[INFO] fetching crate microasync-util 0.1.7...
[INFO] checking microasync-util-0.1.7 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate microasync-util 0.1.7 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate microasync-util 0.1.7 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "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-6-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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "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-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed1a6d2b5415d6f7f7f2461e840b16e21170cad791bd2a08322e1eda04423b5d
[INFO] running `Command { std: "docker" "start" "-a" "ed1a6d2b5415d6f7f7f2461e840b16e21170cad791bd2a08322e1eda04423b5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed1a6d2b5415d6f7f7f2461e840b16e21170cad791bd2a08322e1eda04423b5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed1a6d2b5415d6f7f7f2461e840b16e21170cad791bd2a08322e1eda04423b5d", kill_on_drop: false }`
[INFO] [stdout] ed1a6d2b5415d6f7f7f2461e840b16e21170cad791bd2a08322e1eda04423b5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6af144cbe090a3650bbf8f109fbf510c676a47cbd7c0c50e231811809a73dba5
[INFO] running `Command { std: "docker" "start" "-a" "6af144cbe090a3650bbf8f109fbf510c676a47cbd7c0c50e231811809a73dba5", 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 0.38s
[INFO] running `Command { std: "docker" "inspect" "6af144cbe090a3650bbf8f109fbf510c676a47cbd7c0c50e231811809a73dba5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6af144cbe090a3650bbf8f109fbf510c676a47cbd7c0c50e231811809a73dba5", kill_on_drop: false }`
[INFO] [stdout] 6af144cbe090a3650bbf8f109fbf510c676a47cbd7c0c50e231811809a73dba5