[INFO] cloning repository https://github.com/rustyforks/rustation-ng
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rustyforks/rustation-ng" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frustyforks%2Frustation-ng", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frustyforks%2Frustation-ng'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 69583239cfc53152d6fb89583956bb3d13e88af3
[INFO] checking rustyforks/rustation-ng against master#d62d3f7fa9a91d933213cc10e20e740608983f64 for pr-77015
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frustyforks%2Frustation-ng" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rustyforks/rustation-ng on toolchain d62d3f7fa9a91d933213cc10e20e740608983f64
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rustyforks/rustation-ng
[INFO] finished tweaking git repo https://github.com/rustyforks/rustation-ng
[INFO] tweaked toml for git repo https://github.com/rustyforks/rustation-ng written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/rustyforks/rustation-ng already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a37a9f28c58b0e61257d8654bf81e6a90a1050489af3cd8bf22f492e0029af11
[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" "a37a9f28c58b0e61257d8654bf81e6a90a1050489af3cd8bf22f492e0029af11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a37a9f28c58b0e61257d8654bf81e6a90a1050489af3cd8bf22f492e0029af11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a37a9f28c58b0e61257d8654bf81e6a90a1050489af3cd8bf22f492e0029af11", kill_on_drop: false }`
[INFO] [stdout] a37a9f28c58b0e61257d8654bf81e6a90a1050489af3cd8bf22f492e0029af11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "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] 0d560fdfaf17c9f938b5cf0ec43ab9da834054b5d75025845818658db592bf75
[INFO] running `Command { std: "docker" "start" "-a" "0d560fdfaf17c9f938b5cf0ec43ab9da834054b5d75025845818658db592bf75", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]    Compiling rustation-retro v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking cdimage v0.1.0 (https://github.com/simias/cdimage?branch=master#db9cdd42)
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking shaman v0.1.0
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 14.00s
[INFO] running `Command { std: "docker" "inspect" "0d560fdfaf17c9f938b5cf0ec43ab9da834054b5d75025845818658db592bf75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d560fdfaf17c9f938b5cf0ec43ab9da834054b5d75025845818658db592bf75", kill_on_drop: false }`
[INFO] [stdout] 0d560fdfaf17c9f938b5cf0ec43ab9da834054b5d75025845818658db592bf75