[INFO] cloning repository https://github.com/matthew-reed-holden/en-prawn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/matthew-reed-holden/en-prawn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatthew-reed-holden%2Fen-prawn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatthew-reed-holden%2Fen-prawn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2a3b3cb2c35303029ab25340587934ea73f3ebc4
[INFO] fixing matthew-reed-holden/en-prawn against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=start=2015 for pr-157817-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatthew-reed-holden%2Fen-prawn" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/matthew-reed-holden/en-prawn
[INFO] finished tweaking git repo https://github.com/matthew-reed-holden/en-prawn
[INFO] tweaked toml for git repo https://github.com/matthew-reed-holden/en-prawn written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/matthew-reed-holden/en-prawn on toolchain 622891a4e29178280638a6b63a8908bde2c0c854
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/matthew-reed-holden/en-prawn already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 2bf6cb4e1d520a10dd2210b3fb4a1c818bc1d0e9e11607a4b8ec953d53424298
[INFO] running `Command { std: "docker" "start" "2bf6cb4e1d520a10dd2210b3fb4a1c818bc1d0e9e11607a4b8ec953d53424298", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "2bf6cb4e1d520a10dd2210b3fb4a1c818bc1d0e9e11607a4b8ec953d53424298" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2bf6cb4e1d520a10dd2210b3fb4a1c818bc1d0e9e11607a4b8ec953d53424298", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=" "-e" "RUSTDOCFLAGS=" "-w" "/opt/rustwide/workdir" "--user" "0:0" "2bf6cb4e1d520a10dd2210b3fb4a1c818bc1d0e9e11607a4b8ec953d53424298" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=start=2015", kill_on_drop: false }`
[INFO] [stderr]     Checking crabmate v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fmt::format`
[INFO] [stdout]  --> src/board.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::format;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `Position` doesn't implement `std::fmt::Display`
[INFO] [stdout]   --> src/board.rs:96:29
[INFO] [stdout]    |
[INFO] [stdout] 96 |         println!("FEN: {}", self); // uses our Display impl
[INFO] [stdout]    |                        --   ^^^^ `Position` cannot be formatted with the default formatter
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        required by this formatting parameter
[INFO] [stdout]    |
[INFO] [stdout] help: the trait `std::fmt::Display` is not implemented for `Position`
[INFO] [stdout]   --> src/board.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct Position {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout]    = note: required for `&Position` to implement `std::fmt::Display`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/board.rs:141:13
[INFO] [stdout]     |
[INFO] [stdout] 141 | /             for ch in parts[2].chars() {
[INFO] [stdout] 142 | |                 castling_rights |= match ch {
[INFO] [stdout] 143 | |                     'K' => CASTLE_WK,
[INFO] [stdout] 144 | |                     'Q' => CASTLE_WQ,
[INFO] [stdout] ...   |
[INFO] [stdout] 148 | |                 };
[INFO] [stdout] 149 | |             }
[INFO] [stdout]     | |_____________^ expected `Result<Position, String>`, found `()`
[INFO] [stdout]     |
[INFO] [stdout]     = note:   expected enum `Result<Position, String>`
[INFO] [stdout]             found unit type `()`
[INFO] [stdout]     = note: `for` loops evaluate to unit type `()`
[INFO] [stdout] help: try adding an expression at the end of the block
[INFO] [stdout]     |
[INFO] [stdout] 149 ~             }
[INFO] [stdout] 150 +             Ok(())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0308.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `crabmate` (bin "crabmate") due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused import: `std::fmt::format`
[INFO] [stdout]  --> src/board.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::format;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `Position` doesn't implement `std::fmt::Display`
[INFO] [stdout]   --> src/board.rs:96:29
[INFO] [stdout]    |
[INFO] [stdout] 96 |         println!("FEN: {}", self); // uses our Display impl
[INFO] [stdout]    |                        --   ^^^^ `Position` cannot be formatted with the default formatter
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        required by this formatting parameter
[INFO] [stdout]    |
[INFO] [stdout] help: the trait `std::fmt::Display` is not implemented for `Position`
[INFO] [stdout]   --> src/board.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct Position {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout]    = note: required for `&Position` to implement `std::fmt::Display`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/board.rs:141:13
[INFO] [stdout]     |
[INFO] [stdout] 141 | /             for ch in parts[2].chars() {
[INFO] [stdout] 142 | |                 castling_rights |= match ch {
[INFO] [stdout] 143 | |                     'K' => CASTLE_WK,
[INFO] [stdout] 144 | |                     'Q' => CASTLE_WQ,
[INFO] [stdout] ...   |
[INFO] [stdout] 148 | |                 };
[INFO] [stdout] 149 | |             }
[INFO] [stdout]     | |_____________^ expected `Result<Position, String>`, found `()`
[INFO] [stdout]     |
[INFO] [stdout]     = note:   expected enum `Result<Position, String>`
[INFO] [stdout]             found unit type `()`
[INFO] [stdout]     = note: `for` loops evaluate to unit type `()`
[INFO] [stdout] help: try adding an expression at the end of the block
[INFO] [stdout]     |
[INFO] [stdout] 149 ~             }
[INFO] [stdout] 150 +             Ok(())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0308.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `crabmate` (bin "crabmate" test) due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "2bf6cb4e1d520a10dd2210b3fb4a1c818bc1d0e9e11607a4b8ec953d53424298", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bf6cb4e1d520a10dd2210b3fb4a1c818bc1d0e9e11607a4b8ec953d53424298", kill_on_drop: false }`
[INFO] [stdout] 2bf6cb4e1d520a10dd2210b3fb4a1c818bc1d0e9e11607a4b8ec953d53424298
