[INFO] fetching crate neverest 0.1.0...
[INFO] checking neverest-0.1.0 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate neverest 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] removed /workspace/builds/worker-4-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate neverest 0.1.0
[INFO] finished tweaking crates.io crate neverest 0.1.0
[INFO] tweaked toml for crates.io crate neverest 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate neverest 0.1.0 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate neverest 0.1.0 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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d0dce872d89e1e6650b00dca06237a71339919b1e4ab4c91566bffdbab8cf7a9
[INFO] running `Command { std: "docker" "start" "-a" "d0dce872d89e1e6650b00dca06237a71339919b1e4ab4c91566bffdbab8cf7a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0dce872d89e1e6650b00dca06237a71339919b1e4ab4c91566bffdbab8cf7a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0dce872d89e1e6650b00dca06237a71339919b1e4ab4c91566bffdbab8cf7a9", kill_on_drop: false }`
[INFO] [stdout] d0dce872d89e1e6650b00dca06237a71339919b1e4ab4c91566bffdbab8cf7a9
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 232d1867de11888f680c50af50516e089bb9b939a6fdbbae984189eddf8d4a9f
[INFO] running `Command { std: "docker" "start" "-a" "232d1867de11888f680c50af50516e089bb9b939a6fdbbae984189eddf8d4a9f", kill_on_drop: false }`
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[INFO] [stdout] error[E0061]: this method takes 0 arguments but 1 argument was supplied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/email-lib-0.23.2/src/sync/mod.rs:254:14
[INFO] [stdout]     |
[INFO] [stdout] 254 |             .try_lock(FileLockMode::Exclusive)
[INFO] [stdout]     |              ^^^^^^^^ ----------------------- unexpected argument of type `FileLockMode`
[INFO] [stdout]     |
[INFO] [stdout] note: method defined here
[INFO] [stdout]    --> /rustc/a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d/library/std/src/fs.rs:863:12
[INFO] [stdout] help: remove the extra argument
[INFO] [stdout]     |
[INFO] [stdout] 254 -             .try_lock(FileLockMode::Exclusive)
[INFO] [stdout] 254 +             .try_lock()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/email-lib-0.23.2/src/sync/mod.rs:255:49
[INFO] [stdout]     |
[INFO] [stdout] 255 |             .map_err(|err| Error::LockFileError(err, left_lock_file_path.clone()))?;
[INFO] [stdout]     |                            -------------------- ^^^ expected `FileLockError`, found `TryLockError`
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            arguments to this enum variant are incorrect
[INFO] [stdout]     |
[INFO] [stdout] note: tuple variant defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/email-lib-0.23.2/src/sync/error.rs:16:5
[INFO] [stdout]     |
[INFO] [stdout]  16 |     LockFileError(#[source] FileLockError, PathBuf),
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this method takes 0 arguments but 1 argument was supplied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/email-lib-0.23.2/src/sync/mod.rs:266:14
[INFO] [stdout]     |
[INFO] [stdout] 266 |             .try_lock(FileLockMode::Exclusive)
[INFO] [stdout]     |              ^^^^^^^^ ----------------------- unexpected argument of type `FileLockMode`
[INFO] [stdout]     |
[INFO] [stdout] note: method defined here
[INFO] [stdout]    --> /rustc/a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d/library/std/src/fs.rs:863:12
[INFO] [stdout] help: remove the extra argument
[INFO] [stdout]     |
[INFO] [stdout] 266 -             .try_lock(FileLockMode::Exclusive)
[INFO] [stdout] 266 +             .try_lock()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/email-lib-0.23.2/src/sync/mod.rs:267:49
[INFO] [stdout]     |
[INFO] [stdout] 267 |             .map_err(|err| Error::LockFileError(err, right_lock_file_path.clone()))?;
[INFO] [stdout]     |                            -------------------- ^^^ expected `FileLockError`, found `TryLockError`
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            arguments to this enum variant are incorrect
[INFO] [stdout]     |
[INFO] [stdout] note: tuple variant defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/email-lib-0.23.2/src/sync/error.rs:16:5
[INFO] [stdout]     |
[INFO] [stdout]  16 |     LockFileError(#[source] FileLockError, PathBuf),
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/email-lib-0.23.2/src/sync/mod.rs:299:51
[INFO] [stdout]     |
[INFO] [stdout] 299 |             .map_err(|err| Error::UnlockFileError(err, left_lock_file_path))?;
[INFO] [stdout]     |                            ---------------------- ^^^ expected `FileLockError`, found `Error`
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            arguments to this enum variant are incorrect
[INFO] [stdout]     |
[INFO] [stdout] note: tuple variant defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/email-lib-0.23.2/src/sync/error.rs:18:5
[INFO] [stdout]     |
[INFO] [stdout]  18 |     UnlockFileError(#[source] FileLockError, PathBuf),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout] help: try wrapping the expression in `advisory_lock::FileLockError::Io`
[INFO] [stdout]     |
[INFO] [stdout] 299 |             .map_err(|err| Error::UnlockFileError(advisory_lock::FileLockError::Io(err), left_lock_file_path))?;
[INFO] [stdout]     |                                                   +++++++++++++++++++++++++++++++++   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/email-lib-0.23.2/src/sync/mod.rs:302:51
[INFO] [stdout]     |
[INFO] [stdout] 302 |             .map_err(|err| Error::UnlockFileError(err, right_lock_file_path))?;
[INFO] [stdout]     |                            ---------------------- ^^^ expected `FileLockError`, found `Error`
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            arguments to this enum variant are incorrect
[INFO] [stdout]     |
[INFO] [stdout] note: tuple variant defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/email-lib-0.23.2/src/sync/error.rs:18:5
[INFO] [stdout]     |
[INFO] [stdout]  18 |     UnlockFileError(#[source] FileLockError, PathBuf),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout] help: try wrapping the expression in `advisory_lock::FileLockError::Io`
[INFO] [stdout]     |
[INFO] [stdout] 302 |             .map_err(|err| Error::UnlockFileError(advisory_lock::FileLockError::Io(err), right_lock_file_path))?;
[INFO] [stdout]     |                                                   +++++++++++++++++++++++++++++++++   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0061, E0308.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `email-lib` (lib) due to 6 previous errors
[INFO] running `Command { std: "docker" "inspect" "232d1867de11888f680c50af50516e089bb9b939a6fdbbae984189eddf8d4a9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "232d1867de11888f680c50af50516e089bb9b939a6fdbbae984189eddf8d4a9f", kill_on_drop: false }`
[INFO] [stdout] 232d1867de11888f680c50af50516e089bb9b939a6fdbbae984189eddf8d4a9f