[INFO] fetching crate ego 0.3.1...
[INFO] checking ego-0.3.1 against beta for pr-78714
[INFO] extracting crate ego 0.3.1 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate ego 0.3.1 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 ego 0.3.1
[INFO] finished tweaking crates.io crate ego 0.3.1
[INFO] tweaked toml for crates.io crate ego 0.3.1 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate ego 0.3.1 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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] b359b17cd9a8f4e1231f3ed713ca8ce667a43929f9b69bdbaeb26cadfd40f76e
[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" "b359b17cd9a8f4e1231f3ed713ca8ce667a43929f9b69bdbaeb26cadfd40f76e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b359b17cd9a8f4e1231f3ed713ca8ce667a43929f9b69bdbaeb26cadfd40f76e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b359b17cd9a8f4e1231f3ed713ca8ce667a43929f9b69bdbaeb26cadfd40f76e", kill_on_drop: false }`
[INFO] [stdout] b359b17cd9a8f4e1231f3ed713ca8ce667a43929f9b69bdbaeb26cadfd40f76e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 9f518eee2904da4606cd7549689de673bfb44f49d03e634c2a6c42da547a5204
[INFO] running `Command { std: "docker" "start" "-a" "9f518eee2904da4606cd7549689de673bfb44f49d03e634c2a6c42da547a5204", kill_on_drop: false }`
[INFO] [stderr]     Checking simple-error v0.2.1
[INFO] [stderr]     Checking acl-sys v1.2.0
[INFO] [stderr]     Checking users v0.9.1
[INFO] [stderr]     Checking which v3.1.1
[INFO] [stderr]     Checking posix-acl v0.5.0
[INFO] [stderr]     Checking ego v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.98s
[INFO] running `Command { std: "docker" "inspect" "9f518eee2904da4606cd7549689de673bfb44f49d03e634c2a6c42da547a5204", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f518eee2904da4606cd7549689de673bfb44f49d03e634c2a6c42da547a5204", kill_on_drop: false }`
[INFO] [stdout] 9f518eee2904da4606cd7549689de673bfb44f49d03e634c2a6c42da547a5204