[INFO] cloning repository https://github.com/matt-porter/synacor-challenge [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/matt-porter/synacor-challenge" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatt-porter%2Fsynacor-challenge", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatt-porter%2Fsynacor-challenge'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8806e74f13ee2433915153a09385a69fe58b1ed8 [INFO] testing matt-porter/synacor-challenge against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatt-porter%2Fsynacor-challenge" "/workspace/builds/worker-11/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/matt-porter/synacor-challenge on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/matt-porter/synacor-challenge [INFO] finished tweaking git repo https://github.com/matt-porter/synacor-challenge [INFO] tweaked toml for git repo https://github.com/matt-porter/synacor-challenge written to /workspace/builds/worker-11/source/Cargo.toml [INFO] crate git repo https://github.com/matt-porter/synacor-challenge already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "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] 56a2c3182837ea6a5aa0f55de2cde6d534ba574ab1e1bb1d4f41f9e5a00320a3 [INFO] running `Command { std: "docker" "start" "-a" "56a2c3182837ea6a5aa0f55de2cde6d534ba574ab1e1bb1d4f41f9e5a00320a3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "56a2c3182837ea6a5aa0f55de2cde6d534ba574ab1e1bb1d4f41f9e5a00320a3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "56a2c3182837ea6a5aa0f55de2cde6d534ba574ab1e1bb1d4f41f9e5a00320a3", kill_on_drop: false }` [INFO] [stdout] 56a2c3182837ea6a5aa0f55de2cde6d534ba574ab1e1bb1d4f41f9e5a00320a3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8c2a5b11c907c7424af46662837225799c15f205958d6fe98602d4b1f861aa6e [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" "8c2a5b11c907c7424af46662837225799c15f205958d6fe98602d4b1f861aa6e", kill_on_drop: false }` [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling humantime v1.3.0 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling regex v1.3.1 [INFO] [stderr] Compiling env_logger v0.7.0 [INFO] [stderr] Compiling synacor v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::io::prelude::*` [INFO] [stdout] --> src/main.rs:372:5 [INFO] [stdout] | [INFO] [stdout] 372 | use std::io::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/main.rs:330:9 [INFO] [stdout] | [INFO] [stdout] 329 | std::process::exit(0); [INFO] [stdout] | --------------------- any code following this expression is unreachable [INFO] [stdout] 330 | 0 [INFO] [stdout] | ^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `system` [INFO] [stdout] --> src/main.rs:97:14 [INFO] [stdout] | [INFO] [stdout] 97 | fn op_0_halt(system: &mut System) -> (){ [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_system` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `idx` [INFO] [stdout] --> src/main.rs:325:35 [INFO] [stdout] | [INFO] [stdout] 325 | fn op_18_ret(system: &mut System, idx: usize) -> usize { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_idx` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `stdin` [INFO] [stdout] --> src/main.rs:354:9 [INFO] [stdout] | [INFO] [stdout] 354 | let stdin = io::stdin().read_exact(&mut buffer); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_stdin` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `system` [INFO] [stdout] --> src/main.rs:362:15 [INFO] [stdout] | [INFO] [stdout] 362 | fn op_21_noop(system: &mut System, idx: usize) -> usize { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_system` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v5` [INFO] [stdout] --> src/main.rs:401:9 [INFO] [stdout] | [INFO] [stdout] 401 | let v5 = v3 + v4; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_v5` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:168:9 [INFO] [stdout] | [INFO] [stdout] 168 | let mut idx = idx + 1; [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/main.rs:321:9 [INFO] [stdout] | [INFO] [stdout] 321 | let mut idx = idx + 1; [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/main.rs:380:9 [INFO] [stdout] | [INFO] [stdout] 380 | let mut iter = buffer.chunks(2); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `Value` [INFO] [stdout] --> src/main.rs:366:6 [INFO] [stdout] | [INFO] [stdout] 366 | enum Value { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 11.45s [INFO] running `Command { std: "docker" "inspect" "8c2a5b11c907c7424af46662837225799c15f205958d6fe98602d4b1f861aa6e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8c2a5b11c907c7424af46662837225799c15f205958d6fe98602d4b1f861aa6e", kill_on_drop: false }` [INFO] [stdout] 8c2a5b11c907c7424af46662837225799c15f205958d6fe98602d4b1f861aa6e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", 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] 167767fe47bced1da3438da4be532fb1e8cbbfccd56b8c306c443e9aebb6b2cf [INFO] running `Command { std: "docker" "start" "-a" "167767fe47bced1da3438da4be532fb1e8cbbfccd56b8c306c443e9aebb6b2cf", kill_on_drop: false }` [INFO] [stderr] Compiling synacor v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::io::prelude::*` [INFO] [stdout] --> src/main.rs:372:5 [INFO] [stdout] | [INFO] [stdout] 372 | use std::io::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/main.rs:330:9 [INFO] [stdout] | [INFO] [stdout] 