[INFO] fetching crate mac_utun 0.6.0...
[INFO] checking mac_utun-0.6.0 against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] extracting crate mac_utun 0.6.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate mac_utun 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 mac_utun 0.6.0
[INFO] finished tweaking crates.io crate mac_utun 0.6.0
[INFO] tweaked toml for crates.io crate mac_utun 0.6.0 written to /workspace/builds/worker-7-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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 2 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-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 5e9c1c7333bbc27b44d2c2c454cfba87f854fb7f566f0f0dcb9f16860462adab
[INFO] running `Command { std: "docker" "start" "-a" "5e9c1c7333bbc27b44d2c2c454cfba87f854fb7f566f0f0dcb9f16860462adab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e9c1c7333bbc27b44d2c2c454cfba87f854fb7f566f0f0dcb9f16860462adab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e9c1c7333bbc27b44d2c2c454cfba87f854fb7f566f0f0dcb9f16860462adab", kill_on_drop: false }`
[INFO] [stdout] 5e9c1c7333bbc27b44d2c2c454cfba87f854fb7f566f0f0dcb9f16860462adab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] a87e65f11ea9ac96065217d4f9a79b4c1dd3c1ef9f9d6c648cd8d2ad9bd490ce
[INFO] running `Command { std: "docker" "start" "-a" "a87e65f11ea9ac96065217d4f9a79b4c1dd3c1ef9f9d6c648cd8d2ad9bd490ce", kill_on_drop: false }`
[INFO] [stderr]    Compiling mac_utun v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Error`
[INFO] [stdout]   --> src/lib.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     Err(Error::from(ErrorKind::NotFound))
[INFO] [stdout]    |         ^^^^^ use of undeclared type `Error`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 1  + use core::error::Error;
[INFO] [stdout]    |
[INFO] [stdout] 1  + use core::fmt::Error;
[INFO] [stdout]    |
[INFO] [stdout] 1  + use std::error::Error;
[INFO] [stdout]    |
[INFO] [stdout] 1  + use std::fmt::Error;
[INFO] [stdout]    |
[INFO] [stdout]      and 1 other candidate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Error`
[INFO] [stdout]   --> src/lib.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     Err(Error::from(ErrorKind::NotFound))
[INFO] [stdout]    |         ^^^^^ use of undeclared type `Error`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 1  + use core::error::Error;
[INFO] [stdout]    |
[INFO] [stdout] 1  + use core::fmt::Error;
[INFO] [stdout]    |
[INFO] [stdout] 1  + use std::error::Error;
[INFO] [stdout]    |
[INFO] [stdout] 1  + use std::fmt::Error;
[INFO] [stdout]    |
[INFO] [stdout]      and 1 other candidate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `ErrorKind`
[INFO] [stdout]   --> src/lib.rs:25:21
[INFO] [stdout]    |
[INFO] [stdout] 25 |     Err(Error::from(ErrorKind::NotFound))
[INFO] [stdout]    |                     ^^^^^^^^^ use of undeclared type `ErrorKind`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]    |
[INFO] [stdout] 1  + use std::io::ErrorKind;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `ErrorKind`
[INFO] [stdout]   --> src/lib.rs:25:21
[INFO] [stdout]    |
[INFO] [stdout] 25 |     Err(Error::from(ErrorKind::NotFound))
[INFO] [stdout]    |                     ^^^^^^^^^ use of undeclared type `ErrorKind`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]    |
[INFO] [stdout] 1  + use std::io::ErrorKind;
[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] [stderr] error: could not compile `mac_utun` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `mac_utun` (lib test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "a87e65f11ea9ac96065217d4f9a79b4c1dd3c1ef9f9d6c648cd8d2ad9bd490ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a87e65f11ea9ac96065217d4f9a79b4c1dd3c1ef9f9d6c648cd8d2ad9bd490ce", kill_on_drop: false }`
[INFO] [stdout] a87e65f11ea9ac96065217d4f9a79b4c1dd3c1ef9f9d6c648cd8d2ad9bd490ce