[INFO] cloning repository https://github.com/austintheriot/rust-lab
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/austintheriot/rust-lab" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faustintheriot%2Frust-lab", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faustintheriot%2Frust-lab'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c179693ea789a98bb244d97deca970bb657bb8dd
[INFO] checking austintheriot/rust-lab against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faustintheriot%2Frust-lab" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/austintheriot/rust-lab on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/austintheriot/rust-lab
[INFO] finished tweaking git repo https://github.com/austintheriot/rust-lab
[INFO] tweaked toml for git repo https://github.com/austintheriot/rust-lab written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/austintheriot/rust-lab already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f6d32af98fd30af1e44a88580060a588e1b145d82a25d37b6a72449a0a6b3a78
[INFO] running `Command { std: "docker" "start" "-a" "f6d32af98fd30af1e44a88580060a588e1b145d82a25d37b6a72449a0a6b3a78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6d32af98fd30af1e44a88580060a588e1b145d82a25d37b6a72449a0a6b3a78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6d32af98fd30af1e44a88580060a588e1b145d82a25d37b6a72449a0a6b3a78", kill_on_drop: false }`
[INFO] [stdout] f6d32af98fd30af1e44a88580060a588e1b145d82a25d37b6a72449a0a6b3a78
[INFO] running `Command { std: "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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad58945c46d36e8a93663e52f22d94f806fe832a8ded8790fa1468a70fc745ca
[INFO] running `Command { std: "docker" "start" "-a" "ad58945c46d36e8a93663e52f22d94f806fe832a8ded8790fa1468a70fc745ca", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Checking rust-lab v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/practice.rs (22 fixes)
[INFO] [stdout] warning: value assigned to `y` is never read
[INFO] [stdout]     --> src/practice.rs:1259:13
[INFO] [stdout]      |
[INFO] [stdout] 1259 |     let mut y = 5;
[INFO] [stdout]      |             ^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `y` is never read
[INFO] [stdout]     --> src/practice.rs:1259:13
[INFO] [stdout]      |
[INFO] [stdout] 1259 |     let mut y = 5;
[INFO] [stdout]      |             ^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `practice_log12`
[INFO] [stdout]  --> src/practice.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn practice_log12() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `practice_log11`
[INFO] [stdout]    --> src/practice.rs:137:8
[INFO] [stdout]     |
[INFO] [stdout] 137 | pub fn practice_log11() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `practice_log10`
[INFO] [stdout]    --> src/practice.rs:206:8
[INFO] [stdout]     |
[INFO] [stdout] 206 | pub fn practice_log10() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `practice_log9`
[INFO] [stdout]    --> src/practice.rs:320:8
[INFO] [stdout]     |
[INFO] [stdout] 320 | pub fn practice_log9() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `practice_log8`
[INFO] [stdout]    --> src/practice.rs:350:8
[INFO] [stdout]     |
[INFO] [stdout] 350 | pub fn practice_log8() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `practice_log7`
[INFO] [stdout]    --> src/practice.rs:454:8
[INFO] [stdout]     |
[INFO] [stdout] 454 | pub fn practice_log7() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `practice_log6`
[INFO] [stdout]    --> src/practice.rs:530:8
[INFO] [stdout]     |
[INFO] [stdout] 530 | pub fn practice_log6() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `practice_log5`
[INFO] [stdout]    --> src/practice.rs:753:4
[INFO] [stdout]     |
[INFO] [stdout] 753 | fn practice_log5() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `practice_log4`
[INFO] [stdout]    --> src/practice.rs:863:4
[INFO] [stdout]     |
[INFO] [stdout] 863 | fn practice_log4() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `practice_log3`
[INFO] [stdout]    --> src/practice.rs:989:4
[INFO] [stdout]     |
[INFO] [stdout] 989 | fn practice_log3() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `practice_log2`
[INFO] [stdout]     --> src/practice.rs:1015:4
[INFO] [stdout]      |
[INFO] [stdout] 1015 | fn practice_log2() {
[INFO] [stdout]      |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `practice_log1`
[INFO] [stdout]     --> src/practice.rs:1249:4
[INFO] [stdout]      |
[INFO] [stdout] 1249 | fn practice_log1() {
[INFO] [stdout]      |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `practice_log12`
[INFO] [stdout]  --> src/practice.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn practice_log12() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `practice_log11`
[INFO] [stdout]    --> src/practice.rs:137:8
[INFO] [stdout]     |
[INFO] [stdout] 137 | pub fn practice_log11() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `practice_log10`
[INFO] [stdout]    --> src/practice.rs:206:8
[INFO] [stdout]     |
[INFO] [stdout] 206 | pub fn practice_log10() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `practice_log9`
[INFO] [stdout]    --> src/practice.rs:320:8
[INFO] [stdout]     |
[INFO] [stdout] 320 | pub fn practice_log9() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `practice_log8`
[INFO] [stdout]    --> src/practice.rs:350:8
[INFO] [stdout]     |
[INFO] [stdout] 350 | pub fn practice_log8() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `practice_log7`
[INFO] [stdout]    --> src/practice.rs:454:8
[INFO] [stdout]     |
[INFO] [stdout] 454 | pub fn practice_log7() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `practice_log6`
[INFO] [stdout]    --> src/practice.rs:530:8
[INFO] [stdout]     |
[INFO] [stdout] 530 | pub fn practice_log6() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `practice_log5`
[INFO] [stdout]    --> src/practice.rs:753:4
[INFO] [stdout]     |
[INFO] [stdout] 753 | fn practice_log5() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `practice_log4`
