[INFO] cloning repository https://github.com/wegry/svvg [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wegry/svvg" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwegry%2Fsvvg", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwegry%2Fsvvg'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 959423c5988f14542177e9ce75526ea8fde63ac3 [INFO] checking wegry/svvg against master#c9228570668803e3e6402770d55f23a12c9ae686 for pr-79472 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwegry%2Fsvvg" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/wegry/svvg on toolchain c9228570668803e3e6402770d55f23a12c9ae686 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/wegry/svvg [INFO] finished tweaking git repo https://github.com/wegry/svvg [INFO] tweaked toml for git repo https://github.com/wegry/svvg written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/wegry/svvg already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d90af69ace6ba71add6b1b6c2e10a4dc6eb35d9bddb806650792c58674f44f4c [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" "d90af69ace6ba71add6b1b6c2e10a4dc6eb35d9bddb806650792c58674f44f4c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d90af69ace6ba71add6b1b6c2e10a4dc6eb35d9bddb806650792c58674f44f4c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d90af69ace6ba71add6b1b6c2e10a4dc6eb35d9bddb806650792c58674f44f4c", kill_on_drop: false }` [INFO] [stdout] d90af69ace6ba71add6b1b6c2e10a4dc6eb35d9bddb806650792c58674f44f4c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5e1af40067d068ad0014fda9615cd4e70a2e8a4166d9daf08bd78bdf54d9bc6c [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" "5e1af40067d068ad0014fda9615cd4e70a2e8a4166d9daf08bd78bdf54d9bc6c", kill_on_drop: false }` [INFO] [stderr] Checking either v1.5.0 [INFO] [stderr] Checking itertools v0.8.0 [INFO] [stderr] Checking svvg v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/main.rs:170:9 [INFO] [stdout] | [INFO] [stdout] 170 | ((starting_at as i32) + seq.get(index).unwrap()) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/main.rs:170:9 [INFO] [stdout] | [INFO] [stdout] 170 | ((starting_at as i32) + seq.get(index).unwrap()) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `name` [INFO] [stdout] --> src/main.rs:55:5 [INFO] [stdout] | [INFO] [stdout] 55 | name: String, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `name` [INFO] [stdout] --> src/main.rs:55:5 [INFO] [stdout] | [INFO] [stdout] 55 | name: String, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.34s [INFO] running `Command { std: "docker" "inspect" "5e1af40067d068ad0014fda9615cd4e70a2e8a4166d9daf08bd78bdf54d9bc6c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5e1af40067d068ad0014fda9615cd4e70a2e8a4166d9daf08bd78bdf54d9bc6c", kill_on_drop: false }` [INFO] [stdout] 5e1af40067d068ad0014fda9615cd4e70a2e8a4166d9daf08bd78bdf54d9bc6c