[INFO] fetching crate dialect 0.4.1...
[INFO] checking dialect-0.4.1 against master#0d37dca25a51fb900a402c94c8818ad1c2789e30 for pr-77526
[INFO] extracting crate dialect 0.4.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate dialect 0.4.1 on toolchain 0d37dca25a51fb900a402c94c8818ad1c2789e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dialect 0.4.1
[INFO] finished tweaking crates.io crate dialect 0.4.1
[INFO] tweaked toml for crates.io crate dialect 0.4.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 152c3ab12869770588433e6b7ebc6dfd3589b9259972dce881e68c487c40857d
[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" "152c3ab12869770588433e6b7ebc6dfd3589b9259972dce881e68c487c40857d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "152c3ab12869770588433e6b7ebc6dfd3589b9259972dce881e68c487c40857d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "152c3ab12869770588433e6b7ebc6dfd3589b9259972dce881e68c487c40857d", kill_on_drop: false }`
[INFO] [stdout] 152c3ab12869770588433e6b7ebc6dfd3589b9259972dce881e68c487c40857d
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 88a2f952fc4297bc73998d0e60a9b2ac78c58aee5871e6a5d84ad59d8358cabb
[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" "88a2f952fc4297bc73998d0e60a9b2ac78c58aee5871e6a5d84ad59d8358cabb", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking smol_str v0.1.17
[INFO] [stderr]     Checking strum v0.18.0
[INFO] [stderr]    Compiling strum_macros v0.18.0
[INFO] [stderr]     Checking dialect v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.41s
[INFO] running `Command { std: "docker" "inspect" "88a2f952fc4297bc73998d0e60a9b2ac78c58aee5871e6a5d84ad59d8358cabb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88a2f952fc4297bc73998d0e60a9b2ac78c58aee5871e6a5d84ad59d8358cabb", kill_on_drop: false }`
[INFO] [stdout] 88a2f952fc4297bc73998d0e60a9b2ac78c58aee5871e6a5d84ad59d8358cabb