[INFO] fetching crate fl 0.0.1...
[INFO] testing fl-0.0.1 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate fl 0.0.1 into /workspace/builds/worker-30/source
[INFO] validating manifest of crates.io crate fl 0.0.1 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fl 0.0.1
[INFO] finished tweaking crates.io crate fl 0.0.1
[INFO] tweaked toml for crates.io crate fl 0.0.1 written to /workspace/builds/worker-30/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 47c9d6b3d109fbbda6d8caf0c7100002b91b13b19ae37a60fa4fe46bec875e59
[INFO] running `Command { std: "docker" "start" "-a" "47c9d6b3d109fbbda6d8caf0c7100002b91b13b19ae37a60fa4fe46bec875e59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47c9d6b3d109fbbda6d8caf0c7100002b91b13b19ae37a60fa4fe46bec875e59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47c9d6b3d109fbbda6d8caf0c7100002b91b13b19ae37a60fa4fe46bec875e59", kill_on_drop: false }`
[INFO] [stdout] 47c9d6b3d109fbbda6d8caf0c7100002b91b13b19ae37a60fa4fe46bec875e59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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=warn" "-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" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 54a43a66d465836b8cce686512c088f410c6c080046dc8035c9e661013ae56f5
[INFO] running `Command { std: "docker" "start" "-a" "54a43a66d465836b8cce686512c088f410c6c080046dc8035c9e661013ae56f5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling fl v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::output::OutputOpts`
[INFO] [stdout]  --> src/font.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::output::OutputOpts;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp::min`
[INFO] [stdout]  --> src/font.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::cmp::min;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/font.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `font::Font`
[INFO] [stdout]  --> src/lib.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use font::Font;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp::max`
[INFO] [stdout]  --> src/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::cmp::max;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `txt1`
[INFO] [stdout]    --> src/font.rs:160:34
[INFO] [stdout]     |
[INFO] [stdout] 160 |     fn can_vertical_smush(&self, txt1: &str, txt2: &str) -> SmushStatus {
[INFO] [stdout]     |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_txt1`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `txt2`
[INFO] [stdout]    --> src/font.rs:160:46
[INFO] [stdout]     |
[INFO] [stdout] 160 |     fn can_vertical_smush(&self, txt1: &str, txt2: &str) -> SmushStatus {
[INFO] [stdout]     |                                              ^^^^ help: if this is intentional, prefix it with an underscore: `_txt2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hrules`
[INFO] [stdout]    --> src/font.rs:274:17
[INFO] [stdout]     |
[INFO] [stdout] 274 |         let mut hrules = [false; 6];
[INFO] [stdout]     |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_hrules`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vrules`
[INFO] [stdout]    --> src/font.rs:275:17
[INFO] [stdout]     |
[INFO] [stdout] 275 |         let mut vrules = [false; 5];
[INFO] [stdout]     |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_vrules`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/font.rs:272:13
[INFO] [stdout]     |
[INFO] [stdout] 272 |         let mut hlayout: Layout;
[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/font.rs:273:13
[INFO] [stdout]     |
[INFO] [stdout] 273 |         let mut vlayout: Layout;
[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/font.rs:274:13
[INFO] [stdout]     |
[INFO] [stdout] 274 |         let mut hrules = [false; 6];
[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/font.rs:275:13
[INFO] [stdout]     |
[INFO] [stdout] 275 |         let mut vrules = [false; 5];
[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/font.rs:276:13
[INFO] [stdout]     |
[INFO] [stdout] 276 |         let mut flags: RuleFlags;
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `SmushStatus`
[INFO] [stdout]   --> src/font.rs:15:6
[INFO] [stdout]    |
[INFO] [stdout] 15 | enum SmushStatus {
[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: `can_vertical_smush`
[INFO] [stdout]    --> src/font.rs:160:8
[INFO] [stdout]     |
[INFO] [stdout] 160 |     fn can_vertical_smush(&self, txt1: &str, txt2: &str) -> SmushStatus {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `fittingRules` should have a snake case name
[INFO] [stdout]  --> src/output.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub fittingRules: FittingRules,
