[INFO] cloning repository https://github.com/nusuke/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/nusuke/rust-tutorial" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnusuke%2Frust-tutorial", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnusuke%2Frust-tutorial'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b5c8823a45c00cfca1df2961e2a2c7a76d1696d4
[INFO] checking nusuke/rust-tutorial against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnusuke%2Frust-tutorial" "/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/nusuke/rust-tutorial on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nusuke/rust-tutorial
[INFO] finished tweaking git repo https://github.com/nusuke/rust-tutorial
[INFO] tweaked toml for git repo https://github.com/nusuke/rust-tutorial written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/nusuke/rust-tutorial already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 75cc89ddcbcb6385bc665746873821ec5e03de7ead433aff8300ae7d235346fc
[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" "75cc89ddcbcb6385bc665746873821ec5e03de7ead433aff8300ae7d235346fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75cc89ddcbcb6385bc665746873821ec5e03de7ead433aff8300ae7d235346fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75cc89ddcbcb6385bc665746873821ec5e03de7ead433aff8300ae7d235346fc", kill_on_drop: false }`
[INFO] [stdout] 75cc89ddcbcb6385bc665746873821ec5e03de7ead433aff8300ae7d235346fc
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 828acaa3b547a6f30c40490caa3948de5cf3533b59e4b7cb36062f9173b395b7
[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" "828acaa3b547a6f30c40490caa3948de5cf3533b59e4b7cb36062f9173b395b7", kill_on_drop: false }`
[INFO] [stderr]     Checking rust-tutorial v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `isEven`
[INFO] [stdout]  --> src/module_a.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 |     pub fn isEven(num :i32) -> bool{
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `isOdd`
[INFO] [stdout]   --> src/main.rs:26:16
[INFO] [stdout]    |
[INFO] [stdout] 26 |         pub fn isOdd(num: i32) -> bool{
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Module` should have a snake case name
[INFO] [stdout]   --> src/main.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | mod Module {
[INFO] [stdout]    |     ^^^^^^ help: convert the identifier to snake case: `module`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `isEven` should have a snake case name
[INFO] [stdout]  --> src/module_a.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 |     pub fn isEven(num :i32) -> bool{
[INFO] [stdout]   |            ^^^^^^ help: convert the identifier to snake case: `is_even`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Module2` should have a snake case name
[INFO] [stdout]   --> src/main.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub mod Module2{
[INFO] [stdout]    |             ^^^^^^^ help: convert the identifier to snake case: `module2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `isOdd` should have a snake case name
[INFO] [stdout]   --> src/main.rs:26:16
[INFO] [stdout]    |
[INFO] [stdout] 26 |         pub fn isOdd(num: i32) -> bool{
[INFO] [stdout]    |                ^^^^^ help: convert the identifier to snake case: `is_odd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `isEven`
[INFO] [stdout]  --> src/module_a.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 |     pub fn isEven(num :i32) -> bool{
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `isOdd`
[INFO] [stdout]   --> src/main.rs:26:16
[INFO] [stdout]    |
[INFO] [stdout] 26 |         pub fn isOdd(num: i32) -> bool{
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Module` should have a snake case name
[INFO] [stdout]   --> src/main.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | mod Module {
[INFO] [stdout]    |     ^^^^^^ help: convert the identifier to snake case: `module`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `isEven` should have a snake case name
[INFO] [stdout]  --> src/module_a.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 |     pub fn isEven(num :i32) -> bool{
[INFO] [stdout]   |            ^^^^^^ help: convert the identifier to snake case: `is_even`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Module2` should have a snake case name
[INFO] [stdout]   --> src/main.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub mod Module2{
[INFO] [stdout]    |             ^^^^^^^ help: convert the identifier to snake case: `module2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `isOdd` should have a snake case name
[INFO] [stdout]   --> src/main.rs:26:16
[INFO] [stdout]    |
[INFO] [stdout] 26 |         pub fn isOdd(num: i32) -> bool{
[INFO] [stdout]    |                ^^^^^ help: convert the identifier to snake case: `is_odd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "828acaa3b547a6f30c40490caa3948de5cf3533b59e4b7cb36062f9173b395b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "828acaa3b547a6f30c40490caa3948de5cf3533b59e4b7cb36062f9173b395b7", kill_on_drop: false }`
[INFO] [stdout] 828acaa3b547a6f30c40490caa3948de5cf3533b59e4b7cb36062f9173b395b7