[INFO] cloning repository https://github.com/blueWhale903/learning-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/blueWhale903/learning-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FblueWhale903%2Flearning-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FblueWhale903%2Flearning-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8a12a873b86112aec6c32eef49dc066a7c6dcda9
[INFO] testing blueWhale903/learning-rust against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FblueWhale903%2Flearning-rust" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/blueWhale903/learning-rust on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/blueWhale903/learning-rust
[INFO] finished tweaking git repo https://github.com/blueWhale903/learning-rust
[INFO] tweaked toml for git repo https://github.com/blueWhale903/learning-rust written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/blueWhale903/learning-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d4b8fbf062bf394dd45399a619451be034350d907902563e773fd424b383aecc
[INFO] running `Command { std: "docker" "start" "-a" "d4b8fbf062bf394dd45399a619451be034350d907902563e773fd424b383aecc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d4b8fbf062bf394dd45399a619451be034350d907902563e773fd424b383aecc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4b8fbf062bf394dd45399a619451be034350d907902563e773fd424b383aecc", kill_on_drop: false }`
[INFO] [stdout] d4b8fbf062bf394dd45399a619451be034350d907902563e773fd424b383aecc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c4b76812dfc1a44a34c64764e9c6517231e341bf8a8d425bd4547ed0f9bd5a0a
[INFO] running `Command { std: "docker" "start" "-a" "c4b76812dfc1a44a34c64764e9c6517231e341bf8a8d425bd4547ed0f9bd5a0a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rustlang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `up` should have an upper camel case name
[INFO] [stdout]  --> src/if_let.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     up,
[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/if_let.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     down,
[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/if_let.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     left,
[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/if_let.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     right
[INFO] [stdout]   |     ^^^^^ help: convert the identifier to upper camel case: `Right`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `input` is never read
[INFO] [stdout]   --> src/if_let.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |     let mut input = String::from("");
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.37s
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c4b76812dfc1a44a34c64764e9c6517231e341bf8a8d425bd4547ed0f9bd5a0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4b76812dfc1a44a34c64764e9c6517231e341bf8a8d425bd4547ed0f9bd5a0a", kill_on_drop: false }`
[INFO] [stdout] c4b76812dfc1a44a34c64764e9c6517231e341bf8a8d425bd4547ed0f9bd5a0a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c2191dbba191b22e533d9872ef34ebd65524efafbe87c7fffe401f9fa307c578
[INFO] running `Command { std: "docker" "start" "-a" "c2191dbba191b22e533d9872ef34ebd65524efafbe87c7fffe401f9fa307c578", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustlang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `up` should have an upper camel case name
[INFO] [stdout]  --> src/if_let.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     up,
[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/if_let.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     down,
[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/if_let.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     left,
[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/if_let.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     right
[INFO] [stdout]   |     ^^^^^ help: convert the identifier to upper camel case: `Right`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `input` is never read
[INFO] [stdout]   --> src/if_let.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |     let mut input = String::from("");
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.59s
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c2191dbba191b22e533d9872ef34ebd65524efafbe87c7fffe401f9fa307c578", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2191dbba191b22e533d9872ef34ebd65524efafbe87c7fffe401f9fa307c578", kill_on_drop: false }`
[INFO] [stdout] c2191dbba191b22e533d9872ef34ebd65524efafbe87c7fffe401f9fa307c578
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7f29ab8a01d1f8cbdaf7ccc9d3287cb95b953afdfdf711d2cbe9922aed5f8b5f
[INFO] running `Command { std: "docker" "start" "-a" "7f29ab8a01d1f8cbdaf7ccc9d3287cb95b953afdfdf711d2cbe9922aed5f8b5f", kill_on_drop: false }`
[INFO] [stderr] warning: variant `up` should have an upper camel case name
[INFO] [stderr]  --> src/if_let.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     up,
[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/if_let.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     down,
[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/if_let.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     left,
[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/if_let.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     right
[INFO] [stderr]   |     ^^^^^ help: convert the identifier to upper camel case: `Right`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `input` is never read
[INFO] [stderr]   --> src/if_let.rs:45:13
[INFO] [stderr]    |
[INFO] [stderr] 45 |     let mut input = String::from("");
[INFO] [stderr]    |             ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: `rustlang` (bin "rustlang" test) generated 5 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rustlang-1fef037e671cc909)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7f29ab8a01d1f8cbdaf7ccc9d3287cb95b953afdfdf711d2cbe9922aed5f8b5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f29ab8a01d1f8cbdaf7ccc9d3287cb95b953afdfdf711d2cbe9922aed5f8b5f", kill_on_drop: false }`
[INFO] [stdout] 7f29ab8a01d1f8cbdaf7ccc9d3287cb95b953afdfdf711d2cbe9922aed5f8b5f