[INFO] crate cargo-asm 0.1.16 is already in cache
[INFO] checking cargo-asm-0.1.16 against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] extracting crate cargo-asm 0.1.16 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate cargo-asm 0.1.16 on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] warning: file found to be present in multiple build targets: /workspace/builds/worker-0/source/src/main.rs
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b88bcbdee9ca0822070f58bc1f0f53fd38e26eb6c13e0f51c8692156c4208151
[INFO] running `"docker" "start" "-a" "b88bcbdee9ca0822070f58bc1f0f53fd38e26eb6c13e0f51c8692156c4208151"`
[INFO] [stderr] warning: file found to be present in multiple build targets: /opt/rustwide/workdir/src/main.rs
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling pulldown-cmark v0.2.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling bytecount v0.4.0
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]     Checking termcolor v0.3.6
[INFO] [stderr]     Checking edit-distance v2.1.0
[INFO] [stderr]     Checking environment v0.1.1
[INFO] [stderr]    Compiling error-chain v0.12.2
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]     Checking parking_lot v0.5.5
[INFO] [stderr]     Checking cargo-asm v0.1.16 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> src/main.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | #[macro_use]
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]  --> src/llvmir.rs:7:42
[INFO] [stderr]   |
[INFO] [stderr] 7 |         debug!("Scanning file: {:?}", f);;
[INFO] [stderr]   |                                          ^ help: remove this semicolon
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]   --> src/options.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 11 |         { ::parking_lot::RwLock::new(read()) };
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/rust.rs:84:49
[INFO] [stderr]    |
[INFO] [stderr] 84 |     debug!("Done inserting files: {:?}", files);;
[INFO] [stderr]    |                                                 ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/rust.rs:104:55
[INFO] [stderr]     |
[INFO] [stderr] 104 |     debug!("Done filing holes in files: {:?}", files);;
[INFO] [stderr]     |                                                       ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/rust.rs:109:59
[INFO] [stderr]     |
[INFO] [stderr] 109 |     debug!("Done correcting paths in files: {:?}", files);;
[INFO] [stderr]     |                                                           ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/rust.rs:129:56
[INFO] [stderr]     |
[INFO] [stderr] 129 |     debug!("Done reading lines in files: {:?}", files);;
[INFO] [stderr]     |                                                        ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/rust.rs:80:42
[INFO] [stderr]    |
[INFO] [stderr] 80 |             debug!("files: {:?}", files);;
[INFO] [stderr]    |                                          ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around assigned value
[INFO] [stderr]    --> src/main.rs:107:13
[INFO] [stderr]     |
[INFO] [stderr] 107 |     let o = { (*opts.read()).clone() };
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> src/main.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | #[macro_use]
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]  --> src/llvmir.rs:7:42
[INFO] [stderr]   |
[INFO] [stderr] 7 |         debug!("Scanning file: {:?}", f);;
[INFO] [stderr]   |                                          ^ help: remove this semicolon
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]   --> src/options.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 11 |         { ::parking_lot::RwLock::new(read()) };
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/rust.rs:84:49
[INFO] [stderr]    |
[INFO] [stderr] 84 |     debug!("Done inserting files: {:?}", files);;
[INFO] [stderr]    |                                                 ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/rust.rs:104:55
[INFO] [stderr]     |
[INFO] [stderr] 104 |     debug!("Done filing holes in files: {:?}", files);;
[INFO] [stderr]     |                                                       ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/rust.rs:109:59
[INFO] [stderr]     |
[INFO] [stderr] 109 |     debug!("Done correcting paths in files: {:?}", files);;
[INFO] [stderr]     |                                                           ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/rust.rs:129:56
[INFO] [stderr]     |
[INFO] [stderr] 129 |     debug!("Done reading lines in files: {:?}", files);;
[INFO] [stderr]     |                                                        ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/rust.rs:80:42
[INFO] [stderr]    |
[INFO] [stderr] 80 |             debug!("files: {:?}", files);;
[INFO] [stderr]    |                                          ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around assigned value
[INFO] [stderr]    --> src/main.rs:107:13
[INFO] [stderr]     |
[INFO] [stderr] 107 |     let o = { (*opts.read()).clone() };
