[INFO] updating cached repository nanomad/chip8emu-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/nanomad/chip8emu-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/nanomad/chip8emu-rs" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/nanomad/chip8emu-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/nanomad/chip8emu-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/nanomad/chip8emu-rs" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/nanomad/chip8emu-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/nanomad/chip8emu-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2bc1d3bc3bee48c769950f9229342acc8e1ddbbb
[INFO] sha for GitHub repo nanomad/chip8emu-rs: 2bc1d3bc3bee48c769950f9229342acc8e1ddbbb
[INFO] validating manifest of nanomad/chip8emu-rs on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of nanomad/chip8emu-rs on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing nanomad/chip8emu-rs
[INFO] finished frobbing nanomad/chip8emu-rs
[INFO] frobbed toml for nanomad/chip8emu-rs written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/nanomad/chip8emu-rs/Cargo.toml
[INFO] started frobbing nanomad/chip8emu-rs
[INFO] finished frobbing nanomad/chip8emu-rs
[INFO] frobbed toml for nanomad/chip8emu-rs written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/nanomad/chip8emu-rs/Cargo.toml
[INFO] crate nanomad/chip8emu-rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-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" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking nanomad/chip8emu-rs against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-6/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/nanomad/chip8emu-rs:/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" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] e3e9ad9a1818204c748016e0a1b991fa5567a443fbafa344930de907a323511a
[INFO] running `"docker" "start" "-a" "e3e9ad9a1818204c748016e0a1b991fa5567a443fbafa344930de907a323511a"`
[INFO] [stderr]    Compiling unicode-normalization v0.1.3
[INFO] [stderr]     Checking diff v0.1.9
[INFO] [stderr]     Checking multimap v0.3.0
[INFO] [stderr]     Checking syntex_pos v0.44.0
[INFO] [stderr]    Compiling minifb v0.9.0
[INFO] [stderr]    Compiling toml v0.1.30
[INFO] [stderr]     Checking dylib v0.0.1
[INFO] [stderr]     Checking strings v0.0.1
[INFO] [stderr]     Checking x11-dl v2.2.1
[INFO] [stderr]     Checking term v0.4.4
[INFO] [stderr]    Compiling walkdir v0.1.8
[INFO] [stderr]     Checking env_logger v0.3.5
[INFO] [stderr]     Checking syntex_errors v0.44.0
[INFO] [stderr]    Compiling clippy_lints v0.0.106
[INFO] [stderr]    Compiling rustfmt v0.6.3
[INFO] [stderr]     Checking syntex_syntax v0.44.1
[INFO] [stderr] error[E0463]: can't find crate for `collections`
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/clippy_lints-0.0.106/src/lib.rs:25:1
[INFO] [stderr]    |
[INFO] [stderr] 25 | extern crate collections;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: Could not compile `clippy_lints`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "e3e9ad9a1818204c748016e0a1b991fa5567a443fbafa344930de907a323511a"`
[INFO] running `"docker" "rm" "-f" "e3e9ad9a1818204c748016e0a1b991fa5567a443fbafa344930de907a323511a"`
[INFO] [stdout] e3e9ad9a1818204c748016e0a1b991fa5567a443fbafa344930de907a323511a