Dec 19 20:39:02.619 INFO checking aliaksandr-master/rust-common against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 20:39:02.619 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-5/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/aliaksandr-master/rust-common:/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 20:39:03.118 INFO [stdout] 4944ca3d6ac0f42a9e260d414902f0861ce8ec25fb87cc4c51a95128f3819b13
Dec 19 20:39:03.128 INFO running `"docker" "start" "-a" "4944ca3d6ac0f42a9e260d414902f0861ce8ec25fb87cc4c51a95128f3819b13"`
Dec 19 20:39:04.679 INFO [stderr]     Checking rust_common v0.1.0 (/opt/crater/workdir)
Dec 19 20:39:05.119 INFO [stderr] error[E0412]: cannot find type `Err` in module `io`
Dec 19 20:39:05.119 INFO [stderr]  --> src/aitline/mod.rs:7:15
Dec 19 20:39:05.119 INFO [stderr]   |
Dec 19 20:39:05.119 INFO [stderr] 7 |     IOErr(io::Err),
Dec 19 20:39:05.119 INFO [stderr]   |               ^^^ not found in `io`
Dec 19 20:39:05.119 INFO [stderr]   |
Dec 19 20:39:05.119 INFO [stderr]   = help: there is an enum variant `std::prelude::v1::Err`, try using `std::prelude::v1`?
Dec 19 20:39:05.119 INFO [stderr]   = help: there is an enum variant `std::result::Result::Err`, try using `std::result::Result`?
Dec 19 20:39:05.119 INFO [stderr] 
Dec 19 20:39:05.119 INFO [stderr] error[E0425]: cannot find value `passengers_file_path` in this scope
Dec 19 20:39:05.119 INFO [stderr]   --> src/main.rs:58:5
Dec 19 20:39:05.119 INFO [stderr]    |
Dec 19 20:39:05.120 INFO [stderr] 58 |     passengers_file_path = cwd.join("data").join("airline_passengers.csv");
Dec 19 20:39:05.120 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^ not found in this scope
Dec 19 20:39:05.120 INFO [stderr] 
Dec 19 20:39:05.120 INFO [stderr] error[E0425]: cannot find value `passengers_file_path` in this scope
Dec 19 20:39:05.120 INFO [stderr]   --> src/main.rs:60:36
Dec 19 20:39:05.120 INFO [stderr]    |
Dec 19 20:39:05.120 INFO [stderr] 60 |     let passgers = load_passengers(passengers_file_path);
Dec 19 20:39:05.120 INFO [stderr]    |                                    ^^^^^^^^^^^^^^^^^^^^ not found in this scope
Dec 19 20:39:05.120 INFO [stderr] 
Dec 19 20:39:05.120 INFO [stderr] warning: unused import: `std::path::PathBuf`
Dec 19 20:39:05.120 INFO [stderr]  --> src/main.rs:9:5
Dec 19 20:39:05.120 INFO [stderr]   |
Dec 19 20:39:05.120 INFO [stderr] 9 | use std::path::PathBuf;
Dec 19 20:39:05.120 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 19 20:39:05.120 INFO [stderr]   |
Dec 19 20:39:05.120 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 20:39:05.120 INFO [stderr] 
Dec 19 20:39:05.136 INFO [stderr] error[E0412]: cannot find type `Err` in module `io`
Dec 19 20:39:05.136 INFO [stderr]  --> src/aitline/mod.rs:7:15
Dec 19 20:39:05.136 INFO [stderr]   |
Dec 19 20:39:05.136 INFO [stderr] 7 |     IOErr(io::Err),
Dec 19 20:39:05.136 INFO [stderr]   |               ^^^ not found in `io`
Dec 19 20:39:05.136 INFO [stderr]   |
Dec 19 20:39:05.136 INFO [stderr]   = help: there is an enum variant `std::prelude::v1::Err`, try using `std::prelude::v1`?
Dec 19 20:39:05.136 INFO [stderr]   = help: there is an enum variant `std::result::Result::Err`, try using `std::result::Result`?
