[INFO] fetching crate custom_error_core 1.9.0...
[INFO] checking custom_error_core-1.9.0 against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] extracting crate custom_error_core 1.9.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate custom_error_core 1.9.0 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 custom_error_core 1.9.0
[INFO] finished tweaking crates.io crate custom_error_core 1.9.0
[INFO] tweaked toml for crates.io crate custom_error_core 1.9.0 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] 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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 20b375ab7bbcc3f466b25d269783be4c2b193fe652c5ca6531cce5f007acc79e
[INFO] running `Command { std: "docker" "start" "-a" "20b375ab7bbcc3f466b25d269783be4c2b193fe652c5ca6531cce5f007acc79e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "20b375ab7bbcc3f466b25d269783be4c2b193fe652c5ca6531cce5f007acc79e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20b375ab7bbcc3f466b25d269783be4c2b193fe652c5ca6531cce5f007acc79e", kill_on_drop: false }`
[INFO] [stdout] 20b375ab7bbcc3f466b25d269783be4c2b193fe652c5ca6531cce5f007acc79e
[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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 91aa07da74ed43206979fd9259a04b38d93d40891f19ba6d4535cf9417d24c29
[INFO] running `Command { std: "docker" "start" "-a" "91aa07da74ed43206979fd9259a04b38d93d40891f19ba6d4535cf9417d24c29", kill_on_drop: false }`
[INFO] [stderr]     Checking custom_error_core v1.9.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0463]: can't find crate for `custom_error`
[INFO] [stdout]  --> tests/tests.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | extern crate custom_error;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `custom_error` in this scope
[INFO] [stdout]  --> tests/tests.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | custom_error! {
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `custom_error` is imported here, but it is an unresolved item, not a macro
[INFO] [stdout]  --> tests/tests.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | extern crate custom_error;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]   |
[INFO] [stdout] 4 + use custom_error_core::custom_error;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `custom_error` in this scope
[INFO] [stdout]   --> tests/tests.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | custom_error! {FileParseError
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `custom_error` is imported here, but it is an unresolved item, not a macro
[INFO] [stdout]   --> tests/tests.rs:2:1
[INFO] [stdout]    |
[INFO] [stdout] 2  | extern crate custom_error;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]    |
[INFO] [stdout] 4  + use custom_error_core::custom_error;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `OpenFileError` in this scope
[INFO] [stdout]   --> tests/tests.rs:13:54
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn open_file_verbose(filename: &str) -> Result<File, OpenFileError> {
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: you might be missing a type parameter
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn open_file_verbose<OpenFileError>(filename: &str) -> Result<File, OpenFileError> {
[INFO] [stdout]    |                     +++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `FileParseError` in this scope
[INFO] [stdout]   --> tests/tests.rs:29:49
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn parse_hex_file(filename: &str) -> Result<u8, FileParseError> {
[INFO] [stdout]    |                                                 ^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: you might be missing a type parameter
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn parse_hex_file<FileParseError>(filename: &str) -> Result<u8, FileParseError> {
[INFO] [stdout]    |                  ++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `OpenFileError`
[INFO] [stdout]   --> tests/tests.rs:18:14
[INFO] [stdout]    |
[INFO] [stdout] 18 |         _ => OpenFileError::Other,
[INFO] [stdout]    |              ^^^^^^^^^^^^^ use of undeclared type `OpenFileError`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `OpenFileError`
[INFO] [stdout]   --> tests/tests.rs:15:32
[INFO] [stdout]    |
[INFO] [stdout] 15 |         ErrorKind::NotFound => OpenFileError::NotFound {
[INFO] [stdout]    |                                ^^^^^^^^^^^^^ use of undeclared type `OpenFileError`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `FileParseError`
[INFO] [stdout]   --> tests/tests.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 35 |         Err(FileParseError::TooLarge { value })
[INFO] [stdout]    |             ^^^^^^^^^^^^^^ use of undeclared type `FileParseError`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 8 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0433, E0463.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `custom_error_core` (test "tests") due to 9 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "91aa07da74ed43206979fd9259a04b38d93d40891f19ba6d4535cf9417d24c29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91aa07da74ed43206979fd9259a04b38d93d40891f19ba6d4535cf9417d24c29", kill_on_drop: false }`
[INFO] [stdout] 91aa07da74ed43206979fd9259a04b38d93d40891f19ba6d4535cf9417d24c29