[INFO] [stdout]   |         ^^^^^^^^^^^^ help: convert the identifier to snake case: `fitting_rules`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `hardBlank` should have a snake case name
[INFO] [stdout]   --> src/smush.rs:11:39
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn hrule1_smush(ch1: u8, ch2: u8, hardBlank: u8) -> Option<u8> {
[INFO] [stdout]    |                                       ^^^^^^^^^ help: convert the identifier to snake case: `hard_blank`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.17s
[INFO] running `Command { std: "docker" "inspect" "54a43a66d465836b8cce686512c088f410c6c080046dc8035c9e661013ae56f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54a43a66d465836b8cce686512c088f410c6c080046dc8035c9e661013ae56f5", kill_on_drop: false }`
[INFO] [stdout] 54a43a66d465836b8cce686512c088f410c6c080046dc8035c9e661013ae56f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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=warn" "-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" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a58ca6e0541c172d6ad86b8acf9423291e1e62d3b31512a1a6a970ed15f35579
[INFO] running `Command { std: "docker" "start" "-a" "a58ca6e0541c172d6ad86b8acf9423291e1e62d3b31512a1a6a970ed15f35579", kill_on_drop: false }`
[INFO] [stderr]    Compiling fl v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::output::OutputOpts`
[INFO] [stdout]  --> src/font.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::output::OutputOpts;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp::min`
[INFO] [stdout]  --> src/font.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::cmp::min;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/font.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `font::Font`
[INFO] [stdout]  --> src/lib.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use font::Font;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp::max`
[INFO] [stdout]  --> src/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::cmp::max;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `txt1`
[INFO] [stdout]    --> src/font.rs:160:34
[INFO] [stdout]     |
[INFO] [stdout] 160 |     fn can_vertical_smush(&self, txt1: &str, txt2: &str) -> SmushStatus {
[INFO] [stdout]     |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_txt1`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `txt2`
[INFO] [stdout]    --> src/font.rs:160:46
[INFO] [stdout]     |
[INFO] [stdout] 160 |     fn can_vertical_smush(&self, txt1: &str, txt2: &str) -> SmushStatus {
[INFO] [stdout]     |                                              ^^^^ help: if this is intentional, prefix it with an underscore: `_txt2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hrules`
[INFO] [stdout]    --> src/font.rs:274:17
[INFO] [stdout]     |
[INFO] [stdout] 274 |         let mut hrules = [false; 6];
[INFO] [stdout]     |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_hrules`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vrules`
[INFO] [stdout]    --> src/font.rs:275:17
[INFO] [stdout]     |
[INFO] [stdout] 275 |         let mut vrules = [false; 5];
[INFO] [stdout]     |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_vrules`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/font.rs:272:13
[INFO] [stdout]     |
[INFO] [stdout] 272 |         let mut hlayout: Layout;
[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/font.rs:273:13
[INFO] [stdout]     |
[INFO] [stdout] 273 |         let mut vlayout: Layout;
[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/font.rs:274:13
[INFO] [stdout]     |
[INFO] [stdout] 274 |         let mut hrules = [false; 6];
[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/font.rs:275:13
[INFO] [stdout]     |
[INFO] [stdout] 275 |         let mut vrules = [false; 5];
[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/font.rs:276:13
[INFO] [stdout]     |
[INFO] [stdout] 276 |         let mut flags: RuleFlags;
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `SmushStatus`
[INFO] [stdout]   --> src/font.rs:15:6
[INFO] [stdout]    |
[INFO] [stdout] 15 | enum SmushStatus {
[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: `can_vertical_smush`
[INFO] [stdout]    --> src/font.rs:160:8
[INFO] [stdout]     |
[INFO] [stdout] 160 |     fn can_vertical_smush(&self, txt1: &str, txt2: &str) -> SmushStatus {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `fittingRules` should have a snake case name
[INFO] [stdout]  --> src/output.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub fittingRules: FittingRules,
[INFO] [stdout]   |         ^^^^^^^^^^^^ help: convert the identifier to snake case: `fitting_rules`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `hardBlank` should have a snake case name
