[INFO] fetching crate opencomputers-stem 0.2.0...
[INFO] checking opencomputers-stem-0.2.0 against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] extracting crate opencomputers-stem 0.2.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate opencomputers-stem 0.2.0 on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate opencomputers-stem 0.2.0
[INFO] finished tweaking crates.io crate opencomputers-stem 0.2.0
[INFO] tweaked toml for crates.io crate opencomputers-stem 0.2.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9f24bf0997ee5217a13c98c9d80f02d83f8776c844d9041a1ec85d97a08166fd
[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" "9f24bf0997ee5217a13c98c9d80f02d83f8776c844d9041a1ec85d97a08166fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f24bf0997ee5217a13c98c9d80f02d83f8776c844d9041a1ec85d97a08166fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f24bf0997ee5217a13c98c9d80f02d83f8776c844d9041a1ec85d97a08166fd", kill_on_drop: false }`
[INFO] [stdout] 9f24bf0997ee5217a13c98c9d80f02d83f8776c844d9041a1ec85d97a08166fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 49451f6b335b877bb212ae95fa42a1d0fb5c804dbd3c512966cf2fa1ddd53fd2
[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" "49451f6b335b877bb212ae95fa42a1d0fb5c804dbd3c512966cf2fa1ddd53fd2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking tokio v0.2.24
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking opencomputers-stem v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.46s
[INFO] running `Command { std: "docker" "inspect" "49451f6b335b877bb212ae95fa42a1d0fb5c804dbd3c512966cf2fa1ddd53fd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49451f6b335b877bb212ae95fa42a1d0fb5c804dbd3c512966cf2fa1ddd53fd2", kill_on_drop: false }`
[INFO] [stdout] 49451f6b335b877bb212ae95fa42a1d0fb5c804dbd3c512966cf2fa1ddd53fd2