Dec 18 03:44:57.733 INFO checking astlouisf/krampus against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 03:44:57.733 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 03:44:58.054 INFO [stdout] e1b2627bb9b1db285694bbaa04bba537b8de826f729758a6967112c13547864d
Dec 18 03:44:58.056 INFO running `"docker" "start" "-a" "e1b2627bb9b1db285694bbaa04bba537b8de826f729758a6967112c13547864d"`
Dec 18 03:44:58.974 INFO [stderr]     Checking serde_json v1.0.6
Dec 18 03:44:58.975 INFO [stderr]     Checking csv-core v0.1.3
Dec 18 03:44:58.975 INFO [stderr]     Checking regex v0.2.2
Dec 18 03:44:58.975 INFO [stderr]     Checking rust-crypto v0.2.36
Dec 18 03:44:58.979 INFO [stderr]     Checking openssl v0.9.21
Dec 18 03:45:00.728 INFO [stderr]     Checking csv v1.0.0-beta.5
Dec 18 03:45:04.036 INFO [stderr]     Checking docopt v0.8.1
Dec 18 03:45:05.700 INFO [stderr]     Checking handlebars v0.29.1
Dec 18 03:45:08.929 INFO [stderr]     Checking native-tls v0.1.4
Dec 18 03:45:11.780 INFO [stderr]     Checking lettre v0.7.0
Dec 18 03:45:13.272 INFO [stderr]     Checking krampus v0.1.0 (/opt/crater/workdir)
Dec 18 03:45:15.728 INFO [stderr] warning: unused import: `lettre::smtp::SUBMISSION_PORT`
Dec 18 03:45:15.729 INFO [stderr]   --> src/main.rs:17:5
Dec 18 03:45:15.729 INFO [stderr]    |
Dec 18 03:45:15.729 INFO [stderr] 17 | use lettre::smtp::SUBMISSION_PORT;
Dec 18 03:45:15.729 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 03:45:15.729 INFO [stderr]    |
Dec 18 03:45:15.729 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 18 03:45:15.729 INFO [stderr] 
Dec 18 03:45:15.733 INFO [stderr] warning: unused import: `lettre::smtp::SUBMISSION_PORT`
Dec 18 03:45:15.734 INFO [stderr]   --> src/main.rs:17:5
Dec 18 03:45:15.734 INFO [stderr]    |
Dec 18 03:45:15.736 INFO [stderr] 17 | use lettre::smtp::SUBMISSION_PORT;
Dec 18 03:45:15.736 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 03:45:15.736 INFO [stderr]    |
Dec 18 03:45:15.736 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 18 03:45:15.736 INFO [stderr] 
Dec 18 03:45:15.932 INFO [stderr] warning: unused variable: `n`
Dec 18 03:45:15.932 INFO [stderr]    --> src/main.rs:115:14
Dec 18 03:45:15.932 INFO [stderr]     |
Dec 18 03:45:15.932 INFO [stderr] 115 |         Some(n) => panic!("Not enough themes"),
Dec 18 03:45:15.933 INFO [stderr]     |              ^ help: consider using `_n` instead
Dec 18 03:45:15.933 INFO [stderr]     |
Dec 18 03:45:15.933 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 18 03:45:15.933 INFO [stderr] 
Dec 18 03:45:15.933 INFO [stderr] warning: unused variable: `sender`
Dec 18 03:45:15.933 INFO [stderr]    --> src/main.rs:162:17
Dec 18 03:45:15.933 INFO [stderr]     |
Dec 18 03:45:15.933 INFO [stderr] 162 |         let mut sender = FileEmailTransport::new(dir);
Dec 18 03:45:15.933 INFO [stderr]     |                 ^^^^^^ help: consider using `_sender` instead
Dec 18 03:45:15.933 INFO [stderr] 
Dec 18 03:45:16.008 INFO [stderr] warning: unused variable: `n`
Dec 18 03:45:16.009 INFO [stderr]    --> src/main.rs:115:14
Dec 18 03:45:16.009 INFO [stderr]     |
Dec 18 03:45:16.009 INFO [stderr] 115 |         Some(n) => panic!("Not enough themes"),
Dec 18 03:45:16.009 INFO [stderr]     |              ^ help: consider using `_n` instead
Dec 18 03:45:16.016 INFO [stderr]     |
Dec 18 03:45:16.016 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 18 03:45:16.016 INFO [stderr] 
Dec 18 03:45:16.016 INFO [stderr] warning: unused variable: `sender`
Dec 18 03:45:16.016 INFO [stderr]    --> src/main.rs:162:17
Dec 18 03:45:16.016 INFO [stderr]     |
Dec 18 03:45:16.016 INFO [stderr] 162 |         let mut sender = FileEmailTransport::new(dir);
Dec 18 03:45:16.016 INFO [stderr]     |                 ^^^^^^ help: consider using `_sender` instead
Dec 18 03:45:16.016 INFO [stderr] 
Dec 18 03:45:16.057 INFO [stderr] warning: variable does not need to be mutable
Dec 18 03:45:16.057 INFO [stderr]    --> src/main.rs:147:9
Dec 18 03:45:16.057 INFO [stderr]     |
Dec 18 03:45:16.057 INFO [stderr] 147 |     let mut emails : Vec<SimpleSendableEmail> = matches
Dec 18 03:45:16.057 INFO [stderr]     |         ----^^^^^^
Dec 18 03:45:16.057 INFO [stderr]     |         |
