Dec 18 05:58:02.139 INFO checking PhilipDaniels/stock_prices against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 05:58:02.139 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-0/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/PhilipDaniels/stock_prices:/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 05:58:02.674 INFO [stdout] ed2f9924a67517e96a71f9f7a4a562811fc034b13ee40515d9e27d6426bf9444
Dec 18 05:58:02.676 INFO running `"docker" "start" "-a" "ed2f9924a67517e96a71f9f7a4a562811fc034b13ee40515d9e27d6426bf9444"`
Dec 18 05:58:05.024 INFO [stderr]     Checking memchr v2.0.1
Dec 18 05:58:05.499 INFO [stderr]     Checking csv-core v0.1.4
Dec 18 05:58:06.252 INFO [stderr]     Checking csv v1.0.0
Dec 18 05:58:07.676 INFO [stderr]     Checking stock_prices v0.1.0 (/opt/crater/workdir)
Dec 18 05:58:10.796 INFO [stderr] warning: unused `#[macro_use]` import
Dec 18 05:58:10.796 INFO [stderr]  --> src/main.rs:6:1
Dec 18 05:58:10.796 INFO [stderr]   |
Dec 18 05:58:10.796 INFO [stderr] 6 | #[macro_use] extern crate structopt;
Dec 18 05:58:10.796 INFO [stderr]   | ^^^^^^^^^^^^
Dec 18 05:58:10.797 INFO [stderr]   |
Dec 18 05:58:10.797 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 05:58:10.797 INFO [stderr] 
Dec 18 05:58:10.812 INFO [stderr] warning: unused `#[macro_use]` import
Dec 18 05:58:10.812 INFO [stderr]  --> src/main.rs:6:1
Dec 18 05:58:10.812 INFO [stderr]   |
Dec 18 05:58:10.812 INFO [stderr] 6 | #[macro_use] extern crate structopt;
Dec 18 05:58:10.812 INFO [stderr]   | ^^^^^^^^^^^^
Dec 18 05:58:10.812 INFO [stderr]   |
Dec 18 05:58:10.812 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 05:58:10.813 INFO [stderr] 
Dec 18 05:58:10.831 INFO [stderr] warning: unused import: `std::error::Error`
Dec 18 05:58:10.831 INFO [stderr]    --> src/main.rs:492:9
Dec 18 05:58:10.831 INFO [stderr]     |
Dec 18 05:58:10.831 INFO [stderr] 492 |     use std::error::Error;
Dec 18 05:58:10.831 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^
Dec 18 05:58:10.831 INFO [stderr] 
Dec 18 05:58:10.832 INFO [stderr] warning: unused import: `StockPriceError`
Dec 18 05:58:10.832 INFO [stderr]    --> src/main.rs:493:9
Dec 18 05:58:10.832 INFO [stderr]     |
Dec 18 05:58:10.832 INFO [stderr] 493 |     use StockPriceError;
Dec 18 05:58:10.833 INFO [stderr]     |         ^^^^^^^^^^^^^^^
Dec 18 05:58:10.833 INFO [stderr] 
Dec 18 05:58:11.511 INFO [stderr] warning: unused variable: `prices`
Dec 18 05:58:11.511 INFO [stderr]    --> src/main.rs:213:13
Dec 18 05:58:11.511 INFO [stderr]     |
Dec 18 05:58:11.511 INFO [stderr] 213 |     let mut prices: Vec<Price> = read_csv(&file, args.print).expect("Could not read price.csv");
Dec 18 05:58:11.511 INFO [stderr]     |             ^^^^^^ help: consider using `_prices` instead
Dec 18 05:58:11.512 INFO [stderr]     |
Dec 18 05:58:11.512 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 18 05:58:11.512 INFO [stderr] 
Dec 18 05:58:11.512 INFO [stderr] warning: unused variable: `msg`
Dec 18 05:58:11.513 INFO [stderr]    --> src/main.rs:123:54
Dec 18 05:58:11.513 INFO [stderr]     |
Dec 18 05:58:11.513 INFO [stderr] 123 |             StockPriceError::CannotParseDocument(ref msg) => None,
Dec 18 05:58:11.514 INFO [stderr]     |                                                      ^^^ help: consider using `_msg` instead
Dec 18 05:58:11.514 INFO [stderr] 
Dec 18 05:58:11.635 INFO [stderr] warning: unused variable: `prices`
Dec 18 05:58:11.635 INFO [stderr]    --> src/main.rs:213:13
Dec 18 05:58:11.635 INFO [stderr]     |
Dec 18 05:58:11.636 INFO [stderr] 213 |     let mut prices: Vec<Price> = read_csv(&file, args.print).expect("Could not read price.csv");
Dec 18 05:58:11.636 INFO [stderr]     |             ^^^^^^ help: consider using `_prices` instead
Dec 18 05:58:11.636 INFO [stderr]     |
Dec 18 05:58:11.636 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 18 05:58:11.636 INFO [stderr] 
Dec 18 05:58:11.636 INFO [stderr] warning: unused variable: `msg`
Dec 18 05:58:11.636 INFO [stderr]    --> src/main.rs:123:54
Dec 18 05:58:11.636 INFO [stderr]     |
Dec 18 05:58:11.636 INFO [stderr] 123 |             StockPriceError::CannotParseDocument(ref msg) => None,
Dec 18 05:58:11.636 INFO [stderr]     |                                                      ^^^ help: consider using `_msg` instead
Dec 18 05:58:11.636 INFO [stderr] 
Dec 18 05:58:11.761 INFO [stderr] warning: variable does not need to be mutable
Dec 18 05:58:11.761 INFO [stderr]    --> src/main.rs:213:9
