[INFO] cloning repository https://github.com/CoderChristopher/egyptian-rat-screw
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CoderChristopher/egyptian-rat-screw" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCoderChristopher%2Fegyptian-rat-screw", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCoderChristopher%2Fegyptian-rat-screw'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f65696d59c8d606bd09ac14ce3c9c16bac50478d
[INFO] building CoderChristopher/egyptian-rat-screw 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%2FCoderChristopher%2Fegyptian-rat-screw" "/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/CoderChristopher/egyptian-rat-screw 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/CoderChristopher/egyptian-rat-screw
[INFO] finished tweaking git repo https://github.com/CoderChristopher/egyptian-rat-screw
[INFO] tweaked toml for git repo https://github.com/CoderChristopher/egyptian-rat-screw written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/CoderChristopher/egyptian-rat-screw 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] 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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] df9d289ef317f128beb1382f92b88a0629b6ac74a0aa5becba1833ac368752e1
[INFO] running `Command { std: "docker" "start" "-a" "df9d289ef317f128beb1382f92b88a0629b6ac74a0aa5becba1833ac368752e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df9d289ef317f128beb1382f92b88a0629b6ac74a0aa5becba1833ac368752e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df9d289ef317f128beb1382f92b88a0629b6ac74a0aa5becba1833ac368752e1", kill_on_drop: false }`
[INFO] [stdout] df9d289ef317f128beb1382f92b88a0629b6ac74a0aa5becba1833ac368752e1
[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 -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] b9a272fc4c44ca5ee242972afc5b5cdd062c047ca166eb02a6e19ab90f6a2fb9
[INFO] running `Command { std: "docker" "start" "-a" "b9a272fc4c44ca5ee242972afc5b5cdd062c047ca166eb02a6e19ab90f6a2fb9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.152
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling getrandom v0.2.12
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling egyptian-rat-screw v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variants `Playing` and `Complete` are never constructed
[INFO] [stdout]    --> src/main.rs:214:5
[INFO] [stdout]     |
[INFO] [stdout] 211 | enum GameState {
[INFO] [stdout]     |      --------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 214 |     Playing,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 215 |     Complete
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:273:13
[INFO] [stdout]     |
[INFO] [stdout] 273 |             deck_to_shuffle.add_card_by_index( pulled_index );
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 273 |             let _ = deck_to_shuffle.add_card_by_index( pulled_index );
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.63s
[INFO] running `Command { std: "docker" "inspect" "b9a272fc4c44ca5ee242972afc5b5cdd062c047ca166eb02a6e19ab90f6a2fb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9a272fc4c44ca5ee242972afc5b5cdd062c047ca166eb02a6e19ab90f6a2fb9", kill_on_drop: false }`
[INFO] [stdout] b9a272fc4c44ca5ee242972afc5b5cdd062c047ca166eb02a6e19ab90f6a2fb9
[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 -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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0a8d4d705451fd41d2242684415d4db02e13b48521fbd4d1c993ff72b1e9b27
[INFO] running `Command { std: "docker" "start" "-a" "c0a8d4d705451fd41d2242684415d4db02e13b48521fbd4d1c993ff72b1e9b27", kill_on_drop: false }`
[INFO] [stderr]    Compiling egyptian-rat-screw v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variants `Playing` and `Complete` are never constructed
[INFO] [stdout]    --> src/main.rs:214:5
[INFO] [stdout]     |
[INFO] [stdout] 211 | enum GameState {
[INFO] [stdout]     |      --------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 214 |     Playing,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 215 |     Complete
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:273:13
[INFO] [stdout]     |
[INFO] [stdout] 273 |             deck_to_shuffle.add_card_by_index( pulled_index );
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 273 |             let _ = deck_to_shuffle.add_card_by_index( pulled_index );
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "c0a8d4d705451fd41d2242684415d4db02e13b48521fbd4d1c993ff72b1e9b27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0a8d4d705451fd41d2242684415d4db02e13b48521fbd4d1c993ff72b1e9b27", kill_on_drop: false }`
[INFO] [stdout] c0a8d4d705451fd41d2242684415d4db02e13b48521fbd4d1c993ff72b1e9b27