[INFO] cloning repository https://github.com/SAHOO98/rust_intro
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SAHOO98/rust_intro" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSAHOO98%2Frust_intro", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSAHOO98%2Frust_intro'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 62ee0ef13cc3d260109c20aae7632380fee419c6
[INFO] testing SAHOO98/rust_intro against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSAHOO98%2Frust_intro" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SAHOO98/rust_intro on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SAHOO98/rust_intro
[INFO] finished tweaking git repo https://github.com/SAHOO98/rust_intro
[INFO] tweaked toml for git repo https://github.com/SAHOO98/rust_intro written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/SAHOO98/rust_intro already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1a61feb24cedc2029bb57985d77f601af9100d183a2cb501c133b79244c26dcb
[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" "1a61feb24cedc2029bb57985d77f601af9100d183a2cb501c133b79244c26dcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a61feb24cedc2029bb57985d77f601af9100d183a2cb501c133b79244c26dcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a61feb24cedc2029bb57985d77f601af9100d183a2cb501c133b79244c26dcb", kill_on_drop: false }`
[INFO] [stdout] 1a61feb24cedc2029bb57985d77f601af9100d183a2cb501c133b79244c26dcb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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] 60fe6122ae15346b909345c41ce5a1a6f882f709fc740a296e3029b327a405fa
[INFO] running `Command { std: "docker" "start" "-a" "60fe6122ae15346b909345c41ce5a1a6f882f709fc740a296e3029b327a405fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_intro v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `up` should have an upper camel case name
[INFO] [stdout]  --> src/enums.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     up, down, left, right
[INFO] [stdout]   |     ^^ help: convert the identifier to upper camel case (notice the capitalization): `Up`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `down` should have an upper camel case name
[INFO] [stdout]  --> src/enums.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     up, down, left, right
[INFO] [stdout]   |         ^^^^ help: convert the identifier to upper camel case: `Down`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `left` should have an upper camel case name
[INFO] [stdout]  --> src/enums.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 |     up, down, left, right
[INFO] [stdout]   |               ^^^^ help: convert the identifier to upper camel case: `Left`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `right` should have an upper camel case name
[INFO] [stdout]  --> src/enums.rs:3:21
[INFO] [stdout]   |
[INFO] [stdout] 3 |     up, down, left, right
[INFO] [stdout]   |                     ^^^^^ help: convert the identifier to upper camel case: `Right`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `man1`
[INFO] [stdout]   --> src/enums.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let man1 = Movement::up;
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_man1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `man2`
[INFO] [stdout]   --> src/enums.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let man2 = Movement::down;
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_man2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `man4`
[INFO] [stdout]   --> src/enums.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let man4 = Movement::right;
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_man4`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/structs.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |     let mut red  = Color{
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "60fe6122ae15346b909345c41ce5a1a6f882f709fc740a296e3029b327a405fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60fe6122ae15346b909345c41ce5a1a6f882f709fc740a296e3029b327a405fa", kill_on_drop: false }`
[INFO] [stdout] 60fe6122ae15346b909345c41ce5a1a6f882f709fc740a296e3029b327a405fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa0905fbf701297db2d8d30a86ea405bf9ac521d99031cbb0eb3299646f79c94
[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" "fa0905fbf701297db2d8d30a86ea405bf9ac521d99031cbb0eb3299646f79c94", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_intro v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `up` should have an upper camel case name
[INFO] [stdout]  --> src/enums.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     up, down, left, right
[INFO] [stdout]   |     ^^ help: convert the identifier to upper camel case (notice the capitalization): `Up`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `down` should have an upper camel case name
[INFO] [stdout]  --> src/enums.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     up, down, left, right
[INFO] [stdout]   |         ^^^^ help: convert the identifier to upper camel case: `Down`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `left` should have an upper camel case name
[INFO] [stdout]  --> src/enums.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 |     up, down, left, right
[INFO] [stdout]   |               ^^^^ help: convert the identifier to upper camel case: `Left`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `right` should have an upper camel case name
[INFO] [stdout]  --> src/enums.rs:3:21
[INFO] [stdout]   |
[INFO] [stdout] 3 |     up, down, left, right
[INFO] [stdout]   |                     ^^^^^ help: convert the identifier to upper camel case: `Right`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `man1`
[INFO] [stdout]   --> src/enums.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let man1 = Movement::up;
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_man1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `man2`
[INFO] [stdout]   --> src/enums.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let man2 = Movement::down;
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_man2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `man4`
[INFO] [stdout]   --> src/enums.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let man4 = Movement::right;
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_man4`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/structs.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |     let mut red  = Color{
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "fa0905fbf701297db2d8d30a86ea405bf9ac521d99031cbb0eb3299646f79c94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa0905fbf701297db2d8d30a86ea405bf9ac521d99031cbb0eb3299646f79c94", kill_on_drop: false }`
[INFO] [stdout] fa0905fbf701297db2d8d30a86ea405bf9ac521d99031cbb0eb3299646f79c94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 153884d02415af04f24d7e783123a4f2542c12cf554f969581b1c5b8fc6f6ab3
[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" "153884d02415af04f24d7e783123a4f2542c12cf554f969581b1c5b8fc6f6ab3", kill_on_drop: false }`
[INFO] [stderr] warning: variant `up` should have an upper camel case name
[INFO] [stderr]  --> src/enums.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     up, down, left, right
[INFO] [stderr]   |     ^^ help: convert the identifier to upper camel case (notice the capitalization): `Up`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `down` should have an upper camel case name
[INFO] [stderr]  --> src/enums.rs:3:9
[INFO] [stderr]   |
[INFO] [stderr] 3 |     up, down, left, right
[INFO] [stderr]   |         ^^^^ help: convert the identifier to upper camel case: `Down`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `left` should have an upper camel case name
[INFO] [stderr]  --> src/enums.rs:3:15
[INFO] [stderr]   |
[INFO] [stderr] 3 |     up, down, left, right
[INFO] [stderr]   |               ^^^^ help: convert the identifier to upper camel case: `Left`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `right` should have an upper camel case name
[INFO] [stderr]  --> src/enums.rs:3:21
[INFO] [stderr]   |
[INFO] [stderr] 3 |     up, down, left, right
[INFO] [stderr]   |                     ^^^^^ help: convert the identifier to upper camel case: `Right`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `man1`
[INFO] [stderr]   --> src/enums.rs:17:9
[INFO] [stderr]    |
[INFO] [stderr] 17 |     let man1 = Movement::up;
[INFO] [stderr]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_man1`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `man2`
[INFO] [stderr]   --> src/enums.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |     let man2 = Movement::down;
[INFO] [stderr]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_man2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `man4`
[INFO] [stderr]   --> src/enums.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 |     let man4 = Movement::right;
[INFO] [stderr]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_man4`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/structs.rs:44:9
[INFO] [stderr]    |
[INFO] [stderr] 44 |     let mut red  = Color{
[INFO] [stderr]    |         ----^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_intro-554c63e5c4f6243b)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "153884d02415af04f24d7e783123a4f2542c12cf554f969581b1c5b8fc6f6ab3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "153884d02415af04f24d7e783123a4f2542c12cf554f969581b1c5b8fc6f6ab3", kill_on_drop: false }`
[INFO] [stdout] 153884d02415af04f24d7e783123a4f2542c12cf554f969581b1c5b8fc6f6ab3