[INFO] fetching crate reproto-semck 0.3.36...
[INFO] checking reproto-semck-0.3.36 against beta for pr-78714
[INFO] extracting crate reproto-semck 0.3.36 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate reproto-semck 0.3.36 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 reproto-semck 0.3.36
[INFO] finished tweaking crates.io crate reproto-semck 0.3.36
[INFO] tweaked toml for crates.io crate reproto-semck 0.3.36 written to /workspace/builds/worker-8/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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b97b514bbe698233403adcf623f70d7144226a1955ed62474ac2a6303a424cbc
[INFO] running `Command { std: "docker" "start" "-a" "b97b514bbe698233403adcf623f70d7144226a1955ed62474ac2a6303a424cbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b97b514bbe698233403adcf623f70d7144226a1955ed62474ac2a6303a424cbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b97b514bbe698233403adcf623f70d7144226a1955ed62474ac2a6303a424cbc", kill_on_drop: false }`
[INFO] [stdout] b97b514bbe698233403adcf623f70d7144226a1955ed62474ac2a6303a424cbc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 26809e9fde117d162f410a84c862c57b95c5a9e32457df88981f46faa0f364af
[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" "26809e9fde117d162f410a84c862c57b95c5a9e32457df88981f46faa0f364af", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]     Checking ropey v0.6.3
[INFO] [stderr]     Checking backtrace v0.3.54
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking serde_test v1.0.117
[INFO] [stderr]     Checking reproto-semver v0.3.36
[INFO] [stderr]     Checking relative-path v0.3.7
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking reproto-core v0.3.36
[INFO] [stderr]     Checking reproto-semck v0.3.36 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.05s
[INFO] running `Command { std: "docker" "inspect" "26809e9fde117d162f410a84c862c57b95c5a9e32457df88981f46faa0f364af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26809e9fde117d162f410a84c862c57b95c5a9e32457df88981f46faa0f364af", kill_on_drop: false }`
[INFO] [stdout] 26809e9fde117d162f410a84c862c57b95c5a9e32457df88981f46faa0f364af