[INFO] updating cached repository https://github.com/aliaksandr-master/rust-common [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] bb25f5deb3fac3b76340598d121f06168fec28d2 [INFO] checking aliaksandr-master/rust-common against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faliaksandr-master%2Frust-common" "/workspace/builds/worker-6/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/aliaksandr-master/rust-common on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/aliaksandr-master/rust-common [INFO] finished tweaking git repo https://github.com/aliaksandr-master/rust-common [INFO] tweaked toml for git repo https://github.com/aliaksandr-master/rust-common written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/aliaksandr-master/rust-common already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 0041ce76de6de1a4df129fb08f968899a03bc0150ec44df3a6f76f823d63b2db [INFO] running `"docker" "start" "-a" "0041ce76de6de1a4df129fb08f968899a03bc0150ec44df3a6f76f823d63b2db"` [INFO] [stderr] Compiling libc v0.2.44 [INFO] [stderr] Compiling serde v1.0.80 [INFO] [stderr] Compiling memchr v2.1.1 [INFO] [stderr] Checking csv-core v0.1.4 [INFO] [stderr] Checking csv v1.0.2 [INFO] [stderr] Checking rust_common v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] error[E0412]: cannot find type `Err` in module `io` [INFO] [stderr] --> src/aitline/mod.rs:7:15 [INFO] [stderr] | [INFO] [stderr] 7 | IOErr(io::Err), [INFO] [stderr] | ^^^ not found in `io` [INFO] [stderr] | [INFO] [stderr] help: there is an enum variant `std::prelude::v1::Err` and 1 other; try using the variant's enum [INFO] [stderr] | [INFO] [stderr] 7 | IOErr(std::result::Result), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find value `passengers_file_path` in this scope [INFO] [stderr] --> src/main.rs:58:5 [INFO] [stderr] | [INFO] [stderr] 58 | passengers_file_path = cwd.join("data").join("airline_passengers.csv"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ not found in this scope [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find value `passengers_file_path` in this scope [INFO] [stderr] --> src/main.rs:60:36 [INFO] [stderr] | [INFO] [stderr] 60 | let passgers = load_passengers(passengers_file_path); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ not found in this scope [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::path::PathBuf` [INFO] [stderr] --> src/main.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use std::path::PathBuf; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] error[E0412]: cannot find type `Err` in module `io` [INFO] [stderr] --> src/aitline/mod.rs:7:15 [INFO] [stderr] | [INFO] [stderr] 7 | IOErr(io::Err), [INFO] [stderr] | ^^^ not found in `io` [INFO] [stderr] | [INFO] [stderr] help: there is an enum variant `std::prelude::v1::Err` and 1 other; try using the variant's enum [INFO] [stderr] | [INFO] [stderr] 7 | IOErr(std::result::Result), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find value `passengers_file_path` in this scope [INFO] [stderr] --> src/main.rs:58:5 [INFO] [stderr] | [INFO] [stderr] 58 | passengers_file_path = cwd.join("data").join("airline_passengers.csv"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ not found in this scope [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find value `passengers_file_path` in this scope [INFO] [stderr] --> src/main.rs:60:36 [INFO] [stderr] | [INFO] [stderr] 60 | let passgers = load_passengers(passengers_file_path); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ not found in this scope [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::path::PathBuf` [INFO] [stderr] --> src/main.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use std::path::PathBuf; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/aitline/mod.rs:31:16 [INFO] [stderr] | [INFO] [stderr] 30 | pub fn from_csv_record (rec: &csv::StringRecord) -> Result::Err> { [INFO] [stderr] | ----------------------------------- expected `std::result::Result` because of return type [INFO] [stderr] 31 | return MonthPassengerStat{ [INFO] [stderr] | ________________^ [INFO] [stderr] 32 | | month_name: rec[0].into(), [INFO] [stderr] 33 | | passengers_count: i32::from_str(&rec[1])? [INFO] [stderr] 34 | | }; [INFO] [stderr] | |_________^ expected enum `std::result::Result`, found struct `aitline::MonthPassengerStat` [INFO] [stderr] | [INFO] [stderr] = note: expected enum `std::result::Result` [INFO] [stderr] found struct `aitline::MonthPassengerStat` [INFO] [stderr] help: try using a variant of the expected enum [INFO] [stderr] | [INFO] [stderr] 31 | return Ok(MonthPassengerStat{ [INFO] [stderr] 32 | month_name: rec[0].into(), [INFO] [stderr] 33 | passengers_count: i32::from_str(&rec[1])? [INFO] [stderr] 34 | }); [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] error[E0277]: `?` couldn't convert the error to `aitline::LoadingErr` [INFO] [stderr] --> src/aitline/mod.rs:49:41 [INFO] [stderr] | [INFO] [stderr] 49 | let file = fs::File::open(file_path)?; [INFO] [stderr] | ^ the trait `std::convert::From` is not implemented for `aitline::LoadingErr` [INFO] [stderr] | [INFO] [stderr] = note: the question mark operation (`?`) implicitly performs a conversion on the error value using the `From` trait [INFO] [stderr] = note: required by `std::convert::From::from` [INFO] [stderr] [INFO] [stderr] error[E0277]: the `?