[INFO] fetching crate keybd_event 0.1.2...
[INFO] checking keybd_event-0.1.2 against master#0d37dca25a51fb900a402c94c8818ad1c2789e30 for pr-77526
[INFO] extracting crate keybd_event 0.1.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate keybd_event 0.1.2 on toolchain 0d37dca25a51fb900a402c94c8818ad1c2789e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate keybd_event 0.1.2
[INFO] finished tweaking crates.io crate keybd_event 0.1.2
[INFO] tweaked toml for crates.io crate keybd_event 0.1.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 70729643d02c17c659b5e0524e822022f601f494d70743de07df1654e07a3918
[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" "70729643d02c17c659b5e0524e822022f601f494d70743de07df1654e07a3918", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "70729643d02c17c659b5e0524e822022f601f494d70743de07df1654e07a3918", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70729643d02c17c659b5e0524e822022f601f494d70743de07df1654e07a3918", kill_on_drop: false }`
[INFO] [stdout] 70729643d02c17c659b5e0524e822022f601f494d70743de07df1654e07a3918
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c8fefb4eeb1cf6cb6b902d65879bc442a67317f94257e7761371a336eeb5f3b7
[INFO] running `Command { std: "docker" "start" "-a" "c8fefb4eeb1cf6cb6b902d65879bc442a67317f94257e7761371a336eeb5f3b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling nix v0.10.0
[INFO] [stderr]     Checking custom_derive v0.1.7
[INFO] [stderr]     Checking enum_derive v0.1.7
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking uinput-sys v0.1.7
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking libudev v0.2.0
[INFO] [stderr]     Checking uinput v0.1.3
[INFO] [stderr]     Checking keybd_event v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/linux.rs:75:32
[INFO] [stdout]    |
[INFO] [stdout] 75 |     pub fn new() -> Result<Box<KBPlatform>, String> {
[INFO] [stdout]    |                                ^^^^^^^^^^ help: use `dyn`: `dyn KBPlatform`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Thread`
[INFO] [stdout]    --> src/lib.rs:277:30
[INFO] [stdout]     |
[INFO] [stdout] 277 |     use std::thread::{sleep, Thread};
[INFO] [stdout]     |                              ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/linux.rs:75:32
[INFO] [stdout]    |
[INFO] [stdout] 75 |     pub fn new() -> Result<Box<KBPlatform>, String> {
[INFO] [stdout]    |                                ^^^^^^^^^^ help: use `dyn`: `dyn KBPlatform`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `EV_SYN`
[INFO] [stdout]  --> src/linux.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | const EV_SYN: i32 = 0x00;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `K_LEFT_CTRL`
[INFO] [stdout]   --> src/linux.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | const K_LEFT_CTRL: u8 = 29;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `K_LEFT_SHIFT`
[INFO] [stdout]   --> src/linux.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | const K_LEFT_SHIFT: u8 = 42;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `K_LEFT_ALT`
[INFO] [stdout]   --> src/linux.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | const K_LEFT_ALT: u8 = 56;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `EV_SYN`
[INFO] [stdout]  --> src/linux.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | const EV_SYN: i32 = 0x00;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `K_LEFT_CTRL`
[INFO] [stdout]   --> src/linux.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | const K_LEFT_CTRL: u8 = 29;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `K_LEFT_SHIFT`
[INFO] [stdout]   --> src/linux.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | const K_LEFT_SHIFT: u8 = 42;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `K_LEFT_ALT`
[INFO] [stdout]   --> src/linux.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | const K_LEFT_ALT: u8 = 56;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.29s
[INFO] running `Command { std: "docker" "inspect" "c8fefb4eeb1cf6cb6b902d65879bc442a67317f94257e7761371a336eeb5f3b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8fefb4eeb1cf6cb6b902d65879bc442a67317f94257e7761371a336eeb5f3b7", kill_on_drop: false }`
[INFO] [stdout] c8fefb4eeb1cf6cb6b902d65879bc442a67317f94257e7761371a336eeb5f3b7