Dec 18 03:44:56.339 INFO checking astlouisf/krampus against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 03:44:56.339 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/astlouisf/krampus:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 03:44:56.530 INFO [stdout] 961aa60649f0d586040a91ca38a4cdcda28c577a8226807163e6d6138617f456
Dec 18 03:44:56.538 INFO running `"docker" "start" "-a" "961aa60649f0d586040a91ca38a4cdcda28c577a8226807163e6d6138617f456"`
Dec 18 03:44:57.216 INFO [stderr]    Compiling openssl v0.9.21
Dec 18 03:44:57.218 INFO [stderr]    Compiling openssl-sys v0.9.21
Dec 18 03:44:57.219 INFO [stderr]     Checking csv-core v0.1.3
Dec 18 03:44:57.220 INFO [stderr]     Checking docopt v0.8.1
Dec 18 03:44:57.872 INFO [stderr]     Checking csv v1.0.0-beta.5
Dec 18 03:45:02.612 INFO [stderr]     Checking native-tls v0.1.4
Dec 18 03:45:03.208 INFO [stderr]     Checking lettre v0.7.0
Dec 18 03:45:04.752 INFO [stderr]     Checking krampus v0.1.0 (/opt/crater/workdir)
Dec 18 03:45:06.076 INFO [stderr] warning: unused import: `lettre::smtp::SUBMISSION_PORT`
Dec 18 03:45:06.076 INFO [stderr]   --> src/main.rs:17:5
Dec 18 03:45:06.076 INFO [stderr]    |
Dec 18 03:45:06.076 INFO [stderr] 17 | use lettre::smtp::SUBMISSION_PORT;
Dec 18 03:45:06.076 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 03:45:06.076 INFO [stderr]    |
Dec 18 03:45:06.076 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 18 03:45:06.076 INFO [stderr] 
Dec 18 03:45:06.112 INFO [stderr] warning: unused import: `lettre::smtp::SUBMISSION_PORT`
Dec 18 03:45:06.112 INFO [stderr]   --> src/main.rs:17:5
Dec 18 03:45:06.112 INFO [stderr]    |
Dec 18 03:45:06.112 INFO [stderr] 17 | use lettre::smtp::SUBMISSION_PORT;
Dec 18 03:45:06.112 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 03:45:06.112 INFO [stderr]    |
Dec 18 03:45:06.112 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 18 03:45:06.112 INFO [stderr] 
Dec 18 03:45:06.352 INFO [stderr] warning: unused variable: `n`
Dec 18 03:45:06.352 INFO [stderr]    --> src/main.rs:115:14
Dec 18 03:45:06.352 INFO [stderr]     |
Dec 18 03:45:06.352 INFO [stderr] 115 |         Some(n) => panic!("Not enough themes"),
Dec 18 03:45:06.352 INFO [stderr]     |              ^ help: consider using `_n` instead
Dec 18 03:45:06.352 INFO [stderr]     |
Dec 18 03:45:06.352 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 18 03:45:06.352 INFO [stderr] 
Dec 18 03:45:06.352 INFO [stderr] warning: unused variable: `sender`
Dec 18 03:45:06.352 INFO [stderr]    --> src/main.rs:162:17
Dec 18 03:45:06.352 INFO [stderr]     |
Dec 18 03:45:06.352 INFO [stderr] 162 |         let mut sender = FileEmailTransport::new(dir);
Dec 18 03:45:06.352 INFO [stderr]     |                 ^^^^^^ help: consider using `_sender` instead
Dec 18 03:45:06.352 INFO [stderr] 
Dec 18 03:45:06.480 INFO [stderr] warning: variable does not need to be mutable
Dec 18 03:45:06.481 INFO [stderr]    --> src/main.rs:147:9
Dec 18 03:45:06.481 INFO [stderr]     |
Dec 18 03:45:06.481 INFO [stderr] 147 |     let mut emails : Vec<SimpleSendableEmail> = matches
Dec 18 03:45:06.481 INFO [stderr]     |         ----^^^^^^
Dec 18 03:45:06.481 INFO [stderr]     |         |
Dec 18 03:45:06.481 INFO [stderr]     |         help: remove this `mut`
Dec 18 03:45:06.481 INFO [stderr]     |
Dec 18 03:45:06.481 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 18 03:45:06.481 INFO [stderr] 
Dec 18 03:45:06.481 INFO [stderr] warning: variable does not need to be mutable
Dec 18 03:45:06.481 INFO [stderr]    --> src/main.rs:162:13
Dec 18 03:45:06.481 INFO [stderr]     |
Dec 18 03:45:06.481 INFO [stderr] 162 |         let mut sender = FileEmailTransport::new(dir);
Dec 18 03:45:06.481 INFO [stderr]     |             ----^^^^^^
Dec 18 03:45:06.481 INFO [stderr]     |             |
Dec 18 03:45:06.481 INFO [stderr]     |             help: remove this `mut`
Dec 18 03:45:06.481 INFO [stderr] 
Dec 18 03:45:06.491 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 03:45:06.491 INFO [stderr]    --> src/main.rs:127:5
Dec 18 03:45:06.491 INFO [stderr]     |
Dec 18 03:45:06.491 INFO [stderr] 127 |     handlebars.register_template_file(template_name, template_file);
