Dec 12 13:15:57.269 INFO checking hexyl-0.2.0 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 13:15:57.269 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-7/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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"`
Dec 12 13:15:57.450 INFO [stdout] b871464bbdf5e52769a87d8490a187abec577882a3c8f184b38e06ada55610b3
Dec 12 13:15:57.452 INFO running `"docker" "start" "-a" "b871464bbdf5e52769a87d8490a187abec577882a3c8f184b38e06ada55610b3"`
Dec 12 13:15:57.894 INFO [stderr] usermod: no changes
Dec 12 13:15:57.972 INFO [stderr]     Checking clap v2.32.0
Dec 12 13:16:02.269 INFO [stderr]     Checking hexyl v0.2.0 (/source)
Dec 12 13:16:03.768 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 13:16:03.768 INFO [stderr]   --> src/main.rs:92:9
Dec 12 13:16:03.768 INFO [stderr]    |
Dec 12 13:16:03.768 INFO [stderr] 92 | /         writeln!(
Dec 12 13:16:03.768 INFO [stderr] 93 | |             self.stdout,
Dec 12 13:16:03.768 INFO [stderr] 94 | |             "┌{}┬{}┬{}┬{}┐",
Dec 12 13:16:03.768 INFO [stderr] 95 | |             "─".repeat(3 * 8 + 1),
Dec 12 13:16:03.768 INFO [stderr] ...  |
Dec 12 13:16:03.768 INFO [stderr] 98 | |             "─".repeat(8)
Dec 12 13:16:03.768 INFO [stderr] 99 | |         );
Dec 12 13:16:03.768 INFO [stderr]    | |__________^
Dec 12 13:16:03.768 INFO [stderr]    |
Dec 12 13:16:03.768 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 12 13:16:03.768 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 13:16:03.768 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 12 13:16:03.768 INFO [stderr] 
Dec 12 13:16:03.768 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 13:16:03.768 INFO [stderr]    --> src/main.rs:103:9
Dec 12 13:16:03.768 INFO [stderr]     |
Dec 12 13:16:03.768 INFO [stderr] 103 | /         writeln!(
Dec 12 13:16:03.768 INFO [stderr] 104 | |             self.stdout,
Dec 12 13:16:03.768 INFO [stderr] 105 | |             "└{}┴{}┴{}┴{}┘",
Dec 12 13:16:03.768 INFO [stderr] 106 | |             "─".repeat(3 * 8 + 1),
Dec 12 13:16:03.768 INFO [stderr] ...   |
Dec 12 13:16:03.768 INFO [stderr] 109 | |             "─".repeat(8)
Dec 12 13:16:03.768 INFO [stderr] 110 | |         );
Dec 12 13:16:03.768 INFO [stderr]     | |__________^
Dec 12 13:16:03.768 INFO [stderr]     |
Dec 12 13:16:03.769 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 13:16:03.769 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 12 13:16:03.769 INFO [stderr] 
Dec 12 13:16:03.769 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 13:16:03.769 INFO [stderr]    --> src/main.rs:115:13
Dec 12 13:16:03.769 INFO [stderr]     |
Dec 12 13:16:03.769 INFO [stderr] 115 |             write!(self.stdout, "│ ");
Dec 12 13:16:03.769 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 13:16:03.769 INFO [stderr]     |
Dec 12 13:16:03.769 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 13:16:03.769 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 12 13:16:03.769 INFO [stderr] 
Dec 12 13:16:03.769 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 13:16:03.769 INFO [stderr]    --> src/main.rs:159:17
Dec 12 13:16:03.769 INFO [stderr]     |
Dec 12 13:16:03.769 INFO [stderr] 159 |                 write!(self.stdout, "┊");
Dec 12 13:16:03.769 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 13:16:03.769 INFO [stderr]     |
Dec 12 13:16:03.769 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 13:16:03.769 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 12 13:16:03.769 INFO [stderr] 
Dec 12 13:16:03.931 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 13:16:03.931 INFO [stderr]   --> src/main.rs:92:9
Dec 12 13:16:03.931 INFO [stderr]    |
Dec 12 13:16:03.931 INFO [stderr] 92 | /         writeln!(
Dec 12 13:16:03.931 INFO [stderr] 93 | |             self.stdout,
Dec 12 13:16:03.931 INFO [stderr] 94 | |             "┌{}┬{}┬{}┬{}┐",
Dec 12 13:16:03.931 INFO [stderr] 95 | |             "─".repeat(3 * 8 + 1),
Dec 12 13:16:03.931 INFO [stderr] ...  |
Dec 12 13:16:03.931 INFO [stderr] 98 | |             "─".repeat(8)
Dec 12 13:16:03.931 INFO [stderr] 99 | |         );
Dec 12 13:16:03.931 INFO [stderr]    | |__________^
Dec 12 13:16:03.931 INFO [stderr]    |
Dec 12 13:16:03.931 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 12 13:16:03.931 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 13:16:03.931 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 12 13:16:03.931 INFO [stderr] 
Dec 12 13:16:03.931 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 13:16:03.931 INFO [stderr]    --> src/main.rs:103:9
Dec 12 13:16:03.931 INFO [stderr]     |
Dec 12 13:16:03.931 INFO [stderr] 103 | /         writeln!(
Dec 12 13:16:03.931 INFO [stderr] 104 | |             self.stdout,
Dec 12 13:16:03.931 INFO [stderr] 105 | |             "└{}┴{}┴{}┴{}┘",
Dec 12 13:16:03.931 INFO [stderr] 106 | |             "─".repeat(3 * 8 + 1),
Dec 12 13:16:03.931 INFO [stderr] ...   |
Dec 12 13:16:03.931 INFO [stderr] 109 | |             "─".repeat(8)
Dec 12 13:16:03.931 INFO [stderr] 110 | |         );
Dec 12 13:16:03.931 INFO [stderr]     | |__________^
Dec 12 13:16:03.932 INFO [stderr]     |
Dec 12 13:16:03.932 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 13:16:03.932 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 12 13:16:03.932 INFO [stderr] 
Dec 12 13:16:03.932 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 13:16:03.932 INFO [stderr]    --> src/main.rs:115:13
Dec 12 13:16:03.932 INFO [stderr]     |
Dec 12 13:16:03.932 INFO [stderr] 115 |             write!(self.stdout, "│ ");
Dec 12 13:16:03.932 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 13:16:03.932 INFO [stderr]     |
Dec 12 13:16:03.932 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 13:16:03.932 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 12 13:16:03.932 INFO [stderr] 
Dec 12 13:16:03.932 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 13:16:03.932 INFO [stderr]    --> src/main.rs:159:17
Dec 12 13:16:03.932 INFO [stderr]     |
Dec 12 13:16:03.932 INFO [stderr] 159 |                 write!(self.stdout, "┊");
Dec 12 13:16:03.932 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 13:16:03.932 INFO [stderr]     |
Dec 12 13:16:03.932 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 13:16:03.932 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 12 13:16:03.932 INFO [stderr] 
Dec 12 13:16:03.950 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.03s
Dec 12 13:16:03.957 INFO [stderr] su: No module specific data is present
Dec 12 13:16:04.459 INFO running `"docker" "inspect" "b871464bbdf5e52769a87d8490a187abec577882a3c8f184b38e06ada55610b3"`
Dec 12 13:16:04.561 INFO running `"docker" "rm" "-f" "b871464bbdf5e52769a87d8490a187abec577882a3c8f184b38e06ada55610b3"`
Dec 12 13:16:04.782 INFO [stdout] b871464bbdf5e52769a87d8490a187abec577882a3c8f184b38e06ada55610b3