[INFO] fetching crate mssf-util 0.5.0...
[INFO] checking mssf-util-0.5.0 against try#724e78794d2cf06eef820a24c9a4608d63435e1d for pr-149145
[INFO] extracting crate mssf-util 0.5.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate mssf-util 0.5.0
[INFO] finished tweaking crates.io crate mssf-util 0.5.0
[INFO] tweaked toml for crates.io crate mssf-util 0.5.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mssf-util 0.5.0 on toolchain 724e78794d2cf06eef820a24c9a4608d63435e1d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+724e78794d2cf06eef820a24c9a4608d63435e1d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mssf-util 0.5.0 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" "+724e78794d2cf06eef820a24c9a4608d63435e1d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+724e78794d2cf06eef820a24c9a4608d63435e1d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0f28fbb0804edb04bb8379345ca03c97dc4e2f45d3a10117b9bc163712d7acfb
[INFO] running `Command { std: "docker" "start" "-a" "0f28fbb0804edb04bb8379345ca03c97dc4e2f45d3a10117b9bc163712d7acfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f28fbb0804edb04bb8379345ca03c97dc4e2f45d3a10117b9bc163712d7acfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f28fbb0804edb04bb8379345ca03c97dc4e2f45d3a10117b9bc163712d7acfb", kill_on_drop: false }`
[INFO] [stdout] 0f28fbb0804edb04bb8379345ca03c97dc4e2f45d3a10117b9bc163712d7acfb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+724e78794d2cf06eef820a24c9a4608d63435e1d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1422d511e1dbec454159e1fc0d3cb2a82f39aa9e5752847e58ecb97254c8e41
[INFO] running `Command { std: "docker" "start" "-a" "a1422d511e1dbec454159e1fc0d3cb2a82f39aa9e5752847e58ecb97254c8e41", kill_on_drop: false }`
[INFO] [stderr]     Checking windows-link v0.2.1
[INFO] [stderr]     Checking libloading v0.8.9
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]     Checking tracing-subscriber v0.3.20
[INFO] [stderr]    Compiling syn v2.0.107
[INFO] [stderr]     Checking windows-strings v0.5.1
[INFO] [stderr]     Checking windows-result v0.4.1
[INFO] [stdout] error[E0659]: `EmptyErrorInfo` is ambiguous
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/windows-result-0.4.1/src/error.rs:363:20
[INFO] [stdout]     |
[INFO] [stdout] 363 |     pub(crate) use EmptyErrorInfo as ErrorInfo;
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^ ambiguous name
[INFO] [stdout]     |
[INFO] [stdout]     = note: ambiguous because of a conflict between a name from a glob import and a macro-expanded name in the same module during import or macro resolution
[INFO] [stdout] note: `EmptyErrorInfo` could refer to the struct defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/windows-result-0.4.1/src/error.rs:361:5
[INFO] [stdout]     |
[INFO] [stdout] 361 |     pub(crate) struct EmptyErrorInfo;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: `EmptyErrorInfo` could also refer to the struct imported here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/windows-result-0.4.1/src/error.rs:356:9
[INFO] [stdout]     |
[INFO] [stdout] 356 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `EmptyErrorInfo` to disambiguate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0659]: `EmptyErrorInfo` is ambiguous
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/windows-result-0.4.1/src/error.rs:363:20
[INFO] [stdout]     |
[INFO] [stdout] 363 |     pub(crate) use EmptyErrorInfo as ErrorInfo;
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^ ambiguous name
[INFO] [stdout]     |
[INFO] [stdout]     = note: ambiguous because of a conflict between a name from a glob import and a macro-expanded name in the same module during import or macro resolution
[INFO] [stdout] note: `EmptyErrorInfo` could refer to the unit struct defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/windows-result-0.4.1/src/error.rs:361:5
[INFO] [stdout]     |
[INFO] [stdout] 361 |     pub(crate) struct EmptyErrorInfo;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: `EmptyErrorInfo` could also refer to the unit struct imported here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/windows-result-0.4.1/src/error.rs:356:9
[INFO] [stdout]     |
[INFO] [stdout] 356 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `EmptyErrorInfo` to disambiguate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0659`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `windows-result` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "a1422d511e1dbec454159e1fc0d3cb2a82f39aa9e5752847e58ecb97254c8e41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1422d511e1dbec454159e1fc0d3cb2a82f39aa9e5752847e58ecb97254c8e41", kill_on_drop: false }`
[INFO] [stdout] a1422d511e1dbec454159e1fc0d3cb2a82f39aa9e5752847e58ecb97254c8e41