[INFO] fetching crate fractal-gen 0.1.5...
[INFO] checking fractal-gen-0.1.5 against try#b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 for pr-79470
[INFO] extracting crate fractal-gen 0.1.5 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate fractal-gen 0.1.5 on toolchain b2f80f6008cdafc35b4472bd46afa16cc6b0cd63
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fractal-gen 0.1.5
[INFO] finished tweaking crates.io crate fractal-gen 0.1.5
[INFO] tweaked toml for crates.io crate fractal-gen 0.1.5 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate fractal-gen 0.1.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "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] c302e24a6e14ec1c2cb7a833c66d1b34fcee55014e5e90f0af1de4ca17727ecf
[INFO] running `Command { std: "docker" "start" "-a" "c302e24a6e14ec1c2cb7a833c66d1b34fcee55014e5e90f0af1de4ca17727ecf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c302e24a6e14ec1c2cb7a833c66d1b34fcee55014e5e90f0af1de4ca17727ecf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c302e24a6e14ec1c2cb7a833c66d1b34fcee55014e5e90f0af1de4ca17727ecf", kill_on_drop: false }`
[INFO] [stdout] c302e24a6e14ec1c2cb7a833c66d1b34fcee55014e5e90f0af1de4ca17727ecf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0fb2a47a91af95518937e92267b0b972f54e3e07edcefaa0416e5592875c0099
[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" "0fb2a47a91af95518937e92267b0b972f54e3e07edcefaa0416e5592875c0099", kill_on_drop: false }`
[INFO] [stderr]     Checking fractal-gen v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "0fb2a47a91af95518937e92267b0b972f54e3e07edcefaa0416e5592875c0099", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fb2a47a91af95518937e92267b0b972f54e3e07edcefaa0416e5592875c0099", kill_on_drop: false }`
[INFO] [stdout] 0fb2a47a91af95518937e92267b0b972f54e3e07edcefaa0416e5592875c0099