[INFO] cloning repository https://github.com/gordonglas/rustlang-book
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gordonglas/rustlang-book" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgordonglas%2Frustlang-book", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgordonglas%2Frustlang-book'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 94d999059f262c683ffcc9e37fd936e161268135
[INFO] testing gordonglas/rustlang-book against master#414482f6a0d4e7290f614300581a0b55442552a3 for pr-140985
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgordonglas%2Frustlang-book" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gordonglas/rustlang-book on toolchain 414482f6a0d4e7290f614300581a0b55442552a3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gordonglas/rustlang-book
[INFO] finished tweaking git repo https://github.com/gordonglas/rustlang-book
[INFO] tweaked toml for git repo https://github.com/gordonglas/rustlang-book written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/gordonglas/rustlang-book 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" "+414482f6a0d4e7290f614300581a0b55442552a3" "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-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d31b0862866c2a8272e79a30ed4d1bf6caf813cedca33f98b404311254a7c899
[INFO] running `Command { std: "docker" "start" "-a" "d31b0862866c2a8272e79a30ed4d1bf6caf813cedca33f98b404311254a7c899", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d31b0862866c2a8272e79a30ed4d1bf6caf813cedca33f98b404311254a7c899", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d31b0862866c2a8272e79a30ed4d1bf6caf813cedca33f98b404311254a7c899", kill_on_drop: false }`
[INFO] [stdout] d31b0862866c2a8272e79a30ed4d1bf6caf813cedca33f98b404311254a7c899
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e0fd369e94efc0255930a1071a6d22347f5f8ddaf3945db18d55f90d8df3dec
[INFO] running `Command { std: "docker" "start" "-a" "3e0fd369e94efc0255930a1071a6d22347f5f8ddaf3945db18d55f90d8df3dec", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling enums v0.1.0 (/opt/rustwide/workdir/Chapter06/enums)
[INFO] [stderr]    Compiling rectangle v0.1.0 (/opt/rustwide/workdir/Chapter05/rectangle)
[INFO] [stderr]    Compiling restaurant v0.1.0 (/opt/rustwide/workdir/Chapter07/restaurant)
[INFO] [stdout] warning: unused import: `std::io::Result as IoResult`
[INFO] [stdout]   --> Chapter07/restaurant/src/lib.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use std::io::Result as IoResult;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ip_kind`
[INFO] [stdout]   --> Chapter06/enums/src/main.rs:18:10
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn route(ip_kind: IpAddrKind) {
[INFO] [stdout]    |          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ip_kind`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `order1`
[INFO] [stdout]   --> Chapter07/restaurant/src/lib.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |     let order1 = back_of_house::Appetizer::Soup;
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_order1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `order2`
[INFO] [stdout]   --> Chapter07/restaurant/src/lib.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |     let order2 = back_of_house::Appetizer::Salad;
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_order2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `deliver_order` is never used
[INFO] [stdout]   --> Chapter07/restaurant/src/lib.rs:60:4
[INFO] [stdout]    |
[INFO] [stdout] 60 | fn deliver_order() {}
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `take_order` is never used
[INFO] [stdout]  --> Chapter07/restaurant/src/front_of_house.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 |     pub fn take_order() {}
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `serve_order` is never used
[INFO] [stdout]  --> Chapter07/restaurant/src/front_of_house.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub fn serve_order() {}
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `take_payment` is never used
[INFO] [stdout]  --> Chapter07/restaurant/src/front_of_house.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub fn take_payment() {}
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fix_incorrect_order` is never used
[INFO] [stdout]   --> Chapter07/restaurant/src/lib.rs:63:8
[INFO] [stdout]    |
[INFO] [stdout] 63 |     fn fix_incorrect_order() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cook_order` is never used
[INFO] [stdout]   --> Chapter07/restaurant/src/lib.rs:68:8
[INFO] [stdout]    |
[INFO] [stdout] 68 |     fn cook_order() {}
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `seasonal_fruit` is never read
[INFO] [stdout]   --> Chapter07/restaurant/src/lib.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |     pub struct Breakfast {
[INFO] [stdout]    |                --------- field in this struct
[INFO] [stdout] 72 |         pub toast: String,
[INFO] [stdout] 73 |         seasonal_fruit: String,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not parse/generate dep info at: /opt/rustwide/target/debug/deps/ppv_lite86-4250c766b4729968.d
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to write `/opt/rustwide/target/debug/.fingerprint/ppv-lite86-4250c766b4729968/dep-lib-ppv_lite86`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: error writing dependencies to `/opt/rustwide/target/debug/deps/libc-d117dcb266d05e9b.d`: No space left on device (os error 28)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libc` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "3e0fd369e94efc0255930a1071a6d22347f5f8ddaf3945db18d55f90d8df3dec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e0fd369e94efc0255930a1071a6d22347f5f8ddaf3945db18d55f90d8df3dec", kill_on_drop: false }`
[INFO] [stdout] 3e0fd369e94efc0255930a1071a6d22347f5f8ddaf3945db18d55f90d8df3dec