[INFO] fetching crate friendly-chess 0.6.0...
[INFO] checking friendly-chess-0.6.0 against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] extracting crate friendly-chess 0.6.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate friendly-chess 0.6.0 on toolchain 506512391b1a75ae450d36c9420978402a91abcc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate friendly-chess 0.6.0
[INFO] finished tweaking crates.io crate friendly-chess 0.6.0
[INFO] tweaked toml for crates.io crate friendly-chess 0.6.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 7 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2a4e27347ea804cd869308d75b4410b9e45214eefa997c02899bf837c0f990e2
[INFO] running `Command { std: "docker" "start" "-a" "2a4e27347ea804cd869308d75b4410b9e45214eefa997c02899bf837c0f990e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a4e27347ea804cd869308d75b4410b9e45214eefa997c02899bf837c0f990e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a4e27347ea804cd869308d75b4410b9e45214eefa997c02899bf837c0f990e2", kill_on_drop: false }`
[INFO] [stdout] 2a4e27347ea804cd869308d75b4410b9e45214eefa997c02899bf837c0f990e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ee88ed15386b1139e00224f59b23cc7159e6c5198c43fa63b353918fe03b3dea
[INFO] running `Command { std: "docker" "start" "-a" "ee88ed15386b1139e00224f59b23cc7159e6c5198c43fa63b353918fe03b3dea", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.66
[INFO] [stderr]    Compiling thiserror-impl v1.0.61
[INFO] [stderr]     Checking thiserror v1.0.61
[INFO] [stderr]     Checking friendly-chess v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `checkmate`
[INFO] [stdout]  --> tests/insufficient_materials.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use checkmate::chess::*;
[INFO] [stdout]   |     ^^^^^^^^^ use of undeclared crate or module `checkmate`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `checkmate`
[INFO] [stdout]  --> tests/checkmate.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use checkmate::chess::*;
[INFO] [stdout]   |     ^^^^^^^^^ use of undeclared crate or module `checkmate`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `checkmate`
[INFO] [stdout]  --> tests/check.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use checkmate::chess::*;
[INFO] [stdout]   |     ^^^^^^^^^ use of undeclared crate or module `checkmate`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `checkmate`
[INFO] [stdout]  --> tests/stalemate.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use checkmate::chess::*;
[INFO] [stdout]   |     ^^^^^^^^^ use of undeclared crate or module `checkmate`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Chess`
[INFO] [stdout]   --> tests/checkmate.rs:17:21
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let mut chess = Chess::new();
[INFO] [stdout]    |                     ^^^^^ use of undeclared type `Chess`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 1  + use friendly_chess::chess::Chess;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Chess`
[INFO] [stdout]   --> tests/insufficient_materials.rs:21:21
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let mut chess = Chess::new();
[INFO] [stdout]    |                     ^^^^^ use of undeclared type `Chess`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 1  + use friendly_chess::chess::Chess;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Chess`
[INFO] [stdout]   --> tests/stalemate.rs:15:21
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let mut chess = Chess::new();
[INFO] [stdout]    |                     ^^^^^ use of undeclared type `Chess`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 1  + use friendly_chess::chess::Chess;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Chess`
[INFO] [stdout]  --> tests/check.rs:5:21
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut chess = Chess::new();
[INFO] [stdout]   |                     ^^^^^ use of undeclared type `Chess`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 1 + use friendly_chess::chess::Chess;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Chess`
[INFO] [stdout]   --> tests/check.rs:14:21
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let mut chess = Chess::new();
[INFO] [stdout]    |                     ^^^^^ use of undeclared type `Chess`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 1  + use friendly_chess::chess::Chess;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Chess`
[INFO] [stdout]   --> tests/check.rs:23:21
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let mut chess = Chess::new();
[INFO] [stdout]    |                     ^^^^^ use of undeclared type `Chess`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 1  + use friendly_chess::chess::Chess;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Chess`
[INFO] [stdout]   --> tests/check.rs:32:21
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let mut chess = Chess::new();
[INFO] [stdout]    |                     ^^^^^ use of undeclared type `Chess`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 1  + use friendly_chess::chess::Chess;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `friendly-chess` (test "checkmate") due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `friendly-chess` (test "insufficient_materials") due to 3 previous errors
[INFO] [stderr] error: could not compile `friendly-chess` (test "stalemate") due to 3 previous errors
[INFO] [stderr] error: could not compile `friendly-chess` (test "check") due to 6 previous errors
[INFO] running `Command { std: "docker" "inspect" "ee88ed15386b1139e00224f59b23cc7159e6c5198c43fa63b353918fe03b3dea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee88ed15386b1139e00224f59b23cc7159e6c5198c43fa63b353918fe03b3dea", kill_on_drop: false }`
[INFO] [stdout] ee88ed15386b1139e00224f59b23cc7159e6c5198c43fa63b353918fe03b3dea
[INFO] checking friendly-chess-0.6.0 against try#dae34b759e282c069aa28752564694effd121a63 for pr-125384
[INFO] extracting crate friendly-chess 0.6.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate friendly-chess 0.6.0 on toolchain dae34b759e282c069aa28752564694effd121a63
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate friendly-chess 0.6.0
[INFO] finished tweaking crates.io crate friendly-chess 0.6.0
[INFO] tweaked toml for crates.io crate friendly-chess 0.6.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 7 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 45eeeab7fa534718a4f5d3dad7955bf2f90319d7be6a49bf31094e3ce7b3f681
[INFO] running `Command { std: "docker" "start" "-a" "45eeeab7fa534718a4f5d3dad7955bf2f90319d7be6a49bf31094e3ce7b3f681", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "45eeeab7fa534718a4f5d3dad7955bf2f90319d7be6a49bf31094e3ce7b3f681", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45eeeab7fa534718a4f5d3dad7955bf2f90319d7be6a49bf31094e3ce7b3f681", kill_on_drop: false }`
[INFO] [stdout] 45eeeab7fa534718a4f5d3dad7955bf2f90319d7be6a49bf31094e3ce7b3f681
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 780be03e669021d2b1d76f6018ae7628bc2bd012a877da620ecd669dd8398aad
[INFO] running `Command { std: "docker" "start" "-a" "780be03e669021d2b1d76f6018ae7628bc2bd012a877da620ecd669dd8398aad", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] skipping non-2021 edition `2018`
[INFO] running `Command { std: "docker" "inspect" "780be03e669021d2b1d76f6018ae7628bc2bd012a877da620ecd669dd8398aad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "780be03e669021d2b1d76f6018ae7628bc2bd012a877da620ecd669dd8398aad", kill_on_drop: false }`
[INFO] [stdout] 780be03e669021d2b1d76f6018ae7628bc2bd012a877da620ecd669dd8398aad