Dec 19 20:39:05.136 INFO [stderr] 
Dec 19 20:39:05.136 INFO [stderr] error[E0425]: cannot find value `passengers_file_path` in this scope
Dec 19 20:39:05.136 INFO [stderr]   --> src/main.rs:58:5
Dec 19 20:39:05.136 INFO [stderr]    |
Dec 19 20:39:05.136 INFO [stderr] 58 |     passengers_file_path = cwd.join("data").join("airline_passengers.csv");
Dec 19 20:39:05.136 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^ not found in this scope
Dec 19 20:39:05.136 INFO [stderr] 
Dec 19 20:39:05.136 INFO [stderr] error[E0425]: cannot find value `passengers_file_path` in this scope
Dec 19 20:39:05.136 INFO [stderr]   --> src/main.rs:60:36
Dec 19 20:39:05.136 INFO [stderr]    |
Dec 19 20:39:05.136 INFO [stderr] 60 |     let passgers = load_passengers(passengers_file_path);
Dec 19 20:39:05.136 INFO [stderr]    |                                    ^^^^^^^^^^^^^^^^^^^^ not found in this scope
Dec 19 20:39:05.136 INFO [stderr] 
Dec 19 20:39:05.140 INFO [stderr] warning: unused import: `std::path::PathBuf`
Dec 19 20:39:05.140 INFO [stderr]  --> src/main.rs:9:5
Dec 19 20:39:05.140 INFO [stderr]   |
Dec 19 20:39:05.140 INFO [stderr] 9 | use std::path::PathBuf;
Dec 19 20:39:05.140 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 19 20:39:05.140 INFO [stderr]   |
Dec 19 20:39:05.140 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 20:39:05.140 INFO [stderr] 
Dec 19 20:39:05.204 INFO [stderr] error[E0308]: mismatched types
Dec 19 20:39:05.204 INFO [stderr]   --> src/aitline/mod.rs:31:16
Dec 19 20:39:05.204 INFO [stderr]    |
Dec 19 20:39:05.204 INFO [stderr] 31 |           return MonthPassengerStat{
Dec 19 20:39:05.204 INFO [stderr]    |  ________________^
Dec 19 20:39:05.204 INFO [stderr] 32 | |             month_name: rec[0].into(),
Dec 19 20:39:05.204 INFO [stderr] 33 | |             passengers_count: i32::from_str(&rec[1])?
Dec 19 20:39:05.204 INFO [stderr] 34 | |         };
Dec 19 20:39:05.208 INFO [stderr]    | |_________^ expected enum `std::result::Result`, found struct `aitline::MonthPassengerStat`
Dec 19 20:39:05.208 INFO [stderr]    |
Dec 19 20:39:05.208 INFO [stderr]    = note: expected type `std::result::Result<aitline::MonthPassengerStat, std::num::ParseIntError>`
Dec 19 20:39:05.208 INFO [stderr]               found type `aitline::MonthPassengerStat`
Dec 19 20:39:05.208 INFO [stderr] 
Dec 19 20:39:05.208 INFO [stderr] error[E0277]: the trait bound `aitline::LoadingErr: std::convert::From<std::io::Error>` is not satisfied
Dec 19 20:39:05.208 INFO [stderr]   --> src/aitline/mod.rs:49:16
Dec 19 20:39:05.208 INFO [stderr]    |
Dec 19 20:39:05.208 INFO [stderr] 49 |     let file = fs::File::open(file_path)?;
Dec 19 20:39:05.208 INFO [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `std::convert::From<std::io::Error>` is not implemented for `aitline::LoadingErr`
Dec 19 20:39:05.208 INFO [stderr]    |
Dec 19 20:39:05.208 INFO [stderr]    = note: required by `std::convert::From::from`
Dec 19 20:39:05.208 INFO [stderr] 
Dec 19 20:39:05.212 INFO [stderr] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `std::ops::Try`)
Dec 19 20:39:05.212 INFO [stderr]   --> src/aitline/mod.rs:71:56
Dec 19 20:39:05.212 INFO [stderr]    |
Dec 19 20:39:05.212 INFO [stderr] 71 |         .map(|rec|MonthPassengerStat::from_csv_record(&rec?)?)
Dec 19 20:39:05.212 INFO [stderr]    |                                                        ^^^^ cannot use the `?` operator in a function that returns `aitline::MonthPassengerStat`
Dec 19 20:39:05.212 INFO [stderr]    |
Dec 19 20:39:05.212 INFO [stderr]    = help: the trait `std::ops::Try` is not implemented for `aitline::MonthPassengerStat`
Dec 19 20:39:05.212 INFO [stderr]    = note: required by `std::ops::Try::from_error`
Dec 19 20:39:05.212 INFO [stderr] 
Dec 19 20:39:05.212 INFO [stderr] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `std::ops::Try`)
Dec 19 20:39:05.212 INFO [stderr]   --> src/aitline/mod.rs:71:19
Dec 19 20:39:05.212 INFO [stderr]    |
Dec 19 20:39:05.212 INFO [stderr] 71 |         .map(|rec|MonthPassengerStat::from_csv_record(&rec?)?)
Dec 19 20:39:05.212 INFO [stderr]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot use the `?` operator in a function that returns `aitline::MonthPassengerStat`
Dec 19 20:39:05.212 INFO [stderr]    |
Dec 19 20:39:05.212 INFO [stderr]    = help: the trait `std::ops::Try` is not implemented for `aitline::MonthPassengerStat`
Dec 19 20:39:05.212 INFO [stderr]    = note: required by `std::ops::Try::from_error`
Dec 19 20:39:05.212 INFO [stderr] 
Dec 19 20:39:05.223 INFO [stderr] error: aborting due to 7 previous errors
Dec 19 20:39:05.223 INFO [stderr] error[E0308]: mismatched types
Dec 19 20:39:05.223 INFO [stderr]   --> src/aitline/mod.rs:31:16
Dec 19 20:39:05.223 INFO [stderr]    |
Dec 19 20:39:05.223 INFO [stderr] 31 |           return MonthPassengerStat{
Dec 19 20:39:05.223 INFO [stderr]    |  ________________^
Dec 19 20:39:05.223 INFO [stderr] 32 | |             month_name: rec[0].into(),
Dec 19 20:39:05.223 INFO [stderr] 33 | |             passengers_count: i32::from_str(&rec[1])?
