[INFO] cloning repository https://github.com/robinvd/k-sized-subset
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/robinvd/k-sized-subset" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobinvd%2Fk-sized-subset", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobinvd%2Fk-sized-subset'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2aacce04472950fb61693a4e6dfa67010658e7ca
[INFO] checking robinvd/k-sized-subset against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobinvd%2Fk-sized-subset" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/robinvd/k-sized-subset 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 git repo https://github.com/robinvd/k-sized-subset
[INFO] finished tweaking git repo https://github.com/robinvd/k-sized-subset
[INFO] tweaked toml for git repo https://github.com/robinvd/k-sized-subset written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/robinvd/k-sized-subset 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 147710351c9bc3efd2eca5e30f5aada65ee94f6d8f015eb7a4bc01881783e8fb
[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" "147710351c9bc3efd2eca5e30f5aada65ee94f6d8f015eb7a4bc01881783e8fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "147710351c9bc3efd2eca5e30f5aada65ee94f6d8f015eb7a4bc01881783e8fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "147710351c9bc3efd2eca5e30f5aada65ee94f6d8f015eb7a4bc01881783e8fb", kill_on_drop: false }`
[INFO] [stdout] 147710351c9bc3efd2eca5e30f5aada65ee94f6d8f015eb7a4bc01881783e8fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] ccde11c447ac0f70950919aae633b2406072a8d50a614865ba55a86b40615d32
[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" "ccde11c447ac0f70950919aae633b2406072a8d50a614865ba55a86b40615d32", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.55
[INFO] [stderr]    Compiling serde v1.0.91
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]     Checking cast v0.2.2
[INFO] [stderr]    Compiling num-traits v0.2.7
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling num-integer v0.1.40
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking rand_xoshiro v0.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.91
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking criterion-plot v0.3.1
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking csv-core v0.1.5
[INFO] [stderr]     Checking nsubset v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking csv v1.0.7
[INFO] [stderr]     Checking tinytemplate v1.0.2
[INFO] [stderr]     Checking criterion v0.2.11
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.06s
[INFO] running `Command { std: "docker" "inspect" "ccde11c447ac0f70950919aae633b2406072a8d50a614865ba55a86b40615d32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccde11c447ac0f70950919aae633b2406072a8d50a614865ba55a86b40615d32", kill_on_drop: false }`
[INFO] [stdout] ccde11c447ac0f70950919aae633b2406072a8d50a614865ba55a86b40615d32