[INFO] updating cached repository uvNikita/converter [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/uvNikita/converter [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/uvNikita/converter" "work/ex/beta-1.38-1/sources/1.37.0/gh/uvNikita/converter"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/uvNikita/converter'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/uvNikita/converter" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/uvNikita/converter"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/uvNikita/converter'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 7c95c7c807539a58b4c2d608135183925bb30fb2 [INFO] sha for GitHub repo uvNikita/converter: 7c95c7c807539a58b4c2d608135183925bb30fb2 [INFO] validating manifest of uvNikita/converter on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of uvNikita/converter on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing uvNikita/converter [INFO] finished frobbing uvNikita/converter [INFO] frobbed toml for uvNikita/converter written to work/ex/beta-1.38-1/sources/1.37.0/gh/uvNikita/converter/Cargo.toml [INFO] started frobbing uvNikita/converter [INFO] finished frobbing uvNikita/converter [INFO] frobbed toml for uvNikita/converter written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/uvNikita/converter/Cargo.toml [INFO] crate uvNikita/converter already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing uvNikita/converter against 1.37.0 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/uvNikita/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=warn" "-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" "+1.37.0" "build" "--frozen"` [INFO] [stdout] 93ee771a5a3d686af3640ad13b5be9fe15a7808e37e4e76abb55dea23d11f662 [INFO] running `"docker" "start" "-a" "93ee771a5a3d686af3640ad13b5be9fe15a7808e37e4e76abb55dea23d11f662"` [INFO] [stderr] Compiling converter v0.0.1 (/opt/crater/workdir) [INFO] [stderr] error: expected expression, found `]` [INFO] [stderr] --> src/main.rs:82:23 [INFO] [stderr] | [INFO] [stderr] 82 | match &os::args()[] { [INFO] [stderr] | ----- ^ expected expression [INFO] [stderr] | | [INFO] [stderr] | while parsing this match expression [INFO] [stderr] [INFO] [stderr] error: cannot find derive macro `Show` in this scope [INFO] [stderr] --> src/main.rs:7:10 [INFO] [stderr] | [INFO] [stderr] 7 | #[derive(Show)] [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::os` [INFO] [stderr] --> src/main.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::os; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] error[E0046]: not all trait items implemented, missing: `Err` [INFO] [stderr] --> src/main.rs:17:1 [INFO] [stderr] | [INFO] [stderr] 17 | impl FromStr for Currency { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ missing `Err` in implementation [INFO] [stderr] | [INFO] [stderr] = note: `Err` from trait: `type Err;` [INFO] [stderr] [INFO] [stderr] error[E0277]: `Currency` doesn't implement `std::fmt::Debug` [INFO] [stderr] --> src/main.rs:53:49 [INFO] [stderr] | [INFO] [stderr] 53 | map(|&(ref v, ref c)| format!("{} {:?}", v, c)). [INFO] [stderr] | ^ `Currency` cannot be formatted using `{:?}` [INFO] [stderr] | [INFO] [stderr] = help: the trait `std::fmt::Debug` is not implemented for `Currency` [INFO] [stderr] = note: add `#[derive(Debug)]` or manually implement `std::fmt::Debug` [INFO] [stderr] = note: required because of the requirements on the impl of `std::fmt::Debug` for `&Currency` [INFO] [stderr] = note: required by `std::fmt::Debug::fmt` [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::slice::SliceConcatExt::connect': renamed to join [INFO] [stderr] --> src/main.rs:55:5 [INFO] [stderr] | [INFO] [stderr] 55 | connect(" ") [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(deprecated)] on by default [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/main.rs:62:13 [INFO] [stderr] | [INFO] [stderr] 62 | None => Err(Error::InvalidValue), [INFO] [stderr] | ^^^^ expected enum `std::result::Result`, found enum `std::option::Option` [INFO] [stderr] | [INFO] [stderr] = note: expected type `std::result::Result<_, _>` [INFO] [stderr] found type `std::option::Option<_>` [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/main.rs:63:13 [INFO] [stderr] | [INFO] [stderr] 61 | match FromStr::from_str(value_str) { [INFO] [stderr] | ---------------------------- this match expression has type `std::result::Result<_, _>` [INFO] [stderr] 62 | None => Err(Error::InvalidValue), [INFO] [stderr] 63 | Some(value) if value >= 0.0 => Ok(value), [INFO] [stderr] | ^^^^^^^^^^^ expected enum `std::result::Result`, found enum `std::option::Option` [INFO] [stderr] | [INFO] [stderr] = note: expected type `std::result::Result<_, _>` [INFO] [stderr] found type `std::option::Option<_>` [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/main.rs:70:13 [INFO] [stderr] | [INFO] [stderr] 70 | None => Err(Error::InvalidCurrency), [INFO] [stderr] | ^^^^ expected enum `std::result::Result`, found enum `std::option::Option` [INFO] [stderr] | [INFO] [stderr] = note: expected type `std::result::Result<_, _>` [INFO] [stderr] found type `std::option::Option<_>` [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/main.rs:71:13 [INFO] [stderr] | [INFO] [stderr] 69 | match FromStr::from_str(currency_str) { [INFO] [stderr] | ------------------------------- this match expression has type `std::result::Result<_, _>` [INFO] [stderr] 70 | None => Err(Error::InvalidCurrency), [INFO] [stderr] 71 | Some(currency) => Ok(currency), [INFO] [stderr] | ^^^^^^^^^^^^^^ expected enum `std::result::Result`, found enum `std::option::Option` [INFO] [stderr] | [INFO] [stderr] = note: expected type `std::result::Result<_, _>` [INFO] [stderr] found type `std::option::Option<_>` [INFO] [stderr] [INFO] [stderr] error: aborting due to 8 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0046, E0277, E0308. [INFO] [stderr] For more information about an error, try `rustc --explain E0046`. [INFO] [stderr] error: Could not compile `converter`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "93ee771a5a3d686af3640ad13b5be9fe15a7808e37e4e76abb55dea23d11f662"` [INFO] running `"docker" "rm" "-f" "93ee771a5a3d686af3640ad13b5be9fe15a7808e37e4e76abb55dea23d11f662"` [INFO] [stdout] 93ee771a5a3d686af3640ad13b5be9fe15a7808e37e4e76abb55dea23d11f662