[INFO] cloning repository https://github.com/HuguesGuilleus/snake-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/HuguesGuilleus/snake-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHuguesGuilleus%2Fsnake-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHuguesGuilleus%2Fsnake-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 672d410930cfbae6e61ebf4337484fcb0d84da3c [INFO] building HuguesGuilleus/snake-rs 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%2FHuguesGuilleus%2Fsnake-rs" "/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/HuguesGuilleus/snake-rs 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/HuguesGuilleus/snake-rs [INFO] finished tweaking git repo https://github.com/HuguesGuilleus/snake-rs [INFO] tweaked toml for git repo https://github.com/HuguesGuilleus/snake-rs written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/HuguesGuilleus/snake-rs 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-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] d6d614470b8c51caa45dfefeda83df2cc1df9ebf99f80ea0b77f6949aa3ce007 [INFO] running `Command { std: "docker" "start" "-a" "d6d614470b8c51caa45dfefeda83df2cc1df9ebf99f80ea0b77f6949aa3ce007", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d6d614470b8c51caa45dfefeda83df2cc1df9ebf99f80ea0b77f6949aa3ce007", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d6d614470b8c51caa45dfefeda83df2cc1df9ebf99f80ea0b77f6949aa3ce007", kill_on_drop: false }` [INFO] [stdout] d6d614470b8c51caa45dfefeda83df2cc1df9ebf99f80ea0b77f6949aa3ce007 [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] 76f437780e89e6cf885407e1c726f0e0e15bc25a96d4e3ac232121b33982b451 [INFO] running `Command { std: "docker" "start" "-a" "76f437780e89e6cf885407e1c726f0e0e15bc25a96d4e3ac232121b33982b451", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.98 [INFO] [stderr] Compiling signal-hook v0.3.9 [INFO] [stderr] Compiling instant v0.1.10 [INFO] [stderr] Compiling smallvec v1.6.1 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling ppv-lite86 v0.2.10 [INFO] [stderr] Compiling snake v0.1.0 (/opt/rustwide/workdir/snake) [INFO] [stderr] Compiling lock_api v0.4.4 [INFO] [stdout] warning: struct `BoardDimension` is never constructed [INFO] [stdout] --> snake/src/lib.rs:71:8 [INFO] [stdout] | [INFO] [stdout] 71 | struct BoardDimension { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling snake-wasm v0.1.0 (/opt/rustwide/workdir/snake-wasm) [INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged [INFO] [stdout] --> snake-wasm/src/lib.rs:38:45 [INFO] [stdout] | [INFO] [stdout] 38 | let (ref mut board, ref mut view) = BOARDANDTEXTVIEW.as_mut().unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives [INFO] [stdout] = note: `#[warn(static_mut_refs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling getrandom v0.2.3 [INFO] [stderr] Compiling signal-hook-registry v1.4.0 [INFO] [stderr] Compiling parking_lot_core v0.8.3 [INFO] [stderr] Compiling mio v0.7.13 [INFO] [stderr] Compiling rand_core v0.6.3 [INFO] [stderr] Compiling parking_lot v0.11.1 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling signal-hook-mio v0.2.1 [INFO] [stderr] Compiling rand v0.8.4 [INFO] [stderr] Compiling crossterm v0.20.0 [INFO] [stderr] Compiling snake-linux v0.1.0 (/opt/rustwide/workdir/snake-linux) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.80s [INFO] running `Command { std: "docker" "inspect" "76f437780e89e6cf885407e1c726f0e0e15bc25a96d4e3ac232121b33982b451", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "76f437780e89e6cf885407e1c726f0e0e15bc25a96d4e3ac232121b33982b451", kill_on_drop: false }` [INFO] [stdout] 76f437780e89e6cf885407e1c726f0e0e15bc25a96d4e3ac232121b33982b451 [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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bad0c1e1f4bca272e0aef92054ba2d3860bb783fb9eb990bff9c17c7baad491a [INFO] running `Command { std: "docker" "start" "-a" "bad0c1e1f4bca272e0aef92054ba2d3860bb783fb9eb990bff9c17c7baad491a", kill_on_drop: false }` [INFO] [stderr] Compiling snake v0.1.0 (/opt/rustwide/workdir/snake) [INFO] [stdout] warning: struct `BoardDimension` is never constructed [INFO] [stdout] --> snake/src/lib.rs:71:8 [INFO] [stdout] | [INFO] [stdout] 71 | struct BoardDimension { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling snake-wasm v0.1.0 (/opt/rustwide/workdir/snake-wasm) [INFO] [stderr] Compiling snake-linux v0.1.0 (/opt/rustwide/workdir/snake-linux) [INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged [INFO] [stdout] --> snake-wasm/src/lib.rs:38:45 [INFO] [stdout] | [INFO] [stdout] 38 | let (ref mut board, ref mut view) = BOARDANDTEXTVIEW.as_mut().unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives [INFO] [stdout] = note: `#[warn(static_mut_refs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `BoardDimension` is never constructed [INFO] [stdout] --> snake/src/lib.rs:71:8 [INFO] [stdout] | [INFO] [stdout] 71 | struct BoardDimension { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.27s [INFO] running `Command { std: "docker" "inspect" "bad0c1e1f4bca272e0aef92054ba2d3860bb783fb9eb990bff9c17c7baad491a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bad0c1e1f4bca272e0aef92054ba2d3860bb783fb9eb990bff9c17c7baad491a", kill_on_drop: false }` [INFO] [stdout] bad0c1e1f4bca272e0aef92054ba2d3860bb783fb9eb990bff9c17c7baad491a