[INFO] crate asciis 0.1.3 is already in cache [INFO] checking asciis-0.1.3 against master#8ac1525e091d3db28e67adcbbd6db1e1deaa37fb for pr-73323 [INFO] extracting crate asciis 0.1.3 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate asciis 0.1.3 on toolchain 8ac1525e091d3db28e67adcbbd6db1e1deaa37fb [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate asciis 0.1.3 [INFO] finished tweaking crates.io crate asciis 0.1.3 [INFO] tweaked toml for crates.io crate asciis 0.1.3 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a7bd7b2560bd72f9e05a9856acaaec47ca11ac19a99a249ef93e0523d13f6839 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "a7bd7b2560bd72f9e05a9856acaaec47ca11ac19a99a249ef93e0523d13f6839", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a7bd7b2560bd72f9e05a9856acaaec47ca11ac19a99a249ef93e0523d13f6839", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a7bd7b2560bd72f9e05a9856acaaec47ca11ac19a99a249ef93e0523d13f6839", kill_on_drop: false }` [INFO] [stdout] a7bd7b2560bd72f9e05a9856acaaec47ca11ac19a99a249ef93e0523d13f6839 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d34673320c7bff7e3190ad683a23f245a15326c52cdedadb49f2a0905c80f313 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "d34673320c7bff7e3190ad683a23f245a15326c52cdedadb49f2a0905c80f313", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking asciis v0.1.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/asc.rs:151:17 [INFO] [stdout] | [INFO] [stdout] 150 | return Some(val.0.to_string()); [INFO] [stdout] | ------------------------------ any code following this expression is unreachable [INFO] [stdout] 151 | break; [INFO] [stdout] | ^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/asc.rs:151:17 [INFO] [stdout] | [INFO] [stdout] 150 | return Some(val.0.to_string()); [INFO] [stdout] | ------------------------------ any code following this expression is unreachable [INFO] [stdout] 151 | break; [INFO] [stdout] | ^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/asc.rs:141:18 [INFO] [stdout] | [INFO] [stdout] 141 | Some(n) => Some(*res.unwrap()), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/asc.rs:148:14 [INFO] [stdout] | [INFO] [stdout] 148 | for (key, val) in hmp.iter().enumerate(){ [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/asc.rs:141:18 [INFO] [stdout] | [INFO] [stdout] 141 | Some(n) => Some(*res.unwrap()), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/asc.rs:148:14 [INFO] [stdout] | [INFO] [stdout] 148 | for (key, val) in hmp.iter().enumerate(){ [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.31s [INFO] running `Command { std: "docker" "inspect" "d34673320c7bff7e3190ad683a23f245a15326c52cdedadb49f2a0905c80f313", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d34673320c7bff7e3190ad683a23f245a15326c52cdedadb49f2a0905c80f313", kill_on_drop: false }` [INFO] [stdout] d34673320c7bff7e3190ad683a23f245a15326c52cdedadb49f2a0905c80f313