[INFO] cloning repository https://github.com/DarioBiscevic/cli-spreadsheet
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DarioBiscevic/cli-spreadsheet" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDarioBiscevic%2Fcli-spreadsheet", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDarioBiscevic%2Fcli-spreadsheet'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 695de158d3112f6b12e14d5e73e06838eb360fc3
[INFO] checking DarioBiscevic/cli-spreadsheet against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDarioBiscevic%2Fcli-spreadsheet" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DarioBiscevic/cli-spreadsheet on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/DarioBiscevic/cli-spreadsheet
[INFO] finished tweaking git repo https://github.com/DarioBiscevic/cli-spreadsheet
[INFO] tweaked toml for git repo https://github.com/DarioBiscevic/cli-spreadsheet written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/DarioBiscevic/cli-spreadsheet already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "metadata" "--no-deps" "--format-version=1", 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] 66d1eebda63a581732a0af174e3ff3bab7a845bf3ad5ab0133b4367872f92a86
[INFO] running `Command { std: "docker" "start" "-a" "66d1eebda63a581732a0af174e3ff3bab7a845bf3ad5ab0133b4367872f92a86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66d1eebda63a581732a0af174e3ff3bab7a845bf3ad5ab0133b4367872f92a86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66d1eebda63a581732a0af174e3ff3bab7a845bf3ad5ab0133b4367872f92a86", kill_on_drop: false }`
[INFO] [stdout] 66d1eebda63a581732a0af174e3ff3bab7a845bf3ad5ab0133b4367872f92a86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a63d51201c89c44c263cd1b992b7921a3d56284bdcfb1785a0abc241759a9068
[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" "a63d51201c89c44c263cd1b992b7921a3d56284bdcfb1785a0abc241759a9068", kill_on_drop: false }`
[INFO] [stderr]     Checking cli-spreadsheet v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `filename`
[INFO] [stdout]  --> src/startup/mod.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn loader(filename: String) -> Spreadsheet{
[INFO] [stdout]   |               ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_filename`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `filename`
[INFO] [stdout]  --> src/startup/mod.rs:9:16
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn creator(filename: String) -> Spreadsheet{
[INFO] [stdout]   |                ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_filename`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x_coord`
[INFO] [stdout]   --> src/spreadsheet/mod.rs:40:17
[INFO] [stdout]    |
[INFO] [stdout] 40 |             let x_coord: usize = x_coord
[INFO] [stdout]    |                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_x_coord`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y_coord`
[INFO] [stdout]   --> src/spreadsheet/mod.rs:50:17
[INFO] [stdout]    |
[INFO] [stdout] 50 |             let y_coord: usize = y_coord.parse().unwrap();
[INFO] [stdout]    |                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_y_coord`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 |         let mut spreadsheet: spreadsheet::Spreadsheet;
[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: field is never read: `expression`
[INFO] [stdout]  --> src/spreadsheet/cell/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     expression: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/spreadsheet/cell/mod.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub fn new() -> Self{
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `cells`
[INFO] [stdout]  --> src/spreadsheet/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     cells: Vec< Vec<Cell> >,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `filename`
[INFO] [stdout]  --> src/startup/mod.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn loader(filename: String) -> Spreadsheet{
[INFO] [stdout]   |               ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_filename`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `filename`
[INFO] [stdout]  --> src/startup/mod.rs:9:16
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn creator(filename: String) -> Spreadsheet{
[INFO] [stdout]   |                ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_filename`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x_coord`
[INFO] [stdout]   --> src/spreadsheet/mod.rs:40:17
[INFO] [stdout]    |
[INFO] [stdout] 40 |             let x_coord: usize = x_coord
[INFO] [stdout]    |                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_x_coord`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y_coord`
[INFO] [stdout]   --> src/spreadsheet/mod.rs:50:17
[INFO] [stdout]    |
[INFO] [stdout] 50 |             let y_coord: usize = y_coord.parse().unwrap();
[INFO] [stdout]    |                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_y_coord`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 |         let mut spreadsheet: spreadsheet::Spreadsheet;
[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: field is never read: `expression`
[INFO] [stdout]  --> src/spreadsheet/cell/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     expression: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/spreadsheet/cell/mod.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub fn new() -> Self{
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `cells`
[INFO] [stdout]  --> src/spreadsheet/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     cells: Vec< Vec<Cell> >,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "a63d51201c89c44c263cd1b992b7921a3d56284bdcfb1785a0abc241759a9068", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a63d51201c89c44c263cd1b992b7921a3d56284bdcfb1785a0abc241759a9068", kill_on_drop: false }`
[INFO] [stdout] a63d51201c89c44c263cd1b992b7921a3d56284bdcfb1785a0abc241759a9068