[INFO] cloning repository tgandrews/synacor-rs
[INFO] running `"git" "clone" "--bare" "git://github.com/tgandrews/synacor-rs.git" "work/cache/sources/gh/tgandrews/synacor-rs"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/tgandrews/synacor-rs'...
[INFO] running `"git" "clone" "work/cache/sources/gh/tgandrews/synacor-rs" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/tgandrews/synacor-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/tgandrews/synacor-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tgandrews/synacor-rs" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/tgandrews/synacor-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/tgandrews/synacor-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7a38ad4f4393be207db967802b61e69ae2fdf6c8
[INFO] sha for GitHub repo tgandrews/synacor-rs: 7a38ad4f4393be207db967802b61e69ae2fdf6c8
[INFO] validating manifest of tgandrews/synacor-rs on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of tgandrews/synacor-rs on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing tgandrews/synacor-rs
[INFO] finished frobbing tgandrews/synacor-rs
[INFO] frobbed toml for tgandrews/synacor-rs written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/tgandrews/synacor-rs/Cargo.toml
[INFO] started frobbing tgandrews/synacor-rs
[INFO] finished frobbing tgandrews/synacor-rs
[INFO] frobbed toml for tgandrews/synacor-rs written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/tgandrews/synacor-rs/Cargo.toml
[INFO] crate tgandrews/synacor-rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing tgandrews/synacor-rs against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-2/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/tgandrews/synacor-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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"`
[INFO] [stdout] 363f1977f7af269cd33d5c78204454e14e8bd02c67ff9f84bda00295b6160d9c
[INFO] running `"docker" "start" "-a" "363f1977f7af269cd33d5c78204454e14e8bd02c67ff9f84bda00295b6160d9c"`
[INFO] [stderr]    Compiling synacor-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:221:17
[INFO] [stderr]     |
[INFO] [stderr] 221 |                 stdin.lock().read_line(&mut line);
[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 1.29s
[INFO] running `"docker" "inspect" "363f1977f7af269cd33d5c78204454e14e8bd02c67ff9f84bda00295b6160d9c"`
[INFO] running `"docker" "rm" "-f" "363f1977f7af269cd33d5c78204454e14e8bd02c67ff9f84bda00295b6160d9c"`
[INFO] [stdout] 363f1977f7af269cd33d5c78204454e14e8bd02c67ff9f84bda00295b6160d9c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-2/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/tgandrews/synacor-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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] ba63b3f111cb56838fa6ca349ff27361a3e6470aefb8247e713868a76c991eda
[INFO] running `"docker" "start" "-a" "ba63b3f111cb56838fa6ca349ff27361a3e6470aefb8247e713868a76c991eda"`
[INFO] [stderr]    Compiling synacor-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:221:17
[INFO] [stderr]     |
[INFO] [stderr] 221 |                 stdin.lock().read_line(&mut line);
[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 0.79s
[INFO] running `"docker" "inspect" "ba63b3f111cb56838fa6ca349ff27361a3e6470aefb8247e713868a76c991eda"`
[INFO] running `"docker" "rm" "-f" "ba63b3f111cb56838fa6ca349ff27361a3e6470aefb8247e713868a76c991eda"`
[INFO] [stdout] ba63b3f111cb56838fa6ca349ff27361a3e6470aefb8247e713868a76c991eda
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-2/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/tgandrews/synacor-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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen"`
[INFO] [stdout] c802a59f462f125d35ede38bff806642441899a3a61fb04d41a1ce7c7557c06c
[INFO] running `"docker" "start" "-a" "c802a59f462f125d35ede38bff806642441899a3a61fb04d41a1ce7c7557c06c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/synacor_rs-475cee98c8561bdd
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "c802a59f462f125d35ede38bff806642441899a3a61fb04d41a1ce7c7557c06c"`
[INFO] running `"docker" "rm" "-f" "c802a59f462f125d35ede38bff806642441899a3a61fb04d41a1ce7c7557c06c"`
[INFO] [stdout] c802a59f462f125d35ede38bff806642441899a3a61fb04d41a1ce7c7557c06c