[INFO] updating cached repository https://github.com/nick-lehmann/-Rust-Book [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] e1bcab8cfad3181d6edc237f03944024a5e44e77 [INFO] testing nick-lehmann/-Rust-Book against beta-2019-09-28 for beta-1.39-1 [INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnick-lehmann%2F-Rust-Book" "work/builds/worker-4/source"` [INFO] [stderr] Cloning into 'work/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/nick-lehmann/-Rust-Book 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 git repo https://github.com/nick-lehmann/-Rust-Book [INFO] finished tweaking git repo https://github.com/nick-lehmann/-Rust-Book [INFO] tweaked toml for git repo https://github.com/nick-lehmann/-Rust-Book written to work/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/nick-lehmann/-Rust-Book already has a lockfile, it will not be regenerated [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-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/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] 687def0152cccee7b06321faa64814f55f8e40d6eed1f5d7a15bcb1cd0265e75 [INFO] running `"docker" "start" "-a" "687def0152cccee7b06321faa64814f55f8e40d6eed1f5d7a15bcb1cd0265e75"` [INFO] [stderr] Compiling ndarray v0.12.1 [INFO] [stderr] Compiling itertools v0.7.11 [INFO] [stderr] Compiling Rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> src/bin/formatting.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | / /// Example function showing the different kinds strings can [INFO] [stderr] 6 | | /// be formatted and printed in Rust. [INFO] [stderr] 7 | | /// [INFO] [stderr] 8 | | /// Printing and formatting is mainly handled by a variety of marcors in std:fmt. [INFO] [stderr] ... | [INFO] [stderr] 25 | | /// count := parameter | integer [INFO] [stderr] 26 | | /// parameter := argument '$' [INFO] [stderr] | |_________________________________^ [INFO] [stderr] ... [INFO] [stderr] 29 | println!("{} days", 31); [INFO] [stderr] | ------------------------ rustdoc does not generate documentation for macro expansions [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stderr] = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion [INFO] [stderr] [INFO] [stderr] warning: unused variable: `peter` [INFO] [stderr] --> src/main.rs:36:9 [INFO] [stderr] | [INFO] [stderr] 36 | let peter = Person { name, age }; [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_peter` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Nil` [INFO] [stderr] --> src/main.rs:8:1 [INFO] [stderr] | [INFO] [stderr] 8 | struct Nil; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Rectangle` [INFO] [stderr] --> src/main.rs:20:1 [INFO] [stderr] | [INFO] [stderr] 20 | struct Rectangle { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: crate `Rust` should have a snake case name [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] = help: convert the identifier to snake case: `rust` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 7.27s [INFO] running `"docker" "inspect" "687def0152cccee7b06321faa64814f55f8e40d6eed1f5d7a15bcb1cd0265e75"` [INFO] running `"docker" "rm" "-f" "687def0152cccee7b06321faa64814f55f8e40d6eed1f5d7a15bcb1cd0265e75"` [INFO] [stdout] 687def0152cccee7b06321faa64814f55f8e40d6eed1f5d7a15bcb1cd0265e75 [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/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] 79725cc78c04e957e61c312fb70ef639582e82da3ce5c85c139f71dafb87cf3d [INFO] running `"docker" "start" "-a" "79725cc78c04e957e61c312fb70ef639582e82da3ce5c85c139f71dafb87cf3d"` [INFO] [stderr] Compiling Rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> src/bin/formatting.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | / /// Example function showing the different kinds strings can [INFO] [stderr] 6 | | /// be formatted and printed in Rust. [INFO] [stderr] 7 | | /// [INFO] [stderr] 8 | | /// Printing and formatting is mainly handled by a variety of marcors in std:fmt. [INFO] [stderr] ... | [INFO] [stderr] 25 | | /// count := parameter | integer [INFO] [stderr] 26 | | /// parameter := argument '$' [INFO] [stderr] | |_________________________________^ [INFO] [stderr] ... [INFO] [stderr] 29 | println!("{} days", 31); [INFO] [stderr] | ------------------------ rustdoc does not generate documentation for macro expansions [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stderr] = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion [INFO] [stderr] [INFO] [stderr] warning: unused variable: `peter` [INFO] [stderr] --> src/main.rs:36:9 [INFO] [stderr] | [INFO] [stderr] 36 | let peter = Person { name, age }; [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_peter` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Nil` [INFO] [stderr] --> src/main.rs:8:1 [INFO] [stderr] | [INFO] [stderr] 8 | struct Nil; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Rectangle` [INFO] [stderr] --> src/main.rs:20:1 [INFO] [stderr] | [INFO] [stderr] 20 | struct Rectangle { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: crate `Rust` should have a snake case name [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] = help: convert the identifier to snake case: `rust` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.35s [INFO] running `"docker" "inspect" "79725cc78c04e957e61c312fb70ef639582e82da3ce5c85c139f71dafb87cf3d"` [INFO] running `"docker" "rm" "-f" "79725cc78c04e957e61c312fb70ef639582e82da3ce5c85c139f71dafb87cf3d"` [INFO] [stdout] 79725cc78c04e957e61c312fb70ef639582e82da3ce5c85c139f71dafb87cf3d [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/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] bb5a1a471eb54631d520eec206f468c3e8e25d7c0b41009b032520c10ea46459 [INFO] running `"docker" "start" "-a" "bb5a1a471eb54631d520eec206f468c3e8e25d7c0b41009b032520c10ea46459"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/Rust-28ab2f8a34d17d30 [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/formatting-9c83432479f824a3 [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/generics-8188173d77034784 [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" "bb5a1a471eb54631d520eec206f468c3e8e25d7c0b41009b032520c10ea46459"` [INFO] running `"docker" "rm" "-f" "bb5a1a471eb54631d520eec206f468c3e8e25d7c0b41009b032520c10ea46459"` [INFO] [stdout] bb5a1a471eb54631d520eec206f468c3e8e25d7c0b41009b032520c10ea46459