[INFO] fetching crate scrap 0.5.0...
[INFO] checking scrap-0.5.0 against try#7b3565da729099dbe807466fcd118fb2815986e0 for pr-81789
[INFO] extracting crate scrap 0.5.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate scrap 0.5.0 on toolchain 7b3565da729099dbe807466fcd118fb2815986e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate scrap 0.5.0
[INFO] finished tweaking crates.io crate scrap 0.5.0
[INFO] tweaked toml for crates.io crate scrap 0.5.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded repng v0.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a9e6ec54d9a2cc7672eaadddd796e98138db219affa8f14058c59231522cf50
[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" "6a9e6ec54d9a2cc7672eaadddd796e98138db219affa8f14058c59231522cf50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a9e6ec54d9a2cc7672eaadddd796e98138db219affa8f14058c59231522cf50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a9e6ec54d9a2cc7672eaadddd796e98138db219affa8f14058c59231522cf50", kill_on_drop: false }`
[INFO] [stdout] 6a9e6ec54d9a2cc7672eaadddd796e98138db219affa8f14058c59231522cf50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 81e35909ef69680a132d488cef8fe504edb00d9a7e07262a0bc42fe2121e0cbc
[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" "81e35909ef69680a132d488cef8fe504edb00d9a7e07262a0bc42fe2121e0cbc", kill_on_drop: false }`
[INFO] [stderr]    Compiling scrap v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stdout] error: casting pointer to `isize`
[INFO] [stdout]   --> src/x11/capturer.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 52 |         if buffer as isize == -1 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^ help: to cast to `isize`, cast to `usize` first: `buffer as usize as isize`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(invalid_ptr_to_int_cast)]` on by default
[INFO] [stdout]    = help: pointers should only be cast to `usize` or `u64`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `scrap`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "81e35909ef69680a132d488cef8fe504edb00d9a7e07262a0bc42fe2121e0cbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81e35909ef69680a132d488cef8fe504edb00d9a7e07262a0bc42fe2121e0cbc", kill_on_drop: false }`
[INFO] [stdout] 81e35909ef69680a132d488cef8fe504edb00d9a7e07262a0bc42fe2121e0cbc