[INFO] cloning repository https://github.com/47ng/hashdir
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/47ng/hashdir" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F47ng%2Fhashdir", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F47ng%2Fhashdir'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d796471dfeaf79a65dd9453ba4f90e24882ef25c
[INFO] checking 47ng/hashdir against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F47ng%2Fhashdir" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/47ng/hashdir on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/47ng/hashdir
[INFO] finished tweaking git repo https://github.com/47ng/hashdir
[INFO] tweaked toml for git repo https://github.com/47ng/hashdir written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/47ng/hashdir already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "metadata" "--no-deps" "--format-version=1", 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] 48356cdc2d740fa9c9447026c79d7ed81ca2eb278791c0a8a7d3e4321eda1ca0
[INFO] running `Command { std: "docker" "start" "-a" "48356cdc2d740fa9c9447026c79d7ed81ca2eb278791c0a8a7d3e4321eda1ca0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48356cdc2d740fa9c9447026c79d7ed81ca2eb278791c0a8a7d3e4321eda1ca0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48356cdc2d740fa9c9447026c79d7ed81ca2eb278791c0a8a7d3e4321eda1ca0", kill_on_drop: false }`
[INFO] [stdout] 48356cdc2d740fa9c9447026c79d7ed81ca2eb278791c0a8a7d3e4321eda1ca0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 380186813cd0dc08da53f3fdee78207c8f4e2f0711fa9ac35e16ed632eee7aeb
[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" "380186813cd0dc08da53f3fdee78207c8f4e2f0711fa9ac35e16ed632eee7aeb", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling serde v1.0.88
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]     Checking opaque-debug v0.2.2
[INFO] [stderr]     Checking custom_error v1.4.0
[INFO] [stderr]     Checking block-padding v0.1.3
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]     Checking generic-array v0.12.0
[INFO] [stderr]     Checking digest v0.8.0
[INFO] [stderr]     Checking block-buffer v0.7.0
[INFO] [stderr]     Checking sha2 v0.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.88
[INFO] [stderr]     Checking serde_json v1.0.38
[INFO] [stderr]     Checking hashdir v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.46s
[INFO] running `Command { std: "docker" "inspect" "380186813cd0dc08da53f3fdee78207c8f4e2f0711fa9ac35e16ed632eee7aeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "380186813cd0dc08da53f3fdee78207c8f4e2f0711fa9ac35e16ed632eee7aeb", kill_on_drop: false }`
[INFO] [stdout] 380186813cd0dc08da53f3fdee78207c8f4e2f0711fa9ac35e16ed632eee7aeb