[INFO] [stdout]   --> src/smush.rs:11:39
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn hrule1_smush(ch1: u8, ch2: u8, hardBlank: u8) -> Option<u8> {
[INFO] [stdout]    |                                       ^^^^^^^^^ help: convert the identifier to snake case: `hard_blank`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::output::OutputOpts`
[INFO] [stdout]  --> src/font.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::output::OutputOpts;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp::min`
[INFO] [stdout]  --> src/font.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::cmp::min;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/font.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `font::Font`
[INFO] [stdout]  --> src/lib.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use font::Font;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp::max`
[INFO] [stdout]  --> src/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::cmp::max;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `txt1`
[INFO] [stdout]    --> src/font.rs:160:34
[INFO] [stdout]     |
[INFO] [stdout] 160 |     fn can_vertical_smush(&self, txt1: &str, txt2: &str) -> SmushStatus {
[INFO] [stdout]     |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_txt1`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `txt2`
[INFO] [stdout]    --> src/font.rs:160:46
[INFO] [stdout]     |
[INFO] [stdout] 160 |     fn can_vertical_smush(&self, txt1: &str, txt2: &str) -> SmushStatus {
[INFO] [stdout]     |                                              ^^^^ help: if this is intentional, prefix it with an underscore: `_txt2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hrules`
[INFO] [stdout]    --> src/font.rs:274:17
[INFO] [stdout]     |
[INFO] [stdout] 274 |         let mut hrules = [false; 6];
[INFO] [stdout]     |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_hrules`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vrules`
[INFO] [stdout]    --> src/font.rs:275:17
[INFO] [stdout]     |
[INFO] [stdout] 275 |         let mut vrules = [false; 5];
[INFO] [stdout]     |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_vrules`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/font.rs:272:13
[INFO] [stdout]     |
[INFO] [stdout] 272 |         let mut hlayout: Layout;
[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/font.rs:273:13
[INFO] [stdout]     |
[INFO] [stdout] 273 |         let mut vlayout: Layout;
[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/font.rs:274:13
[INFO] [stdout]     |
[INFO] [stdout] 274 |         let mut hrules = [false; 6];
[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/font.rs:275:13
[INFO] [stdout]     |
[INFO] [stdout] 275 |         let mut vrules = [false; 5];
[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/font.rs:276:13
[INFO] [stdout]     |
[INFO] [stdout] 276 |         let mut flags: RuleFlags;
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `SmushStatus`
[INFO] [stdout]   --> src/font.rs:15:6
[INFO] [stdout]    |
[INFO] [stdout] 15 | enum SmushStatus {
[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: `can_vertical_smush`
[INFO] [stdout]    --> src/font.rs:160:8
[INFO] [stdout]     |
[INFO] [stdout] 160 |     fn can_vertical_smush(&self, txt1: &str, txt2: &str) -> SmushStatus {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `fittingRules` should have a snake case name
[INFO] [stdout]  --> src/output.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub fittingRules: FittingRules,
[INFO] [stdout]   |         ^^^^^^^^^^^^ help: convert the identifier to snake case: `fitting_rules`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `hardBlank` should have a snake case name
[INFO] [stdout]   --> src/smush.rs:11:39
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn hrule1_smush(ch1: u8, ch2: u8, hardBlank: u8) -> Option<u8> {
[INFO] [stdout]    |                                       ^^^^^^^^^ help: convert the identifier to snake case: `hard_blank`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `Command { std: "docker" "inspect" "a58ca6e0541c172d6ad86b8acf9423291e1e62d3b31512a1a6a970ed15f35579", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a58ca6e0541c172d6ad86b8acf9423291e1e62d3b31512a1a6a970ed15f35579", kill_on_drop: false }`
[INFO] [stdout] a58ca6e0541c172d6ad86b8acf9423291e1e62d3b31512a1a6a970ed15f35579
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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=warn" "-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" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ed01679bf3ef941c4e951cb97f2c4184dd983ad4320c3eeb08cf0e63e808464b
