[INFO] cloning repository https://github.com/mznibe49/Spreadsheet-in-RUST
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mznibe49/Spreadsheet-in-RUST" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmznibe49%2FSpreadsheet-in-RUST", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmznibe49%2FSpreadsheet-in-RUST'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 81264842d574be884a536ea3b967f3f41e2f6d07
[INFO] testing mznibe49/Spreadsheet-in-RUST against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmznibe49%2FSpreadsheet-in-RUST" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mznibe49/Spreadsheet-in-RUST on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mznibe49/Spreadsheet-in-RUST
[INFO] finished tweaking git repo https://github.com/mznibe49/Spreadsheet-in-RUST
[INFO] tweaked toml for git repo https://github.com/mznibe49/Spreadsheet-in-RUST written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/mznibe49/Spreadsheet-in-RUST already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5686c159c0b8b096f782aab7f771e4c0f43a1f0a13c37c8a6bce1e3180c8936b
[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" "5686c159c0b8b096f782aab7f771e4c0f43a1f0a13c37c8a6bce1e3180c8936b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5686c159c0b8b096f782aab7f771e4c0f43a1f0a13c37c8a6bce1e3180c8936b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5686c159c0b8b096f782aab7f771e4c0f43a1f0a13c37c8a6bce1e3180c8936b", kill_on_drop: false }`
[INFO] [stdout] 5686c159c0b8b096f782aab7f771e4c0f43a1f0a13c37c8a6bce1e3180c8936b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a209253508e3d9a0eba9b13d179db9646e557f215f1c5ec5ac30d950b29fe6c
[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" "8a209253508e3d9a0eba9b13d179db9646e557f215f1c5ec5ac30d950b29fe6c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling serde v1.0.105
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.105
[INFO] [stderr]    Compiling petgraph v0.5.0
[INFO] [stderr]    Compiling defi2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `cycle`
[INFO] [stdout]    --> src/spreadsheet.rs:398:25
[INFO] [stdout]     |
[INFO] [stdout] 398 |             if let Some(cycle) = cell_to_update {
[INFO] [stdout]     |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_cycle`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/spreadsheet.rs:204:23
[INFO] [stdout]     |
[INFO] [stdout] 204 |             for (crd, mut cell) in self.evals.clone().iter() {
[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: variable does not need to be mutable
[INFO] [stdout]    --> src/spreadsheet.rs:239:21
[INFO] [stdout]     |
[INFO] [stdout] 239 |                 let mut child_cell = self.graph[child];
[INFO] [stdout]     |                     ----^^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/spreadsheet.rs:396:17
[INFO] [stdout]     |
[INFO] [stdout] 396 |             let mut cell_to_update = self.check_cycle(&mut cloned_graph);
[INFO] [stdout]     |                 ----^^^^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]   --> src/rectangle.rs:34:10
[INFO] [stdout]    |
[INFO] [stdout] 34 |         (self.begin.row >= 0 && self.begin.col >= 0)
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]   --> src/rectangle.rs:34:33
[INFO] [stdout]    |
[INFO] [stdout] 34 |         (self.begin.row >= 0 && self.begin.col >= 0)
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.31s
[INFO] running `Command { std: "docker" "inspect" "8a209253508e3d9a0eba9b13d179db9646e557f215f1c5ec5ac30d950b29fe6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a209253508e3d9a0eba9b13d179db9646e557f215f1c5ec5ac30d950b29fe6c", kill_on_drop: false }`
[INFO] [stdout] 8a209253508e3d9a0eba9b13d179db9646e557f215f1c5ec5ac30d950b29fe6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3eaf9df453a25f2cdc5763a998a6f08ce630e15a567016d035221c14efd707b5
[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" "3eaf9df453a25f2cdc5763a998a6f08ce630e15a567016d035221c14efd707b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling defi2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `cycle`
[INFO] [stdout]    --> src/spreadsheet.rs:398:25
[INFO] [stdout]     |
[INFO] [stdout] 398 |             if let Some(cycle) = cell_to_update {
[INFO] [stdout]     |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_cycle`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/spreadsheet.rs:204:23
[INFO] [stdout]     |
[INFO] [stdout] 204 |             for (crd, mut cell) in self.evals.clone().iter() {
[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: variable does not need to be mutable
[INFO] [stdout]    --> src/spreadsheet.rs:239:21
[INFO] [stdout]     |
[INFO] [stdout] 239 |                 let mut child_cell = self.graph[child];
[INFO] [stdout]     |                     ----^^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/spreadsheet.rs:396:17
[INFO] [stdout]     |
[INFO] [stdout] 396 |             let mut cell_to_update = self.check_cycle(&mut cloned_graph);
[INFO] [stdout]     |                 ----^^^^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]   --> src/rectangle.rs:34:10
[INFO] [stdout]    |
[INFO] [stdout] 34 |         (self.begin.row >= 0 && self.begin.col >= 0)
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]   --> src/rectangle.rs:34:33
[INFO] [stdout]    |
[INFO] [stdout] 34 |         (self.begin.row >= 0 && self.begin.col >= 0)
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.04s
[INFO] running `Command { std: "docker" "inspect" "3eaf9df453a25f2cdc5763a998a6f08ce630e15a567016d035221c14efd707b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3eaf9df453a25f2cdc5763a998a6f08ce630e15a567016d035221c14efd707b5", kill_on_drop: false }`
[INFO] [stdout] 3eaf9df453a25f2cdc5763a998a6f08ce630e15a567016d035221c14efd707b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen", 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] 254f584d77aa4d19a837745fee36141672da0cc87640f50c549bda632407762c
[INFO] running `Command { std: "docker" "start" "-a" "254f584d77aa4d19a837745fee36141672da0cc87640f50c549bda632407762c", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `cycle`
[INFO] [stderr]    --> src/spreadsheet.rs:398:25
[INFO] [stderr]     |
[INFO] [stderr] 398 |             if let Some(cycle) = cell_to_update {
[INFO] [stderr]     |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_cycle`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/spreadsheet.rs:204:23
[INFO] [stderr]     |
[INFO] [stderr] 204 |             for (crd, mut cell) in self.evals.clone().iter() {
[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: variable does not need to be mutable
[INFO] [stderr]    --> src/spreadsheet.rs:239:21
[INFO] [stderr]     |
[INFO] [stderr] 239 |                 let mut child_cell = self.graph[child];
[INFO] [stderr]     |                     ----^^^^^^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/spreadsheet.rs:396:17
[INFO] [stderr]     |
[INFO] [stderr] 396 |             let mut cell_to_update = self.check_cycle(&mut cloned_graph);
[INFO] [stderr]     |                 ----^^^^^^^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: comparison is useless due to type limits
[INFO] [stderr]   --> src/rectangle.rs:34:10
[INFO] [stderr]    |
[INFO] [stderr] 34 |         (self.begin.row >= 0 && self.begin.col >= 0)
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: comparison is useless due to type limits
[INFO] [stderr]   --> src/rectangle.rs:34:33
[INFO] [stderr]    |
[INFO] [stderr] 34 |         (self.begin.row >= 0 && self.begin.col >= 0)
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/defi2-cdf59be16b4285ba
[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 `Command { std: "docker" "inspect" "254f584d77aa4d19a837745fee36141672da0cc87640f50c549bda632407762c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "254f584d77aa4d19a837745fee36141672da0cc87640f50c549bda632407762c", kill_on_drop: false }`
[INFO] [stdout] 254f584d77aa4d19a837745fee36141672da0cc87640f50c549bda632407762c