[INFO] cloning repository https://github.com/shockham/engine_arch
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shockham/engine_arch" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshockham%2Fengine_arch", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshockham%2Fengine_arch'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eafa5e91f62437c0cca6baabc01256095469b6dc
[INFO] checking shockham/engine_arch against try#3d9fdbff4f377de96b3a51174e7a64086bee9a5c for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshockham%2Fengine_arch" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shockham/engine_arch on toolchain 3d9fdbff4f377de96b3a51174e7a64086bee9a5c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/shockham/engine_arch
[INFO] finished tweaking git repo https://github.com/shockham/engine_arch
[INFO] tweaked toml for git repo https://github.com/shockham/engine_arch written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/shockham/engine_arch already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futures-sink v0.2.1
[INFO] [stderr]   Downloaded futures-io v0.2.1
[INFO] [stderr]   Downloaded futures-channel v0.2.1
[INFO] [stderr]   Downloaded futures-stable v0.2.1
[INFO] [stderr]   Downloaded futures-executor v0.2.1
[INFO] [stderr]   Downloaded futures-core v0.2.1
[INFO] [stderr]   Downloaded futures-util v0.2.1
[INFO] [stderr]   Downloaded futures-async-runtime v0.2.1
[INFO] [stderr]   Downloaded futures v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f2b034d3e403e21de0aff5bcb5e31da440a7009e3ac14565fcf9c5f729cb2417
[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" "f2b034d3e403e21de0aff5bcb5e31da440a7009e3ac14565fcf9c5f729cb2417", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f2b034d3e403e21de0aff5bcb5e31da440a7009e3ac14565fcf9c5f729cb2417", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2b034d3e403e21de0aff5bcb5e31da440a7009e3ac14565fcf9c5f729cb2417", kill_on_drop: false }`
[INFO] [stdout] f2b034d3e403e21de0aff5bcb5e31da440a7009e3ac14565fcf9c5f729cb2417
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2e0a31710c13c21a98dcfd5950c64196177dd197847ef2fbfec9a3a651f074e
[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" "a2e0a31710c13c21a98dcfd5950c64196177dd197847ef2fbfec9a3a651f074e", kill_on_drop: false }`
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]     Checking libc v0.2.42
[INFO] [stderr]     Checking futures-core v0.2.1
[INFO] [stderr]     Checking futures-channel v0.2.1
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking futures-io v0.2.1
[INFO] [stderr]     Checking futures-sink v0.2.1
[INFO] [stderr]     Checking futures-util v0.2.1
[INFO] [stderr]     Checking futures-executor v0.2.1
[INFO] [stderr]     Checking futures-stable v0.2.1
[INFO] [stderr]     Checking futures-async-runtime v0.2.1
[INFO] [stderr]     Checking futures v0.2.1
[INFO] [stderr]     Checking engine_arch v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.48s
[INFO] running `Command { std: "docker" "inspect" "a2e0a31710c13c21a98dcfd5950c64196177dd197847ef2fbfec9a3a651f074e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2e0a31710c13c21a98dcfd5950c64196177dd197847ef2fbfec9a3a651f074e", kill_on_drop: false }`
[INFO] [stdout] a2e0a31710c13c21a98dcfd5950c64196177dd197847ef2fbfec9a3a651f074e