[INFO] cloning repository https://github.com/Suranjan77/prog-solutions
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Suranjan77/prog-solutions" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSuranjan77%2Fprog-solutions", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSuranjan77%2Fprog-solutions'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 917f5e3c9253da3507e87b282f93fbbda6ad341d
[INFO] testing Suranjan77/prog-solutions against try#16fbf98f22730e073c09e7b03f0eafb87a295545 for pr-145628
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSuranjan77%2Fprog-solutions" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Suranjan77/prog-solutions
[INFO] finished tweaking git repo https://github.com/Suranjan77/prog-solutions
[INFO] tweaked toml for git repo https://github.com/Suranjan77/prog-solutions written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Suranjan77/prog-solutions on toolchain 16fbf98f22730e073c09e7b03f0eafb87a295545
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Suranjan77/prog-solutions already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dc5b6f651346aaa741cfb3b910254b03d1071aef4f0919f43dd3e49677bd5523
[INFO] running `Command { std: "docker" "start" "-a" "dc5b6f651346aaa741cfb3b910254b03d1071aef4f0919f43dd3e49677bd5523", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc5b6f651346aaa741cfb3b910254b03d1071aef4f0919f43dd3e49677bd5523", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc5b6f651346aaa741cfb3b910254b03d1071aef4f0919f43dd3e49677bd5523", kill_on_drop: false }`
[INFO] [stdout] dc5b6f651346aaa741cfb3b910254b03d1071aef4f0919f43dd3e49677bd5523
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8abe26922d7dbc0e73346c91ab0f85f31bf3f40d4ee391fe63770e03f1c89c11
[INFO] running `Command { std: "docker" "start" "-a" "8abe26922d7dbc0e73346c91ab0f85f31bf3f40d4ee391fe63770e03f1c89c11", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling num v0.4.3
[INFO] [stderr]    Compiling first v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `fib` is never used
[INFO] [stdout]  --> src/solution/fibonacci.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn fib(n: i32) -> Vec<i32> {
[INFO] [stdout]   |    ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_prime` is never used
[INFO] [stdout]  --> src/solution/is_prime.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn is_prime(num: i32) -> bool {
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_max` is never used
[INFO] [stdout]  --> src/solution/max_array.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn find_max(arr: &Vec<i32>) -> i32 {
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `reverse` is never used
[INFO] [stdout]  --> src/solution/reverse_str.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn reverse(s: &mut String) -> String {
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `to_celcius` is never used
[INFO] [stdout]  --> src/solution/temperature.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn to_celcius(t: f32) -> f32 {
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `to_fahrenheit` is never used
[INFO] [stdout]  --> src/solution/temperature.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn to_fahrenheit(t: f32) -> f32 {
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.24s
[INFO] running `Command { std: "docker" "inspect" "8abe26922d7dbc0e73346c91ab0f85f31bf3f40d4ee391fe63770e03f1c89c11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8abe26922d7dbc0e73346c91ab0f85f31bf3f40d4ee391fe63770e03f1c89c11", kill_on_drop: false }`
[INFO] [stdout] 8abe26922d7dbc0e73346c91ab0f85f31bf3f40d4ee391fe63770e03f1c89c11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d6e5e3600faa54fa43a92f1b059a1f1b065e4422b92d3465083e1d0274586298
[INFO] running `Command { std: "docker" "start" "-a" "d6e5e3600faa54fa43a92f1b059a1f1b065e4422b92d3465083e1d0274586298", kill_on_drop: false }`
[INFO] [stderr]    Compiling first v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "d6e5e3600faa54fa43a92f1b059a1f1b065e4422b92d3465083e1d0274586298", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6e5e3600faa54fa43a92f1b059a1f1b065e4422b92d3465083e1d0274586298", kill_on_drop: false }`
[INFO] [stdout] d6e5e3600faa54fa43a92f1b059a1f1b065e4422b92d3465083e1d0274586298
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f5d1cf49bb45eb0ec87089f68e6790b8a80cd11f6a5cd62e9f8c83ddd3c39dc8
[INFO] running `Command { std: "docker" "start" "-a" "f5d1cf49bb45eb0ec87089f68e6790b8a80cd11f6a5cd62e9f8c83ddd3c39dc8", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/first-de0d9d886ea9da8b)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test solution::fibonacci::tests::test_fib ... ok
[INFO] [stdout] test solution::is_prime::tests::test_non_prime ... ok
[INFO] [stdout] test solution::is_prime::tests::test_prime ... ok
[INFO] [stdout] test solution::reverse_str::tests::test_reverse ... ok
[INFO] [stdout] test solution::max_array::tests::test_max ... ok
[INFO] [stdout] test solution::temperature::tests::test_to_celcius ... ok
[INFO] [stdout] test solution::temperature::tests::test_to_fahrenheit ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f5d1cf49bb45eb0ec87089f68e6790b8a80cd11f6a5cd62e9f8c83ddd3c39dc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5d1cf49bb45eb0ec87089f68e6790b8a80cd11f6a5cd62e9f8c83ddd3c39dc8", kill_on_drop: false }`
[INFO] [stdout] f5d1cf49bb45eb0ec87089f68e6790b8a80cd11f6a5cd62e9f8c83ddd3c39dc8