[INFO] updating cached repository https://github.com/akgvn/graderr
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d22e6b425b3fc995de241fdb8c32d0592d69aa1c
[INFO] testing akgvn/graderr against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakgvn%2Fgraderr" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/akgvn/graderr on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/akgvn/graderr
[INFO] finished tweaking git repo https://github.com/akgvn/graderr
[INFO] tweaked toml for git repo https://github.com/akgvn/graderr written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/akgvn/graderr already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e646de478152d21acf51d6715df202f4d66c385a70686d4c0bf8bd34a8fe1aa6
[INFO] running `"docker" "start" "-a" "e646de478152d21acf51d6715df202f4d66c385a70686d4c0bf8bd34a8fe1aa6"`
[INFO] [stderr]    Compiling grades v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/main.rs:100:5
[INFO] [stderr]     |
[INFO] [stderr] 99  |     todo!();
[INFO] [stderr]     |     -------- any code following this expression is unreachable
[INFO] [stderr] 100 |     (ac, ag)
[INFO] [stderr]     |     ^^^^^^^^ unreachable expression
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ac`
[INFO] [stderr]   --> src/main.rs:93:9
[INFO] [stderr]    |
[INFO] [stderr] 93 |     let ac: u32; // additional credits can be 3 or 4
[INFO] [stderr]    |         ^^ help: if this is intentional, prefix it with an underscore: `_ac`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ag`
[INFO] [stderr]   --> src/main.rs:94:9
[INFO] [stderr]    |
[INFO] [stderr] 94 |     let ag: f32; // additional grades can be [0, 0.5, 1, ..., 3, 3.5, 4] (from FF to AA)
[INFO] [stderr]    |         ^^ help: if this is intentional, prefix it with an underscore: `_ag`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `left_hand_side`
[INFO] [stderr]   --> src/main.rs:96:9
[INFO] [stderr]    |
[INFO] [stderr] 96 |     let left_hand_side = gpa * tot_creds as f32;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_left_hand_side`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `right_hand_constant`
[INFO] [stderr]   --> src/main.rs:97:9
[INFO] [stderr]    |
[INFO] [stderr] 97 |     let right_hand_constant = goal * tot_creds as f32;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_right_hand_constant`
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.66s
[INFO] running `"docker" "inspect" "e646de478152d21acf51d6715df202f4d66c385a70686d4c0bf8bd34a8fe1aa6"`
[INFO] running `"docker" "rm" "-f" "e646de478152d21acf51d6715df202f4d66c385a70686d4c0bf8bd34a8fe1aa6"`
[INFO] [stdout] e646de478152d21acf51d6715df202f4d66c385a70686d4c0bf8bd34a8fe1aa6
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0d2b3f63623c4c789056de0569bc8d5c418637e366761b4b8962173e97c56701
[INFO] running `"docker" "start" "-a" "0d2b3f63623c4c789056de0569bc8d5c418637e366761b4b8962173e97c56701"`
[INFO] [stderr]    Compiling grades v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/main.rs:100:5
[INFO] [stderr]     |
[INFO] [stderr] 99  |     todo!();
[INFO] [stderr]     |     -------- any code following this expression is unreachable
[INFO] [stderr] 100 |     (ac, ag)
[INFO] [stderr]     |     ^^^^^^^^ unreachable expression
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ac`
[INFO] [stderr]   --> src/main.rs:93:9
[INFO] [stderr]    |
[INFO] [stderr] 93 |     let ac: u32; // additional credits can be 3 or 4
[INFO] [stderr]    |         ^^ help: if this is intentional, prefix it with an underscore: `_ac`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ag`
[INFO] [stderr]   --> src/main.rs:94:9
[INFO] [stderr]    |
[INFO] [stderr] 94 |     let ag: f32; // additional grades can be [0, 0.5, 1, ..., 3, 3.5, 4] (from FF to AA)
[INFO] [stderr]    |         ^^ help: if this is intentional, prefix it with an underscore: `_ag`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `left_hand_side`
[INFO] [stderr]   --> src/main.rs:96:9
[INFO] [stderr]    |
[INFO] [stderr] 96 |     let left_hand_side = gpa * tot_creds as f32;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_left_hand_side`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `right_hand_constant`
[INFO] [stderr]   --> src/main.rs:97:9
[INFO] [stderr]    |
[INFO] [stderr] 97 |     let right_hand_constant = goal * tot_creds as f32;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_right_hand_constant`
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `"docker" "inspect" "0d2b3f63623c4c789056de0569bc8d5c418637e366761b4b8962173e97c56701"`
[INFO] running `"docker" "rm" "-f" "0d2b3f63623c4c789056de0569bc8d5c418637e366761b4b8962173e97c56701"`
[INFO] [stdout] 0d2b3f63623c4c789056de0569bc8d5c418637e366761b4b8962173e97c56701
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2f8f1faabc3d9f3643c7ede0bc41649c270d3dcc407b3d1e7f2193f1f89f2702
[INFO] running `"docker" "start" "-a" "2f8f1faabc3d9f3643c7ede0bc41649c270d3dcc407b3d1e7f2193f1f89f2702"`
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/main.rs:100:5
[INFO] [stderr]     |
[INFO] [stderr] 99  |     todo!();
[INFO] [stderr]     |     -------- any code following this expression is unreachable
[INFO] [stderr] 100 |     (ac, ag)
[INFO] [stderr]     |     ^^^^^^^^ unreachable expression
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ac`
[INFO] [stderr]   --> src/main.rs:93:9
[INFO] [stderr]    |
[INFO] [stderr] 93 |     let ac: u32; // additional credits can be 3 or 4
[INFO] [stderr]    |         ^^ help: if this is intentional, prefix it with an underscore: `_ac`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ag`
[INFO] [stderr]   --> src/main.rs:94:9
[INFO] [stderr]    |
[INFO] [stderr] 94 |     let ag: f32; // additional grades can be [0, 0.5, 1, ..., 3, 3.5, 4] (from FF to AA)
[INFO] [stderr]    |         ^^ help: if this is intentional, prefix it with an underscore: `_ag`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `left_hand_side`
[INFO] [stderr]   --> src/main.rs:96:9
[INFO] [stderr]    |
[INFO] [stderr] 96 |     let left_hand_side = gpa * tot_creds as f32;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_left_hand_side`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `right_hand_constant`
[INFO] [stderr]   --> src/main.rs:97:9
[INFO] [stderr]    |
[INFO] [stderr] 97 |     let right_hand_constant = goal * tot_creds as f32;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_right_hand_constant`
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/grades-4ecf60ff1742c0d6
[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 `"docker" "inspect" "2f8f1faabc3d9f3643c7ede0bc41649c270d3dcc407b3d1e7f2193f1f89f2702"`
[INFO] running `"docker" "rm" "-f" "2f8f1faabc3d9f3643c7ede0bc41649c270d3dcc407b3d1e7f2193f1f89f2702"`
[INFO] [stdout] 2f8f1faabc3d9f3643c7ede0bc41649c270d3dcc407b3d1e7f2193f1f89f2702