[INFO] crate rustup-find 0.1.2 is already in cache
[INFO] extracting crate rustup-find 0.1.2 into work/ex/beta-1.37-6/sources/1.36.0/reg/rustup-find/0.1.2
[INFO] extracting crate rustup-find 0.1.2 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/rustup-find/0.1.2
[INFO] validating manifest of rustup-find-0.1.2 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 rustup-find-0.1.2 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 rustup-find-0.1.2
[INFO] finished frobbing rustup-find-0.1.2
[INFO] frobbed toml for rustup-find-0.1.2 written to work/ex/beta-1.37-6/sources/1.36.0/reg/rustup-find/0.1.2/Cargo.toml
[INFO] started frobbing rustup-find-0.1.2
[INFO] finished frobbing rustup-find-0.1.2
[INFO] frobbed toml for rustup-find-0.1.2 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/rustup-find/0.1.2/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] [stderr]     Blocking waiting for file lock on package cache lock
[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 rustup-find-0.1.2 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-7/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/rustup-find/0.1.2:/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] 7ef1db90e3d6821bad724b6b71c47a68f7d5f462bb3e808f293cbbf53ae01543
[INFO] running `"docker" "start" "-a" "7ef1db90e3d6821bad724b6b71c47a68f7d5f462bb3e808f293cbbf53ae01543"`
[INFO] [stderr]    Compiling rustup-find v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]  --> src/main.rs:1:9
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![deny(warnings)]
[INFO] [stderr]   |         ^^^^^^^^
[INFO] [stderr]   = note: #[warn(unused_imports)] implied by #[warn(warnings)]
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]    --> src/main.rs:171:21
[INFO] [stderr]     |
[INFO] [stderr] 171 |                     std::io::stderr().write_all(&result.stderr).is_ok();
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 196 |             let output = rustup!(output, "toolchain", "list");
[INFO] [stderr]     |                          ------------------------------------ in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]    --> src/main.rs:1:9
[INFO] [stderr]     |
[INFO] [stderr] 1   | #![deny(warnings)]
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     = note: #[warn(unused_must_use)] implied by #[warn(warnings)]
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]    --> src/main.rs:171:21
[INFO] [stderr]     |
[INFO] [stderr] 171 |                     std::io::stderr().write_all(&result.stderr).is_ok();
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 212 |         let output = rustup!(output, "component", "list", "--toolchain", &toolchain);
[INFO] [stderr]     |                      --------------------------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.98s
[INFO] running `"docker" "inspect" "7ef1db90e3d6821bad724b6b71c47a68f7d5f462bb3e808f293cbbf53ae01543"`
[INFO] running `"docker" "rm" "-f" "7ef1db90e3d6821bad724b6b71c47a68f7d5f462bb3e808f293cbbf53ae01543"`
[INFO] [stdout] 7ef1db90e3d6821bad724b6b71c47a68f7d5f462bb3e808f293cbbf53ae01543
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/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/rustup-find/0.1.2:/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] 8977ade2cc82ac30ed9f303773929a6b3cfb2c9f5707079f0a04d32eabc962a8
[INFO] running `"docker" "start" "-a" "8977ade2cc82ac30ed9f303773929a6b3cfb2c9f5707079f0a04d32eabc962a8"`
[INFO] [stderr]    Compiling rustup-find v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]  --> src/main.rs:1:9
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![deny(warnings)]
[INFO] [stderr]   |         ^^^^^^^^
[INFO] [stderr]   = note: #[warn(unused_imports)] implied by #[warn(warnings)]
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]    --> src/main.rs:171:21
[INFO] [stderr]     |
[INFO] [stderr] 171 |                     std::io::stderr().write_all(&result.stderr).is_ok();
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 196 |             let output = rustup!(output, "toolchain", "list");
[INFO] [stderr]     |                          ------------------------------------ in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]    --> src/main.rs:1:9
[INFO] [stderr]     |
[INFO] [stderr] 1   | #![deny(warnings)]
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     = note: #[warn(unused_must_use)] implied by #[warn(warnings)]
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]    --> src/main.rs:171:21
[INFO] [stderr]     |
[INFO] [stderr] 171 |                     std::io::stderr().write_all(&result.stderr).is_ok();
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 212 |         let output = rustup!(output, "component", "list", "--toolchain", &toolchain);
[INFO] [stderr]     |                      --------------------------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.30s
[INFO] running `"docker" "inspect" "8977ade2cc82ac30ed9f303773929a6b3cfb2c9f5707079f0a04d32eabc962a8"`
[INFO] running `"docker" "rm" "-f" "8977ade2cc82ac30ed9f303773929a6b3cfb2c9f5707079f0a04d32eabc962a8"`
[INFO] [stdout] 8977ade2cc82ac30ed9f303773929a6b3cfb2c9f5707079f0a04d32eabc962a8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/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/rustup-find/0.1.2:/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] 21cf2db2345bc40b8f1ebb59d7650ee612044b01fabac4fd1b0ab3a1c5b06e00
[INFO] running `"docker" "start" "-a" "21cf2db2345bc40b8f1ebb59d7650ee612044b01fabac4fd1b0ab3a1c5b06e00"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rustup_find-261a34ca9d66b7b7
[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" "21cf2db2345bc40b8f1ebb59d7650ee612044b01fabac4fd1b0ab3a1c5b06e00"`
[INFO] running `"docker" "rm" "-f" "21cf2db2345bc40b8f1ebb59d7650ee612044b01fabac4fd1b0ab3a1c5b06e00"`
[INFO] [stdout] 21cf2db2345bc40b8f1ebb59d7650ee612044b01fabac4fd1b0ab3a1c5b06e00