[INFO] crate shamir 1.0.2 is already in cache
[INFO] testing shamir-1.0.2 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate shamir 1.0.2 into work/builds/worker-10/source
[INFO] validating manifest of crates.io crate shamir 1.0.2 on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate shamir 1.0.2
[INFO] finished tweaking crates.io crate shamir 1.0.2
[INFO] tweaked toml for crates.io crate shamir 1.0.2 written to work/builds/worker-10/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-10/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" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] a47555231f37de2df0a3fdbb2f7f2d271535d9ac6bc5270b8bf435c8fd8199c2
[INFO] running `"docker" "start" "-a" "a47555231f37de2df0a3fdbb2f7f2d271535d9ac6bc5270b8bf435c8fd8199c2"`
[INFO] [stderr]    Compiling shamir v1.0.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `super::SecretData`
[INFO] [stderr]  --> src/lib.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 6 |     use super::SecretData;
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/lib.rs:279:33
[INFO] [stderr]     |
[INFO] [stderr] 279 |             let mut t = vec![0; (b.len() - a.len())];
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/lib.rs:282:33
[INFO] [stderr]     |
[INFO] [stderr] 282 |             let mut t = vec![0; (a.len() - b.len())];
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `"docker" "inspect" "a47555231f37de2df0a3fdbb2f7f2d271535d9ac6bc5270b8bf435c8fd8199c2"`
[INFO] running `"docker" "rm" "-f" "a47555231f37de2df0a3fdbb2f7f2d271535d9ac6bc5270b8bf435c8fd8199c2"`
[INFO] [stdout] a47555231f37de2df0a3fdbb2f7f2d271535d9ac6bc5270b8bf435c8fd8199c2
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-10/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" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 286fbc0ad82390bbba6342ff3b2345df090764dcffe9ea0b15f9b42fbf04886d
[INFO] running `"docker" "start" "-a" "286fbc0ad82390bbba6342ff3b2345df090764dcffe9ea0b15f9b42fbf04886d"`
[INFO] [stderr]    Compiling shamir v1.0.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/lib.rs:279:33
[INFO] [stderr]     |
[INFO] [stderr] 279 |             let mut t = vec![0; (b.len() - a.len())];
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/lib.rs:282:33
[INFO] [stderr]     |
[INFO] [stderr] 282 |             let mut t = vec![0; (a.len() - b.len())];
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `"docker" "inspect" "286fbc0ad82390bbba6342ff3b2345df090764dcffe9ea0b15f9b42fbf04886d"`
[INFO] running `"docker" "rm" "-f" "286fbc0ad82390bbba6342ff3b2345df090764dcffe9ea0b15f9b42fbf04886d"`
[INFO] [stdout] 286fbc0ad82390bbba6342ff3b2345df090764dcffe9ea0b15f9b42fbf04886d
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-10/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" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] 3a447150e5bb831df40ecae4cf707ef150fbd043f12812fbcece7cfa1ad3cc2f
[INFO] running `"docker" "start" "-a" "3a447150e5bb831df40ecae4cf707ef150fbd043f12812fbcece7cfa1ad3cc2f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/shamir-5c116fc6515c96b8
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] test tests::it_generates_coefficients ... ok
[INFO] [stdout] test tests::it_issues_shares ... ok
[INFO] [stdout] test tests::it_repeatedly_issues_shares ... ok
[INFO] [stdout] test tests::it_can_recover_secret ... ok
[INFO] [stdout] test tests::it_can_recover_a_generated_secret ... ok
[INFO] [stdout] test tests::it_rejects_share_id_under_1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests shamir
[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" "3a447150e5bb831df40ecae4cf707ef150fbd043f12812fbcece7cfa1ad3cc2f"`
[INFO] running `"docker" "rm" "-f" "3a447150e5bb831df40ecae4cf707ef150fbd043f12812fbcece7cfa1ad3cc2f"`
[INFO] [stdout] 3a447150e5bb831df40ecae4cf707ef150fbd043f12812fbcece7cfa1ad3cc2f