[INFO] cloning repository https://github.com/lewis150193/Rust-tutorial
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lewis150193/Rust-tutorial" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flewis150193%2FRust-tutorial", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flewis150193%2FRust-tutorial'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9532dfe3607dcf1547205523d8335b5d99eb638a
[INFO] testing lewis150193/Rust-tutorial against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flewis150193%2FRust-tutorial" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lewis150193/Rust-tutorial 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/lewis150193/Rust-tutorial
[INFO] finished tweaking git repo https://github.com/lewis150193/Rust-tutorial
[INFO] tweaked toml for git repo https://github.com/lewis150193/Rust-tutorial written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/lewis150193/Rust-tutorial 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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] d9b4b124120da4bc1cde3c43cd6097760822d417d554fb87fc7ead545dc343d4
[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" "d9b4b124120da4bc1cde3c43cd6097760822d417d554fb87fc7ead545dc343d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d9b4b124120da4bc1cde3c43cd6097760822d417d554fb87fc7ead545dc343d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9b4b124120da4bc1cde3c43cd6097760822d417d554fb87fc7ead545dc343d4", kill_on_drop: false }`
[INFO] [stdout] d9b4b124120da4bc1cde3c43cd6097760822d417d554fb87fc7ead545dc343d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1d7b7a88ed241d6e5dc25bc911d91340a670b117dbdd97e7b163b47116de5c20
[INFO] running `Command { std: "docker" "start" "-a" "1d7b7a88ed241d6e5dc25bc911d91340a670b117dbdd97e7b163b47116de5c20", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-tut v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/print.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn run(){
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/vars.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn run(){
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `returnNumber` should have a snake case name
[INFO] [stdout]   --> src/data_types.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn returnNumber(number: i8) -> i8 {
[INFO] [stdout]    |        ^^^^^^^^^^^^ help: convert the identifier to snake case: `return_number`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "1d7b7a88ed241d6e5dc25bc911d91340a670b117dbdd97e7b163b47116de5c20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d7b7a88ed241d6e5dc25bc911d91340a670b117dbdd97e7b163b47116de5c20", kill_on_drop: false }`
[INFO] [stdout] 1d7b7a88ed241d6e5dc25bc911d91340a670b117dbdd97e7b163b47116de5c20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] e14db6faaa1c92e69f4fec6210e92b14cef492e5e6f6c153b4357a024b3c4a1e
[INFO] running `Command { std: "docker" "start" "-a" "e14db6faaa1c92e69f4fec6210e92b14cef492e5e6f6c153b4357a024b3c4a1e", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-tut v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/print.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn run(){
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/vars.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn run(){
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `returnNumber` should have a snake case name
[INFO] [stdout]   --> src/data_types.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn returnNumber(number: i8) -> i8 {
[INFO] [stdout]    |        ^^^^^^^^^^^^ help: convert the identifier to snake case: `return_number`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "e14db6faaa1c92e69f4fec6210e92b14cef492e5e6f6c153b4357a024b3c4a1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e14db6faaa1c92e69f4fec6210e92b14cef492e5e6f6c153b4357a024b3c4a1e", kill_on_drop: false }`
[INFO] [stdout] e14db6faaa1c92e69f4fec6210e92b14cef492e5e6f6c153b4357a024b3c4a1e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] eea089131a34661efb963544c6f1fe571161e7f71746fe57307449a82db0a08c
[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" "eea089131a34661efb963544c6f1fe571161e7f71746fe57307449a82db0a08c", kill_on_drop: false }`
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]  --> src/print.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn run(){
[INFO] [stderr]   |        ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]  --> src/vars.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn run(){
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `returnNumber` should have a snake case name
[INFO] [stderr]   --> src/data_types.rs:23:8
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub fn returnNumber(number: i8) -> i8 {
[INFO] [stderr]    |        ^^^^^^^^^^^^ help: convert the identifier to snake case: `return_number`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_tut-dd4ccbc8d9aaef2d
[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" "eea089131a34661efb963544c6f1fe571161e7f71746fe57307449a82db0a08c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eea089131a34661efb963544c6f1fe571161e7f71746fe57307449a82db0a08c", kill_on_drop: false }`
[INFO] [stdout] eea089131a34661efb963544c6f1fe571161e7f71746fe57307449a82db0a08c