[INFO] fetching crate show-simplex 0.9.0... [INFO] testing show-simplex-0.9.0 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799 [INFO] extracting crate show-simplex 0.9.0 into /workspace/builds/worker-40/source [INFO] validating manifest of crates.io crate show-simplex 0.9.0 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate show-simplex 0.9.0 [INFO] finished tweaking crates.io crate show-simplex 0.9.0 [INFO] tweaked toml for crates.io crate show-simplex 0.9.0 written to /workspace/builds/worker-40/source/Cargo.toml [INFO] crate crates.io crate show-simplex 0.9.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded terminal_size v0.1.13 [INFO] [stderr] Downloaded crossbeam-epoch v0.8.2 [INFO] [stderr] Downloaded crossbeam-deque v0.7.3 [INFO] [stderr] Downloaded proc-macro-error v1.0.3 [INFO] [stderr] Downloaded structopt v0.3.15 [INFO] [stderr] Downloaded enum_primitive v0.1.1 [INFO] [stderr] Downloaded rayon v1.3.1 [INFO] [stderr] Downloaded num-traits v0.1.43 [INFO] [stderr] Downloaded maybe-uninit v2.0.0 [INFO] [stderr] Downloaded crossbeam-utils v0.7.2 [INFO] [stderr] Downloaded lazy_static v0.2.11 [INFO] [stderr] Downloaded clap v2.33.1 [INFO] [stderr] Downloaded memoffset v0.5.5 [INFO] [stderr] Downloaded gif v0.9.2 [INFO] [stderr] Downloaded num-iter v0.1.41 [INFO] [stderr] Downloaded crossbeam-queue v0.2.3 [INFO] [stderr] Downloaded jpeg-decoder v0.1.20 [INFO] [stderr] Downloaded proc-macro-error-attr v1.0.3 [INFO] [stderr] Downloaded structopt-derive v0.4.8 [INFO] [stderr] Downloaded libc v0.2.72 [INFO] [stderr] Downloaded syn v1.0.34 [INFO] [stderr] Downloaded rand v0.3.23 [INFO] [stderr] Downloaded rayon-core v1.7.1 [INFO] [stderr] Downloaded num-rational v0.1.42 [INFO] [stderr] Downloaded adler32 v1.1.0 [INFO] [stderr] Downloaded inflate v0.3.4 [INFO] [stderr] Downloaded png v0.11.0 [INFO] [stderr] Downloaded image v0.18.0 [INFO] [stderr] Downloaded schedule_recv v0.1.0 [INFO] [stderr] Downloaded noise v0.5.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8f7b9fa8312ec3b7cc97b8b0093de6c58bf8e71f4ea5a5daa6b042c994fd11ce [INFO] running `Command { std: "docker" "start" "-a" "8f7b9fa8312ec3b7cc97b8b0093de6c58bf8e71f4ea5a5daa6b042c994fd11ce", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8f7b9fa8312ec3b7cc97b8b0093de6c58bf8e71f4ea5a5daa6b042c994fd11ce", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8f7b9fa8312ec3b7cc97b8b0093de6c58bf8e71f4ea5a5daa6b042c994fd11ce", kill_on_drop: false }` [INFO] [stdout] 8f7b9fa8312ec3b7cc97b8b0093de6c58bf8e71f4ea5a5daa6b042c994fd11ce [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 08e26dcacb915e595a48aabe41a73f1667e770903e37da97e8467ea6a9d28f5f [INFO] running `Command { std: "docker" "start" "-a" "08e26dcacb915e595a48aabe41a73f1667e770903e37da97e8467ea6a9d28f5f", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling libc v0.2.72 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling proc-macro2 v1.0.18 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.34 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling rayon-core v1.7.1 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling adler32 v1.1.0 [INFO] [stderr] Compiling either v1.5.3 [INFO] [stderr] Compiling color_quant v1.0.1 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Compiling lzw v0.10.0 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling vec_map v0.8.2 [INFO] [stderr] Compiling scoped_threadpool v0.1.9 [INFO] [stderr] Compiling schedule_recv v0.1.0 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.3 [INFO] [stderr] Compiling proc-macro-error v1.0.3 [INFO] [stderr] Compiling inflate v0.3.4 [INFO] [stderr] Compiling gif v0.9.2 [INFO] [stderr] Compiling deflate v0.7.20 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling terminal_size v0.1.13 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling memoffset v0.5.5 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Compiling rayon v1.3.1 [INFO] [stderr] Compiling num-iter v0.1.41 [INFO] [stderr] Compiling clap v2.33.1 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling rand v0.3.23 [INFO] [stderr] Compiling crossbeam-queue v0.2.3 [INFO] [stderr] Compiling crossbeam-deque v0.7.3 [INFO] [stderr] Compiling num-traits v0.1.43 [INFO] [stderr] Compiling enum_primitive v0.1.1 [INFO] [stderr] Compiling num-rational v0.1.42 [INFO] [stderr] Compiling png v0.11.0 [INFO] [stderr] Compiling syn-mid v0.5.0 [INFO] [stderr] Compiling jpeg-decoder v0.1.20 [INFO] [stderr] Compiling image v0.18.0 [INFO] [stderr] Compiling structopt-derive v0.4.8 [INFO] [stderr] Compiling noise v0.5.1 [INFO] [stderr] Compiling structopt v0.3.15 [INFO] [stderr] Compiling show-simplex v0.9.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/main.rs:106:5 [INFO] [stdout] | [INFO] [stdout] 84 | / loop { [INFO] [stdout] 85 | | tick.recv().unwrap(); [INFO] [stdout] 86 | | print!("{}[2J", 27 as char); [INFO] [stdout] 87 | | [INFO] [stdout] ... | [INFO] [stdout] 103 | | } [INFO] [stdout] 104 | | } [INFO] [stdout] | |_____- any code following this expression is unreachable [INFO] [stdout] 105 | [INFO] [stdout] 106 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 38.51s [INFO] running `Command { std: "docker" "inspect" "08e26dcacb915e595a48aabe41a73f1667e770903e37da97e8467ea6a9d28f5f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "08e26dcacb915e595a48aabe41a73f1667e770903e37da97e8467ea6a9d28f5f", kill_on_drop: false }` [INFO] [stdout] 08e26dcacb915e595a48aabe41a73f1667e770903e37da97e8467ea6a9d28f5f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 45439b2c7f5a9522180517035250fde1799aabfbf2575670f745ac3abd3eb082 [INFO] running `Command { std: "docker" "start" "-a" "45439b2c7f5a9522180517035250fde1799aabfbf2575670f745ac3abd3eb082", kill_on_drop: false }` [INFO] [stderr] Compiling show-simplex v0.9.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/main.rs:106:5 [INFO] [stdout] | [INFO] [stdout] 84 | / loop { [INFO] [stdout] 85 | | tick.recv().unwrap(); [INFO] [stdout] 86 | | print!("{}[2J", 27 as char); [INFO] [stdout] 87 | | [INFO] [stdout] ... | [INFO] [stdout] 103 | | } [INFO] [stdout] 104 | | } [INFO] [stdout] | |_____- any code following this expression is unreachable [INFO] [stdout] 105 | [INFO] [stdout] 106 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.44s [INFO] running `Command { std: "docker" "inspect" "45439b2c7f5a9522180517035250fde1799aabfbf2575670f745ac3abd3eb082", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "45439b2c7f5a9522180517035250fde1799aabfbf2575670f745ac3abd3eb082", kill_on_drop: false }` [INFO] [stdout] 45439b2c7f5a9522180517035250fde1799aabfbf2575670f745ac3abd3eb082 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 97bb2061fe7b4cbd1ef4bfe15425155df812f744c6362b2d4a44a26130d6bc5c [INFO] running `Command { std: "docker" "start" "-a" "97bb2061fe7b4cbd1ef4bfe15425155df812f744c6362b2d4a44a26130d6bc5c", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/main.rs:106:5 [INFO] [stderr] | [INFO] [stderr] 84 | / loop { [INFO] [stderr] 85 | | tick.recv().unwrap(); [INFO] [stderr] 86 | | print!("{}[2J", 27 as char); [INFO] [stderr] 87 | | [INFO] [stderr] ... | [INFO] [stderr] 103 | | } [INFO] [stderr] 104 | | } [INFO] [stderr] | |_____- any code following this expression is unreachable [INFO] [stderr] 105 | [INFO] [stderr] 106 | Ok(()) [INFO] [stderr] | ^^^^^^ unreachable expression [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `show-simplex` (bin "show-simplex" test) generated 1 warning [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.16s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/show_simplex-02eea2197b4044a8) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "97bb2061fe7b4cbd1ef4bfe15425155df812f744c6362b2d4a44a26130d6bc5c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "97bb2061fe7b4cbd1ef4bfe15425155df812f744c6362b2d4a44a26130d6bc5c", kill_on_drop: false }` [INFO] [stdout] 97bb2061fe7b4cbd1ef4bfe15425155df812f744c6362b2d4a44a26130d6bc5c