[INFO] cloning repository https://github.com/masonk/libbsearch
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/masonk/libbsearch" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmasonk%2Flibbsearch", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmasonk%2Flibbsearch'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 451a76f7f0b7c0c0c978d346934d64f2966e2908
[INFO] checking masonk/libbsearch against beta-2020-07-24 for pr-75494-beta
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmasonk%2Flibbsearch" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/masonk/libbsearch on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/masonk/libbsearch
[INFO] finished tweaking git repo https://github.com/masonk/libbsearch
[INFO] tweaked toml for git repo https://github.com/masonk/libbsearch written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/masonk/libbsearch already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a3f47138f0d19739a24a518e9df1e40a53ce5a4585e2e01e83de83f5f60747df
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a3f47138f0d19739a24a518e9df1e40a53ce5a4585e2e01e83de83f5f60747df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a3f47138f0d19739a24a518e9df1e40a53ce5a4585e2e01e83de83f5f60747df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3f47138f0d19739a24a518e9df1e40a53ce5a4585e2e01e83de83f5f60747df", kill_on_drop: false }`
[INFO] [stdout] a3f47138f0d19739a24a518e9df1e40a53ce5a4585e2e01e83de83f5f60747df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de864614db2aaa75e10479a56abb2dcb8c25432bc4650c474bf32587320a08ce
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "de864614db2aaa75e10479a56abb2dcb8c25432bc4650c474bf32587320a08ce", kill_on_drop: false }`
[INFO] [stderr]     Checking bsearch v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(range_contains)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0601]: `main` function not found in crate `bsearch`
[INFO] [stdout]    --> src/main.rs:1:1
[INFO] [stdout]     |
[INFO] [stdout] 1   | / #![feature(range_contains)]
[INFO] [stdout] 2   | | use std::cmp::Ordering;
[INFO] [stdout] 3   | | use std::cmp::Ordering::{Less, Greater, Equal};
[INFO] [stdout] 4   | |
[INFO] [stdout] ...   |
[INFO] [stdout] 240 | |     }
[INFO] [stdout] 241 | | }
[INFO] [stdout]     | |_^ consider adding a `main` function to `src/main.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(range_contains)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0601.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bsearch`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/main.rs:172:52
[INFO] [stdout]     |
[INFO] [stdout] 172 |             Some(idx) => { assert!((0..3).contains(idx), "0 was found in 0..3"); }
[INFO] [stdout]     |                                                    ^^^
[INFO] [stdout]     |                                                    |
[INFO] [stdout]     |                                                    expected reference, found `usize`
[INFO] [stdout]     |                                                    help: consider borrowing here: `&idx`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected reference `&_`
[INFO] [stdout]                     found type `usize`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/main.rs:187:52
[INFO] [stdout]     |
[INFO] [stdout] 187 |             Some(idx) => { assert!((3..6).contains(idx)); },
[INFO] [stdout]     |                                                    ^^^
[INFO] [stdout]     |                                                    |
[INFO] [stdout]     |                                                    expected reference, found `usize`
[INFO] [stdout]     |                                                    help: consider borrowing here: `&idx`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected reference `&_`
[INFO] [stdout]                     found type `usize`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/main.rs:196:53
[INFO] [stdout]     |
[INFO] [stdout] 196 |             Some(idx) => {  assert!((2..5).contains(idx)); }
[INFO] [stdout]     |                                                     ^^^
[INFO] [stdout]     |                                                     |
[INFO] [stdout]     |                                                     expected reference, found `usize`
[INFO] [stdout]     |                                                     help: consider borrowing here: `&idx`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected reference `&_`
[INFO] [stdout]                     found type `usize`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/main.rs:231:69
[INFO] [stdout]     |
[INFO] [stdout] 231 | ...   Some(actual) => { assert!(expected.contains(actual), "Return idx should be in {:?}, but got {}.", expected, actual); }
[INFO] [stdout]     |                                                   ^^^^^^
[INFO] [stdout]     |                                                   |
[INFO] [stdout]     |                                                   expected `&usize`, found `usize`
[INFO] [stdout]     |                                                   help: consider borrowing here: `&actual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "de864614db2aaa75e10479a56abb2dcb8c25432bc4650c474bf32587320a08ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de864614db2aaa75e10479a56abb2dcb8c25432bc4650c474bf32587320a08ce", kill_on_drop: false }`
[INFO] [stdout] de864614db2aaa75e10479a56abb2dcb8c25432bc4650c474bf32587320a08ce
