[INFO] fetching crate awi 0.8.0...
[INFO] checking awi-0.8.0 against 1.55.0 for beta-1.56-3
[INFO] extracting crate awi 0.8.0 into /workspace/builds/worker-35/source
[INFO] validating manifest of crates.io crate awi 0.8.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate awi 0.8.0
[INFO] finished tweaking crates.io crate awi 0.8.0
[INFO] tweaked toml for crates.io crate awi 0.8.0 written to /workspace/builds/worker-35/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 72017d616a449acb8cf7db565042accce54396303365d7ad0aa356a7611c54d3
[INFO] running `Command { std: "docker" "start" "-a" "72017d616a449acb8cf7db565042accce54396303365d7ad0aa356a7611c54d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "72017d616a449acb8cf7db565042accce54396303365d7ad0aa356a7611c54d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72017d616a449acb8cf7db565042accce54396303365d7ad0aa356a7611c54d3", kill_on_drop: false }`
[INFO] [stdout] 72017d616a449acb8cf7db565042accce54396303365d7ad0aa356a7611c54d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0572606a0766dc91dc5c7974998b6a94f61a2e2585fa223d60370f35893d283b
[INFO] running `Command { std: "docker" "start" "-a" "0572606a0766dc91dc5c7974998b6a94f61a2e2585fa223d60370f35893d283b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking stick v0.4.1
[INFO] [stderr]     Checking afi v0.7.0
[INFO] [stderr]     Checking dl_api v0.2.0
[INFO] [stderr]     Checking awi v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `String` is imported redundantly
[INFO] [stdout]    --> src/os/linux/mod.rs:284:6
[INFO] [stdout]     |
[INFO] [stdout] 284 |     use std::string::String;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `String` is imported redundantly
[INFO] [stdout]    --> src/os/linux/mod.rs:284:6
[INFO] [stdout]     |
[INFO] [stdout] 284 |     use std::string::String;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `free` redeclared with a different signature
[INFO] [stdout]    --> src/os/linux/mod.rs:286:11
[INFO] [stdout]     |
[INFO] [stdout] 245 |         extern { fn free(this: *mut XcbInternAtomReply) -> (); }
[INFO] [stdout]     |                  --------------------------------------------- `free` previously declared here
[INFO] [stdout] ...
[INFO] [stdout] 286 |     extern { fn free(event: *mut XcbGenericEvent) -> (); }
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(clashing_extern_declarations)]` on by default
[INFO] [stdout]     = note: expected `unsafe extern "C" fn(*mut XcbInternAtomReply)`
[INFO] [stdout]                found `unsafe extern "C" fn(*mut XcbGenericEvent)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `free` redeclared with a different signature
[INFO] [stdout]    --> src/os/linux/mod.rs:286:11
[INFO] [stdout]     |
[INFO] [stdout] 245 |         extern { fn free(this: *mut XcbInternAtomReply) -> (); }
[INFO] [stdout]     |                  --------------------------------------------- `free` previously declared here
[INFO] [stdout] ...
[INFO] [stdout] 286 |     extern { fn free(event: *mut XcbGenericEvent) -> (); }
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(clashing_extern_declarations)]` on by default
[INFO] [stdout]     = note: expected `unsafe extern "C" fn(*mut XcbInternAtomReply)`
[INFO] [stdout]                found `unsafe extern "C" fn(*mut XcbGenericEvent)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.35s
[INFO] running `Command { std: "docker" "inspect" "0572606a0766dc91dc5c7974998b6a94f61a2e2585fa223d60370f35893d283b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0572606a0766dc91dc5c7974998b6a94f61a2e2585fa223d60370f35893d283b", kill_on_drop: false }`
[INFO] [stdout] 0572606a0766dc91dc5c7974998b6a94f61a2e2585fa223d60370f35893d283b
