[INFO] updating cached repository kokjo/cfgtool
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/kokjo/cfgtool
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/kokjo/cfgtool" "work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/kokjo/cfgtool"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/kokjo/cfgtool'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kokjo/cfgtool" "work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/kokjo/cfgtool"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/kokjo/cfgtool'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 256374a9e1c968fbf8b67ebe2388631ee556da2d
[INFO] sha for GitHub repo kokjo/cfgtool: 256374a9e1c968fbf8b67ebe2388631ee556da2d
[INFO] validating manifest of kokjo/cfgtool on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of kokjo/cfgtool on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing kokjo/cfgtool
[INFO] finished frobbing kokjo/cfgtool
[INFO] frobbed toml for kokjo/cfgtool written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/kokjo/cfgtool/Cargo.toml
[INFO] started frobbing kokjo/cfgtool
[INFO] finished frobbing kokjo/cfgtool
[INFO] frobbed toml for kokjo/cfgtool written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/kokjo/cfgtool/Cargo.toml
[INFO] crate kokjo/cfgtool already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking kokjo/cfgtool against master#452087b4bf18cece2d52d7cd8c9147195e5404bf for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-7/master#452087b4bf18cece2d52d7cd8c9147195e5404bf:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/kokjo/cfgtool:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 1e5627bb96e205249fb4f88a74b32556500f0e52e03fd780fc1a7a15513bb025
[INFO] running `"docker" "start" "-a" "1e5627bb96e205249fb4f88a74b32556500f0e52e03fd780fc1a7a15513bb025"`
[INFO] [stderr]    Compiling capstone-sys v0.8.0
[INFO] [stderr]     Checking plain v0.2.3
[INFO] [stderr]    Compiling scroll_derive v0.9.4
[INFO] [stderr]     Checking scroll v0.9.0
[INFO] [stderr]     Checking goblin v0.0.17
[INFO] [stderr]     Checking capstone v0.4.0
[INFO] [stderr]     Checking cfgtool v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `goblin::*`
[INFO] [stderr]  --> src/addressspace.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use goblin::*;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]  --> src/addressspace.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::fs::File;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `goblin::*`
[INFO] [stderr]  --> src/addressspace.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use goblin::*;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]  --> src/addressspace.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::fs::File;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `address`
[INFO] [stderr]   --> src/addressspace.rs:62:20
[INFO] [stderr]    |
[INFO] [stderr] 62 |     fn read(&self, address:u64, buffer : &mut [u8]){
[INFO] [stderr]    |                    ^^^^^^^ help: consider prefixing with an underscore: `_address`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `buffer`
[INFO] [stderr]   --> src/addressspace.rs:62:33
[INFO] [stderr]    |
[INFO] [stderr] 62 |     fn read(&self, address:u64, buffer : &mut [u8]){
[INFO] [stderr]    |                                 ^^^^^^ help: consider prefixing with an underscore: `_buffer`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/basicblock.rs:57:21
[INFO] [stderr]    |
[INFO] [stderr] 57 |                 let mut prevs = prevs_map.entry(next).or_insert(Vec::new());
[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: unused variable: `address`
[INFO] [stderr]   --> src/addressspace.rs:62:20
[INFO] [stderr]    |
[INFO] [stderr] 62 |     fn read(&self, address:u64, buffer : &mut [u8]){
[INFO] [stderr]    |                    ^^^^^^^ help: consider prefixing with an underscore: `_address`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `buffer`
[INFO] [stderr]   --> src/addressspace.rs:62:33
[INFO] [stderr]    |
[INFO] [stderr] 62 |     fn read(&self, address:u64, buffer : &mut [u8]){
[INFO] [stderr]    |                                 ^^^^^^ help: consider prefixing with an underscore: `_buffer`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/basicblock.rs:57:21
[INFO] [stderr]    |
[INFO] [stderr] 57 |                 let mut prevs = prevs_map.entry(next).or_insert(Vec::new());
[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 12.87s
[INFO] running `"docker" "inspect" "1e5627bb96e205249fb4f88a74b32556500f0e52e03fd780fc1a7a15513bb025"`
[INFO] running `"docker" "rm" "-f" "1e5627bb96e205249fb4f88a74b32556500f0e52e03fd780fc1a7a15513bb025"`
[INFO] [stdout] 1e5627bb96e205249fb4f88a74b32556500f0e52e03fd780fc1a7a15513bb025