[INFO] crate cargo-asm 0.1.16 is already in cache
[INFO] checking cargo-asm-0.1.16 against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] extracting crate cargo-asm 0.1.16 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate cargo-asm 0.1.16 on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "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-13/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] warning: file found to be present in multiple build targets: /workspace/builds/worker-13/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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "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] c796182300dcaef27a10a7b4b79ad1c4d85e5e923e7f5619081fc69242c1797c
[INFO] running `"docker" "start" "-a" "c796182300dcaef27a10a7b4b79ad1c4d85e5e923e7f5619081fc69242c1797c"`
[INFO] [stderr] warning: file found to be present in multiple build targets: /opt/rustwide/workdir/src/main.rs
[INFO] [stderr]     Checking edit-distance v2.1.0
[INFO] [stderr]     Checking termcolor v0.3.6
[INFO] [stderr]     Checking difference v1.0.0
[INFO] [stderr]     Checking environment v0.1.1
[INFO] [stderr]    Compiling error-chain v0.12.2
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.35
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling backtrace v0.3.46
[INFO] [stderr]     Checking parking_lot v0.5.5
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking cargo-asm v0.1.16 (/opt/rustwide/workdir)
[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 36.49s
[INFO] running `"docker" "inspect" "c796182300dcaef27a10a7b4b79ad1c4d85e5e923e7f5619081fc69242c1797c"`
[INFO] running `"docker" "rm" "-f" "c796182300dcaef27a10a7b4b79ad1c4d85e5e923e7f5619081fc69242c1797c"`
[INFO] [stdout] c796182300dcaef27a10a7b4b79ad1c4d85e5e923e7f5619081fc69242c1797c
