[INFO] fetching crate straw 0.3.0...
[INFO] checking straw-0.3.0 against try#6f12b8fe67b4eed2e838dab803ed9493b9d62c0f for pr-79073
[INFO] extracting crate straw 0.3.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate straw 0.3.0 on toolchain 6f12b8fe67b4eed2e838dab803ed9493b9d62c0f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate straw 0.3.0
[INFO] finished tweaking crates.io crate straw 0.3.0
[INFO] tweaked toml for crates.io crate straw 0.3.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "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] a778cb16805879a8af411a67b846d0c9352310f6fb5ec63da8f14d60d9dc57ce
[INFO] running `Command { std: "docker" "start" "-a" "a778cb16805879a8af411a67b846d0c9352310f6fb5ec63da8f14d60d9dc57ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a778cb16805879a8af411a67b846d0c9352310f6fb5ec63da8f14d60d9dc57ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a778cb16805879a8af411a67b846d0c9352310f6fb5ec63da8f14d60d9dc57ce", kill_on_drop: false }`
[INFO] [stdout] a778cb16805879a8af411a67b846d0c9352310f6fb5ec63da8f14d60d9dc57ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "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] 5bdeb903c05565ad241911c594c45f5668b2a7e6be805a78f65f12a670609d0c
[INFO] running `Command { std: "docker" "start" "-a" "5bdeb903c05565ad241911c594c45f5668b2a7e6be805a78f65f12a670609d0c", kill_on_drop: false }`
[INFO] [stderr]     Checking straw v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "5bdeb903c05565ad241911c594c45f5668b2a7e6be805a78f65f12a670609d0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bdeb903c05565ad241911c594c45f5668b2a7e6be805a78f65f12a670609d0c", kill_on_drop: false }`
[INFO] [stdout] 5bdeb903c05565ad241911c594c45f5668b2a7e6be805a78f65f12a670609d0c