[INFO] fetching crate xmodmap-pke 0.2.3...
[INFO] checking xmodmap-pke-0.2.3 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate xmodmap-pke 0.2.3 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate xmodmap-pke 0.2.3 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate xmodmap-pke 0.2.3
[INFO] finished tweaking crates.io crate xmodmap-pke 0.2.3
[INFO] tweaked toml for crates.io crate xmodmap-pke 0.2.3 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate xmodmap-pke 0.2.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", 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] 934f5e0d5b3f7e881a4fec39895e2b30a6485cc8d12e8e6b488e0bd87fb328ff
[INFO] running `Command { std: "docker" "start" "-a" "934f5e0d5b3f7e881a4fec39895e2b30a6485cc8d12e8e6b488e0bd87fb328ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "934f5e0d5b3f7e881a4fec39895e2b30a6485cc8d12e8e6b488e0bd87fb328ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "934f5e0d5b3f7e881a4fec39895e2b30a6485cc8d12e8e6b488e0bd87fb328ff", kill_on_drop: false }`
[INFO] [stdout] 934f5e0d5b3f7e881a4fec39895e2b30a6485cc8d12e8e6b488e0bd87fb328ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b5d4f7f5032dcb6e3b65a3b0f557e00629ef18969c6ea4dc9c87b9cc591d2b0f
[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" "b5d4f7f5032dcb6e3b65a3b0f557e00629ef18969c6ea4dc9c87b9cc591d2b0f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling xmodmap-pke v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling x11 v2.18.2
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]  --> examples/t.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     unsafe {
[INFO] [stdout]   |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.38s
[INFO] running `Command { std: "docker" "inspect" "b5d4f7f5032dcb6e3b65a3b0f557e00629ef18969c6ea4dc9c87b9cc591d2b0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5d4f7f5032dcb6e3b65a3b0f557e00629ef18969c6ea4dc9c87b9cc591d2b0f", kill_on_drop: false }`
[INFO] [stdout] b5d4f7f5032dcb6e3b65a3b0f557e00629ef18969c6ea4dc9c87b9cc591d2b0f