[INFO] cloning repository https://github.com/Staneesh/guessingRust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Staneesh/guessingRust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FStaneesh%2FguessingRust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FStaneesh%2FguessingRust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 92c81f12a7905df4616fe0ca6dff4e815d98c7e7
[INFO] checking Staneesh/guessingRust against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FStaneesh%2FguessingRust" "/workspace/builds/worker-107/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-107/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Staneesh/guessingRust on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Staneesh/guessingRust
[INFO] finished tweaking git repo https://github.com/Staneesh/guessingRust
[INFO] tweaked toml for git repo https://github.com/Staneesh/guessingRust written to /workspace/builds/worker-107/source/Cargo.toml
[INFO] crate git repo https://github.com/Staneesh/guessingRust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--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-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5f6879dd6227e0eb70be3ca98af827bb206d902d908cf4476803aa26b370fe33
[INFO] running `Command { std: "docker" "start" "-a" "5f6879dd6227e0eb70be3ca98af827bb206d902d908cf4476803aa26b370fe33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f6879dd6227e0eb70be3ca98af827bb206d902d908cf4476803aa26b370fe33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f6879dd6227e0eb70be3ca98af827bb206d902d908cf4476803aa26b370fe33", kill_on_drop: false }`
[INFO] [stdout] 5f6879dd6227e0eb70be3ca98af827bb206d902d908cf4476803aa26b370fe33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8cc930cbafd44340fc85da36685c1a53dc38cb9dfba1ffb2f495b98ddcb6911b
[INFO] running `Command { std: "docker" "start" "-a" "8cc930cbafd44340fc85da36685c1a53dc38cb9dfba1ffb2f495b98ddcb6911b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking car v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.70s
[INFO] running `Command { std: "docker" "inspect" "8cc930cbafd44340fc85da36685c1a53dc38cb9dfba1ffb2f495b98ddcb6911b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cc930cbafd44340fc85da36685c1a53dc38cb9dfba1ffb2f495b98ddcb6911b", kill_on_drop: false }`
[INFO] [stdout] 8cc930cbafd44340fc85da36685c1a53dc38cb9dfba1ffb2f495b98ddcb6911b