Dec 18 05:58:11.761 INFO [stderr]     |
Dec 18 05:58:11.761 INFO [stderr] 213 |     let mut prices: Vec<Price> = read_csv(&file, args.print).expect("Could not read price.csv");
Dec 18 05:58:11.761 INFO [stderr]     |         ----^^^^^^
Dec 18 05:58:11.761 INFO [stderr]     |         |
Dec 18 05:58:11.761 INFO [stderr]     |         help: remove this `mut`
Dec 18 05:58:11.761 INFO [stderr]     |
Dec 18 05:58:11.761 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 18 05:58:11.761 INFO [stderr] 
Dec 18 05:58:11.896 INFO [stderr] warning: function is never used: `serialize`
Dec 18 05:58:11.896 INFO [stderr]    --> src/main.rs:465:5
Dec 18 05:58:11.897 INFO [stderr]     |
Dec 18 05:58:11.897 INFO [stderr] 465 | /     pub fn serialize<S>(date: &Date<Utc>, serializer: S) -> Result<S::Ok, S::Error>
Dec 18 05:58:11.897 INFO [stderr] 466 | |         where S: Serializer,
Dec 18 05:58:11.897 INFO [stderr] 467 | |     {
Dec 18 05:58:11.897 INFO [stderr] 468 | |         let s = format!("{}", date.format(FORMAT));
Dec 18 05:58:11.897 INFO [stderr] 469 | |         serializer.serialize_str(&s)
Dec 18 05:58:11.898 INFO [stderr] 470 | |     }
Dec 18 05:58:11.898 INFO [stderr]     | |_____^
Dec 18 05:58:11.898 INFO [stderr]     |
Dec 18 05:58:11.898 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 18 05:58:11.898 INFO [stderr] 
Dec 18 05:58:11.898 INFO [stderr] warning: variable does not need to be mutable
Dec 18 05:58:11.898 INFO [stderr]    --> src/main.rs:213:9
Dec 18 05:58:11.899 INFO [stderr]     |
Dec 18 05:58:11.899 INFO [stderr] 213 |     let mut prices: Vec<Price> = read_csv(&file, args.print).expect("Could not read price.csv");
Dec 18 05:58:11.899 INFO [stderr]     |         ----^^^^^^
Dec 18 05:58:11.899 INFO [stderr]     |         |
Dec 18 05:58:11.899 INFO [stderr]     |         help: remove this `mut`
Dec 18 05:58:11.899 INFO [stderr]     |
Dec 18 05:58:11.900 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 18 05:58:11.900 INFO [stderr] 
Dec 18 05:58:11.900 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 05:58:11.900 INFO [stderr]    --> src/main.rs:232:13
Dec 18 05:58:11.900 INFO [stderr]     |
Dec 18 05:58:11.900 INFO [stderr] 232 |             writeln!(file, "{}", error);
Dec 18 05:58:11.900 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 05:58:11.901 INFO [stderr]     |
Dec 18 05:58:11.901 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 18 05:58:11.901 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 05:58:11.901 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 18 05:58:11.901 INFO [stderr] 
Dec 18 05:58:12.024 INFO [stderr] warning: function is never used: `serialize`
Dec 18 05:58:12.024 INFO [stderr]    --> src/main.rs:465:5
Dec 18 05:58:12.024 INFO [stderr]     |
Dec 18 05:58:12.024 INFO [stderr] 465 | /     pub fn serialize<S>(date: &Date<Utc>, serializer: S) -> Result<S::Ok, S::Error>
Dec 18 05:58:12.024 INFO [stderr] 466 | |         where S: Serializer,
Dec 18 05:58:12.024 INFO [stderr] 467 | |     {
Dec 18 05:58:12.024 INFO [stderr] 468 | |         let s = format!("{}", date.format(FORMAT));
Dec 18 05:58:12.024 INFO [stderr] 469 | |         serializer.serialize_str(&s)
Dec 18 05:58:12.024 INFO [stderr] 470 | |     }
Dec 18 05:58:12.024 INFO [stderr]     | |_____^
Dec 18 05:58:12.024 INFO [stderr]     |
Dec 18 05:58:12.024 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 18 05:58:12.024 INFO [stderr] 
Dec 18 05:58:12.044 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 05:58:12.044 INFO [stderr]    --> src/main.rs:232:13
Dec 18 05:58:12.044 INFO [stderr]     |
Dec 18 05:58:12.044 INFO [stderr] 232 |             writeln!(file, "{}", error);
Dec 18 05:58:12.044 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 05:58:12.044 INFO [stderr]     |
Dec 18 05:58:12.044 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 18 05:58:12.044 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 05:58:12.044 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 18 05:58:12.044 INFO [stderr] 
Dec 18 05:58:12.140 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.49s
Dec 18 05:58:13.372 INFO running `"docker" "inspect" "ed2f9924a67517e96a71f9f7a4a562811fc034b13ee40515d9e27d6426bf9444"`
Dec 18 05:58:13.744 INFO running `"docker" "rm" "-f" "ed2f9924a67517e96a71f9f7a4a562811fc034b13ee40515d9e27d6426bf9444"`
Dec 18 05:58:14.044 INFO [stdout] ed2f9924a67517e96a71f9f7a4a562811fc034b13ee40515d9e27d6426bf9444