Oct 12 12:27:52.638 INFO checking tercen/rustson against master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f for pr-54977
Oct 12 12:27:52.640 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-5/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-5/pr-54977/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/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 +5af0bb83044c3fb43d59ad5f49ee5ae1a293901f-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"`
Oct 12 12:27:53.080 INFO blam! db52a811a6319c9d8913864062fbb7986268508d896e9704ef4dcaae014e4a1a
Oct 12 12:27:53.109 INFO running `"docker" "start" "-a" "db52a811a6319c9d8913864062fbb7986268508d896e9704ef4dcaae014e4a1a"`
Oct 12 12:27:54.456 INFO kablam! usermod: no changes
Oct 12 12:27:54.552 INFO kablam!     Checking rustson v0.1.0 (/source)
Oct 12 12:27:55.053 INFO kablam! warning: unused import: `std::fs::File`
Oct 12 12:27:55.053 INFO kablam!    --> src/lib.rs:456:9
Oct 12 12:27:55.054 INFO kablam!     |
Oct 12 12:27:55.054 INFO kablam! 456 |     use std::fs::File;
Oct 12 12:27:55.054 INFO kablam!     |         ^^^^^^^^^^^^^
Oct 12 12:27:55.054 INFO kablam!     |
Oct 12 12:27:55.055 INFO kablam!     = note: #[warn(unused_imports)] on by default
Oct 12 12:27:55.055 INFO kablam! 
Oct 12 12:27:55.055 INFO kablam! warning: unused import: `std::io::prelude::*`
Oct 12 12:27:55.056 INFO kablam!    --> src/lib.rs:457:9
Oct 12 12:27:55.056 INFO kablam!     |
Oct 12 12:27:55.056 INFO kablam! 457 |     use std::io::prelude::*;
Oct 12 12:27:55.057 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^
Oct 12 12:27:55.057 INFO kablam! 
Oct 12 12:27:55.472 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 12:27:55.472 INFO kablam!    --> src/lib.rs:133:17
Oct 12 12:27:55.472 INFO kablam!     |
Oct 12 12:27:55.472 INFO kablam! 133 |                 add_object(v, buf);
Oct 12 12:27:55.472 INFO kablam!     |                 ^^^^^^^^^^^^^^^^^^^
Oct 12 12:27:55.472 INFO kablam!     |
Oct 12 12:27:55.472 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Oct 12 12:27:55.472 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 12:27:55.472 INFO kablam! 
Oct 12 12:27:55.588 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 12:27:55.588 INFO kablam!    --> src/lib.rs:133:17
Oct 12 12:27:55.588 INFO kablam!     |
Oct 12 12:27:55.588 INFO kablam! 133 |                 add_object(v, buf);
Oct 12 12:27:55.588 INFO kablam!     |                 ^^^^^^^^^^^^^^^^^^^
Oct 12 12:27:55.588 INFO kablam!     |
Oct 12 12:27:55.588 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Oct 12 12:27:55.592 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 12:27:55.592 INFO kablam! 
Oct 12 12:27:55.624 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.13s
Oct 12 12:27:55.642 INFO kablam! su: No module specific data is present
Oct 12 12:27:56.539 INFO running `"docker" "rm" "-f" "db52a811a6319c9d8913864062fbb7986268508d896e9704ef4dcaae014e4a1a"`
Oct 12 12:27:56.752 INFO blam! db52a811a6319c9d8913864062fbb7986268508d896e9704ef4dcaae014e4a1a