[INFO] crate nes 0.1.1 is already in cache
[INFO] extracting crate nes 0.1.1 into work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/reg/nes/0.1.1
[INFO] extracting crate nes 0.1.1 into work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/reg/nes/0.1.1
[INFO] validating manifest of nes-0.1.1 on toolchain master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of nes-0.1.1 on toolchain try#bad365140e1e8233b42b21af70a407f14ce5fec5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing nes-0.1.1
[INFO] finished frobbing nes-0.1.1
[INFO] frobbed toml for nes-0.1.1 written to work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/reg/nes/0.1.1/Cargo.toml
[INFO] started frobbing nes-0.1.1
[INFO] finished frobbing nes-0.1.1
[INFO] frobbed toml for nes-0.1.1 written to work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/reg/nes/0.1.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking nes-0.1.1 against master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980 for pr-56896
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56896/worker-1/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/reg/nes/0.1.1:/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" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 9ceb138fee66f6954d9e157b3e049d12523f0e8e1b51f30367cd9c40c96df5d2
[INFO] running `"docker" "start" "-a" "9ceb138fee66f6954d9e157b3e049d12523f0e8e1b51f30367cd9c40c96df5d2"`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]     Checking nes v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `RwLock`
[INFO] [stderr]  --> examples/lock.rs:7:27
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::sync::{Mutex,Arc,RwLock};
[INFO] [stderr]   |                           ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `file_name`
[INFO] [stderr]   --> examples/example.rs:75:47
[INFO] [stderr]    |
[INFO] [stderr] 75 |         Err(CommonError::IncorrectExtension(_,file_name, extension)) => println!("incorrect extension {}",extension),
[INFO] [stderr]    |                                               ^^^^^^^^^ help: consider using `_file_name` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `io_error`
[INFO] [stderr]   --> examples/example.rs:78:86
[INFO] [stderr]    |
[INFO] [stderr] 78 |                 CommonError::ReadFileError(_, box ReadFileError::ReadFileError(_,ref io_error, ref file)) => println!("can not read file \"{}\"",file),
[INFO] [stderr]    |                                                                                      ^^^^^^^^ help: consider using `_io_error` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> examples/lock.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     join_handle.join();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `"docker" "inspect" "9ceb138fee66f6954d9e157b3e049d12523f0e8e1b51f30367cd9c40c96df5d2"`
[INFO] running `"docker" "rm" "-f" "9ceb138fee66f6954d9e157b3e049d12523f0e8e1b51f30367cd9c40c96df5d2"`
[INFO] [stdout] 9ceb138fee66f6954d9e157b3e049d12523f0e8e1b51f30367cd9c40c96df5d2