Nov 30 00:07:00.174 INFO checking kevlarr/rusty-calc against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 30 00:07:00.175 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-1/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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 30 00:07:00.572 INFO [stdout] 77b05140e946a3d06fefeb70146ac49afef9c938b5edbd149d4d9eb7c12285fd
Nov 30 00:07:00.574 INFO running `"docker" "start" "-a" "77b05140e946a3d06fefeb70146ac49afef9c938b5edbd149d4d9eb7c12285fd"`
Nov 30 00:07:01.865 INFO [stderr] usermod: no changes
Nov 30 00:07:01.949 INFO [stderr]     Checking rustycalc v0.1.0 (/source)
Nov 30 00:07:02.872 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 00:07:02.872 INFO [stderr]    --> src/types/binary.rs:111:9
Nov 30 00:07:02.872 INFO [stderr]     |
Nov 30 00:07:02.872 INFO [stderr] 111 |         write!(f, "0b");
Nov 30 00:07:02.872 INFO [stderr]     |         ^^^^^^^^^^^^^^^^
Nov 30 00:07:02.872 INFO [stderr]     |
Nov 30 00:07:02.872 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 30 00:07:02.872 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 00:07:02.872 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)
Nov 30 00:07:02.872 INFO [stderr] 
Nov 30 00:07:02.872 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 00:07:02.872 INFO [stderr]    --> src/types/binary.rs:115:17
Nov 30 00:07:02.872 INFO [stderr]     |
Nov 30 00:07:02.872 INFO [stderr] 115 |                 write!(f, "_");
Nov 30 00:07:02.872 INFO [stderr]     |                 ^^^^^^^^^^^^^^^
Nov 30 00:07:02.873 INFO [stderr]     |
Nov 30 00:07:02.873 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 00:07:02.873 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)
Nov 30 00:07:02.873 INFO [stderr] 
Nov 30 00:07:02.873 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 00:07:02.873 INFO [stderr]    --> src/types/binary.rs:111:9
Nov 30 00:07:02.873 INFO [stderr]     |
Nov 30 00:07:02.873 INFO [stderr] 111 |         write!(f, "0b");
Nov 30 00:07:02.873 INFO [stderr]     |         ^^^^^^^^^^^^^^^^
Nov 30 00:07:02.873 INFO [stderr]     |
Nov 30 00:07:02.873 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 30 00:07:02.873 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 00:07:02.873 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)
Nov 30 00:07:02.873 INFO [stderr] 
Nov 30 00:07:02.873 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 00:07:02.873 INFO [stderr]    --> src/types/binary.rs:115:17
Nov 30 00:07:02.873 INFO [stderr]     |
Nov 30 00:07:02.873 INFO [stderr] 115 |                 write!(f, "_");
Nov 30 00:07:02.873 INFO [stderr]     |                 ^^^^^^^^^^^^^^^
Nov 30 00:07:02.873 INFO [stderr]     |
Nov 30 00:07:02.873 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 00:07:02.873 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)
Nov 30 00:07:02.873 INFO [stderr] 
Nov 30 00:07:03.550 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.65s
Nov 30 00:07:03.558 INFO [stderr] su: No module specific data is present
Nov 30 00:07:04.106 INFO running `"docker" "inspect" "77b05140e946a3d06fefeb70146ac49afef9c938b5edbd149d4d9eb7c12285fd"`
Nov 30 00:07:04.358 INFO running `"docker" "rm" "-f" "77b05140e946a3d06fefeb70146ac49afef9c938b5edbd149d4d9eb7c12285fd"`
Nov 30 00:07:04.532 INFO [stdout] 77b05140e946a3d06fefeb70146ac49afef9c938b5edbd149d4d9eb7c12285fd