[INFO] cloning repository https://github.com/wattlebirdaz/dispatch
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wattlebirdaz/dispatch" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwattlebirdaz%2Fdispatch", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwattlebirdaz%2Fdispatch'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7deb30f61678bcdc1a35e4e36b096f1c5f39c766
[INFO] building wattlebirdaz/dispatch against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwattlebirdaz%2Fdispatch" "/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/wattlebirdaz/dispatch on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wattlebirdaz/dispatch
[INFO] finished tweaking git repo https://github.com/wattlebirdaz/dispatch
[INFO] tweaked toml for git repo https://github.com/wattlebirdaz/dispatch written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/wattlebirdaz/dispatch 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b6d1afc862f65000c390fa818fcbd3ff571db23947b9b9740d9ee6f86729d595
[INFO] running `Command { std: "docker" "start" "-a" "b6d1afc862f65000c390fa818fcbd3ff571db23947b9b9740d9ee6f86729d595", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6d1afc862f65000c390fa818fcbd3ff571db23947b9b9740d9ee6f86729d595", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6d1afc862f65000c390fa818fcbd3ff571db23947b9b9740d9ee6f86729d595", kill_on_drop: false }`
[INFO] [stdout] b6d1afc862f65000c390fa818fcbd3ff571db23947b9b9740d9ee6f86729d595
[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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 119fbdaafc223181eeed38821a111279d24b41589d8a68b399e5f2ad41a7c2df
[INFO] running `Command { std: "docker" "start" "-a" "119fbdaafc223181eeed38821a111279d24b41589d8a68b399e5f2ad41a7c2df", kill_on_drop: false }`
[INFO] [stderr]    Compiling dispatch v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum `Expr` is never used
[INFO] [stdout]  --> src/enum_dispatch.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub enum Expr {
[INFO] [stdout]   |          ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `eval` is never used
[INFO] [stdout]   --> src/enum_dispatch.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl Expr {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] 10 |     pub fn eval(&self) -> i32 {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not parse/generate dep info at: /opt/rustwide/target/debug/deps/dispatch-cd42741a5a2b8fb1.d
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to write `/opt/rustwide/target/debug/.fingerprint/dispatch-cd42741a5a2b8fb1/dep-lib-dispatch`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] running `Command { std: "docker" "inspect" "119fbdaafc223181eeed38821a111279d24b41589d8a68b399e5f2ad41a7c2df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "119fbdaafc223181eeed38821a111279d24b41589d8a68b399e5f2ad41a7c2df", kill_on_drop: false }`
[INFO] [stdout] 119fbdaafc223181eeed38821a111279d24b41589d8a68b399e5f2ad41a7c2df