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/rust.rs:90:13
[INFO] [stderr]    |
[INFO] [stderr] 90 |         let mut prev = 0;
[INFO] [stderr]    |             ----^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/rust.rs:90:13
[INFO] [stderr]    |
[INFO] [stderr] 90 |         let mut prev = 0;
[INFO] [stderr]    |             ----^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling serde_json v1.0.51
[INFO] [stderr]    Compiling cargo_metadata v0.6.4
[INFO] [stderr]    Compiling skeptic v0.13.4
[INFO] [stderr]    Compiling assert_cli v0.5.4
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> src/main.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | #[macro_use]
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]  --> src/llvmir.rs:7:42
[INFO] [stderr]   |
[INFO] [stderr] 7 |         debug!("Scanning file: {:?}", f);;
[INFO] [stderr]   |                                          ^ help: remove this semicolon
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]   --> src/options.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 11 |         { ::parking_lot::RwLock::new(read()) };
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/rust.rs:84:49
[INFO] [stderr]    |
[INFO] [stderr] 84 |     debug!("Done inserting files: {:?}", files);;
[INFO] [stderr]    |                                                 ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/rust.rs:104:55
[INFO] [stderr]     |
[INFO] [stderr] 104 |     debug!("Done filing holes in files: {:?}", files);;
[INFO] [stderr]     |                                                       ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/rust.rs:109:59
[INFO] [stderr]     |
[INFO] [stderr] 109 |     debug!("Done correcting paths in files: {:?}", files);;
[INFO] [stderr]     |                                                           ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/rust.rs:129:56
[INFO] [stderr]     |
[INFO] [stderr] 129 |     debug!("Done reading lines in files: {:?}", files);;
[INFO] [stderr]     |                                                        ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/rust.rs:80:42
[INFO] [stderr]    |
[INFO] [stderr] 80 |             debug!("files: {:?}", files);;
[INFO] [stderr]    |                                          ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around assigned value
[INFO] [stderr]    --> src/main.rs:107:13
[INFO] [stderr]     |
[INFO] [stderr] 107 |     let o = { (*opts.read()).clone() };
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> src/main.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | #[macro_use]
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]  --> src/llvmir.rs:7:42
[INFO] [stderr]   |
[INFO] [stderr] 7 |         debug!("Scanning file: {:?}", f);;
[INFO] [stderr]   |                                          ^ help: remove this semicolon
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]   --> src/options.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 11 |         { ::parking_lot::RwLock::new(read()) };
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/rust.rs:84:49
[INFO] [stderr]    |
[INFO] [stderr] 84 |     debug!("Done inserting files: {:?}", files);;
[INFO] [stderr]    |                                                 ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/rust.rs:104:55
[INFO] [stderr]     |
[INFO] [stderr] 104 |     debug!("Done filing holes in files: {:?}", files);;
[INFO] [stderr]     |                                                       ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/rust.rs:109:59
[INFO] [stderr]     |
[INFO] [stderr] 109 |     debug!("Done correcting paths in files: {:?}", files);;
[INFO] [stderr]     |                                                           ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/rust.rs:129:56
[INFO] [stderr]     |
[INFO] [stderr] 129 |     debug!("Done reading lines in files: {:?}", files);;
[INFO] [stderr]     |                                                        ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/rust.rs:80:42
[INFO] [stderr]    |
[INFO] [stderr] 80 |             debug!("files: {:?}", files);;
[INFO] [stderr]    |                                          ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around assigned value
[INFO] [stderr]    --> src/main.rs:107:13
[INFO] [stderr]     |
[INFO] [stderr] 107 |     let o = { (*opts.read()).clone() };
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/rust.rs:90:13
[INFO] [stderr]    |
[INFO] [stderr] 90 |         let mut prev = 0;
[INFO] [stderr]    |             ----^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/rust.rs:90:13
[INFO] [stderr]    |
[INFO] [stderr] 90 |         let mut prev = 0;
[INFO] [stderr]    |             ----^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.67s
[INFO] running `"docker" "inspect" "b88bcbdee9ca0822070f58bc1f0f53fd38e26eb6c13e0f51c8692156c4208151"`
[INFO] running `"docker" "rm" "-f" "b88bcbdee9ca0822070f58bc1f0f53fd38e26eb6c13e0f51c8692156c4208151"`
[INFO] [stdout] b88bcbdee9ca0822070f58bc1f0f53fd38e26eb6c13e0f51c8692156c4208151
