[INFO] cloning repository https://github.com/quartztz/boolalg-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/quartztz/boolalg-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquartztz%2Fboolalg-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquartztz%2Fboolalg-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3021e1e7099748b0ea964293436f5b7862f3c978
[INFO] building quartztz/boolalg-rs against try#9b5e8b16bd1c4acf4cf8e6880368314cf021a987+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquartztz%2Fboolalg-rs" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/quartztz/boolalg-rs on toolchain 9b5e8b16bd1c4acf4cf8e6880368314cf021a987
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/quartztz/boolalg-rs
[INFO] finished tweaking git repo https://github.com/quartztz/boolalg-rs
[INFO] tweaked toml for git repo https://github.com/quartztz/boolalg-rs written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/quartztz/boolalg-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" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "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-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7ba6e37d454c2581438d97e2b9503b1b1bc07deaa945e7d3b55007b891bdb71b
[INFO] running `Command { std: "docker" "start" "-a" "7ba6e37d454c2581438d97e2b9503b1b1bc07deaa945e7d3b55007b891bdb71b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ba6e37d454c2581438d97e2b9503b1b1bc07deaa945e7d3b55007b891bdb71b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ba6e37d454c2581438d97e2b9503b1b1bc07deaa945e7d3b55007b891bdb71b", kill_on_drop: false }`
[INFO] [stdout] 7ba6e37d454c2581438d97e2b9503b1b1bc07deaa945e7d3b55007b891bdb71b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef6d40d5661a348af7c61c0aca9a31fd391e5a5f5fd731a941f5725ba894c932
[INFO] running `Command { std: "docker" "start" "-a" "ef6d40d5661a348af7c61c0aca9a31fd391e5a5f5fd731a941f5725ba894c932", kill_on_drop: false }`
[INFO] [stderr]    Compiling balgeb-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/alg.rs:113:9
[INFO] [stdout]     |
[INFO] [stdout] 113 |         _ => unreachable!(),
[INFO] [stdout]     |         ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/alg.rs:113:9
[INFO] [stdout]     |
[INFO] [stdout] 75  |         Lit(_) => e,
[INFO] [stdout]     |         ------ matches some of the same values
[INFO] [stdout] 76  |         Var(_) => e,
[INFO] [stdout]     |         ------ matches some of the same values
[INFO] [stdout] 77  |         Not(ex) => {
[INFO] [stdout]     |         ------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 84  |         BinOp(op, e1, e2) => {
[INFO] [stdout]     |         ----------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 113 |         _ => unreachable!(),
[INFO] [stdout]     |         ^ collectively making this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/alg.rs:110:17
[INFO] [stdout]     |
[INFO] [stdout] 110 |                 _ => unreachable!(),
[INFO] [stdout]     |                 ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/alg.rs:110:17
[INFO] [stdout]     |
[INFO] [stdout] 88  |                 And => { // e1 && e2
[INFO] [stdout]     |                 --- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 99  |                 Or => { // e1 || e2
[INFO] [stdout]     |                 -- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 110 |                 _ => unreachable!(),
[INFO] [stdout]     |                 ^ collectively making this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/alg.rs:159:22
[INFO] [stdout]     |
[INFO] [stdout] 159 |                 Some(v) => true,
[INFO] [stdout]     |                      ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/alg.rs:163:22
[INFO] [stdout]     |
[INFO] [stdout] 163 |                 Some(v) => true, 
[INFO] [stdout]     |                      ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `count_vars` and `get_vars` are never used
[INFO] [stdout]    --> src/alg.rs:176:12
[INFO] [stdout]     |
[INFO] [stdout] 137 | impl Evaluator {
[INFO] [stdout]     | -------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 176 |     pub fn count_vars(&self) -> usize {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 180 |     pub fn get_vars(&self) -> Vec<&char> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `balgeb-rs` (bin "balgeb-rs"); 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to parse process output: `/opt/rustwide/rustup-home/toolchains/9b5e8b16bd1c4acf4cf8e6880368314cf021a987/bin/rustc --crate-name balgeb_rs --edition=2021 src/main.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --check-cfg 'cfg(docsrs)' --check-cfg 'cfg(feature, values())' -C metadata=e83a7e454476e81d -C extra-filename=-246089e8b08f0c40 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=forbid -Dtail-expr-drop-order` (exit status: 101)
[INFO] running `Command { std: "docker" "inspect" "ef6d40d5661a348af7c61c0aca9a31fd391e5a5f5fd731a941f5725ba894c932", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef6d40d5661a348af7c61c0aca9a31fd391e5a5f5fd731a941f5725ba894c932", kill_on_drop: false }`
[INFO] [stdout] ef6d40d5661a348af7c61c0aca9a31fd391e5a5f5fd731a941f5725ba894c932