[INFO] fetching crate parallel_reader 0.1.2...
[INFO] checking parallel_reader-0.1.2 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate parallel_reader 0.1.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate parallel_reader 0.1.2 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate parallel_reader 0.1.2
[INFO] finished tweaking crates.io crate parallel_reader 0.1.2
[INFO] tweaked toml for crates.io crate parallel_reader 0.1.2 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate parallel_reader 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded spin v0.5.2
[INFO] [stderr]   Downloaded once_cell v1.7.2
[INFO] [stderr]   Downloaded cc v1.0.67
[INFO] [stderr]   Downloaded quote v1.0.9
[INFO] [stderr]   Downloaded js-sys v0.3.50
[INFO] [stderr]   Downloaded untrusted v0.7.1
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.73
[INFO] [stderr]   Downloaded bumpalo v3.6.1
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.73
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.73
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.73
[INFO] [stderr]   Downloaded syn v1.0.69
[INFO] [stderr]   Downloaded proc-macro2 v1.0.26
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.73
[INFO] [stderr]   Downloaded libc v0.2.93
[INFO] [stderr]   Downloaded web-sys v0.3.50
[INFO] [stderr]   Downloaded ring v0.16.20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0669d73dd720df0f6f5833955fa603ad7dc3c94ed7a8bd27df124fa8c7ed849a
[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" "0669d73dd720df0f6f5833955fa603ad7dc3c94ed7a8bd27df124fa8c7ed849a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0669d73dd720df0f6f5833955fa603ad7dc3c94ed7a8bd27df124fa8c7ed849a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0669d73dd720df0f6f5833955fa603ad7dc3c94ed7a8bd27df124fa8c7ed849a", kill_on_drop: false }`
[INFO] [stdout] 0669d73dd720df0f6f5833955fa603ad7dc3c94ed7a8bd27df124fa8c7ed849a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--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] 5d00f32fe792e8de55b2521cccf12c2a76da8f65bbcb9e6da8b739c5889c32f2
[INFO] running `Command { std: "docker" "start" "-a" "5d00f32fe792e8de55b2521cccf12c2a76da8f65bbcb9e6da8b739c5889c32f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking parallel_reader v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.14s
[INFO] running `Command { std: "docker" "inspect" "5d00f32fe792e8de55b2521cccf12c2a76da8f65bbcb9e6da8b739c5889c32f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d00f32fe792e8de55b2521cccf12c2a76da8f65bbcb9e6da8b739c5889c32f2", kill_on_drop: false }`
[INFO] [stdout] 5d00f32fe792e8de55b2521cccf12c2a76da8f65bbcb9e6da8b739c5889c32f2