[INFO] running `Command { std: "docker" "start" "-a" "ed01679bf3ef941c4e951cb97f2c4184dd983ad4320c3eeb08cf0e63e808464b", kill_on_drop: false }`
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::output::OutputOpts`
[INFO] [stderr]  --> src/font.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::output::OutputOpts;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cmp::min`
[INFO] [stderr]  --> src/font.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::cmp::min;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/font.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `font::Font`
[INFO] [stderr]  --> src/lib.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use font::Font;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cmp::max`
[INFO] [stderr]  --> src/lib.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::cmp::max;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `txt1`
[INFO] [stderr]    --> src/font.rs:160:34
[INFO] [stderr]     |
[INFO] [stderr] 160 |     fn can_vertical_smush(&self, txt1: &str, txt2: &str) -> SmushStatus {
[INFO] [stderr]     |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_txt1`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `txt2`
[INFO] [stderr]    --> src/font.rs:160:46
[INFO] [stderr]     |
[INFO] [stderr] 160 |     fn can_vertical_smush(&self, txt1: &str, txt2: &str) -> SmushStatus {
[INFO] [stderr]     |                                              ^^^^ help: if this is intentional, prefix it with an underscore: `_txt2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `hrules`
[INFO] [stderr]    --> src/font.rs:274:17
[INFO] [stderr]     |
[INFO] [stderr] 274 |         let mut hrules = [false; 6];
[INFO] [stderr]     |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_hrules`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `vrules`
[INFO] [stderr]    --> src/font.rs:275:17
[INFO] [stderr]     |
[INFO] [stderr] 275 |         let mut vrules = [false; 5];
[INFO] [stderr]     |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_vrules`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/font.rs:272:13
[INFO] [stderr]     |
[INFO] [stderr] 272 |         let mut hlayout: Layout;
[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/font.rs:273:13
[INFO] [stderr]     |
[INFO] [stderr] 273 |         let mut vlayout: Layout;
[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/font.rs:274:13
[INFO] [stderr]     |
[INFO] [stderr] 274 |         let mut hrules = [false; 6];
[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/font.rs:275:13
[INFO] [stderr]     |
[INFO] [stderr] 275 |         let mut vrules = [false; 5];
[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/font.rs:276:13
[INFO] [stderr]     |
[INFO] [stderr] 276 |         let mut flags: RuleFlags;
[INFO] [stderr]     |             ----^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `SmushStatus`
[INFO] [stderr]   --> src/font.rs:15:6
[INFO] [stderr]    |
[INFO] [stderr] 15 | enum SmushStatus {
[INFO] [stderr]    |      ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `can_vertical_smush`
[INFO] [stderr]    --> src/font.rs:160:8
[INFO] [stderr]     |
[INFO] [stderr] 160 |     fn can_vertical_smush(&self, txt1: &str, txt2: &str) -> SmushStatus {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `fittingRules` should have a snake case name
[INFO] [stderr]  --> src/output.rs:8:9
[INFO] [stderr]   |
[INFO] [stderr] 8 |     pub fittingRules: FittingRules,
[INFO] [stderr]   |         ^^^^^^^^^^^^ help: convert the identifier to snake case: `fitting_rules`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `hardBlank` should have a snake case name
[INFO] [stderr]   --> src/smush.rs:11:39
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub fn hrule1_smush(ch1: u8, ch2: u8, hardBlank: u8) -> Option<u8> {
[INFO] [stderr]    |                                       ^^^^^^^^^ help: convert the identifier to snake case: `hard_blank`
[INFO] [stderr] 
[INFO] [stderr] warning: `fl` (lib) generated 19 warnings
[INFO] [stderr] warning: `fl` (lib test) generated 19 warnings (19 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fl-649e2c4306e0a58a)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test smush::tests::test_hrule5_smush ... ok
[INFO] [stderr]    Doc-tests fl
[INFO] [stdout] test smush::tests::test_hrule3_smush ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[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" "ed01679bf3ef941c4e951cb97f2c4184dd983ad4320c3eeb08cf0e63e808464b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed01679bf3ef941c4e951cb97f2c4184dd983ad4320c3eeb08cf0e63e808464b", kill_on_drop: false }`
[INFO] [stdout] ed01679bf3ef941c4e951cb97f2c4184dd983ad4320c3eeb08cf0e63e808464b
