[INFO] fetching crate cargo-asm 0.1.16...
[INFO] documenting cargo-asm-0.1.16 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate cargo-asm 0.1.16 into /workspace/builds/worker-19/source
[INFO] validating manifest of crates.io crate cargo-asm 0.1.16 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-asm 0.1.16
[INFO] finished tweaking crates.io crate cargo-asm 0.1.16
[INFO] tweaked toml for crates.io crate cargo-asm 0.1.16 written to /workspace/builds/worker-19/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: file found to be present in multiple build targets: /workspace/builds/worker-19/source/src/main.rs
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e1e547dc72773090dcf88d3395dda94f7e6c86062d1a131928d904e79baf3dee
[INFO] running `Command { std: "docker" "start" "-a" "e1e547dc72773090dcf88d3395dda94f7e6c86062d1a131928d904e79baf3dee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1e547dc72773090dcf88d3395dda94f7e6c86062d1a131928d904e79baf3dee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1e547dc72773090dcf88d3395dda94f7e6c86062d1a131928d904e79baf3dee", kill_on_drop: false }`
[INFO] [stdout] e1e547dc72773090dcf88d3395dda94f7e6c86062d1a131928d904e79baf3dee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d0b16cf35d7a7c6a58e50fd215b0201a56da7655dd785d301e2b2e61c168b545
[INFO] running `Command { std: "docker" "start" "-a" "d0b16cf35d7a7c6a58e50fd215b0201a56da7655dd785d301e2b2e61c168b545", kill_on_drop: false }`
[INFO] [stderr] warning: file found to be present in multiple build targets: /opt/rustwide/workdir/src/main.rs
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]     Checking termcolor v0.3.6
[INFO] [stderr]     Checking edit-distance v2.1.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]     Checking parking_lot v0.5.5
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking serde v1.0.127
[INFO] [stderr]  Documenting cargo-asm v0.1.16 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]  --> src/llvmir.rs:7:42
[INFO] [stdout]   |
[INFO] [stdout] 7 |         debug!("Scanning file: {:?}", f);;
[INFO] [stdout]   |                                          ^ help: remove this semicolon
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/options.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |         { ::parking_lot::RwLock::new(read()) };
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/rust.rs:84:49
[INFO] [stdout]    |
[INFO] [stdout] 84 |     debug!("Done inserting files: {:?}", files);;
[INFO] [stdout]    |                                                 ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/rust.rs:104:55
[INFO] [stdout]     |
[INFO] [stdout] 104 |     debug!("Done filing holes in files: {:?}", files);;
[INFO] [stdout]     |                                                       ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/rust.rs:109:59
[INFO] [stdout]     |
[INFO] [stdout] 109 |     debug!("Done correcting paths in files: {:?}", files);;
[INFO] [stdout]     |                                                           ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/rust.rs:129:56
[INFO] [stdout]     |
[INFO] [stdout] 129 |     debug!("Done reading lines in files: {:?}", files);;
[INFO] [stdout]     |                                                        ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/rust.rs:80:42
[INFO] [stdout]    |
[INFO] [stdout] 80 |             debug!("files: {:?}", files);;
[INFO] [stdout]    |                                          ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]  --> src/llvmir.rs:7:42
[INFO] [stdout]   |
[INFO] [stdout] 7 |         debug!("Scanning file: {:?}", f);;
[INFO] [stdout]   |                                          ^ help: remove this semicolon
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/options.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |         { ::parking_lot::RwLock::new(read()) };
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/rust.rs:84:49
[INFO] [stdout]    |
[INFO] [stdout] 84 |     debug!("Done inserting files: {:?}", files);;
[INFO] [stdout]    |                                                 ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/rust.rs:104:55
[INFO] [stdout]     |
[INFO] [stdout] 104 |     debug!("Done filing holes in files: {:?}", files);;
[INFO] [stdout]     |                                                       ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/rust.rs:109:59
[INFO] [stdout]     |
[INFO] [stdout] 109 |     debug!("Done correcting paths in files: {:?}", files);;
[INFO] [stdout]     |                                                           ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/rust.rs:129:56
[INFO] [stdout]     |
[INFO] [stdout] 129 |     debug!("Done reading lines in files: {:?}", files);;
[INFO] [stdout]     |                                                        ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/rust.rs:80:42
[INFO] [stdout]    |
[INFO] [stdout] 80 |             debug!("files: {:?}", files);;
[INFO] [stdout]    |                                          ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.48s
[INFO] running `Command { std: "docker" "inspect" "d0b16cf35d7a7c6a58e50fd215b0201a56da7655dd785d301e2b2e61c168b545", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0b16cf35d7a7c6a58e50fd215b0201a56da7655dd785d301e2b2e61c168b545", kill_on_drop: false }`
[INFO] [stdout] d0b16cf35d7a7c6a58e50fd215b0201a56da7655dd785d301e2b2e61c168b545
