[INFO] fetching crate horrorshow 0.8.3...
[INFO] checking horrorshow-0.8.3 against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] extracting crate horrorshow 0.8.3 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate horrorshow 0.8.3 on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate horrorshow 0.8.3
[INFO] finished tweaking crates.io crate horrorshow 0.8.3
[INFO] tweaked toml for crates.io crate horrorshow 0.8.3 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate horrorshow 0.8.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3531996b8591244613ec2813e61a7ea29983bc538dc781734e20e73413860b0d
[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" "3531996b8591244613ec2813e61a7ea29983bc538dc781734e20e73413860b0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3531996b8591244613ec2813e61a7ea29983bc538dc781734e20e73413860b0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3531996b8591244613ec2813e61a7ea29983bc538dc781734e20e73413860b0d", kill_on_drop: false }`
[INFO] [stdout] 3531996b8591244613ec2813e61a7ea29983bc538dc781734e20e73413860b0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ccc766b4577f611025b8c44fda943d9002428b6c31ae9156205ca8db03cb3d28
[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" "ccc766b4577f611025b8c44fda943d9002428b6c31ae9156205ca8db03cb3d28", kill_on_drop: false }`
[INFO] [stderr]     Checking horrorshow v0.8.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.49s
[INFO] running `Command { std: "docker" "inspect" "ccc766b4577f611025b8c44fda943d9002428b6c31ae9156205ca8db03cb3d28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccc766b4577f611025b8c44fda943d9002428b6c31ae9156205ca8db03cb3d28", kill_on_drop: false }`
[INFO] [stdout] ccc766b4577f611025b8c44fda943d9002428b6c31ae9156205ca8db03cb3d28