[INFO] updating cached repository lux01/synacor
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/lux01/synacor
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/lux01/synacor" "work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/lux01/synacor"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/lux01/synacor'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/lux01/synacor" "work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/lux01/synacor"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/lux01/synacor'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9f0ff8dfcdb8a6c1395fe50c15ebc21aa57c0f93
[INFO] sha for GitHub repo lux01/synacor: 9f0ff8dfcdb8a6c1395fe50c15ebc21aa57c0f93
[INFO] validating manifest of lux01/synacor on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of lux01/synacor on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing lux01/synacor
[INFO] finished frobbing lux01/synacor
[INFO] frobbed toml for lux01/synacor written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/lux01/synacor/Cargo.toml
[INFO] started frobbing lux01/synacor
[INFO] finished frobbing lux01/synacor
[INFO] frobbed toml for lux01/synacor written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/lux01/synacor/Cargo.toml
[INFO] crate lux01/synacor already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking lux01/synacor against master#e305df1846a6d985315917ae0c81b74af8b4e641 for pr-60039-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-6/master#e305df1846a6d985315917ae0c81b74af8b4e641:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/lux01/synacor:/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" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 6cc2da83fe15417bf9553d5d9b7456cfb0a593ece8b41f46138e029e956ab6f8
[INFO] running `"docker" "start" "-a" "6cc2da83fe15417bf9553d5d9b7456cfb0a593ece8b41f46138e029e956ab6f8"`
[INFO] [stderr]     Checking termion v1.1.4
[INFO] [stderr]     Checking serde_json v0.9.5
[INFO] [stderr]    Compiling serde_codegen_internals v0.13.0
[INFO] [stderr]     Checking chan v0.1.18
[INFO] [stderr]     Checking chan-signal v0.2.0
[INFO] [stderr]    Compiling serde_derive v0.9.6
[INFO] [stderr]     Checking synacor v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/debugger/main.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | #[macro_use] extern crate chan;
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/debugger/main.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | #[macro_use] extern crate chan;
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.38s
[INFO] running `"docker" "inspect" "6cc2da83fe15417bf9553d5d9b7456cfb0a593ece8b41f46138e029e956ab6f8"`
[INFO] running `"docker" "rm" "-f" "6cc2da83fe15417bf9553d5d9b7456cfb0a593ece8b41f46138e029e956ab6f8"`
[INFO] [stdout] 6cc2da83fe15417bf9553d5d9b7456cfb0a593ece8b41f46138e029e956ab6f8