[INFO] fetching crate origin 0.3.0...
[INFO] testing origin-0.3.0 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate origin 0.3.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate origin 0.3.0 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate origin 0.3.0
[INFO] finished tweaking crates.io crate origin 0.3.0
[INFO] tweaked toml for crates.io crate origin 0.3.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] Downloading crates ...
[INFO] [stderr] Downloaded io-lifetimes v0.4.3
[INFO] [stderr] Downloaded dlmalloc v0.2.3
[INFO] [stderr] Downloaded rustix v0.27.1
[INFO] [stderr] Downloaded linux-raw-sys v0.0.36
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 89eac033d47c4a4ddfd1fd08f61e8d1fc6a8bca777a19b1a5d2997a2c0a3526f
[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" "89eac033d47c4a4ddfd1fd08f61e8d1fc6a8bca777a19b1a5d2997a2c0a3526f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "89eac033d47c4a4ddfd1fd08f61e8d1fc6a8bca777a19b1a5d2997a2c0a3526f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89eac033d47c4a4ddfd1fd08f61e8d1fc6a8bca777a19b1a5d2997a2c0a3526f", kill_on_drop: false }`
[INFO] [stdout] 89eac033d47c4a4ddfd1fd08f61e8d1fc6a8bca777a19b1a5d2997a2c0a3526f
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--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] f07c10f6bbf0af384132db6fbeab94fd6ce1187662048ad1b44b38595f40a779
[INFO] running `Command { std: "docker" "start" "-a" "f07c10f6bbf0af384132db6fbeab94fd6ce1187662048ad1b44b38595f40a779", kill_on_drop: false }`
[INFO] [stderr] Compiling libc v0.2.108
[INFO] [stderr] Compiling io-lifetimes v0.4.3
[INFO] [stderr] Compiling dlmalloc v0.2.3
[INFO] [stderr] Compiling log v0.4.14
[INFO] [stderr] Compiling rustix v0.27.1
[INFO] [stderr] Compiling cfg-if v1.0.0
[INFO] [stderr] Compiling linux-raw-sys v0.0.36
[INFO] [stderr] Compiling memoffset v0.6.4
[INFO] [stderr] Compiling origin v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout] --> src/program.rs:307:27
[INFO] [stdout] |
[INFO] [stdout] 278 | pub unsafe fn fork() -> rustix::io::Result