[INFO] fetching crate rslint_rowan 0.10.0...
[INFO] checking rslint_rowan-0.10.0 against beta for pr-78714
[INFO] extracting crate rslint_rowan 0.10.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate rslint_rowan 0.10.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rslint_rowan 0.10.0
[INFO] finished tweaking crates.io crate rslint_rowan 0.10.0
[INFO] tweaked toml for crates.io crate rslint_rowan 0.10.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 58e3c960be9fac2cbaa476b907202dc4379b49cf72cc861893ad518eaf42503a
[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" "58e3c960be9fac2cbaa476b907202dc4379b49cf72cc861893ad518eaf42503a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "58e3c960be9fac2cbaa476b907202dc4379b49cf72cc861893ad518eaf42503a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58e3c960be9fac2cbaa476b907202dc4379b49cf72cc861893ad518eaf42503a", kill_on_drop: false }`
[INFO] [stdout] 58e3c960be9fac2cbaa476b907202dc4379b49cf72cc861893ad518eaf42503a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87c2d51ab8b9e861c7a2774426ee2323c44935a8150d3e5f9a9906b0d17a4136
[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" "87c2d51ab8b9e861c7a2774426ee2323c44935a8150d3e5f9a9906b0d17a4136", kill_on_drop: false }`
[INFO] [stderr]     Checking text-size v1.0.0
[INFO] [stderr]     Checking smol_str v0.1.17
[INFO] [stderr]    Compiling erasable v1.2.1
[INFO] [stderr]    Compiling slice-dst v1.5.1
[INFO] [stderr]     Checking m_lexer v0.0.4
[INFO] [stderr]     Checking rslint_rowan v0.10.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.14s
[INFO] running `Command { std: "docker" "inspect" "87c2d51ab8b9e861c7a2774426ee2323c44935a8150d3e5f9a9906b0d17a4136", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87c2d51ab8b9e861c7a2774426ee2323c44935a8150d3e5f9a9906b0d17a4136", kill_on_drop: false }`
[INFO] [stdout] 87c2d51ab8b9e861c7a2774426ee2323c44935a8150d3e5f9a9906b0d17a4136