[INFO] fetching crate kio 0.2.0...
[INFO] checking kio-0.2.0 against try#b0d0ea232bdae12fa8da8491a91ae1db029990ef for pr-84037
[INFO] extracting crate kio 0.2.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate kio 0.2.0 on toolchain b0d0ea232bdae12fa8da8491a91ae1db029990ef
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kio 0.2.0
[INFO] finished tweaking crates.io crate kio 0.2.0
[INFO] tweaked toml for crates.io crate kio 0.2.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate kio 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded io-uring v0.4.0
[INFO] [stderr]   Downloaded slotmap v1.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "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] 87991d91dde24141ac02755be4b44c227a4fbfe68f100c4e80a629ba18a2bb89
[INFO] running `Command { std: "docker" "start" "-a" "87991d91dde24141ac02755be4b44c227a4fbfe68f100c4e80a629ba18a2bb89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "87991d91dde24141ac02755be4b44c227a4fbfe68f100c4e80a629ba18a2bb89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87991d91dde24141ac02755be4b44c227a4fbfe68f100c4e80a629ba18a2bb89", kill_on_drop: false }`
[INFO] [stdout] 87991d91dde24141ac02755be4b44c227a4fbfe68f100c4e80a629ba18a2bb89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fbeea3c357c2a30acf3cf4d5ccd20fff4f8dd2d8d40b28987ec13712f5de3f28
[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" "fbeea3c357c2a30acf3cf4d5ccd20fff4f8dd2d8d40b28987ec13712f5de3f28", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]     Checking futures-core v0.3.8
[INFO] [stderr]     Checking futures-sink v0.3.8
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling io-uring v0.4.0
[INFO] [stderr]    Compiling anyhow v1.0.37
[INFO] [stderr]    Compiling slotmap v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking futures-channel v0.3.8
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking nix v0.19.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]     Checking pin-project v1.0.2
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking futures-executor v0.3.8
[INFO] [stderr]     Checking futures v0.3.8
[INFO] [stderr]     Checking kio v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.15s
[INFO] running `Command { std: "docker" "inspect" "fbeea3c357c2a30acf3cf4d5ccd20fff4f8dd2d8d40b28987ec13712f5de3f28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbeea3c357c2a30acf3cf4d5ccd20fff4f8dd2d8d40b28987ec13712f5de3f28", kill_on_drop: false }`
[INFO] [stdout] fbeea3c357c2a30acf3cf4d5ccd20fff4f8dd2d8d40b28987ec13712f5de3f28