stderr] 44 |     pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor {
[INFO] [stderr]    |                ^^ help: consider prefixing with an underscore: `_c1`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c2`
[INFO] [stderr]   --> src/lib.rs:44:34
[INFO] [stderr]    |
[INFO] [stderr] 44 |     pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor {
[INFO] [stderr]    |                                  ^^ help: consider prefixing with an underscore: `_c2`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `"docker" "inspect" "13b9b8be2e6bf0edf9b840c31b4338689e9fcbc11c877b3ef3f78fef99769038"`
[INFO] running `"docker" "rm" "-f" "13b9b8be2e6bf0edf9b840c31b4338689e9fcbc11c877b3ef3f78fef99769038"`
[INFO] [stdout] 13b9b8be2e6bf0edf9b840c31b4338689e9fcbc11c877b3ef3f78fef99769038
[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/my_crate_72a9eb54-5002-4540-a6e6-f2620f51b550/0.1.0:/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] 682bc75968bef1b08c132c8b211df548d47e9d6a5d863726a9b7883f4ea5c9f1
[INFO] running `"docker" "start" "-a" "682bc75968bef1b08c132c8b211df548d47e9d6a5d863726a9b7883f4ea5c9f1"`
[INFO] [stderr]    Compiling my_crate_72a9eb54-5002-4540-a6e6-f2620f51b550 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `c1`
[INFO] [stderr]   --> src/lib.rs:44:16
[INFO] [stderr]    |
[INFO] [stderr] 44 |     pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor {
[INFO] [stderr]    |                ^^ help: consider prefixing with an underscore: `_c1`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c2`
[INFO] [stderr]   --> src/lib.rs:44:34
[INFO] [stderr]    |
[INFO] [stderr] 44 |     pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor {
[INFO] [stderr]    |                                  ^^ help: consider prefixing with an underscore: `_c2`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `"docker" "inspect" "682bc75968bef1b08c132c8b211df548d47e9d6a5d863726a9b7883f4ea5c9f1"`
[INFO] running `"docker" "rm" "-f" "682bc75968bef1b08c132c8b211df548d47e9d6a5d863726a9b7883f4ea5c9f1"`
[INFO] [stdout] 682bc75968bef1b08c132c8b211df548d47e9d6a5d863726a9b7883f4ea5c9f1
[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/my_crate_72a9eb54-5002-4540-a6e6-f2620f51b550/0.1.0:/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] e375c9f641674e3ee9b1aa2dea50eaf6d699695cb475b806939bdabe1d1aa63e
[INFO] running `"docker" "start" "-a" "e375c9f641674e3ee9b1aa2dea50eaf6d699695cb475b806939bdabe1d1aa63e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/my_crate_72a9eb54_5002_4540_a6e6_f2620f51b550-d757826f6230a5c2
[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 my_crate_72a9eb54-5002-4540-a6e6-f2620f51b550
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - add_one (line 10) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - add_one (line 10) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `my_crate`
[INFO] [stdout]  --> src/lib.rs:13:15
[INFO] [stdout]   |
[INFO] [stdout] 5 | assert_eq!(6, my_crate::add_one(5));
[INFO] [stdout]   |               ^^^^^^^^ use of undeclared type or module `my_crate`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - add_one (line 10)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `"docker" "inspect" "e375c9f641674e3ee9b1aa2dea50eaf6d699695cb475b806939bdabe1d1aa63e"`
[INFO] running `"docker" "rm" "-f" "e375c9f641674e3ee9b1aa2dea50eaf6d699695cb475b806939bdabe1d1aa63e"`
[INFO] [stdout] e375c9f641674e3ee9b1aa2dea50eaf6d699695cb475b806939bdabe1d1aa63e