Dec 12 00:54:55.542 INFO checking PhilipDaniels/stock_prices against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 00:54:55.542 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-0/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 00:54:55.996 INFO [stdout] 2ce7774f5a5017e41d739b4e6d860b5ee13aa29034c8a2ab33ce22c548f18db3
Dec 12 00:54:56.000 INFO running `"docker" "start" "-a" "2ce7774f5a5017e41d739b4e6d860b5ee13aa29034c8a2ab33ce22c548f18db3"`
Dec 12 00:54:57.208 INFO [stderr] usermod: no changes
Dec 12 00:54:57.748 INFO [stderr]     Checking csv v1.0.0
Dec 12 00:54:59.597 INFO [stderr]     Checking stock_prices v0.1.0 (/source)
Dec 12 00:55:08.684 INFO [stderr] warning: unused `#[macro_use]` import
Dec 12 00:55:08.684 INFO [stderr]  --> src/main.rs:6:1
Dec 12 00:55:08.684 INFO [stderr]   |
Dec 12 00:55:08.684 INFO [stderr] 6 | #[macro_use] extern crate structopt;
Dec 12 00:55:08.684 INFO [stderr]   | ^^^^^^^^^^^^
Dec 12 00:55:08.684 INFO [stderr]   |
Dec 12 00:55:08.684 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 00:55:08.684 INFO [stderr] 
Dec 12 00:55:08.759 INFO [stderr] warning: unused `#[macro_use]` import
Dec 12 00:55:08.759 INFO [stderr]  --> src/main.rs:6:1
Dec 12 00:55:08.759 INFO [stderr]   |
Dec 12 00:55:08.759 INFO [stderr] 6 | #[macro_use] extern crate structopt;
Dec 12 00:55:08.759 INFO [stderr]   | ^^^^^^^^^^^^
Dec 12 00:55:08.759 INFO [stderr]   |
Dec 12 00:55:08.759 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 00:55:08.759 INFO [stderr] 
Dec 12 00:55:08.762 INFO [stderr] warning: unused import: `std::error::Error`
Dec 12 00:55:08.762 INFO [stderr]    --> src/main.rs:492:9
Dec 12 00:55:08.762 INFO [stderr]     |
Dec 12 00:55:08.762 INFO [stderr] 492 |     use std::error::Error;
Dec 12 00:55:08.762 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^
Dec 12 00:55:08.764 INFO [stderr] 
Dec 12 00:55:08.764 INFO [stderr] warning: unused import: `StockPriceError`
Dec 12 00:55:08.764 INFO [stderr]    --> src/main.rs:493:9
Dec 12 00:55:08.764 INFO [stderr]     |
Dec 12 00:55:08.764 INFO [stderr] 493 |     use StockPriceError;
Dec 12 00:55:08.764 INFO [stderr]     |         ^^^^^^^^^^^^^^^
Dec 12 00:55:08.764 INFO [stderr] 
Dec 12 00:55:09.226 INFO [stderr] warning: unused variable: `prices`
Dec 12 00:55:09.227 INFO [stderr]    --> src/main.rs:213:13
Dec 12 00:55:09.227 INFO [stderr]     |
Dec 12 00:55:09.227 INFO [stderr] 213 |     let mut prices: Vec<Price> = read_csv(&file, args.print).expect("Could not read price.csv");
Dec 12 00:55:09.227 INFO [stderr]     |             ^^^^^^ help: consider using `_prices` instead
Dec 12 00:55:09.227 INFO [stderr]     |
Dec 12 00:55:09.227 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 12 00:55:09.227 INFO [stderr] 
Dec 12 00:55:09.228 INFO [stderr] warning: unused variable: `msg`
Dec 12 00:55:09.228 INFO [stderr]    --> src/main.rs:123:54
Dec 12 00:55:09.228 INFO [stderr]     |
Dec 12 00:55:09.228 INFO [stderr] 123 |             StockPriceError::CannotParseDocument(ref msg) => None,
Dec 12 00:55:09.228 INFO [stderr]     |                                                      ^^^ help: consider using `_msg` instead
Dec 12 00:55:09.229 INFO [stderr] 
Dec 12 00:55:09.272 INFO [stderr] warning: unused variable: `prices`
Dec 12 00:55:09.272 INFO [stderr]    --> src/main.rs:213:13
Dec 12 00:55:09.272 INFO [stderr]     |
Dec 12 00:55:09.272 INFO [stderr] 213 |     let mut prices: Vec<Price> = read_csv(&file, args.print).expect("Could not read price.csv");
Dec 12 00:55:09.272 INFO [stderr]     |             ^^^^^^ help: consider using `_prices` instead
Dec 12 00:55:09.272 INFO [stderr]     |
Dec 12 00:55:09.272 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 12 00:55:09.272 INFO [stderr] 
Dec 12 00:55:09.273 INFO [stderr] warning: unused variable: `msg`
Dec 12 00:55:09.273 INFO [stderr]    --> src/main.rs:123:54
Dec 12 00:55:09.273 INFO [stderr]     |
Dec 12 00:55:09.273 INFO [stderr] 123 |             StockPriceError::CannotParseDocument(ref msg) => None,
Dec 12 00:55:09.273 INFO [stderr]     |                                                      ^^^ help: consider using `_msg` instead
Dec 12 00:55:09.273 INFO [stderr] 
Dec 12 00:55:09.428 INFO [stderr] warning: variable does not need to be mutable
Dec 12 00:55:09.428 INFO [stderr]    --> src/main.rs:213:9
Dec 12 00:55:09.428 INFO [stderr]     |
