[INFO] crate pipeline 0.5.0 is already in cache
[INFO] extracting crate pipeline 0.5.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/pipeline/0.5.0
[INFO] extracting crate pipeline 0.5.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/pipeline/0.5.0
[INFO] validating manifest of pipeline-0.5.0 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 pipeline-0.5.0 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 pipeline-0.5.0
[INFO] finished frobbing pipeline-0.5.0
[INFO] frobbed toml for pipeline-0.5.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/pipeline/0.5.0/Cargo.toml
[INFO] started frobbing pipeline-0.5.0
[INFO] finished frobbing pipeline-0.5.0
[INFO] frobbed toml for pipeline-0.5.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/pipeline/0.5.0/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 pipeline-0.5.0 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/pipeline/0.5.0:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 026eb0471843652ddd1f432699e03379417a85a6ec6bb4358b0454aec85b8420
[INFO] running `"docker" "start" "-a" "026eb0471843652ddd1f432699e03379417a85a6ec6bb4358b0454aec85b8420"`
[INFO] [stderr]    Compiling pipeline v0.5.0 (/opt/crater/workdir)
[INFO] [stderr] warning: missing documentation for macro
[INFO] [stderr]  --> src/lib.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | macro_rules! pipe_fun {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]  --> src/lib.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 | #![deny(missing_docs)]
[INFO] [stderr]   |         ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for macro
[INFO] [stderr]   --> src/lib.rs:31:1
[INFO] [stderr]    |
[INFO] [stderr] 31 | macro_rules! pipe {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for macro
[INFO] [stderr]   --> src/lib.rs:44:1
[INFO] [stderr]    |
[INFO] [stderr] 44 | macro_rules! pipe_res {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for macro
[INFO] [stderr]   --> src/lib.rs:60:1
[INFO] [stderr]    |
[INFO] [stderr] 60 | macro_rules! pipe_opt {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `"docker" "inspect" "026eb0471843652ddd1f432699e03379417a85a6ec6bb4358b0454aec85b8420"`
[INFO] running `"docker" "rm" "-f" "026eb0471843652ddd1f432699e03379417a85a6ec6bb4358b0454aec85b8420"`
[INFO] [stdout] 026eb0471843652ddd1f432699e03379417a85a6ec6bb4358b0454aec85b8420
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/pipeline/0.5.0:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 2bef1df4e5d8f01e34b773503f3b3f2903b1063ec42c623cbcb6abcaefa4eb04
[INFO] running `"docker" "start" "-a" "2bef1df4e5d8f01e34b773503f3b3f2903b1063ec42c623cbcb6abcaefa4eb04"`
[INFO] [stderr]    Compiling pipeline v0.5.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/lib.rs:249:38
[INFO] [stderr]     |
[INFO] [stderr] 249 |         assert_eq!(ret, times(times2(("abcd".len() as u32)), 100, 10).to_string());
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]    --> src/lib.rs:6:9
[INFO] [stderr]     |
[INFO] [stderr] 6   | #![deny(warnings)]
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     = note: `#[warn(unused_parens)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for macro
[INFO] [stderr]  --> src/lib.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | macro_rules! pipe_fun {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]  --> src/lib.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 | #![deny(missing_docs)]
[INFO] [stderr]   |         ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for macro
[INFO] [stderr]   --> src/lib.rs:31:1
[INFO] [stderr]    |
[INFO] [stderr] 31 | macro_rules! pipe {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for macro
[INFO] [stderr]   --> src/lib.rs:44:1
[INFO] [stderr]    |
[INFO] [stderr] 44 | macro_rules! pipe_res {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for macro
[INFO] [stderr]   --> src/lib.rs:60:1
[INFO] [stderr]    |
[INFO] [stderr] 60 | macro_rules! pipe_opt {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `"docker" "inspect" "2bef1df4e5d8f01e34b773503f3b3f2903b1063ec42c623cbcb6abcaefa4eb04"`
[INFO] running `"docker" "rm" "-f" "2bef1df4e5d8f01e34b773503f3b3f2903b1063ec42c623cbcb6abcaefa4eb04"`
[INFO] [stdout] 2bef1df4e5d8f01e34b773503f3b3f2903b1063ec42c623cbcb6abcaefa4eb04
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/pipeline/0.5.0:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 132e48538b2a5fa5cd2ae3e3c84305c0bbfa675e574440b4f2f7cec2fce584ec
[INFO] running `"docker" "start" "-a" "132e48538b2a5fa5cd2ae3e3c84305c0bbfa675e574440b4f2f7cec2fce584ec"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/pipeline-be544d4ecd5c7ca4
[INFO] [stderr]    Doc-tests pipeline
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test test_pipe_opt::accepts_unwrap ... ok
[INFO] [stdout] test test_pipe::test_int ... ok
[INFO] [stdout] test test_pipe_opt::accepts_options ... ok
[INFO] [stdout] test test_pipe::test_string ... ok
[INFO] [stdout] test test_pipe_opt::ends_with_none ... ok
[INFO] [stdout] test test_pipe_res::exits_early ... ok
[INFO] [stdout] test test_pipe_res::chains_result_values ... ok
[INFO] [stdout] test test_pipe_res::accepts_unwrap ... ok
[INFO] [stdout] test test_pipe_opt::goes_until_some ... ok
[INFO] [stdout] test test_pipe_opt::exits_early ... ok
[INFO] [stdout] test test_pipe_res::accepts_results ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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" "132e48538b2a5fa5cd2ae3e3c84305c0bbfa675e574440b4f2f7cec2fce584ec"`
[INFO] running `"docker" "rm" "-f" "132e48538b2a5fa5cd2ae3e3c84305c0bbfa675e574440b4f2f7cec2fce584ec"`
[INFO] [stdout] 132e48538b2a5fa5cd2ae3e3c84305c0bbfa675e574440b4f2f7cec2fce584ec