[INFO] updating cached repository nirasan/rust-currency-converter
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/nirasan/rust-currency-converter
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/nirasan/rust-currency-converter" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/nirasan/rust-currency-converter"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/nirasan/rust-currency-converter'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/nirasan/rust-currency-converter" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/nirasan/rust-currency-converter"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/nirasan/rust-currency-converter'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b867c7840c41e5ec9483c69a49562d2c9cff3543
[INFO] sha for GitHub repo nirasan/rust-currency-converter: b867c7840c41e5ec9483c69a49562d2c9cff3543
[INFO] validating manifest of nirasan/rust-currency-converter on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of nirasan/rust-currency-converter on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing nirasan/rust-currency-converter
[INFO] finished frobbing nirasan/rust-currency-converter
[INFO] frobbed toml for nirasan/rust-currency-converter written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/nirasan/rust-currency-converter/Cargo.toml
[INFO] started frobbing nirasan/rust-currency-converter
[INFO] finished frobbing nirasan/rust-currency-converter
[INFO] frobbed toml for nirasan/rust-currency-converter written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/nirasan/rust-currency-converter/Cargo.toml
[INFO] crate nirasan/rust-currency-converter already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking nirasan/rust-currency-converter against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-4/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/nirasan/rust-currency-converter:/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" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 0d8e9fe573abc5029f49bf28c3c8cf1893a27a1a903bc17ea19d32421591f791
[INFO] running `"docker" "start" "-a" "0d8e9fe573abc5029f49bf28c3c8cf1893a27a1a903bc17ea19d32421591f791"`
[INFO] [stderr]     Checking libflate v0.1.21
[INFO] [stderr]     Checking serde_urlencoded v0.5.4
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking csv v1.0.6
[INFO] [stderr]     Checking error-chain v0.12.0
[INFO] [stderr]     Checking publicsuffix v1.5.2
[INFO] [stderr]     Checking zip v0.5.2
[INFO] [stderr]     Checking cookie_store v0.5.1
[INFO] [stderr]     Checking reqwest v0.9.14
[INFO] [stderr]     Checking rcc v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]  --> src/reference_rate.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::fs::File;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Read`
[INFO] [stderr]  --> src/reference_rate.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::io::Read;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/reference_rate.rs:142:28
[INFO] [stderr]     |
[INFO] [stderr] 142 | fn run() -> Result<(), Box<Error>> {
[INFO] [stderr]     |                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]  --> src/reference_rate.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::fs::File;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Read`
[INFO] [stderr]  --> src/reference_rate.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::io::Read;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/reference_rate.rs:142:28
[INFO] [stderr]     |
[INFO] [stderr] 142 | fn run() -> Result<(), Box<Error>> {
[INFO] [stderr]     |                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/reference_rate.rs:161:35
[INFO] [stderr]     |
[INFO] [stderr] 161 | fn test_embed() -> Result<(), Box<Error>> {
[INFO] [stderr]     |                                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::prelude::*`
[INFO] [stderr]    --> src/reference_rate.rs:176:9
[INFO] [stderr]     |
[INFO] [stderr] 176 |     use std::io::prelude::*;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
[INFO] [stderr]  --> src/cache.rs:9:16
[INFO] [stderr]   |
[INFO] [stderr] 9 |     let home = env::home_dir()?;
[INFO] [stderr]   |                ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
[INFO] [stderr]  --> src/cache.rs:9:16
[INFO] [stderr]   |
[INFO] [stderr] 9 |     let home = env::home_dir()?;
[INFO] [stderr]   |                ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]   --> src/cache.rs:68:9
[INFO] [stderr]    |
[INFO] [stderr] 68 |     let path = cache_set("hi", "world").unwrap();
[INFO] [stderr]    |         ^^^^ help: consider prefixing with an underscore: `_path`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]   --> src/cache.rs:91:9
[INFO] [stderr]    |
[INFO] [stderr] 91 |     let path = cache_set("ola", "world").unwrap();
[INFO] [stderr]    |         ^^^^ help: consider prefixing with an underscore: `_path`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]    --> src/reference_rate.rs:142:1
[INFO] [stderr]     |
[INFO] [stderr] 142 | fn run() -> Result<(), Box<Error>> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/reference_rate.rs:180:9
[INFO] [stderr]     |
[INFO] [stderr] 180 |     let mut cur = std::io::Cursor::new(bytes);
[INFO] [stderr]     |         ----^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/reference_rate.rs:183:9
[INFO] [stderr]     |
[INFO] [stderr] 183 |     let mut file = match archive.by_name("eurofxref-hist.csv")
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/reference_rate.rs:211:9
[INFO] [stderr]     |
[INFO] [stderr] 211 |     let mut cur = std::io::Cursor::new(bytes);
[INFO] [stderr]     |         ----^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/reference_rate.rs:214:9
[INFO] [stderr]     |
[INFO] [stderr] 214 |     let mut file = match archive.by_name("eurofxref-hist.csv")
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.21s
[INFO] running `"docker" "inspect" "0d8e9fe573abc5029f49bf28c3c8cf1893a27a1a903bc17ea19d32421591f791"`
[INFO] running `"docker" "rm" "-f" "0d8e9fe573abc5029f49bf28c3c8cf1893a27a1a903bc17ea19d32421591f791"`
[INFO] [stdout] 0d8e9fe573abc5029f49bf28c3c8cf1893a27a1a903bc17ea19d32421591f791