[INFO] cloning repository https://github.com/juanmait/my-very-naive-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/juanmait/my-very-naive-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuanmait%2Fmy-very-naive-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuanmait%2Fmy-very-naive-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f39249b0f836255a5b739dd5d4d1ed0466c6cca2
[INFO] checking juanmait/my-very-naive-rust against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuanmait%2Fmy-very-naive-rust" "/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/juanmait/my-very-naive-rust 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/juanmait/my-very-naive-rust
[INFO] finished tweaking git repo https://github.com/juanmait/my-very-naive-rust
[INFO] tweaked toml for git repo https://github.com/juanmait/my-very-naive-rust written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/juanmait/my-very-naive-rust 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand v0.6.1
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cf34ac5cd6019ca0be39a0ef367f7d2d136f2cfeda8f89d94f14d223a3a2bb39
[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" "cf34ac5cd6019ca0be39a0ef367f7d2d136f2cfeda8f89d94f14d223a3a2bb39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf34ac5cd6019ca0be39a0ef367f7d2d136f2cfeda8f89d94f14d223a3a2bb39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf34ac5cd6019ca0be39a0ef367f7d2d136f2cfeda8f89d94f14d223a3a2bb39", kill_on_drop: false }`
[INFO] [stdout] cf34ac5cd6019ca0be39a0ef367f7d2d136f2cfeda8f89d94f14d223a3a2bb39
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a571dc64220a0d998588cf96544c9da704a2464aa19594cae45961401df1992
[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" "7a571dc64220a0d998588cf96544c9da704a2464aa19594cae45961401df1992", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]     Checking _traits v0.1.0 (/opt/rustwide/workdir/_traits)
[INFO] [stderr]     Checking block-test v0.1.0 (/opt/rustwide/workdir/block-test)
[INFO] [stderr]     Checking rev-range v0.1.0 (/opt/rustwide/workdir/rev-range)
[INFO] [stderr]     Checking array-iter v0.1.0 (/opt/rustwide/workdir/array-iter)
[INFO] [stderr]     Checking rand_xorshift v0.1.0
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling rand_chacha v0.1.0
[INFO] [stderr]    Compiling rand v0.6.1
[INFO] [stderr]     Checking hello-rust v0.1.0 (/opt/rustwide/workdir/guess-game)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.02s
[INFO] running `Command { std: "docker" "inspect" "7a571dc64220a0d998588cf96544c9da704a2464aa19594cae45961401df1992", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a571dc64220a0d998588cf96544c9da704a2464aa19594cae45961401df1992", kill_on_drop: false }`
[INFO] [stdout] 7a571dc64220a0d998588cf96544c9da704a2464aa19594cae45961401df1992