[INFO] cloning repository https://github.com/rylev/coding-challenge
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rylev/coding-challenge" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frylev%2Fcoding-challenge", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frylev%2Fcoding-challenge'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 34a2a31e512eb89fedecc2b8800accbae0ec04e4
[INFO] testing rylev/coding-challenge against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frylev%2Fcoding-challenge" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rylev/coding-challenge 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/rylev/coding-challenge
[INFO] finished tweaking git repo https://github.com/rylev/coding-challenge
[INFO] tweaked toml for git repo https://github.com/rylev/coding-challenge written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/rylev/coding-challenge 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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a93affe769fa5bcb22b1fda5a14ef41bc4c0440c88ca926b3c5d761dfc4bd0aa
[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" "a93affe769fa5bcb22b1fda5a14ef41bc4c0440c88ca926b3c5d761dfc4bd0aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a93affe769fa5bcb22b1fda5a14ef41bc4c0440c88ca926b3c5d761dfc4bd0aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a93affe769fa5bcb22b1fda5a14ef41bc4c0440c88ca926b3c5d761dfc4bd0aa", kill_on_drop: false }`
[INFO] [stdout] a93affe769fa5bcb22b1fda5a14ef41bc4c0440c88ca926b3c5d761dfc4bd0aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b716127962124207f6be4d5faebcb128317d81f786ab0fcfaabdbe973f4a43d
[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" "0b716127962124207f6be4d5faebcb128317d81f786ab0fcfaabdbe973f4a43d", kill_on_drop: false }`
[INFO] [stderr]    Compiling coding-challenge v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `numbers`
[INFO] [stdout]  --> src/lib.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 |     pub fn new(numbers: Vec<i32>) -> Self {
[INFO] [stdout]   |                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_numbers`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]  --> src/lib.rs:8:29
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub fn sum_range(&self, i: i32, j: i32) -> i32 {
[INFO] [stdout]   |                             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]  --> src/lib.rs:8:37
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub fn sum_range(&self, i: i32, j: i32) -> i32 {
[INFO] [stdout]   |                                     ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "0b716127962124207f6be4d5faebcb128317d81f786ab0fcfaabdbe973f4a43d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b716127962124207f6be4d5faebcb128317d81f786ab0fcfaabdbe973f4a43d", kill_on_drop: false }`
[INFO] [stdout] 0b716127962124207f6be4d5faebcb128317d81f786ab0fcfaabdbe973f4a43d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", 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] dad2afa600ead7909c5ca5509c5595c0eceaf38f6f869fb83caec114969aa761
[INFO] running `Command { std: "docker" "start" "-a" "dad2afa600ead7909c5ca5509c5595c0eceaf38f6f869fb83caec114969aa761", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `numbers`
[INFO] [stdout]  --> src/lib.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 |     pub fn new(numbers: Vec<i32>) -> Self {
[INFO] [stdout]   |                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_numbers`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling coding-challenge v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]  --> src/lib.rs:8:29
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub fn sum_range(&self, i: i32, j: i32) -> i32 {
[INFO] [stdout]   |                             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]  --> src/lib.rs:8:37
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub fn sum_range(&self, i: i32, j: i32) -> i32 {
[INFO] [stdout]   |                                     ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `numbers`
[INFO] [stdout]  --> src/lib.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 |     pub fn new(numbers: Vec<i32>) -> Self {
[INFO] [stdout]   |                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_numbers`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]  --> src/lib.rs:8:29
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub fn sum_range(&self, i: i32, j: i32) -> i32 {
[INFO] [stdout]   |                             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]  --> src/lib.rs:8:37
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub fn sum_range(&self, i: i32, j: i32) -> i32 {
[INFO] [stdout]   |                                     ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "dad2afa600ead7909c5ca5509c5595c0eceaf38f6f869fb83caec114969aa761", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dad2afa600ead7909c5ca5509c5595c0eceaf38f6f869fb83caec114969aa761", kill_on_drop: false }`
[INFO] [stdout] dad2afa600ead7909c5ca5509c5595c0eceaf38f6f869fb83caec114969aa761
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2dcb02b3bc66de9b02a79209e35ac2b58bee5176600d26531931b5327694f711
[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" "2dcb02b3bc66de9b02a79209e35ac2b58bee5176600d26531931b5327694f711", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `numbers`
[INFO] [stderr]  --> src/lib.rs:4:16
[INFO] [stderr]   |
[INFO] [stderr] 4 |     pub fn new(numbers: Vec<i32>) -> Self {
[INFO] [stderr]   |                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_numbers`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]  --> src/lib.rs:8:29
[INFO] [stderr]   |
[INFO] [stderr] 8 |     pub fn sum_range(&self, i: i32, j: i32) -> i32 {
[INFO] [stderr]   |                             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `j`
[INFO] [stderr]  --> src/lib.rs:8:37
[INFO] [stderr]   |
[INFO] [stderr] 8 |     pub fn sum_range(&self, i: i32, j: i32) -> i32 {
[INFO] [stderr]   |                                     ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `numbers`
[INFO] [stderr]  --> src/lib.rs:4:16
[INFO] [stderr]   |
[INFO] [stderr] 4 |     pub fn new(numbers: Vec<i32>) -> Self {
[INFO] [stderr]   |                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_numbers`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]  --> src/lib.rs:8:29
[INFO] [stderr]   |
[INFO] [stderr] 8 |     pub fn sum_range(&self, i: i32, j: i32) -> i32 {
[INFO] [stderr]   |                             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `j`
[INFO] [stderr]  --> src/lib.rs:8:37
[INFO] [stderr]   |
[INFO] [stderr] 8 |     pub fn sum_range(&self, i: i32, j: i32) -> i32 {
[INFO] [stderr]   |                                     ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/coding_challenge-e44f98928173d455
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests coding-challenge
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2dcb02b3bc66de9b02a79209e35ac2b58bee5176600d26531931b5327694f711", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dcb02b3bc66de9b02a79209e35ac2b58bee5176600d26531931b5327694f711", kill_on_drop: false }`
[INFO] [stdout] 2dcb02b3bc66de9b02a79209e35ac2b58bee5176600d26531931b5327694f711