Nov 29 16:48:45.413 INFO checking tercen/rustson against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 29 16:48:45.414 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-3/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +32252761328f59ccfadb1bafb8148c685bc830b3-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 29 16:48:45.932 INFO [stdout] 298662c5def8c1b090ed2624ccee8def23d7190c9c78ebb255c8065863c183ba
Nov 29 16:48:45.934 INFO running `"docker" "start" "-a" "298662c5def8c1b090ed2624ccee8def23d7190c9c78ebb255c8065863c183ba"`
Nov 29 16:48:48.332 INFO [stderr] usermod: no changes
Nov 29 16:48:48.432 INFO [stderr]     Checking rustson v0.1.0 (/source)
Nov 29 16:48:48.907 INFO [stderr] warning: unused import: `std::fs::File`
Nov 29 16:48:48.907 INFO [stderr]    --> src/lib.rs:456:9
Nov 29 16:48:48.907 INFO [stderr]     |
Nov 29 16:48:48.908 INFO [stderr] 456 |     use std::fs::File;
Nov 29 16:48:48.908 INFO [stderr]     |         ^^^^^^^^^^^^^
Nov 29 16:48:48.909 INFO [stderr]     |
Nov 29 16:48:48.909 INFO [stderr]     = note: #[warn(unused_imports)] on by default
Nov 29 16:48:48.909 INFO [stderr] 
Nov 29 16:48:48.910 INFO [stderr] warning: unused import: `std::io::prelude::*`
Nov 29 16:48:48.910 INFO [stderr]    --> src/lib.rs:457:9
Nov 29 16:48:48.911 INFO [stderr]     |
Nov 29 16:48:48.911 INFO [stderr] 457 |     use std::io::prelude::*;
Nov 29 16:48:48.911 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^
Nov 29 16:48:48.912 INFO [stderr] 
Nov 29 16:48:49.276 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 16:48:49.277 INFO [stderr]    --> src/lib.rs:133:17
Nov 29 16:48:49.277 INFO [stderr]     |
Nov 29 16:48:49.277 INFO [stderr] 133 |                 add_object(v, buf);
Nov 29 16:48:49.278 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^
Nov 29 16:48:49.278 INFO [stderr]     |
Nov 29 16:48:49.278 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 29 16:48:49.279 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 16:48:49.279 INFO [stderr] 
Nov 29 16:48:49.368 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 16:48:49.369 INFO [stderr]    --> src/lib.rs:133:17
Nov 29 16:48:49.369 INFO [stderr]     |
Nov 29 16:48:49.369 INFO [stderr] 133 |                 add_object(v, buf);
Nov 29 16:48:49.369 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^
Nov 29 16:48:49.370 INFO [stderr]     |
Nov 29 16:48:49.370 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 29 16:48:49.370 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 16:48:49.371 INFO [stderr] 
Nov 29 16:48:49.430 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.07s
Nov 29 16:48:49.453 INFO [stderr] su: No module specific data is present
Nov 29 16:48:50.553 INFO running `"docker" "inspect" "298662c5def8c1b090ed2624ccee8def23d7190c9c78ebb255c8065863c183ba"`
Nov 29 16:48:50.888 INFO running `"docker" "rm" "-f" "298662c5def8c1b090ed2624ccee8def23d7190c9c78ebb255c8065863c183ba"`
Nov 29 16:48:51.252 INFO [stdout] 298662c5def8c1b090ed2624ccee8def23d7190c9c78ebb255c8065863c183ba