[INFO] fetching crate lmake_cargo_toml_to_md 0.5.5...
[INFO] checking lmake_cargo_toml_to_md-0.5.5 against beta for pr-78714
[INFO] extracting crate lmake_cargo_toml_to_md 0.5.5 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate lmake_cargo_toml_to_md 0.5.5 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 lmake_cargo_toml_to_md 0.5.5
[INFO] finished tweaking crates.io crate lmake_cargo_toml_to_md 0.5.5
[INFO] tweaked toml for crates.io crate lmake_cargo_toml_to_md 0.5.5 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate lmake_cargo_toml_to_md 0.5.5 already has a lockfile, it will not be regenerated
[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] aafd7d938206c9a1721c94128876c22bd9a957670f5fa8c47b084c5e8ff3b8d1
[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" "aafd7d938206c9a1721c94128876c22bd9a957670f5fa8c47b084c5e8ff3b8d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aafd7d938206c9a1721c94128876c22bd9a957670f5fa8c47b084c5e8ff3b8d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aafd7d938206c9a1721c94128876c22bd9a957670f5fa8c47b084c5e8ff3b8d1", kill_on_drop: false }`
[INFO] [stdout] aafd7d938206c9a1721c94128876c22bd9a957670f5fa8c47b084c5e8ff3b8d1
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b34d300e780bddd21843b0232daca304c14cffa31addd93cdb61d91359c9bcbb
[INFO] running `Command { std: "docker" "start" "-a" "b34d300e780bddd21843b0232daca304c14cffa31addd93cdb61d91359c9bcbb", kill_on_drop: false }`
[INFO] [stderr]     Checking lmake_cargo_toml_to_md v0.5.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.24s
[INFO] running `Command { std: "docker" "inspect" "b34d300e780bddd21843b0232daca304c14cffa31addd93cdb61d91359c9bcbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b34d300e780bddd21843b0232daca304c14cffa31addd93cdb61d91359c9bcbb", kill_on_drop: false }`
[INFO] [stdout] b34d300e780bddd21843b0232daca304c14cffa31addd93cdb61d91359c9bcbb