Dec 18 03:45:06.491 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 03:45:06.491 INFO [stderr]     |
Dec 18 03:45:06.491 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 18 03:45:06.491 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 03:45:06.491 INFO [stderr] 
Dec 18 03:45:06.491 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 03:45:06.491 INFO [stderr]    --> src/main.rs:178:13
Dec 18 03:45:06.491 INFO [stderr]     |
Dec 18 03:45:06.491 INFO [stderr] 178 |             mailer.send(&email);
Dec 18 03:45:06.491 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^
Dec 18 03:45:06.491 INFO [stderr]     |
Dec 18 03:45:06.496 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 03:45:06.496 INFO [stderr] 
Dec 18 03:45:06.513 INFO [stderr] warning: unused variable: `n`
Dec 18 03:45:06.514 INFO [stderr]    --> src/main.rs:115:14
Dec 18 03:45:06.514 INFO [stderr]     |
Dec 18 03:45:06.514 INFO [stderr] 115 |         Some(n) => panic!("Not enough themes"),
Dec 18 03:45:06.514 INFO [stderr]     |              ^ help: consider using `_n` instead
Dec 18 03:45:06.514 INFO [stderr]     |
Dec 18 03:45:06.514 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 18 03:45:06.514 INFO [stderr] 
Dec 18 03:45:06.516 INFO [stderr] warning: unused variable: `sender`
Dec 18 03:45:06.516 INFO [stderr]    --> src/main.rs:162:17
Dec 18 03:45:06.516 INFO [stderr]     |
Dec 18 03:45:06.516 INFO [stderr] 162 |         let mut sender = FileEmailTransport::new(dir);
Dec 18 03:45:06.516 INFO [stderr]     |                 ^^^^^^ help: consider using `_sender` instead
Dec 18 03:45:06.516 INFO [stderr] 
Dec 18 03:45:06.760 INFO [stderr] warning: variable does not need to be mutable
Dec 18 03:45:06.760 INFO [stderr]    --> src/main.rs:147:9
Dec 18 03:45:06.760 INFO [stderr]     |
Dec 18 03:45:06.760 INFO [stderr] 147 |     let mut emails : Vec<SimpleSendableEmail> = matches
Dec 18 03:45:06.760 INFO [stderr]     |         ----^^^^^^
Dec 18 03:45:06.760 INFO [stderr]     |         |
Dec 18 03:45:06.760 INFO [stderr]     |         help: remove this `mut`
Dec 18 03:45:06.760 INFO [stderr]     |
Dec 18 03:45:06.760 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 18 03:45:06.760 INFO [stderr] 
Dec 18 03:45:06.760 INFO [stderr] warning: variable does not need to be mutable
Dec 18 03:45:06.760 INFO [stderr]    --> src/main.rs:162:13
Dec 18 03:45:06.760 INFO [stderr]     |
Dec 18 03:45:06.760 INFO [stderr] 162 |         let mut sender = FileEmailTransport::new(dir);
Dec 18 03:45:06.760 INFO [stderr]     |             ----^^^^^^
Dec 18 03:45:06.760 INFO [stderr]     |             |
Dec 18 03:45:06.760 INFO [stderr]     |             help: remove this `mut`
Dec 18 03:45:06.760 INFO [stderr] 
Dec 18 03:45:06.763 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 03:45:06.764 INFO [stderr]    --> src/main.rs:127:5
Dec 18 03:45:06.764 INFO [stderr]     |
Dec 18 03:45:06.764 INFO [stderr] 127 |     handlebars.register_template_file(template_name, template_file);
Dec 18 03:45:06.764 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 03:45:06.764 INFO [stderr]     |
Dec 18 03:45:06.764 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 18 03:45:06.764 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 03:45:06.764 INFO [stderr] 
Dec 18 03:45:06.764 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 03:45:06.764 INFO [stderr]    --> src/main.rs:178:13
Dec 18 03:45:06.764 INFO [stderr]     |
Dec 18 03:45:06.764 INFO [stderr] 178 |             mailer.send(&email);
Dec 18 03:45:06.764 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^
Dec 18 03:45:06.764 INFO [stderr]     |
Dec 18 03:45:06.764 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 03:45:06.764 INFO [stderr] 
Dec 18 03:45:06.804 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.71s
Dec 18 03:45:07.544 INFO running `"docker" "inspect" "961aa60649f0d586040a91ca38a4cdcda28c577a8226807163e6d6138617f456"`
Dec 18 03:45:07.890 INFO running `"docker" "rm" "-f" "961aa60649f0d586040a91ca38a4cdcda28c577a8226807163e6d6138617f456"`
Dec 18 03:45:08.152 INFO [stdout] 961aa60649f0d586040a91ca38a4cdcda28c577a8226807163e6d6138617f456