Dec 18 03:45:16.057 INFO [stderr]     |         help: remove this `mut`
Dec 18 03:45:16.057 INFO [stderr]     |
Dec 18 03:45:16.057 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 18 03:45:16.057 INFO [stderr] 
Dec 18 03:45:16.057 INFO [stderr] warning: variable does not need to be mutable
Dec 18 03:45:16.057 INFO [stderr]    --> src/main.rs:162:13
Dec 18 03:45:16.057 INFO [stderr]     |
Dec 18 03:45:16.058 INFO [stderr] 162 |         let mut sender = FileEmailTransport::new(dir);
Dec 18 03:45:16.058 INFO [stderr]     |             ----^^^^^^
Dec 18 03:45:16.058 INFO [stderr]     |             |
Dec 18 03:45:16.058 INFO [stderr]     |             help: remove this `mut`
Dec 18 03:45:16.058 INFO [stderr] 
Dec 18 03:45:16.058 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 03:45:16.058 INFO [stderr]    --> src/main.rs:127:5
Dec 18 03:45:16.058 INFO [stderr]     |
Dec 18 03:45:16.058 INFO [stderr] 127 |     handlebars.register_template_file(template_name, template_file);
Dec 18 03:45:16.058 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 03:45:16.058 INFO [stderr]     |
Dec 18 03:45:16.058 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 18 03:45:16.058 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 03:45:16.058 INFO [stderr] 
Dec 18 03:45:16.058 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 03:45:16.058 INFO [stderr]    --> src/main.rs:178:13
Dec 18 03:45:16.058 INFO [stderr]     |
Dec 18 03:45:16.058 INFO [stderr] 178 |             mailer.send(&email);
Dec 18 03:45:16.058 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^
Dec 18 03:45:16.058 INFO [stderr]     |
Dec 18 03:45:16.058 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 03:45:16.058 INFO [stderr] 
Dec 18 03:45:16.112 INFO [stderr] warning: variable does not need to be mutable
Dec 18 03:45:16.112 INFO [stderr]    --> src/main.rs:147:9
Dec 18 03:45:16.112 INFO [stderr]     |
Dec 18 03:45:16.112 INFO [stderr] 147 |     let mut emails : Vec<SimpleSendableEmail> = matches
Dec 18 03:45:16.112 INFO [stderr]     |         ----^^^^^^
Dec 18 03:45:16.112 INFO [stderr]     |         |
Dec 18 03:45:16.112 INFO [stderr]     |         help: remove this `mut`
Dec 18 03:45:16.112 INFO [stderr]     |
Dec 18 03:45:16.112 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 18 03:45:16.113 INFO [stderr] 
Dec 18 03:45:16.113 INFO [stderr] warning: variable does not need to be mutable
Dec 18 03:45:16.113 INFO [stderr]    --> src/main.rs:162:13
Dec 18 03:45:16.113 INFO [stderr]     |
Dec 18 03:45:16.113 INFO [stderr] 162 |         let mut sender = FileEmailTransport::new(dir);
Dec 18 03:45:16.113 INFO [stderr]     |             ----^^^^^^
Dec 18 03:45:16.113 INFO [stderr]     |             |
Dec 18 03:45:16.113 INFO [stderr]     |             help: remove this `mut`
Dec 18 03:45:16.113 INFO [stderr] 
Dec 18 03:45:16.121 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 03:45:16.121 INFO [stderr]    --> src/main.rs:127:5
Dec 18 03:45:16.121 INFO [stderr]     |
Dec 18 03:45:16.121 INFO [stderr] 127 |     handlebars.register_template_file(template_name, template_file);
Dec 18 03:45:16.121 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 03:45:16.121 INFO [stderr]     |
Dec 18 03:45:16.121 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 18 03:45:16.121 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 03:45:16.121 INFO [stderr] 
Dec 18 03:45:16.128 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 03:45:16.128 INFO [stderr]    --> src/main.rs:178:13
Dec 18 03:45:16.128 INFO [stderr]     |
Dec 18 03:45:16.128 INFO [stderr] 178 |             mailer.send(&email);
Dec 18 03:45:16.128 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^
Dec 18 03:45:16.128 INFO [stderr]     |
Dec 18 03:45:16.128 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 03:45:16.128 INFO [stderr] 
Dec 18 03:45:16.159 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.31s
Dec 18 03:45:16.886 INFO running `"docker" "inspect" "e1b2627bb9b1db285694bbaa04bba537b8de826f729758a6967112c13547864d"`
Dec 18 03:45:17.184 INFO running `"docker" "rm" "-f" "e1b2627bb9b1db285694bbaa04bba537b8de826f729758a6967112c13547864d"`
Dec 18 03:45:17.540 INFO [stdout] e1b2627bb9b1db285694bbaa04bba537b8de826f729758a6967112c13547864d