[INFO] cloning repository https://github.com/syedqutaiba/Q1_Assignment_1a
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/syedqutaiba/Q1_Assignment_1a" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsyedqutaiba%2FQ1_Assignment_1a", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsyedqutaiba%2FQ1_Assignment_1a'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a77c90694ed05774aa99b14f9d588fa26ac94cfa
[INFO] checking syedqutaiba/Q1_Assignment_1a against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsyedqutaiba%2FQ1_Assignment_1a" "/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/syedqutaiba/Q1_Assignment_1a on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/syedqutaiba/Q1_Assignment_1a
[INFO] finished tweaking git repo https://github.com/syedqutaiba/Q1_Assignment_1a
[INFO] tweaked toml for git repo https://github.com/syedqutaiba/Q1_Assignment_1a written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/syedqutaiba/Q1_Assignment_1a already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 09133a3126159e9dd160f37ee0ef19eff8d9d0f0790851492e3c691bcbc1b1cc
[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" "09133a3126159e9dd160f37ee0ef19eff8d9d0f0790851492e3c691bcbc1b1cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09133a3126159e9dd160f37ee0ef19eff8d9d0f0790851492e3c691bcbc1b1cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09133a3126159e9dd160f37ee0ef19eff8d9d0f0790851492e3c691bcbc1b1cc", kill_on_drop: false }`
[INFO] [stdout] 09133a3126159e9dd160f37ee0ef19eff8d9d0f0790851492e3c691bcbc1b1cc
[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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c79cbd2e0328461210a849b93564073ff56b9eadbd996bad3c7337f8d569605d
[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" "c79cbd2e0328461210a849b93564073ff56b9eadbd996bad3c7337f8d569605d", kill_on_drop: false }`
[INFO] [stderr]     Checking assignment_1a v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/main.rs:66:10
[INFO] [stdout]    |
[INFO] [stdout] 66 |     let (a, b, c, d, e, f) = tup;
[INFO] [stdout]    |          ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/main.rs:66:13
[INFO] [stdout]    |
[INFO] [stdout] 66 |     let (a, b, c, d, e, f) = tup;
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `d`
[INFO] [stdout]   --> src/main.rs:66:19
[INFO] [stdout]    |
[INFO] [stdout] 66 |     let (a, b, c, d, e, f) = tup;
[INFO] [stdout]    |                   ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `even`
[INFO] [stdout]    --> src/main.rs:128:9
[INFO] [stdout]     |
[INFO] [stdout] 128 |     for even in 0..6 {
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_even`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `odd`
[INFO] [stdout]    --> src/main.rs:140:9
[INFO] [stdout]     |
[INFO] [stdout] 140 |     for odd in 1..6 {
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_odd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `number`
[INFO] [stdout]    --> src/main.rs:151:9
[INFO] [stdout]     |
[INFO] [stdout] 151 |     for number in 1..10 {
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_number`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/main.rs:66:10
[INFO] [stdout]    |
[INFO] [stdout] 66 |     let (a, b, c, d, e, f) = tup;
[INFO] [stdout]    |          ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/main.rs:66:13
[INFO] [stdout]    |
[INFO] [stdout] 66 |     let (a, b, c, d, e, f) = tup;
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `d`
[INFO] [stdout]   --> src/main.rs:66:19
[INFO] [stdout]    |
[INFO] [stdout] 66 |     let (a, b, c, d, e, f) = tup;
[INFO] [stdout]    |                   ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `even`
[INFO] [stdout]    --> src/main.rs:128:9
[INFO] [stdout]     |
[INFO] [stdout] 128 |     for even in 0..6 {
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_even`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `odd`
[INFO] [stdout]    --> src/main.rs:140:9
[INFO] [stdout]     |
[INFO] [stdout] 140 |     for odd in 1..6 {
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_odd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `number`
[INFO] [stdout]    --> src/main.rs:151:9
[INFO] [stdout]     |
[INFO] [stdout] 151 |     for number in 1..10 {
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_number`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "c79cbd2e0328461210a849b93564073ff56b9eadbd996bad3c7337f8d569605d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c79cbd2e0328461210a849b93564073ff56b9eadbd996bad3c7337f8d569605d", kill_on_drop: false }`
[INFO] [stdout] c79cbd2e0328461210a849b93564073ff56b9eadbd996bad3c7337f8d569605d