329 | std::process::exit(0); [INFO] [stdout] | --------------------- any code following this expression is unreachable [INFO] [stdout] 330 | 0 [INFO] [stdout] | ^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `system` [INFO] [stdout] --> src/main.rs:97:14 [INFO] [stdout] | [INFO] [stdout] 97 | fn op_0_halt(system: &mut System) -> (){ [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_system` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `idx` [INFO] [stdout] --> src/main.rs:325:35 [INFO] [stdout] | [INFO] [stdout] 325 | fn op_18_ret(system: &mut System, idx: usize) -> usize { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_idx` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `stdin` [INFO] [stdout] --> src/main.rs:354:9 [INFO] [stdout] | [INFO] [stdout] 354 | let stdin = io::stdin().read_exact(&mut buffer); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_stdin` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `system` [INFO] [stdout] --> src/main.rs:362:15 [INFO] [stdout] | [INFO] [stdout] 362 | fn op_21_noop(system: &mut System, idx: usize) -> usize { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_system` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v5` [INFO] [stdout] --> src/main.rs:401:9 [INFO] [stdout] | [INFO] [stdout] 401 | let v5 = v3 + v4; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_v5` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:168:9 [INFO] [stdout] | [INFO] [stdout] 168 | let mut idx = idx + 1; [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/main.rs:321:9 [INFO] [stdout] | [INFO] [stdout] 321 | let mut idx = idx + 1; [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/main.rs:380:9 [INFO] [stdout] | [INFO] [stdout] 380 | let mut iter = buffer.chunks(2); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `Value` [INFO] [stdout] --> src/main.rs:366:6 [INFO] [stdout] | [INFO] [stdout] 366 | enum Value { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.48s [INFO] running `Command { std: "docker" "inspect" "167767fe47bced1da3438da4be532fb1e8cbbfccd56b8c306c443e9aebb6b2cf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "167767fe47bced1da3438da4be532fb1e8cbbfccd56b8c306c443e9aebb6b2cf", kill_on_drop: false }` [INFO] [stdout] 167767fe47bced1da3438da4be532fb1e8cbbfccd56b8c306c443e9aebb6b2cf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "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] f34dbe7c83dd7d9825c100047c0531bbc6c98bc487addaa23de018f043105932 [INFO] running `Command { std: "docker" "start" "-a" "f34dbe7c83dd7d9825c100047c0531bbc6c98bc487addaa23de018f043105932", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `std::io::prelude::*` [INFO] [stderr] --> src/main.rs:372:5 [INFO] [stderr] | [INFO] [stderr] 372 | use std::io::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/main.rs:330:9 [INFO] [stderr] | [INFO] [stderr] 329 | std::process::exit(0); [INFO] [stderr] | --------------------- any code following this expression is unreachable [INFO] [stderr] 330 | 0 [INFO] [stderr] | ^ unreachable expression [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `system` [INFO] [stderr] --> src/main.rs:97:14 [INFO] [stderr] | [INFO] [stderr] 97 | fn op_0_halt(system: &mut System) -> (){ [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_system` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `idx` [INFO] [stderr] --> src/main.rs:325:35 [INFO] [stderr] | [INFO] [stderr] 325 | fn op_18_ret(system: &mut System, idx: usize) -> usize { [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_idx` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `stdin` [INFO] [stderr] --> src/main.rs:354:9 [INFO] [stderr] | [INFO] [stderr] 354 | let stdin = io::stdin().read_exact(&mut buffer); [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_stdin` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `system` [INFO] [stderr] --> src/main.rs:362:15 [INFO] [stderr] | [INFO] [stderr] 362 | fn op_21_noop(system: &mut System, idx: usize) -> usize { [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_system` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `v5` [INFO] [stderr] --> src/main.rs:401:9 [INFO] [stderr] | [INFO] [stderr] 401 | let v5 = v3 + v4; [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_v5` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:168:9 [INFO] [stderr] | [INFO] [stderr] 168 | let mut idx = idx + 1; [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/main.rs:321:9 [INFO] [stderr] | [INFO] [stderr] 321 | let mut idx = idx + 1; [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/main.rs:380:9 [INFO] [stderr] | [INFO] [stderr] 380 | let mut iter = buffer.chunks(2); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: enum is never used: `Value` [INFO] [stderr] --> src/main.rs:366:6 [INFO] [stderr] | [INFO] [stderr] 366 | enum Value { [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 11 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/synacor-edf8d8f1a123b4d3) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] running `Command { std: "docker" "inspect" "f34dbe7c83dd7d9825c100047c0531bbc6c98bc487addaa23de018f043105932", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f34dbe7c83dd7d9825c100047c0531bbc6c98bc487addaa23de018f043105932", kill_on_drop: false }` [INFO] [stdout] f34dbe7c83dd7d9825c100047c0531bbc6c98bc487addaa23de018f043105932