[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] testing syedqutaiba/Q1_Assignment_1a against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsyedqutaiba%2FQ1_Assignment_1a" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/syedqutaiba/Q1_Assignment_1a on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", 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-1/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" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d78001a5f7867eb32c18d7c7b08a9f27688e6a3bc4a9e518f633602b29048790
[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" "d78001a5f7867eb32c18d7c7b08a9f27688e6a3bc4a9e518f633602b29048790", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d78001a5f7867eb32c18d7c7b08a9f27688e6a3bc4a9e518f633602b29048790", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d78001a5f7867eb32c18d7c7b08a9f27688e6a3bc4a9e518f633602b29048790", kill_on_drop: false }`
[INFO] [stdout] d78001a5f7867eb32c18d7c7b08a9f27688e6a3bc4a9e518f633602b29048790
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eeb0c3540ab972f11596565abb43a89b9e9016b5ce66ab81e7523b3dc8f737cd
[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" "eeb0c3540ab972f11596565abb43a89b9e9016b5ce66ab81e7523b3dc8f737cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "eeb0c3540ab972f11596565abb43a89b9e9016b5ce66ab81e7523b3dc8f737cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eeb0c3540ab972f11596565abb43a89b9e9016b5ce66ab81e7523b3dc8f737cd", kill_on_drop: false }`
[INFO] [stdout] eeb0c3540ab972f11596565abb43a89b9e9016b5ce66ab81e7523b3dc8f737cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f021d063b5da1f6fd1a07fc0e139f2946e12544f938890a557c7a3143ea8b0d2
[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" "f021d063b5da1f6fd1a07fc0e139f2946e12544f938890a557c7a3143ea8b0d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "f021d063b5da1f6fd1a07fc0e139f2946e12544f938890a557c7a3143ea8b0d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f021d063b5da1f6fd1a07fc0e139f2946e12544f938890a557c7a3143ea8b0d2", kill_on_drop: false }`
[INFO] [stdout] f021d063b5da1f6fd1a07fc0e139f2946e12544f938890a557c7a3143ea8b0d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 53115fc48c0d2c1e2528f14e89d5ae3258d2ed8d29dbc4eca3a803ed670f81e5
[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" "53115fc48c0d2c1e2528f14e89d5ae3258d2ed8d29dbc4eca3a803ed670f81e5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/main.rs:66:10
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr] 66 |     let (a, b, c, d, e, f) = tup;
[INFO] [stdout] 
[INFO] [stderr]    |          ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]   --> src/main.rs:66:13
[INFO] [stderr]    |
[INFO] [stderr] 66 |     let (a, b, c, d, e, f) = tup;
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `d`
[INFO] [stderr]   --> src/main.rs:66:19
[INFO] [stderr]    |
[INFO] [stderr] 66 |     let (a, b, c, d, e, f) = tup;
[INFO] [stderr]    |                   ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `even`
[INFO] [stderr]    --> src/main.rs:128:9
[INFO] [stderr]     |
[INFO] [stderr] 128 |     for even in 0..6 {
[INFO] [stderr]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_even`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `odd`
[INFO] [stderr]    --> src/main.rs:140:9
[INFO] [stderr]     |
[INFO] [stderr] 140 |     for odd in 1..6 {
[INFO] [stderr]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_odd`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `number`
[INFO] [stderr]    --> src/main.rs:151:9
[INFO] [stderr]     |
[INFO] [stderr] 151 |     for number in 1..10 {
[INFO] [stderr]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_number`
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.32s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/assignment_1a-832c59d76f3c4058
[INFO] running `Command { std: "docker" "inspect" "53115fc48c0d2c1e2528f14e89d5ae3258d2ed8d29dbc4eca3a803ed670f81e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53115fc48c0d2c1e2528f14e89d5ae3258d2ed8d29dbc4eca3a803ed670f81e5", kill_on_drop: false }`
[INFO] [stdout] 53115fc48c0d2c1e2528f14e89d5ae3258d2ed8d29dbc4eca3a803ed670f81e5