[INFO] fetching crate math-calc 0.1.0...
[INFO] documenting math-calc-0.1.0 against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] extracting crate math-calc 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate math-calc 0.1.0 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate math-calc 0.1.0
[INFO] finished tweaking crates.io crate math-calc 0.1.0
[INFO] tweaked toml for crates.io crate math-calc 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2162b51e3e11b486dc6b0b0ce9620bf615a144d28ad80de47d11e82eaaf63c59
[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" "2162b51e3e11b486dc6b0b0ce9620bf615a144d28ad80de47d11e82eaaf63c59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2162b51e3e11b486dc6b0b0ce9620bf615a144d28ad80de47d11e82eaaf63c59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2162b51e3e11b486dc6b0b0ce9620bf615a144d28ad80de47d11e82eaaf63c59", kill_on_drop: false }`
[INFO] [stdout] 2162b51e3e11b486dc6b0b0ce9620bf615a144d28ad80de47d11e82eaaf63c59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c2c6750f2e073d420425d7a73161672f8c9977abbc1e679262304b198c0e573
[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" "5c2c6750f2e073d420425d7a73161672f8c9977abbc1e679262304b198c0e573", kill_on_drop: false }`
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling ordermap v0.3.5
[INFO] [stderr]    Compiling bit-vec v0.6.2
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling lalrpop-util v0.17.2
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]    Compiling ena v0.13.1
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling ascii-canvas v2.0.0
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]    Compiling lalrpop v0.17.2
[INFO] [stderr]    Compiling math-calc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting math-calc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/math-calc-175f3ae76982ef51/out/grammar.rs:995:5
[INFO] [stdout]     |
[INFO] [stdout] 995 |     (__0)
[INFO] [stdout]     |     ^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/math-calc-175f3ae76982ef51/out/grammar.rs:1006:5
[INFO] [stdout]      |
[INFO] [stdout] 1006 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/math-calc-175f3ae76982ef51/out/grammar.rs:1071:5
[INFO] [stdout]      |
[INFO] [stdout] 1071 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/math-calc-175f3ae76982ef51/out/grammar.rs:1108:5
[INFO] [stdout]      |
[INFO] [stdout] 1108 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/math-calc-175f3ae76982ef51/out/grammar.rs:1132:5
[INFO] [stdout]      |
[INFO] [stdout] 1132 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/math-calc-175f3ae76982ef51/out/grammar.rs:1143:5
[INFO] [stdout]      |
[INFO] [stdout] 1143 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/math-calc-175f3ae76982ef51/out/grammar.rs:1156:5
[INFO] [stdout]      |
[INFO] [stdout] 1156 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `str` is both a module and a builtin type
[INFO] [stdout]  --> src/lib.rs:4:74
[INFO] [stdout]   |
[INFO] [stdout] 4 | //! library that gets an inputted [String], [u8] slice or a plain [&str](str)
[INFO] [stdout]   |                                                                          ^^^ ambiguous link
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(broken_intra_doc_links)]` on by default
[INFO] [stdout] help: to link to the module, prefix with `mod@`
[INFO] [stdout]   |
[INFO] [stdout] 4 | //! library that gets an inputted [String], [u8] slice or a plain [&str](mod@str)
[INFO] [stdout]   |                                                                          ^^^^^^^
[INFO] [stdout] help: to link to the builtin type, prefix with `prim@`
[INFO] [stdout]   |
[INFO] [stdout] 4 | //! library that gets an inputted [String], [u8] slice or a plain [&str](prim@str)
[INFO] [stdout]   |                                                                          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `str` is both a module and a builtin type
[INFO] [stdout]   --> src/lib.rs:93:21
[INFO] [stdout]    |
[INFO] [stdout] 93 | /// Parses a given [str] into the expected [Vec]<[i32]> result.
[INFO] [stdout]    |                     ^^^ ambiguous link
[INFO] [stdout]    |
[INFO] [stdout] help: to link to the module, prefix with `mod@`
[INFO] [stdout]    |
[INFO] [stdout] 93 | /// Parses a given [mod@str] into the expected [Vec]<[i32]> result.
[INFO] [stdout]    |                     ^^^^^^^
[INFO] [stdout] help: to link to the builtin type, prefix with `prim@`
[INFO] [stdout]    |
[INFO] [stdout] 93 | /// Parses a given [prim@str] into the expected [Vec]<[i32]> result.
[INFO] [stdout]    |                     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 51.51s
[INFO] running `Command { std: "docker" "inspect" "5c2c6750f2e073d420425d7a73161672f8c9977abbc1e679262304b198c0e573", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c2c6750f2e073d420425d7a73161672f8c9977abbc1e679262304b198c0e573", kill_on_drop: false }`
[INFO] [stdout] 5c2c6750f2e073d420425d7a73161672f8c9977abbc1e679262304b198c0e573