[INFO] [stdout]    --> src/practice.rs:863:4
[INFO] [stdout]     |
[INFO] [stdout] 863 | fn practice_log4() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `practice_log3`
[INFO] [stdout]    --> src/practice.rs:989:4
[INFO] [stdout]     |
[INFO] [stdout] 989 | fn practice_log3() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `practice_log2`
[INFO] [stdout]     --> src/practice.rs:1015:4
[INFO] [stdout]      |
[INFO] [stdout] 1015 | fn practice_log2() {
[INFO] [stdout]      |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `practice_log1`
[INFO] [stdout]     --> src/practice.rs:1249:4
[INFO] [stdout]      |
[INFO] [stdout] 1249 | fn practice_log1() {
[INFO] [stdout]      |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.41s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Checking rust-lab v0.1.0 (/tmp/fixit)
[INFO] [stdout] warning: value assigned to `y` is never read
[INFO] [stdout]     --> src/practice.rs:1259:13
[INFO] [stdout]      |
[INFO] [stdout] 1259 |     let mut y = 5;
[INFO] [stdout]      |             ^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `y` is never read
[INFO] [stdout]     --> src/practice.rs:1259:13
[INFO] [stdout]      |
[INFO] [stdout] 1259 |     let mut y = 5;
[INFO] [stdout]      |             ^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `practice_log12`
[INFO] [stdout]  --> src/practice.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn practice_log12() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `practice_log11`
[INFO] [stdout]    --> src/practice.rs:137:8
[INFO] [stdout]     |
[INFO] [stdout] 137 | pub fn practice_log11() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `practice_log10`
[INFO] [stdout]    --> src/practice.rs:206:8
[INFO] [stdout]     |
[INFO] [stdout] 206 | pub fn practice_log10() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `practice_log9`
[INFO] [stdout]    --> src/practice.rs:320:8
[INFO] [stdout]     |
[INFO] [stdout] 320 | pub fn practice_log9() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `practice_log8`
[INFO] [stdout]    --> src/practice.rs:350:8
[INFO] [stdout]     |
[INFO] [stdout] 350 | pub fn practice_log8() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `practice_log7`
[INFO] [stdout]    --> src/practice.rs:454:8
[INFO] [stdout]     |
[INFO] [stdout] 454 | pub fn practice_log7() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `practice_log6`
[INFO] [stdout]    --> src/practice.rs:530:8
[INFO] [stdout]     |
[INFO] [stdout] 530 | pub fn practice_log6() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `practice_log5`
[INFO] [stdout]    --> src/practice.rs:753:4
[INFO] [stdout]     |
[INFO] [stdout] 753 | fn practice_log5() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `practice_log4`
[INFO] [stdout]    --> src/practice.rs:863:4
[INFO] [stdout]     |
[INFO] [stdout] 863 | fn practice_log4() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `practice_log3`
[INFO] [stdout]    --> src/practice.rs:989:4
[INFO] [stdout]     |
[INFO] [stdout] 989 | fn practice_log3() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `practice_log2`
[INFO] [stdout]     --> src/practice.rs:1015:4
[INFO] [stdout]      |
[INFO] [stdout] 1015 | fn practice_log2() {
[INFO] [stdout]      |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `practice_log1`
[INFO] [stdout]     --> src/practice.rs:1249:4
[INFO] [stdout]      |
[INFO] [stdout] 1249 | fn practice_log1() {
[INFO] [stdout]      |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `practice_log12`
[INFO] [stdout]  --> src/practice.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn practice_log12() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `practice_log11`
[INFO] [stdout]    --> src/practice.rs:137:8
[INFO] [stdout]     |
[INFO] [stdout] 137 | pub fn practice_log11() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `practice_log10`
[INFO] [stdout]    --> src/practice.rs:206:8
[INFO] [stdout]     |
[INFO] [stdout] 206 | pub fn practice_log10() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `practice_log9`
[INFO] [stdout]    --> src/practice.rs:320:8
[INFO] [stdout]     |
[INFO] [stdout] 320 | pub fn practice_log9() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `practice_log8`
[INFO] [stdout]    --> src/practice.rs:350:8
[INFO] [stdout]     |
[INFO] [stdout] 350 | pub fn practice_log8() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `practice_log7`
[INFO] [stdout]    --> src/practice.rs:454:8
[INFO] [stdout]     |
[INFO] [stdout] 454 | pub fn practice_log7() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `practice_log6`
[INFO] [stdout]    --> src/practice.rs:530:8
[INFO] [stdout]     |
[INFO] [stdout] 530 | pub fn practice_log6() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `practice_log5`
[INFO] [stdout]    --> src/practice.rs:753:4
[INFO] [stdout]     |
[INFO] [stdout] 753 | fn practice_log5() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `practice_log4`
[INFO] [stdout]    --> src/practice.rs:863:4
[INFO] [stdout]     |
[INFO] [stdout] 863 | fn practice_log4() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `practice_log3`
[INFO] [stdout]    --> src/practice.rs:989:4
[INFO] [stdout]     |
[INFO] [stdout] 989 | fn practice_log3() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `practice_log2`
[INFO] [stdout]     --> src/practice.rs:1015:4
[INFO] [stdout]      |
[INFO] [stdout] 1015 | fn practice_log2() {
[INFO] [stdout]      |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `practice_log1`
[INFO] [stdout]     --> src/practice.rs:1249:4
[INFO] [stdout]      |
[INFO] [stdout] 1249 | fn practice_log1() {
[INFO] [stdout]      |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "ad58945c46d36e8a93663e52f22d94f806fe832a8ded8790fa1468a70fc745ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad58945c46d36e8a93663e52f22d94f806fe832a8ded8790fa1468a70fc745ca", kill_on_drop: false }`
[INFO] [stdout] ad58945c46d36e8a93663e52f22d94f806fe832a8ded8790fa1468a70fc745ca