[INFO] fetching crate show-simplex 0.9.0... [INFO] checking show-simplex-0.9.0 against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565 [INFO] extracting crate show-simplex 0.9.0 into /workspace/builds/worker-3/source [INFO] validating manifest of crates.io crate show-simplex 0.9.0 on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "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-3/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" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded image v0.18.0 [INFO] [stderr] Downloaded inflate v0.3.4 [INFO] [stderr] Downloaded schedule_recv v0.1.0 [INFO] [stderr] Downloaded noise v0.5.1 [INFO] [stderr] Downloaded png v0.11.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] db5c1559c631906f198ddbce7e2cdb42dafbebdb65f1f94e2b812827d61bd95c [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" "db5c1559c631906f198ddbce7e2cdb42dafbebdb65f1f94e2b812827d61bd95c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "db5c1559c631906f198ddbce7e2cdb42dafbebdb65f1f94e2b812827d61bd95c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "db5c1559c631906f198ddbce7e2cdb42dafbebdb65f1f94e2b812827d61bd95c", kill_on_drop: false }` [INFO] [stdout] db5c1559c631906f198ddbce7e2cdb42dafbebdb65f1f94e2b812827d61bd95c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 4182da581e207ebe25f121b67aa585f98fe7fe6f0f9225e16fe28bdde769a601 [INFO] running `Command { std: "docker" "start" "-a" "4182da581e207ebe25f121b67aa585f98fe7fe6f0f9225e16fe28bdde769a601", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling proc-macro2 v1.0.18 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling syn v1.0.34 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Checking lzw v0.10.0 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Checking color_quant v1.0.1 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking scoped_threadpool v0.1.9 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.3 [INFO] [stderr] Compiling proc-macro-error v1.0.3 [INFO] [stderr] Checking inflate v0.3.4 [INFO] [stderr] Checking schedule_recv v0.1.0 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking terminal_size v0.1.13 [INFO] [stderr] Checking gif v0.9.2 [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 num-iter v0.1.41 [INFO] [stderr] Compiling rayon v1.3.1 [INFO] [stderr] Checking clap v2.33.1 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking deflate v0.7.20 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking crossbeam-queue v0.2.3 [INFO] [stderr] Checking crossbeam-deque v0.7.3 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking rayon-core v1.7.1 [INFO] [stderr] Checking enum_primitive v0.1.1 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking png v0.11.0 [INFO] [stderr] Compiling syn-mid v0.5.0 [INFO] [stderr] Checking jpeg-decoder v0.1.20 [INFO] [stderr] Checking image v0.18.0 [INFO] [stderr] Compiling structopt-derive v0.4.8 [INFO] [stderr] Checking noise v0.5.1 [INFO] [stderr] Checking structopt v0.3.15 [INFO] [stderr] Checking 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] [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 45.64s [INFO] running `Command { std: "docker" "inspect" "4182da581e207ebe25f121b67aa585f98fe7fe6f0f9225e16fe28bdde769a601", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4182da581e207ebe25f121b67aa585f98fe7fe6f0f9225e16fe28bdde769a601", kill_on_drop: false }` [INFO] [stdout] 4182da581e207ebe25f121b67aa585f98fe7fe6f0f9225e16fe28bdde769a601