[INFO] cloning repository https://github.com/ReginaF2012/rust_vectors [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ReginaF2012/rust_vectors" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FReginaF2012%2Frust_vectors", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FReginaF2012%2Frust_vectors'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 508931734d8cc55bc1a388ec101a9a2d5ca1e14d [INFO] checking ReginaF2012/rust_vectors against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FReginaF2012%2Frust_vectors" "/workspace/builds/worker-10/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ReginaF2012/rust_vectors on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ReginaF2012/rust_vectors [INFO] finished tweaking git repo https://github.com/ReginaF2012/rust_vectors [INFO] tweaked toml for git repo https://github.com/ReginaF2012/rust_vectors written to /workspace/builds/worker-10/source/Cargo.toml [INFO] crate git repo https://github.com/ReginaF2012/rust_vectors already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", 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] b9feedf03e3e0379ae81815717dccf54a6ed4925059b2f4215651e1b474e6081 [INFO] running `Command { std: "docker" "start" "-a" "b9feedf03e3e0379ae81815717dccf54a6ed4925059b2f4215651e1b474e6081", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b9feedf03e3e0379ae81815717dccf54a6ed4925059b2f4215651e1b474e6081", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b9feedf03e3e0379ae81815717dccf54a6ed4925059b2f4215651e1b474e6081", kill_on_drop: false }` [INFO] [stdout] b9feedf03e3e0379ae81815717dccf54a6ed4925059b2f4215651e1b474e6081 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c5ef41de0b1233ac2c92f2fc782eb8c285ed6732f9c43b91e9c949d3a30f0f48 [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" "c5ef41de0b1233ac2c92f2fc782eb8c285ed6732f9c43b91e9c949d3a30f0f48", kill_on_drop: false }` [INFO] [stderr] Checking rust_vectors v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `v1` [INFO] [stdout] --> src/main.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 4 | let v1: Vec = Vec::new(); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_v1` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v2` [INFO] [stdout] --> src/main.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | let v2 = vec![1, 2, 3]; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_v2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `does_not_exist` [INFO] [stdout] --> src/main.rs:36:9 [INFO] [stdout] | [INFO] [stdout] 36 | let does_not_exist = v5.get(100); [INFO] [stdout] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_does_not_exist` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `row` [INFO] [stdout] --> src/main.rs:58:9 [INFO] [stdout] | [INFO] [stdout] 58 | let row = vec![ [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_row` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `vec` [INFO] [stdout] --> src/main.rs:65:9 [INFO] [stdout] | [INFO] [stdout] 65 | let vec = vec![0; 5]; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_vec` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `vec` [INFO] [stdout] --> src/main.rs:81:13 [INFO] [stdout] | [INFO] [stdout] 81 | let mut vec = Vec::::with_capacity(10); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_vec` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:81:9 [INFO] [stdout] | [INFO] [stdout] 81 | let mut vec = Vec::::with_capacity(10); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v1` [INFO] [stdout] --> src/main.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 4 | let v1: Vec = Vec::new(); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_v1` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v2` [INFO] [stdout] --> src/main.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | let v2 = vec![1, 2, 3]; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_v2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `does_not_exist` [INFO] [stdout] --> src/main.rs:36:9 [INFO] [stdout] | [INFO] [stdout] 36 | let does_not_exist = v5.get(100); [INFO] [stdout] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_does_not_exist` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `row` [INFO] [stdout] --> src/main.rs:58:9 [INFO] [stdout] | [INFO] [stdout] 58 | let row = vec![ [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_row` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `vec` [INFO] [stdout] --> src/main.rs:65:9 [INFO] [stdout] | [INFO] [stdout] 65 | let vec = vec![0; 5]; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_vec` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `vec` [INFO] [stdout] --> src/main.rs:81:13 [INFO] [stdout] | [INFO] [stdout] 81 | let mut vec = Vec::::with_capacity(10); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_vec` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:81:9 [INFO] [stdout] | [INFO] [stdout] 81 | let mut vec = Vec::::with_capacity(10); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.54s [INFO] running `Command { std: "docker" "inspect" "c5ef41de0b1233ac2c92f2fc782eb8c285ed6732f9c43b91e9c949d3a30f0f48", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c5ef41de0b1233ac2c92f2fc782eb8c285ed6732f9c43b91e9c949d3a30f0f48", kill_on_drop: false }` [INFO] [stdout] c5ef41de0b1233ac2c92f2fc782eb8c285ed6732f9c43b91e9c949d3a30f0f48