[INFO] cloning repository https://github.com/RootOfInfinity/mini-code-contest [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RootOfInfinity/mini-code-contest" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRootOfInfinity%2Fmini-code-contest", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRootOfInfinity%2Fmini-code-contest'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b63d49a8641e86518706151767106cc147ba71c6 [INFO] checking RootOfInfinity/mini-code-contest against try#93086cfebfccb79083c59d0d3b2052944bba643c for pr-146440-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRootOfInfinity%2Fmini-code-contest" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/RootOfInfinity/mini-code-contest [INFO] finished tweaking git repo https://github.com/RootOfInfinity/mini-code-contest [INFO] tweaked toml for git repo https://github.com/RootOfInfinity/mini-code-contest written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/RootOfInfinity/mini-code-contest on toolchain 93086cfebfccb79083c59d0d3b2052944bba643c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/RootOfInfinity/mini-code-contest already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ed3d0f806795b348f21eb8fec816c1a6ed986d399b7b3c26aa65a650682db36a [INFO] running `Command { std: "docker" "start" "-a" "ed3d0f806795b348f21eb8fec816c1a6ed986d399b7b3c26aa65a650682db36a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ed3d0f806795b348f21eb8fec816c1a6ed986d399b7b3c26aa65a650682db36a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ed3d0f806795b348f21eb8fec816c1a6ed986d399b7b3c26aa65a650682db36a", kill_on_drop: false }` [INFO] [stdout] ed3d0f806795b348f21eb8fec816c1a6ed986d399b7b3c26aa65a650682db36a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 42ca266969b25f6753c9845a230cba4a559ec4feac35824ada1a873ad31c40a2 [INFO] running `Command { std: "docker" "start" "-a" "42ca266969b25f6753c9845a230cba4a559ec4feac35824ada1a873ad31c40a2", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.169 [INFO] [stderr] Checking predicates-core v1.0.9 [INFO] [stderr] Compiling doc-comment v0.3.3 [INFO] [stderr] Checking anstyle v1.0.10 [INFO] [stderr] Compiling assert_cmd v2.0.16 [INFO] [stderr] Checking termtree v0.5.1 [INFO] [stderr] Checking regex-automata v0.4.9 [INFO] [stderr] Checking difflib v0.4.0 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Checking predicates-tree v1.0.12 [INFO] [stderr] Checking json v0.12.4 [INFO] [stderr] Checking predicates v3.1.3 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking bstr v1.11.3 [INFO] [stderr] Checking code_challenge v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::fs` [INFO] [stdout] --> src/core.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::fs; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tester.rs:52:9 [INFO] [stdout] | [INFO] [stdout] 52 | let mut right = 0; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `right` [INFO] [stdout] --> src/tester.rs:52:9 [INFO] [stdout] | [INFO] [stdout] 52 | let mut right = 0; [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_right` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `compile_it` is never used [INFO] [stdout] --> src/compiler.rs:7:4 [INFO] [stdout] | [INFO] [stdout] 7 | fn compile_it(package: core::CodePackage) -> Result { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: struct `Test` is never constructed [INFO] [stdout] --> src/tester.rs:14:12 [INFO] [stdout] | [INFO] [stdout] 14 | pub struct Test { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it [INFO] [stdout] = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: struct `TestSet` is never constructed [INFO] [stdout] --> src/tester.rs:19:12 [INFO] [stdout] | [INFO] [stdout] 19 | pub struct TestSet { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `input` and `output` are never read [INFO] [stdout] --> src/tester.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 14 | pub struct Test { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 15 | input: Arc, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 16 | output: Arc, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Test` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `name`, `test_num`, `description`, and `tests` are never read [INFO] [stdout] --> src/tester.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 19 | pub struct TestSet { [INFO] [stdout] | ------- fields in this struct [INFO] [stdout] 20 | name: Arc, [INFO] [stdout] | ^^^^ [INFO] [stdout] 21 | test_num: u32, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 22 | description: Arc, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 23 | tests: Arc<[Test]>, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `from_json` is never used [INFO] [stdout] --> src/tester.rs:27:8 [INFO] [stdout] | [INFO] [stdout] 26 | impl TestSet { [INFO] [stdout] | ------------ associated function in this implementation [INFO] [stdout] 27 | fn from_json(testj: JsonValue) -> Self { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_against_testcases` is never used [INFO] [stdout] --> src/tester.rs:48:4 [INFO] [stdout] | [INFO] [stdout] 48 | fn test_against_testcases( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `code_challenge` (bin "code_challenge") due to 2 previous errors; 8 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: unused import: `std::fs` [INFO] [stdout] --> src/core.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::fs; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tester.rs:52:9 [INFO] [stdout] | [INFO] [stdout] 52 | let mut right = 0; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `right` [INFO] [stdout] --> src/tester.rs:52:9 [INFO] [stdout] | [INFO] [stdout] 52 | let mut right = 0; [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_right` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: struct `Test` is never constructed [INFO] [stdout] --> src/tester.rs:14:12 [INFO] [stdout] | [INFO] [stdout] 14 | pub struct Test { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it [INFO] [stdout] = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: struct `TestSet` is never constructed [INFO] [stdout] --> src/tester.rs:19:12 [INFO] [stdout] | [INFO] [stdout] 19 | pub struct TestSet { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `input` and `output` are never read [INFO] [stdout] --> src/tester.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 14 | pub struct Test { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 15 | input: Arc, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 16 | output: Arc, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Test` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `name`, `test_num`, `description`, and `tests` are never read [INFO] [stdout] --> src/tester.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 19 | pub struct TestSet { [INFO] [stdout] | ------- fields in this struct [INFO] [stdout] 20 | name: Arc, [INFO] [stdout] | ^^^^ [INFO] [stdout] 21 | test_num: u32, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 22 | description: Arc, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 23 | tests: Arc<[Test]>, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `from_json` is never used [INFO] [stdout] --> src/tester.rs:27:8 [INFO] [stdout] | [INFO] [stdout] 26 | impl TestSet { [INFO] [stdout] | ------------ associated function in this implementation [INFO] [stdout] 27 | fn from_json(testj: JsonValue) -> Self { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_against_testcases` is never used [INFO] [stdout] --> src/tester.rs:48:4 [INFO] [stdout] | [INFO] [stdout] 48 | fn test_against_testcases( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `code_challenge` (bin "code_challenge" test) due to 2 previous errors; 7 warnings emitted [INFO] running `Command { std: "docker" "inspect" "42ca266969b25f6753c9845a230cba4a559ec4feac35824ada1a873ad31c40a2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "42ca266969b25f6753c9845a230cba4a559ec4feac35824ada1a873ad31c40a2", kill_on_drop: false }` [INFO] [stdout] 42ca266969b25f6753c9845a230cba4a559ec4feac35824ada1a873ad31c40a2