[INFO] fetching crate microasync-util 0.1.7...
[INFO] checking microasync-util-0.1.7 against master#f167efad2f51088d86180ee89177b3d7c9e7c2f5 for pr-129543
[INFO] extracting crate microasync-util 0.1.7 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate microasync-util 0.1.7 on toolchain f167efad2f51088d86180ee89177b3d7c9e7c2f5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate microasync-util 0.1.7
[INFO] finished tweaking crates.io crate microasync-util 0.1.7
[INFO] tweaked toml for crates.io crate microasync-util 0.1.7 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate microasync-util 0.1.7 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" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded microasync v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1bd66f2dd568e8eadd5d618d12054a79ba3913398caafca346f81c2ff34f5a98
[INFO] running `Command { std: "docker" "start" "-a" "1bd66f2dd568e8eadd5d618d12054a79ba3913398caafca346f81c2ff34f5a98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1bd66f2dd568e8eadd5d618d12054a79ba3913398caafca346f81c2ff34f5a98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bd66f2dd568e8eadd5d618d12054a79ba3913398caafca346f81c2ff34f5a98", kill_on_drop: false }`
[INFO] [stdout] 1bd66f2dd568e8eadd5d618d12054a79ba3913398caafca346f81c2ff34f5a98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93261e3e996eb8a44874d648096014300a806fd12297b0c6f88981b8cfe9a237
[INFO] running `Command { std: "docker" "start" "-a" "93261e3e996eb8a44874d648096014300a806fd12297b0c6f88981b8cfe9a237", kill_on_drop: false }`
[INFO] [stderr]     Checking microasync v0.4.1
[INFO] [stderr]     Checking microasync-util v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]  --> src/io/mod.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use read::*;
[INFO] [stdout]   |         ^^^^^^^ the name `file` in the type namespace is first re-exported here
[INFO] [stdout] 8 | pub use write::*;
[INFO] [stdout]   |         -------- but the name `file` in the type namespace is also re-exported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(ambiguous_glob_reexports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]  --> src/io/mod.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use read::*;
[INFO] [stdout]   |         ^^^^^^^ the name `tcpstream` in the type namespace is first re-exported here
[INFO] [stdout] 8 | pub use write::*;
[INFO] [stdout]   |         -------- but the name `tcpstream` in the type namespace is also re-exported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]  --> src/io/mod.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use read::*;
[INFO] [stdout]   |         ^^^^^^^ the name `udpsocket` in the type namespace is first re-exported here
[INFO] [stdout] 8 | pub use write::*;
[INFO] [stdout]   |         -------- but the name `udpsocket` in the type namespace is also re-exported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]  --> src/io/mod.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use read::*;
[INFO] [stdout]   |         ^^^^^^^ the name `file` in the type namespace is first re-exported here
[INFO] [stdout] 8 | pub use write::*;
[INFO] [stdout]   |         -------- but the name `file` in the type namespace is also re-exported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(ambiguous_glob_reexports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]  --> src/io/mod.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use read::*;
[INFO] [stdout]   |         ^^^^^^^ the name `tcpstream` in the type namespace is first re-exported here
[INFO] [stdout] 8 | pub use write::*;
[INFO] [stdout]   |         -------- but the name `tcpstream` in the type namespace is also re-exported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]  --> src/io/mod.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use read::*;
[INFO] [stdout]   |         ^^^^^^^ the name `udpsocket` in the type namespace is first re-exported here
[INFO] [stdout] 8 | pub use write::*;
[INFO] [stdout]   |         -------- but the name `udpsocket` in the type namespace is also re-exported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ForceSync` is never constructed
[INFO] [stdout]   --> src/queued_runtime.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct ForceSync<T>(T);
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ForceSync` is never constructed
[INFO] [stdout]   --> src/queued_runtime.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct ForceSync<T>(T);
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "93261e3e996eb8a44874d648096014300a806fd12297b0c6f88981b8cfe9a237", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93261e3e996eb8a44874d648096014300a806fd12297b0c6f88981b8cfe9a237", kill_on_drop: false }`
[INFO] [stdout] 93261e3e996eb8a44874d648096014300a806fd12297b0c6f88981b8cfe9a237