Dec 19 22:23:55.439 INFO checking PhilipDaniels/stock_prices against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 22:23:55.439 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-4/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 22:23:55.967 INFO [stdout] 7f260206989dbacdeef6f12332648f63bdac3f97b51e4b2d258383211ecb81a5
Dec 19 22:23:55.967 INFO running `"docker" "start" "-a" "7f260206989dbacdeef6f12332648f63bdac3f97b51e4b2d258383211ecb81a5"`
Dec 19 22:23:58.194 INFO [stderr]     Checking tokio-io v0.1.7
Dec 19 22:23:58.194 INFO [stderr]     Checking csv v1.0.0
Dec 19 22:23:58.197 INFO [stderr]     Checking chrono v0.4.5
Dec 19 22:24:01.176 INFO [stderr]     Checking tokio-codec v0.1.0
Dec 19 22:24:01.176 INFO [stderr]     Checking tokio-reactor v0.1.2
Dec 19 22:24:01.176 INFO [stderr]     Checking tokio-fs v0.1.2
Dec 19 22:24:03.336 INFO [stderr]     Checking tokio-udp v0.1.1
Dec 19 22:24:03.336 INFO [stderr]     Checking tokio-tcp v0.1.0
Dec 19 22:24:04.236 INFO [stderr]     Checking tokio v0.1.7
Dec 19 22:24:05.212 INFO [stderr]     Checking tokio-core v0.1.17
Dec 19 22:24:06.530 INFO [stderr]     Checking tokio-proto v0.1.1
Dec 19 22:24:06.531 INFO [stderr]     Checking tokio-tls v0.1.4
Dec 19 22:24:09.608 INFO [stderr]     Checking hyper v0.11.27
Dec 19 22:24:15.040 INFO [stderr]     Checking hyper-tls v0.1.3
Dec 19 22:24:16.045 INFO [stderr]     Checking reqwest v0.8.6
Dec 19 22:24:17.992 INFO [stderr]     Checking stock_prices v0.1.0 (/opt/crater/workdir)
Dec 19 22:24:20.184 INFO [stderr] warning: unused `#[macro_use]` import
Dec 19 22:24:20.184 INFO [stderr]  --> src/main.rs:6:1
Dec 19 22:24:20.184 INFO [stderr]   |
Dec 19 22:24:20.184 INFO [stderr] 6 | #[macro_use] extern crate structopt;
Dec 19 22:24:20.184 INFO [stderr]   | ^^^^^^^^^^^^
Dec 19 22:24:20.185 INFO [stderr]   |
Dec 19 22:24:20.185 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 22:24:20.185 INFO [stderr] 
Dec 19 22:24:20.273 INFO [stderr] warning: unused `#[macro_use]` import
Dec 19 22:24:20.273 INFO [stderr]  --> src/main.rs:6:1
Dec 19 22:24:20.273 INFO [stderr]   |
Dec 19 22:24:20.274 INFO [stderr] 6 | #[macro_use] extern crate structopt;
Dec 19 22:24:20.274 INFO [stderr]   | ^^^^^^^^^^^^
Dec 19 22:24:20.274 INFO [stderr]   |
Dec 19 22:24:20.274 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 22:24:20.275 INFO [stderr] 
Dec 19 22:24:20.278 INFO [stderr] warning: unused import: `std::error::Error`
Dec 19 22:24:20.279 INFO [stderr]    --> src/main.rs:492:9
Dec 19 22:24:20.279 INFO [stderr]     |
Dec 19 22:24:20.279 INFO [stderr] 492 |     use std::error::Error;
Dec 19 22:24:20.279 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^
Dec 19 22:24:20.280 INFO [stderr] 
Dec 19 22:24:20.280 INFO [stderr] warning: unused import: `StockPriceError`
Dec 19 22:24:20.280 INFO [stderr]    --> src/main.rs:493:9
Dec 19 22:24:20.281 INFO [stderr]     |
Dec 19 22:24:20.281 INFO [stderr] 493 |     use StockPriceError;
Dec 19 22:24:20.281 INFO [stderr]     |         ^^^^^^^^^^^^^^^
Dec 19 22:24:20.281 INFO [stderr] 
Dec 19 22:24:20.812 INFO [stderr] warning: unused variable: `prices`
Dec 19 22:24:20.813 INFO [stderr]    --> src/main.rs:213:13
