[INFO] fetching crate awi 0.8.0...
[INFO] checking awi-0.8.0 against master#9503ea19edbf01b9435e80e17d60ce1b88390116 for pr-81782
[INFO] extracting crate awi 0.8.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate awi 0.8.0 on toolchain 9503ea19edbf01b9435e80e17d60ce1b88390116
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "fetch" "--locked" "--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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7096442043a361159fb564533fa13ca28f6ffedf66785589937b3fe3ea02e8b9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7096442043a361159fb564533fa13ca28f6ffedf66785589937b3fe3ea02e8b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7096442043a361159fb564533fa13ca28f6ffedf66785589937b3fe3ea02e8b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7096442043a361159fb564533fa13ca28f6ffedf66785589937b3fe3ea02e8b9", kill_on_drop: false }`
[INFO] [stdout] 7096442043a361159fb564533fa13ca28f6ffedf66785589937b3fe3ea02e8b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a0d4929ea46677dfff6e47fc4e4cc8a0366b67f6050c76508d47c73892c90d2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2a0d4929ea46677dfff6e47fc4e4cc8a0366b67f6050c76508d47c73892c90d2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking afi v0.7.0
[INFO] [stderr]     Checking stick v0.4.1
[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 3.73s
[INFO] running `Command { std: "docker" "inspect" "2a0d4929ea46677dfff6e47fc4e4cc8a0366b67f6050c76508d47c73892c90d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a0d4929ea46677dfff6e47fc4e4cc8a0366b67f6050c76508d47c73892c90d2", kill_on_drop: false }`
[INFO] [stdout] 2a0d4929ea46677dfff6e47fc4e4cc8a0366b67f6050c76508d47c73892c90d2