[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 try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FReginaF2012%2Frust_vectors" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ReginaF2012/rust_vectors on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "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-0/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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 953223c7f1d7b6ca5eff85af8638a0c9a4fc6b41a2ac50e70fd5a84469839e5c [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" "953223c7f1d7b6ca5eff85af8638a0c9a4fc6b41a2ac50e70fd5a84469839e5c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "953223c7f1d7b6ca5eff85af8638a0c9a4fc6b41a2ac50e70fd5a84469839e5c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "953223c7f1d7b6ca5eff85af8638a0c9a4fc6b41a2ac50e70fd5a84469839e5c", kill_on_drop: false }` [INFO] [stdout] 953223c7f1d7b6ca5eff85af8638a0c9a4fc6b41a2ac50e70fd5a84469839e5c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 79bcd790e16a9d4a06880bd6be782c6ecd651d55d558d37dacd4ed052528f2e3 [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" "79bcd790e16a9d4a06880bd6be782c6ecd651d55d558d37dacd4ed052528f2e3", 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: 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: 7 warnings emitted [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 0.33s [INFO] running `Command { std: "docker" "inspect" "79bcd790e16a9d4a06880bd6be782c6ecd651d55d558d37dacd4ed052528f2e3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "79bcd790e16a9d4a06880bd6be782c6ecd651d55d558d37dacd4ed052528f2e3", kill_on_drop: false }` [INFO] [stdout] 79bcd790e16a9d4a06880bd6be782c6ecd651d55d558d37dacd4ed052528f2e3