[INFO] cloning repository https://github.com/Reconcyl/digfill
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Reconcyl/digfill" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FReconcyl%2Fdigfill", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FReconcyl%2Fdigfill'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0a1a498f1c3029de93c0faa7e68f08599731e687
[INFO] checking Reconcyl/digfill against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FReconcyl%2Fdigfill" "/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/Reconcyl/digfill on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Reconcyl/digfill
[INFO] finished tweaking git repo https://github.com/Reconcyl/digfill
[INFO] tweaked toml for git repo https://github.com/Reconcyl/digfill written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/Reconcyl/digfill already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 619a6b0cfb45c2d9ab8995df74274915d585c29a47076459dedb2c1a28ee7c26
[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" "619a6b0cfb45c2d9ab8995df74274915d585c29a47076459dedb2c1a28ee7c26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "619a6b0cfb45c2d9ab8995df74274915d585c29a47076459dedb2c1a28ee7c26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "619a6b0cfb45c2d9ab8995df74274915d585c29a47076459dedb2c1a28ee7c26", kill_on_drop: false }`
[INFO] [stdout] 619a6b0cfb45c2d9ab8995df74274915d585c29a47076459dedb2c1a28ee7c26
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b99cafb7510ce4f7e9c99c304f97a1884373a6fa33bae627811c5d23d90142d
[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" "3b99cafb7510ce4f7e9c99c304f97a1884373a6fa33bae627811c5d23d90142d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking termion v1.5.5
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling structopt-derive v0.4.7
[INFO] [stderr]     Checking structopt v0.3.14
[INFO] [stderr]     Checking digfill v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `cursor`
[INFO] [stdout]   --> src/state/debug.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     cursor: Option<Pos>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `cursor`
[INFO] [stdout]   --> src/state/debug.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     cursor: Option<Pos>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.08s
[INFO] running `Command { std: "docker" "inspect" "3b99cafb7510ce4f7e9c99c304f97a1884373a6fa33bae627811c5d23d90142d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b99cafb7510ce4f7e9c99c304f97a1884373a6fa33bae627811c5d23d90142d", kill_on_drop: false }`
[INFO] [stdout] 3b99cafb7510ce4f7e9c99c304f97a1884373a6fa33bae627811c5d23d90142d