[INFO] cloning repository https://github.com/justin73/rust-onboarding
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/justin73/rust-onboarding" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustin73%2Frust-onboarding", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustin73%2Frust-onboarding'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustin73%2Frust-onboarding: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[INFO] cloning repository https://github.com/justin73/rust-onboarding
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/justin73/rust-onboarding" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustin73%2Frust-onboarding", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustin73%2Frust-onboarding'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6bd8191c832effbc2b237782c81e65e0aa75ee88
[INFO] checking justin73/rust-onboarding against master#419b3e2d3e350822550eee0e82eeded4d324d584 for pr-135536
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustin73%2Frust-onboarding" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/justin73/rust-onboarding on toolchain 419b3e2d3e350822550eee0e82eeded4d324d584
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+419b3e2d3e350822550eee0e82eeded4d324d584" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/justin73/rust-onboarding
[INFO] finished tweaking git repo https://github.com/justin73/rust-onboarding
[INFO] tweaked toml for git repo https://github.com/justin73/rust-onboarding written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/justin73/rust-onboarding already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+419b3e2d3e350822550eee0e82eeded4d324d584" "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-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+419b3e2d3e350822550eee0e82eeded4d324d584" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 53e0b79985e8ac52571a0abef9c7e899fab99ee872c1167ebbaaeccdc7d22ec6
[INFO] running `Command { std: "docker" "start" "-a" "53e0b79985e8ac52571a0abef9c7e899fab99ee872c1167ebbaaeccdc7d22ec6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "53e0b79985e8ac52571a0abef9c7e899fab99ee872c1167ebbaaeccdc7d22ec6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53e0b79985e8ac52571a0abef9c7e899fab99ee872c1167ebbaaeccdc7d22ec6", kill_on_drop: false }`
[INFO] [stdout] 53e0b79985e8ac52571a0abef9c7e899fab99ee872c1167ebbaaeccdc7d22ec6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+419b3e2d3e350822550eee0e82eeded4d324d584" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c602513260b8b062722d0500ce3edcd10b913b5fe7fd659342f4d92cbbd35fd
[INFO] running `Command { std: "docker" "start" "-a" "0c602513260b8b062722d0500ce3edcd10b913b5fe7fd659342f4d92cbbd35fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.80s
[INFO] running `Command { std: "docker" "inspect" "0c602513260b8b062722d0500ce3edcd10b913b5fe7fd659342f4d92cbbd35fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c602513260b8b062722d0500ce3edcd10b913b5fe7fd659342f4d92cbbd35fd", kill_on_drop: false }`
[INFO] [stdout] 0c602513260b8b062722d0500ce3edcd10b913b5fe7fd659342f4d92cbbd35fd