Dec 19 22:24:20.813 INFO [stderr]     |
Dec 19 22:24:20.813 INFO [stderr] 213 |     let mut prices: Vec<Price> = read_csv(&file, args.print).expect("Could not read price.csv");
Dec 19 22:24:20.814 INFO [stderr]     |             ^^^^^^ help: consider using `_prices` instead
Dec 19 22:24:20.814 INFO [stderr]     |
Dec 19 22:24:20.814 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 19 22:24:20.814 INFO [stderr] 
Dec 19 22:24:20.815 INFO [stderr] warning: unused variable: `msg`
Dec 19 22:24:20.815 INFO [stderr]    --> src/main.rs:123:54
Dec 19 22:24:20.815 INFO [stderr]     |
Dec 19 22:24:20.815 INFO [stderr] 123 |             StockPriceError::CannotParseDocument(ref msg) => None,
Dec 19 22:24:20.816 INFO [stderr]     |                                                      ^^^ help: consider using `_msg` instead
Dec 19 22:24:20.816 INFO [stderr] 
Dec 19 22:24:20.960 INFO [stderr] warning: unused variable: `prices`
Dec 19 22:24:20.960 INFO [stderr]    --> src/main.rs:213:13
Dec 19 22:24:20.960 INFO [stderr]     |
Dec 19 22:24:20.960 INFO [stderr] 213 |     let mut prices: Vec<Price> = read_csv(&file, args.print).expect("Could not read price.csv");
Dec 19 22:24:20.960 INFO [stderr]     |             ^^^^^^ help: consider using `_prices` instead
Dec 19 22:24:20.960 INFO [stderr]     |
Dec 19 22:24:20.961 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 19 22:24:20.961 INFO [stderr] 
Dec 19 22:24:20.962 INFO [stderr] warning: unused variable: `msg`
Dec 19 22:24:20.962 INFO [stderr]    --> src/main.rs:123:54
Dec 19 22:24:20.962 INFO [stderr]     |
Dec 19 22:24:20.962 INFO [stderr] 123 |             StockPriceError::CannotParseDocument(ref msg) => None,
Dec 19 22:24:20.962 INFO [stderr]     |                                                      ^^^ help: consider using `_msg` instead
Dec 19 22:24:20.962 INFO [stderr] 
Dec 19 22:24:21.010 INFO [stderr] warning: variable does not need to be mutable
Dec 19 22:24:21.010 INFO [stderr]    --> src/main.rs:213:9
Dec 19 22:24:21.010 INFO [stderr]     |
Dec 19 22:24:21.010 INFO [stderr] 213 |     let mut prices: Vec<Price> = read_csv(&file, args.print).expect("Could not read price.csv");
Dec 19 22:24:21.010 INFO [stderr]     |         ----^^^^^^
Dec 19 22:24:21.010 INFO [stderr]     |         |
Dec 19 22:24:21.010 INFO [stderr]     |         help: remove this `mut`
Dec 19 22:24:21.010 INFO [stderr]     |
Dec 19 22:24:21.024 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 19 22:24:21.024 INFO [stderr] 
Dec 19 22:24:21.114 INFO [stderr] warning: function is never used: `serialize`
Dec 19 22:24:21.114 INFO [stderr]    --> src/main.rs:465:5
Dec 19 22:24:21.114 INFO [stderr]     |
Dec 19 22:24:21.114 INFO [stderr] 465 | /     pub fn serialize<S>(date: &Date<Utc>, serializer: S) -> Result<S::Ok, S::Error>
Dec 19 22:24:21.114 INFO [stderr] 466 | |         where S: Serializer,
Dec 19 22:24:21.114 INFO [stderr] 467 | |     {
Dec 19 22:24:21.114 INFO [stderr] 468 | |         let s = format!("{}", date.format(FORMAT));
Dec 19 22:24:21.114 INFO [stderr] 469 | |         serializer.serialize_str(&s)
Dec 19 22:24:21.114 INFO [stderr] 470 | |     }
Dec 19 22:24:21.114 INFO [stderr]     | |_____^
Dec 19 22:24:21.114 INFO [stderr]     |
