Dec 19 11:04:33.511 INFO checking pfernie/synacor-rs against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 11:04:33.511 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-6/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/pfernie/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 11:04:34.038 INFO [stdout] 4eb0b3dfb0bb8cd5543fc3496cd2e99746999fe857557876f7dc20c4b69ccf8d
Dec 19 11:04:34.044 INFO running `"docker" "start" "-a" "4eb0b3dfb0bb8cd5543fc3496cd2e99746999fe857557876f7dc20c4b69ccf8d"`
Dec 19 11:04:35.864 INFO [stderr]     Checking try_from v0.2.1
Dec 19 11:04:35.864 INFO [stderr]    Compiling backtrace-sys v0.1.5
Dec 19 11:04:35.869 INFO [stderr]     Checking env_logger v0.4.0
Dec 19 11:04:37.360 INFO [stderr]     Checking backtrace v0.3.0
Dec 19 11:04:37.821 INFO [stderr]     Checking error-chain v0.7.2
Dec 19 11:04:38.287 INFO [stderr]     Checking synacor v0.1.0 (/opt/crater/workdir)
Dec 19 11:04:39.124 INFO [stderr] warning: unused variable: `t`
Dec 19 11:04:39.124 INFO [stderr]   --> src/bin/foo.rs:46:9
Dec 19 11:04:39.124 INFO [stderr]    |
Dec 19 11:04:39.124 INFO [stderr] 46 |     let t = thread::Builder::new().stack_size(1024 * 1024 * 32).spawn(move || {
Dec 19 11:04:39.124 INFO [stderr]    |         ^ help: consider using `_t` instead
Dec 19 11:04:39.124 INFO [stderr]    |
Dec 19 11:04:39.124 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 11:04:39.124 INFO [stderr] 
Dec 19 11:04:39.280 INFO [stderr] warning: unused variable: `t`
Dec 19 11:04:39.280 INFO [stderr]   --> src/bin/foo.rs:46:9
Dec 19 11:04:39.280 INFO [stderr]    |
Dec 19 11:04:39.280 INFO [stderr] 46 |     let t = thread::Builder::new().stack_size(1024 * 1024 * 32).spawn(move || {
Dec 19 11:04:39.280 INFO [stderr]    |         ^ help: consider using `_t` instead
Dec 19 11:04:39.280 INFO [stderr]    |
Dec 19 11:04:39.280 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 11:04:39.280 INFO [stderr] 
Dec 19 11:04:39.604 INFO [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
Dec 19 11:04:39.604 INFO [stderr]  --> src/debugger/mod.rs:4:5
Dec 19 11:04:39.604 INFO [stderr]   |
Dec 19 11:04:39.604 INFO [stderr] 4 | use std::ascii::AsciiExt;
Dec 19 11:04:39.604 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 19 11:04:39.604 INFO [stderr]   |
Dec 19 11:04:39.604 INFO [stderr]   = note: #[warn(deprecated)] on by default
Dec 19 11:04:39.604 INFO [stderr] 
Dec 19 11:04:39.664 INFO [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
Dec 19 11:04:39.664 INFO [stderr]  --> src/debugger/mod.rs:4:5
Dec 19 11:04:39.664 INFO [stderr]   |
Dec 19 11:04:39.664 INFO [stderr] 4 | use std::ascii::AsciiExt;
Dec 19 11:04:39.664 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 19 11:04:39.664 INFO [stderr]   |
Dec 19 11:04:39.664 INFO [stderr]   = note: #[warn(deprecated)] on by default
Dec 19 11:04:39.664 INFO [stderr] 
Dec 19 11:04:40.103 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 19 11:04:40.103 INFO [stderr]   --> src/errors.rs:2:1
Dec 19 11:04:40.103 INFO [stderr]    |
Dec 19 11:04:40.103 INFO [stderr] 2  | / error_chain!{
Dec 19 11:04:40.103 INFO [stderr] 3  | |     foreign_links {
Dec 19 11:04:40.103 INFO [stderr] 4  | |         Io(::std::io::Error);
Dec 19 11:04:40.103 INFO [stderr] 5  | |         ParseInt(::std::num::ParseIntError);
Dec 19 11:04:40.103 INFO [stderr] ...  |
Dec 19 11:04:40.103 INFO [stderr] 41 | |     }
Dec 19 11:04:40.103 INFO [stderr] 42 | | }
Dec 19 11:04:40.103 INFO [stderr]    | |_^
Dec 19 11:04:40.103 INFO [stderr]    |
Dec 19 11:04:40.103 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 11:04:40.103 INFO [stderr] 
Dec 19 11:04:40.117 INFO [stderr] warning: unused import: `std::ascii::AsciiExt`
Dec 19 11:04:40.117 INFO [stderr]  --> src/debugger/mod.rs:4:5
Dec 19 11:04:40.117 INFO [stderr]   |
Dec 19 11:04:40.117 INFO [stderr] 4 | use std::ascii::AsciiExt;
Dec 19 11:04:40.117 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 19 11:04:40.117 INFO [stderr]   |
Dec 19 11:04:40.117 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 11:04:40.118 INFO [stderr] 
Dec 19 11:04:40.304 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 19 11:04:40.304 INFO [stderr]   --> src/errors.rs:2:1
Dec 19 11:04:40.304 INFO [stderr]    |
Dec 19 11:04:40.304 INFO [stderr] 2  | / error_chain!{
Dec 19 11:04:40.304 INFO [stderr] 3  | |     foreign_links {
Dec 19 11:04:40.304 INFO [stderr] 4  | |         Io(::std::io::Error);
Dec 19 11:04:40.304 INFO [stderr] 5  | |         ParseInt(::std::num::ParseIntError);
Dec 19 11:04:40.304 INFO [stderr] ...  |
Dec 19 11:04:40.304 INFO [stderr] 41 | |     }
Dec 19 11:04:40.304 INFO [stderr] 42 | | }
Dec 19 11:04:40.304 INFO [stderr]    | |_^
Dec 19 11:04:40.304 INFO [stderr]    |
Dec 19 11:04:40.304 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 11:04:40.304 INFO [stderr] 
Dec 19 11:04:40.324 INFO [stderr] warning: unused import: `std::ascii::AsciiExt`
Dec 19 11:04:40.324 INFO [stderr]  --> src/debugger/mod.rs:4:5
Dec 19 11:04:40.324 INFO [stderr]   |
Dec 19 11:04:40.324 INFO [stderr] 4 | use std::ascii::AsciiExt;
Dec 19 11:04:40.324 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 19 11:04:40.324 INFO [stderr]   |
Dec 19 11:04:40.324 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 11:04:40.324 INFO [stderr] 
Dec 19 11:04:40.692 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.95s
Dec 19 11:04:41.070 INFO running `"docker" "inspect" "4eb0b3dfb0bb8cd5543fc3496cd2e99746999fe857557876f7dc20c4b69ccf8d"`
Dec 19 11:04:41.196 INFO running `"docker" "rm" "-f" "4eb0b3dfb0bb8cd5543fc3496cd2e99746999fe857557876f7dc20c4b69ccf8d"`
Dec 19 11:04:41.404 INFO [stdout] 4eb0b3dfb0bb8cd5543fc3496cd2e99746999fe857557876f7dc20c4b69ccf8d