[INFO] cloning repository https://github.com/Z-M-Huang/RustTutorial
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Z-M-Huang/RustTutorial" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZ-M-Huang%2FRustTutorial", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZ-M-Huang%2FRustTutorial'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2c6c7601444c5385e6b32c5185ea7bdb700a7474
[INFO] checking Z-M-Huang/RustTutorial against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZ-M-Huang%2FRustTutorial" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Z-M-Huang/RustTutorial on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Z-M-Huang/RustTutorial
[INFO] finished tweaking git repo https://github.com/Z-M-Huang/RustTutorial
[INFO] tweaked toml for git repo https://github.com/Z-M-Huang/RustTutorial written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/Z-M-Huang/RustTutorial already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "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] ac7ea9dd9503e1b8fc2a07a55a14e953a0d1e863bf24109e30adf0dd3daea776
[INFO] running `Command { std: "docker" "start" "-a" "ac7ea9dd9503e1b8fc2a07a55a14e953a0d1e863bf24109e30adf0dd3daea776", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac7ea9dd9503e1b8fc2a07a55a14e953a0d1e863bf24109e30adf0dd3daea776", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac7ea9dd9503e1b8fc2a07a55a14e953a0d1e863bf24109e30adf0dd3daea776", kill_on_drop: false }`
[INFO] [stdout] ac7ea9dd9503e1b8fc2a07a55a14e953a0d1e863bf24109e30adf0dd3daea776
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "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] 0d3bc96e5320c4024357e99beba9b0ae0713c4cfe4ab78116115fe80d78a4145
[INFO] running `Command { std: "docker" "start" "-a" "0d3bc96e5320c4024357e99beba9b0ae0713c4cfe4ab78116115fe80d78a4145", kill_on_drop: false }`
[INFO] [stderr]     Checking RustTutorial v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `RustTutorial` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `rust_tutorial`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `RustTutorial` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `rust_tutorial`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "0d3bc96e5320c4024357e99beba9b0ae0713c4cfe4ab78116115fe80d78a4145", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d3bc96e5320c4024357e99beba9b0ae0713c4cfe4ab78116115fe80d78a4145", kill_on_drop: false }`
[INFO] [stdout] 0d3bc96e5320c4024357e99beba9b0ae0713c4cfe4ab78116115fe80d78a4145