Dec 12 00:55:09.428 INFO [stderr] 213 |     let mut prices: Vec<Price> = read_csv(&file, args.print).expect("Could not read price.csv");
Dec 12 00:55:09.428 INFO [stderr]     |         ----^^^^^^
Dec 12 00:55:09.428 INFO [stderr]     |         |
Dec 12 00:55:09.428 INFO [stderr]     |         help: remove this `mut`
Dec 12 00:55:09.444 INFO [stderr]     |
Dec 12 00:55:09.444 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 12 00:55:09.444 INFO [stderr] 
Dec 12 00:55:09.558 INFO [stderr] warning: variable does not need to be mutable
Dec 12 00:55:09.558 INFO [stderr]    --> src/main.rs:213:9
Dec 12 00:55:09.559 INFO [stderr]     |
Dec 12 00:55:09.559 INFO [stderr] 213 |     let mut prices: Vec<Price> = read_csv(&file, args.print).expect("Could not read price.csv");
Dec 12 00:55:09.559 INFO [stderr]     |         ----^^^^^^
Dec 12 00:55:09.559 INFO [stderr]     |         |
Dec 12 00:55:09.559 INFO [stderr]     |         help: remove this `mut`
Dec 12 00:55:09.564 INFO [stderr]     |
Dec 12 00:55:09.564 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 12 00:55:09.564 INFO [stderr] 
Dec 12 00:55:09.580 INFO [stderr] warning: function is never used: `serialize`
Dec 12 00:55:09.581 INFO [stderr]    --> src/main.rs:465:5
Dec 12 00:55:09.581 INFO [stderr]     |
Dec 12 00:55:09.581 INFO [stderr] 465 | /     pub fn serialize<S>(date: &Date<Utc>, serializer: S) -> Result<S::Ok, S::Error>
Dec 12 00:55:09.581 INFO [stderr] 466 | |         where S: Serializer,
Dec 12 00:55:09.581 INFO [stderr] 467 | |     {
Dec 12 00:55:09.581 INFO [stderr] 468 | |         let s = format!("{}", date.format(FORMAT));
Dec 12 00:55:09.581 INFO [stderr] 469 | |         serializer.serialize_str(&s)
Dec 12 00:55:09.581 INFO [stderr] 470 | |     }
Dec 12 00:55:09.581 INFO [stderr]     | |_____^
Dec 12 00:55:09.596 INFO [stderr]     |
Dec 12 00:55:09.596 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 12 00:55:09.596 INFO [stderr] 
Dec 12 00:55:09.615 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 00:55:09.615 INFO [stderr]    --> src/main.rs:232:13
Dec 12 00:55:09.615 INFO [stderr]     |
Dec 12 00:55:09.615 INFO [stderr] 232 |             writeln!(file, "{}", error);
Dec 12 00:55:09.615 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 00:55:09.615 INFO [stderr]     |
Dec 12 00:55:09.615 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 12 00:55:09.615 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 00:55:09.615 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 00:55:09.615 INFO [stderr] 
Dec 12 00:55:09.698 INFO [stderr] warning: function is never used: `serialize`
Dec 12 00:55:09.698 INFO [stderr]    --> src/main.rs:465:5
Dec 12 00:55:09.698 INFO [stderr]     |
Dec 12 00:55:09.698 INFO [stderr] 465 | /     pub fn serialize<S>(date: &Date<Utc>, serializer: S) -> Result<S::Ok, S::Error>
Dec 12 00:55:09.698 INFO [stderr] 466 | |         where S: Serializer,
Dec 12 00:55:09.699 INFO [stderr] 467 | |     {
Dec 12 00:55:09.699 INFO [stderr] 468 | |         let s = format!("{}", date.format(FORMAT));
Dec 12 00:55:09.700 INFO [stderr] 469 | |         serializer.serialize_str(&s)
Dec 12 00:55:09.700 INFO [stderr] 470 | |     }
Dec 12 00:55:09.700 INFO [stderr]     | |_____^
Dec 12 00:55:09.700 INFO [stderr]     |
Dec 12 00:55:09.700 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 12 00:55:09.700 INFO [stderr] 
Dec 12 00:55:09.708 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 00:55:09.708 INFO [stderr]    --> src/main.rs:232:13
Dec 12 00:55:09.708 INFO [stderr]     |
Dec 12 00:55:09.708 INFO [stderr] 232 |             writeln!(file, "{}", error);
Dec 12 00:55:09.709 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 00:55:09.711 INFO [stderr]     |
Dec 12 00:55:09.711 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 12 00:55:09.711 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 00:55:09.711 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 00:55:09.711 INFO [stderr] 
Dec 12 00:55:09.770 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.53s
Dec 12 00:55:09.786 INFO [stderr] su: No module specific data is present
Dec 12 00:55:10.599 INFO running `"docker" "inspect" "2ce7774f5a5017e41d739b4e6d860b5ee13aa29034c8a2ab33ce22c548f18db3"`
Dec 12 00:55:10.866 INFO running `"docker" "rm" "-f" "2ce7774f5a5017e41d739b4e6d860b5ee13aa29034c8a2ab33ce22c548f18db3"`
Dec 12 00:55:11.162 INFO [stdout] 2ce7774f5a5017e41d739b4e6d860b5ee13aa29034c8a2ab33ce22c548f18db3