Dec 19 22:24:21.116 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 19 22:24:21.116 INFO [stderr] 
Dec 19 22:24:21.132 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 22:24:21.132 INFO [stderr]    --> src/main.rs:232:13
Dec 19 22:24:21.132 INFO [stderr]     |
Dec 19 22:24:21.133 INFO [stderr] 232 |             writeln!(file, "{}", error);
Dec 19 22:24:21.133 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 22:24:21.133 INFO [stderr]     |
Dec 19 22:24:21.133 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 19 22:24:21.133 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 22:24:21.134 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 19 22:24:21.134 INFO [stderr] 
Dec 19 22:24:21.224 INFO [stderr] warning: variable does not need to be mutable
Dec 19 22:24:21.225 INFO [stderr]    --> src/main.rs:213:9
Dec 19 22:24:21.225 INFO [stderr]     |
Dec 19 22:24:21.225 INFO [stderr] 213 |     let mut prices: Vec<Price> = read_csv(&file, args.print).expect("Could not read price.csv");
Dec 19 22:24:21.225 INFO [stderr]     |         ----^^^^^^
Dec 19 22:24:21.226 INFO [stderr]     |         |
Dec 19 22:24:21.226 INFO [stderr]     |         help: remove this `mut`
Dec 19 22:24:21.226 INFO [stderr]     |
Dec 19 22:24:21.226 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 19 22:24:21.227 INFO [stderr] 
Dec 19 22:24:21.389 INFO [stderr] warning: function is never used: `serialize`
Dec 19 22:24:21.390 INFO [stderr]    --> src/main.rs:465:5
Dec 19 22:24:21.390 INFO [stderr]     |
Dec 19 22:24:21.390 INFO [stderr] 465 | /     pub fn serialize<S>(date: &Date<Utc>, serializer: S) -> Result<S::Ok, S::Error>
Dec 19 22:24:21.390 INFO [stderr] 466 | |         where S: Serializer,
Dec 19 22:24:21.390 INFO [stderr] 467 | |     {
Dec 19 22:24:21.390 INFO [stderr] 468 | |         let s = format!("{}", date.format(FORMAT));
Dec 19 22:24:21.391 INFO [stderr] 469 | |         serializer.serialize_str(&s)
Dec 19 22:24:21.391 INFO [stderr] 470 | |     }
Dec 19 22:24:21.391 INFO [stderr]     | |_____^
Dec 19 22:24:21.391 INFO [stderr]     |
Dec 19 22:24:21.391 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 19 22:24:21.391 INFO [stderr] 
Dec 19 22:24:21.394 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 22:24:21.394 INFO [stderr]    --> src/main.rs:232:13
Dec 19 22:24:21.394 INFO [stderr]     |
Dec 19 22:24:21.394 INFO [stderr] 232 |             writeln!(file, "{}", error);
Dec 19 22:24:21.394 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 22:24:21.394 INFO [stderr]     |
Dec 19 22:24:21.395 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 19 22:24:21.395 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 22:24:21.395 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 19 22:24:21.395 INFO [stderr] 
Dec 19 22:24:21.489 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.61s
Dec 19 22:24:22.770 INFO running `"docker" "inspect" "7f260206989dbacdeef6f12332648f63bdac3f97b51e4b2d258383211ecb81a5"`
Dec 19 22:24:23.112 INFO running `"docker" "rm" "-f" "7f260206989dbacdeef6f12332648f63bdac3f97b51e4b2d258383211ecb81a5"`
Dec 19 22:24:23.448 INFO [stdout] 7f260206989dbacdeef6f12332648f63bdac3f97b51e4b2d258383211ecb81a5