` operator can only be used in a closure that returns `Result` or `Option` (or another type that implements `std::ops::Try`) [INFO] [stderr] --> src/aitline/mod.rs:71:56 [INFO] [stderr] | [INFO] [stderr] 71 | .map(|rec|MonthPassengerStat::from_csv_record(&rec?)?) [INFO] [stderr] | ------------------------------------------^^^^-- [INFO] [stderr] | | | [INFO] [stderr] | | cannot use the `?` operator in a closure that returns `aitline::MonthPassengerStat` [INFO] [stderr] | this function should return `Result` or `Option` to accept `?` [INFO] [stderr] | [INFO] [stderr] = help: the trait `std::ops::Try` is not implemented for `aitline::MonthPassengerStat` [INFO] [stderr] = note: required by `std::ops::Try::from_error` [INFO] [stderr] [INFO] [stderr] error[E0277]: the `?` operator can only be used in a closure that returns `Result` or `Option` (or another type that implements `std::ops::Try`) [INFO] [stderr] --> src/aitline/mod.rs:71:19 [INFO] [stderr] | [INFO] [stderr] 71 | .map(|rec|MonthPassengerStat::from_csv_record(&rec?)?) [INFO] [stderr] | -----^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | | | [INFO] [stderr] | | cannot use the `?` operator in a closure that returns `aitline::MonthPassengerStat` [INFO] [stderr] | this function should return `Result` or `Option` to accept `?` [INFO] [stderr] | [INFO] [stderr] = help: the trait `std::ops::Try` is not implemented for `aitline::MonthPassengerStat` [INFO] [stderr] = note: required by `std::ops::Try::from_error` [INFO] [stderr] [INFO] [stderr] error: aborting due to 7 previous errors; 1 warning emitted [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0277, E0308, E0412, E0425. [INFO] [stderr] For more information about an error, try `rustc --explain E0277`. [INFO] [stderr] error: could not compile `rust_common`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/aitline/mod.rs:31:16 [INFO] [stderr] | [INFO] [stderr] 30 | pub fn from_csv_record (rec: &csv::StringRecord) -> Result::Err> { [INFO] [stderr] | ----------------------------------- expected `std::result::Result` because of return type [INFO] [stderr] 31 | return MonthPassengerStat{ [INFO] [stderr] | ________________^ [INFO] [stderr] 32 | | month_name: rec[0].into(), [INFO] [stderr] 33 | | passengers_count: i32::from_str(&rec[1])? [INFO] [stderr] 34 | | }; [INFO] [stderr] | |_________^ expected enum `std::result::Result`, found struct `aitline::MonthPassengerStat` [INFO] [stderr] | [INFO] [stderr] = note: expected enum `std::result::Result` [INFO] [stderr] found struct `aitline::MonthPassengerStat` [INFO] [stderr] help: try using a variant of the expected enum [INFO] [stderr] | [INFO] [stderr] 31 | return Ok(MonthPassengerStat{ [INFO] [stderr] 32 | month_name: rec[0].into(), [INFO] [stderr] 33 | passengers_count: i32::from_str(&rec[1])? [INFO] [stderr] 34 | }); [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] error[E0277]: `?` couldn't convert the error to `aitline::LoadingErr` [INFO] [stderr] --> src/aitline/mod.rs:49:41 [INFO] [stderr] | [INFO] [stderr] 49 | let file = fs::File::open(file_path)?; [INFO] [stderr] | ^ the trait `std::convert::From` is not implemented for `aitline::LoadingErr` [INFO] [stderr] | [INFO] [stderr] = note: the question mark operation (`?`) implicitly performs a conversion on the error value using the `From` trait [INFO] [stderr] = note: required by `std::convert::From::from` [INFO] [stderr] [INFO] [stderr] error[E0277]: the `?` operator can only be used in a closure that returns `Result` or `Option` (or another type that implements `std::ops::Try`) [INFO] [stderr] --> src/aitline/mod.rs:71:56 [INFO] [stderr] | [INFO] [stderr] 71 | .map(|rec|MonthPassengerStat::from_csv_record(&rec?)?) [INFO] [stderr] | ------------------------------------------^^^^-- [INFO] [stderr] | | | [INFO] [stderr] | | cannot use the `?` operator in a closure that returns `aitline::MonthPassengerStat` [INFO] [stderr] | this function should return `Result` or `Option` to accept `?` [INFO] [stderr] | [INFO] [stderr] = help: the trait `std::ops::Try` is not implemented for `aitline::MonthPassengerStat` [INFO] [stderr] = note: required by `std::ops::Try::from_error` [INFO] [stderr] [INFO] [stderr] error[E0277]: the `?` operator can only be used in a closure that returns `Result` or `Option` (or another type that implements `std::ops::Try`) [INFO] [stderr] --> src/aitline/mod.rs:71:19 [INFO] [stderr] | [INFO] [stderr] 71 | .map(|rec|MonthPassengerStat::from_csv_record(&rec?)?) [INFO] [stderr] | -----^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | | | [INFO] [stderr] | | cannot use the `?` operator in a closure that returns `aitline::MonthPassengerStat` [INFO] [stderr] | this function should return `Result` or `Option` to accept `?` [INFO] [stderr] | [INFO] [stderr] = help: the trait `std::ops::Try` is not implemented for `aitline::MonthPassengerStat` [INFO] [stderr] = note: required by `std::ops::Try::from_error` [INFO] [stderr] [INFO] [stderr] error: aborting due to 7 previous errors; 1 warning emitted [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0277, E0308, E0412, E0425. [INFO] [stderr] For more information about an error, try `rustc --explain E0277`. [INFO] [stderr] error: could not compile `rust_common`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "0041ce76de6de1a4df129fb08f968899a03bc0150ec44df3a6f76f823d63b2db"` [INFO] running `"docker" "rm" "-f" "0041ce76de6de1a4df129fb08f968899a03bc0150ec44df3a6f76f823d63b2db"` [INFO] [stdout] 0041ce76de6de1a4df129fb08f968899a03bc0150ec44df3a6f76f823d63b2db