[INFO] cloning repository https://github.com/mreboland/rustBasicsConcurrency [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mreboland/rustBasicsConcurrency" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmreboland%2FrustBasicsConcurrency", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmreboland%2FrustBasicsConcurrency'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9fa16121c40a80b9fea13f9b03604ed2119df227 [INFO] checking mreboland/rustBasicsConcurrency against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmreboland%2FrustBasicsConcurrency" "/workspace/builds/worker-13/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mreboland/rustBasicsConcurrency on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mreboland/rustBasicsConcurrency [INFO] finished tweaking git repo https://github.com/mreboland/rustBasicsConcurrency [INFO] tweaked toml for git repo https://github.com/mreboland/rustBasicsConcurrency written to /workspace/builds/worker-13/source/Cargo.toml [INFO] crate git repo https://github.com/mreboland/rustBasicsConcurrency already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 77412fd3624ec23a2a32d80e52ca29cebfdbcd270e81cb7fb7486d96f6c24dba [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" "77412fd3624ec23a2a32d80e52ca29cebfdbcd270e81cb7fb7486d96f6c24dba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "77412fd3624ec23a2a32d80e52ca29cebfdbcd270e81cb7fb7486d96f6c24dba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "77412fd3624ec23a2a32d80e52ca29cebfdbcd270e81cb7fb7486d96f6c24dba", kill_on_drop: false }` [INFO] [stdout] 77412fd3624ec23a2a32d80e52ca29cebfdbcd270e81cb7fb7486d96f6c24dba [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 57352e760ac9f1c4f2d48200b07bdd39c532137d5a61652e011c42d40ff5f2d3 [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" "57352e760ac9f1c4f2d48200b07bdd39c532137d5a61652e011c42d40ff5f2d3", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling libc v0.2.94 [INFO] [stderr] Checking rustc-serialize v0.3.24 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking num-complex v0.1.43 [INFO] [stderr] Checking num-bigint v0.1.44 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Checking mandelbrot v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function is never used: `escape_time` [INFO] [stdout] --> src/main.rs:69:4 [INFO] [stdout] | [INFO] [stdout] 69 | fn escape_time(c: Complex, limit: u32) -> Option { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `parse_pair` [INFO] [stdout] --> src/main.rs:102:4 [INFO] [stdout] | [INFO] [stdout] 102 | fn parse_pair(s: &str, separator:char) -> Option<(T, T)> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `escape_time` [INFO] [stdout] --> src/main.rs:69:4 [INFO] [stdout] | [INFO] [stdout] 69 | fn escape_time(c: Complex, limit: u32) -> Option { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_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 7.67s [INFO] running `Command { std: "docker" "inspect" "57352e760ac9f1c4f2d48200b07bdd39c532137d5a61652e011c42d40ff5f2d3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "57352e760ac9f1c4f2d48200b07bdd39c532137d5a61652e011c42d40ff5f2d3", kill_on_drop: false }` [INFO] [stdout] 57352e760ac9f1c4f2d48200b07bdd39c532137d5a61652e011c42d40ff5f2d3