[INFO] fetching crate simple-grid 1.0.1...
[INFO] checking simple-grid-1.0.1 against try#575650af7d7ca88602df28e39d27bf3e456c306e for pr-80579
[INFO] extracting crate simple-grid 1.0.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate simple-grid 1.0.1 on toolchain 575650af7d7ca88602df28e39d27bf3e456c306e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate simple-grid 1.0.1
[INFO] finished tweaking crates.io crate simple-grid 1.0.1
[INFO] tweaked toml for crates.io crate simple-grid 1.0.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate simple-grid 1.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 32b3cae258c539cc7b8e0d37d5f474736c2e52a3ad41335d690df93ee76efdae
[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" "32b3cae258c539cc7b8e0d37d5f474736c2e52a3ad41335d690df93ee76efdae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "32b3cae258c539cc7b8e0d37d5f474736c2e52a3ad41335d690df93ee76efdae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32b3cae258c539cc7b8e0d37d5f474736c2e52a3ad41335d690df93ee76efdae", kill_on_drop: false }`
[INFO] [stdout] 32b3cae258c539cc7b8e0d37d5f474736c2e52a3ad41335d690df93ee76efdae
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a79f38f15c022325b7503d94e103e635d1c53889aa701e03adeadf308637250
[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" "3a79f38f15c022325b7503d94e103e635d1c53889aa701e03adeadf308637250", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling serde_json v1.0.60
[INFO] [stderr]     Checking simple-grid v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.31s
[INFO] running `Command { std: "docker" "inspect" "3a79f38f15c022325b7503d94e103e635d1c53889aa701e03adeadf308637250", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a79f38f15c022325b7503d94e103e635d1c53889aa701e03adeadf308637250", kill_on_drop: false }`
[INFO] [stdout] 3a79f38f15c022325b7503d94e103e635d1c53889aa701e03adeadf308637250