[INFO] fetching crate async-peek 0.3.2...
[INFO] checking async-peek-0.3.2 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate async-peek 0.3.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate async-peek 0.3.2 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-peek 0.3.2
[INFO] finished tweaking crates.io crate async-peek 0.3.2
[INFO] tweaked toml for crates.io crate async-peek 0.3.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b1adbb544f75e2a8d7fbc6254d6c188b61bfa6342b00ea3b6f7780fdd873b5d
[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" "3b1adbb544f75e2a8d7fbc6254d6c188b61bfa6342b00ea3b6f7780fdd873b5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b1adbb544f75e2a8d7fbc6254d6c188b61bfa6342b00ea3b6f7780fdd873b5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b1adbb544f75e2a8d7fbc6254d6c188b61bfa6342b00ea3b6f7780fdd873b5d", kill_on_drop: false }`
[INFO] [stdout] 3b1adbb544f75e2a8d7fbc6254d6c188b61bfa6342b00ea3b6f7780fdd873b5d
[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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a12255d6490a63522551cd25b1b3ae40345731d4b1eff7c587723120be30537b
[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" "a12255d6490a63522551cd25b1b3ae40345731d4b1eff7c587723120be30537b", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking arc-swap v0.4.7
[INFO] [stderr]     Checking futures-micro v0.3.1
[INFO] [stderr]     Checking async-task v3.0.0
[INFO] [stderr]     Checking async-semaphore v1.2.0
[INFO] [stderr]     Checking async-barrier v1.1.0
[INFO] [stderr]     Checking async-rwlock v1.3.0
[INFO] [stderr]     Checking polling v1.1.0
[INFO] [stderr]     Checking ufut v0.3.1
[INFO] [stderr]     Checking async-lock v2.2.0
[INFO] [stderr]     Checking signal-hook-registry v1.2.1
[INFO] [stderr]     Checking async-peek v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking signal-hook v0.1.16
[INFO] [stderr]     Checking futures-lite v1.10.1
[INFO] [stderr]     Checking blocking v1.0.1
[INFO] [stderr]     Checking async-io v1.1.6
[INFO] [stderr]     Checking async-io v0.2.7
[INFO] [stderr]     Checking blocking v0.6.1
[INFO] [stderr]     Checking async-executor v0.2.1
[INFO] [stderr]     Checking async-net v1.4.6
[INFO] [stderr]     Checking async-fs v1.4.0
[INFO] [stderr]     Checking async-process v0.1.3
[INFO] [stderr]     Checking smol v0.4.3
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.39s
[INFO] running `Command { std: "docker" "inspect" "a12255d6490a63522551cd25b1b3ae40345731d4b1eff7c587723120be30537b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a12255d6490a63522551cd25b1b3ae40345731d4b1eff7c587723120be30537b", kill_on_drop: false }`
[INFO] [stdout] a12255d6490a63522551cd25b1b3ae40345731d4b1eff7c587723120be30537b