[INFO] crate c_string 0.7.1-obsolete is already in cache
[INFO] testing c_string-0.7.1-obsolete against 1.38.0 for beta-1.39-1
[INFO] extracting crate c_string 0.7.1-obsolete into work/builds/worker-5/source
[INFO] validating manifest of crates.io crate c_string 0.7.1-obsolete on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate c_string 0.7.1-obsolete
[INFO] finished tweaking crates.io crate c_string 0.7.1-obsolete
[INFO] tweaked toml for crates.io crate c_string 0.7.1-obsolete written to work/builds/worker-5/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 96804acc628eb2c26cc7f55f5fcef26835bc1548360a9b5b340bfbbdeab25abf
[INFO] running `"docker" "start" "-a" "96804acc628eb2c26cc7f55f5fcef26835bc1548360a9b5b340bfbbdeab25abf"`
[INFO] [stderr]    Compiling c_string v0.7.1-obsolete (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `"docker" "inspect" "96804acc628eb2c26cc7f55f5fcef26835bc1548360a9b5b340bfbbdeab25abf"`
[INFO] running `"docker" "rm" "-f" "96804acc628eb2c26cc7f55f5fcef26835bc1548360a9b5b340bfbbdeab25abf"`
[INFO] [stdout] 96804acc628eb2c26cc7f55f5fcef26835bc1548360a9b5b340bfbbdeab25abf
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 08465ceefcbc17bf23a9e7d44c9f7834a9e5e0bce4d4bbbf2891a5ab34e06145
[INFO] running `"docker" "start" "-a" "08465ceefcbc17bf23a9e7d44c9f7834a9e5e0bce4d4bbbf2891a5ab34e06145"`
[INFO] [stderr]    Compiling c_string v0.7.1-obsolete (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]   --> tests/tests.rs:29:14
[INFO] [stderr]    |
[INFO] [stderr] 29 |     for i in (0 .. len) {
[INFO] [stderr]    |              ^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `"docker" "inspect" "08465ceefcbc17bf23a9e7d44c9f7834a9e5e0bce4d4bbbf2891a5ab34e06145"`
[INFO] running `"docker" "rm" "-f" "08465ceefcbc17bf23a9e7d44c9f7834a9e5e0bce4d4bbbf2891a5ab34e06145"`
[INFO] [stdout] 08465ceefcbc17bf23a9e7d44c9f7834a9e5e0bce4d4bbbf2891a5ab34e06145
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 2c1db12218379678b7285c85b4e90d56101d590f131226c950a1cdaef861f3f7
[INFO] running `"docker" "start" "-a" "2c1db12218379678b7285c85b4e90d56101d590f131226c950a1cdaef861f3f7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/c_string-97c5872f347f189f
[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]      Running /opt/rustwide/target/debug/deps/tests-497b8cc3b48a5cce
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test test_c_str_buf_from_iter ... ok
[INFO] [stdout] test test_c_str_buf_from_str ... ok
[INFO] [stdout] test test_c_str_buf_from_vec ... ok
[INFO] [stdout] test test_c_str_buf_into_vec ... ok
[INFO] [stdout] test test_c_str_macro ... ok
[INFO] [stdout] test test_io_error_from_into_c_str_error ... ok
[INFO] [stdout] test test_io_error_from_nul_error ... ok
[INFO] [stdout] test test_iterator ... ok
[INFO] [stdout] test test_owned_c_string_debug ... ok
[INFO] [stdout] test test_owned_c_string_as_ptr ... ok
[INFO] [stdout] test test_owned_c_string_to_bytes ... ok
[INFO] [stdout] test test_parse_c_multistring ... ok
[INFO] [stdout] test test_owned_c_string_deref ... ok
[INFO] [stdout] test test_c_string_new_fail ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests c_string
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/c_str.rs - c_str (line 284) ... ok
[INFO] [stdout] test src/c_str.rs -  (line 49) ... 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" "2c1db12218379678b7285c85b4e90d56101d590f131226c950a1cdaef861f3f7"`
[INFO] running `"docker" "rm" "-f" "2c1db12218379678b7285c85b4e90d56101d590f131226c950a1cdaef861f3f7"`
[INFO] [stdout] 2c1db12218379678b7285c85b4e90d56101d590f131226c950a1cdaef861f3f7