Dec 19 20:39:05.223 INFO [stderr] 34 | |         };
Dec 19 20:39:05.223 INFO [stderr]    | |_________^ expected enum `std::result::Result`, found struct `aitline::MonthPassengerStat`
Dec 19 20:39:05.223 INFO [stderr]    |
Dec 19 20:39:05.223 INFO [stderr]    = note: expected type `std::result::Result<aitline::MonthPassengerStat, std::num::ParseIntError>`
Dec 19 20:39:05.223 INFO [stderr]               found type `aitline::MonthPassengerStat`
Dec 19 20:39:05.223 INFO [stderr] 
Dec 19 20:39:05.223 INFO [stderr] error[E0277]: the trait bound `aitline::LoadingErr: std::convert::From<std::io::Error>` is not satisfied
Dec 19 20:39:05.223 INFO [stderr]   --> src/aitline/mod.rs:49:16
Dec 19 20:39:05.223 INFO [stderr]    |
Dec 19 20:39:05.223 INFO [stderr] 49 |     let file = fs::File::open(file_path)?;
Dec 19 20:39:05.223 INFO [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `std::convert::From<std::io::Error>` is not implemented for `aitline::LoadingErr`
Dec 19 20:39:05.223 INFO [stderr]    |
Dec 19 20:39:05.223 INFO [stderr]    = note: required by `std::convert::From::from`
Dec 19 20:39:05.223 INFO [stderr] 
Dec 19 20:39:05.223 INFO [stderr] 
Dec 19 20:39:05.223 INFO [stderr] Some errors occurred: E0277, E0308, E0412, E0425.
Dec 19 20:39:05.223 INFO [stderr] For more information about an error, try `rustc --explain E0277`.
Dec 19 20:39:05.224 INFO [stderr] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `std::ops::Try`)
Dec 19 20:39:05.224 INFO [stderr]   --> src/aitline/mod.rs:71:56
Dec 19 20:39:05.224 INFO [stderr]    |
Dec 19 20:39:05.224 INFO [stderr] 71 |         .map(|rec|MonthPassengerStat::from_csv_record(&rec?)?)
Dec 19 20:39:05.224 INFO [stderr]    |                                                        ^^^^ cannot use the `?` operator in a function that returns `aitline::MonthPassengerStat`
Dec 19 20:39:05.224 INFO [stderr]    |
Dec 19 20:39:05.224 INFO [stderr]    = help: the trait `std::ops::Try` is not implemented for `aitline::MonthPassengerStat`
Dec 19 20:39:05.224 INFO [stderr]    = note: required by `std::ops::Try::from_error`
Dec 19 20:39:05.224 INFO [stderr] 
Dec 19 20:39:05.224 INFO [stderr] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `std::ops::Try`)
Dec 19 20:39:05.224 INFO [stderr]   --> src/aitline/mod.rs:71:19
Dec 19 20:39:05.224 INFO [stderr]    |
Dec 19 20:39:05.224 INFO [stderr] 71 |         .map(|rec|MonthPassengerStat::from_csv_record(&rec?)?)
Dec 19 20:39:05.224 INFO [stderr]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot use the `?` operator in a function that returns `aitline::MonthPassengerStat`
Dec 19 20:39:05.224 INFO [stderr]    |
Dec 19 20:39:05.224 INFO [stderr]    = help: the trait `std::ops::Try` is not implemented for `aitline::MonthPassengerStat`
Dec 19 20:39:05.224 INFO [stderr]    = note: required by `std::ops::Try::from_error`
Dec 19 20:39:05.224 INFO [stderr] 
Dec 19 20:39:05.233 INFO [stderr] error: aborting due to 7 previous errors
Dec 19 20:39:05.233 INFO [stderr] 
Dec 19 20:39:05.233 INFO [stderr] Some errors occurred: E0277, E0308, E0412, E0425.
Dec 19 20:39:05.233 INFO [stderr] For more information about an error, try `rustc --explain E0277`.
Dec 19 20:39:05.233 INFO [stderr] error: Could not compile `rust_common`.
Dec 19 20:39:05.233 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 19 20:39:05.242 INFO [stderr] error: Could not compile `rust_common`.
Dec 19 20:39:05.242 INFO [stderr] 
Dec 19 20:39:05.242 INFO [stderr] To learn more, run the command again with --verbose.
Dec 19 20:39:06.367 INFO running `"docker" "inspect" "4944ca3d6ac0f42a9e260d414902f0861ce8ec25fb87cc4c51a95128f3819b13"`
Dec 19 20:39:06.627 INFO running `"docker" "rm" "-f" "4944ca3d6ac0f42a9e260d414902f0861ce8ec25fb87cc4c51a95128f3819b13"`
Dec 19 20:39:06.939 INFO [stdout] 4944ca3d6ac0f42a9e260d414902f0861ce8ec25fb87cc4c51a95128f3819b13