[INFO] cloning repository https://github.com/JustusFluegel/Example-Runner
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JustusFluegel/Example-Runner" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJustusFluegel%2FExample-Runner", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c5bab8ef2ce9680df3e199ab3381357b0067383b
[INFO] checking JustusFluegel/Example-Runner against master#507271bc119683008ec719ecee48814e8ac86c65 for pr-146440
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJustusFluegel%2FExample-Runner" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
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[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/JustusFluegel/Example-Runner
[INFO] finished tweaking git repo https://github.com/JustusFluegel/Example-Runner
[INFO] tweaked toml for git repo https://github.com/JustusFluegel/Example-Runner written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/JustusFluegel/Example-Runner on toolchain 507271bc119683008ec719ecee48814e8ac86c65
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+507271bc119683008ec719ecee48814e8ac86c65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/JustusFluegel/Example-Runner 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" "+507271bc119683008ec719ecee48814e8ac86c65" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "72798864d0ead67478d9f0618a389cb40dc3130278129c2089de4a9e6fb1ff97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "72798864d0ead67478d9f0618a389cb40dc3130278129c2089de4a9e6fb1ff97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72798864d0ead67478d9f0618a389cb40dc3130278129c2089de4a9e6fb1ff97", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "+507271bc119683008ec719ecee48814e8ac86c65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking textwrap v0.15.2
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking num_cpus v1.16.0
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[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]  --> crates/rust-metadata/src/cargo/package_id.rs:9:11
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn semver(input: &str) -> IResult<&str, Semver> {
[INFO] [stdout]   |           ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `str_num` is never used
[INFO] [stdout]  --> crates/rust-metadata/src/cargo/package_id.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn str_num(input: &str) -> IResult<&str, u32> {
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `semver` is never used
[INFO] [stdout]  --> crates/rust-metadata/src/cargo/package_id.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn semver(input: &str) -> IResult<&str, Semver> {
[INFO] [stdout]   |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]  --> crates/rust-metadata/src/cargo/package_id.rs:9:11
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn semver(input: &str) -> IResult<&str, Semver> {
[INFO] [stdout]   |           ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `str_num` is never used
[INFO] [stdout]  --> crates/rust-metadata/src/cargo/package_id.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn str_num(input: &str) -> IResult<&str, u32> {
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `semver` is never used
[INFO] [stdout]  --> crates/rust-metadata/src/cargo/package_id.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn semver(input: &str) -> IResult<&str, Semver> {
[INFO] [stdout]   |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking cargo_metadata v0.18.1
[INFO] [stderr]     Checking example-runner-core v0.1.2 (/opt/rustwide/workdir/crates/example-runner-core)
[INFO] [stderr]     Checking example-runner-cli v0.1.2 (/opt/rustwide/workdir/crates/example-runner-cli)
[INFO] [stdout] warning: field `path` is never read
[INFO] [stdout]  --> crates/example-runner-core/src/examples/example.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Example<'a> {
[INFO] [stdout]   |            ------- field in this struct
[INFO] [stdout] 4 |     path: ExamplePath<'a>,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `package_id` and `target` are never read
[INFO] [stdout]  --> crates/example-runner-core/src/examples/path.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct ExamplePath<'a> {
[INFO] [stdout]   |            ----------- fields in this struct
[INFO] [stdout] 6 |     package_id: PackageId,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 7 |     target: Cow<'a, Target>,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `path` is never read
[INFO] [stdout]  --> crates/example-runner-core/src/examples/example.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Example<'a> {
[INFO] [stdout]   |            ------- field in this struct
[INFO] [stdout] 4 |     path: ExamplePath<'a>,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `package_id` and `target` are never read
[INFO] [stdout]  --> crates/example-runner-core/src/examples/path.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct ExamplePath<'a> {
[INFO] [stdout]   |            ----------- fields in this struct
[INFO] [stdout] 6 |     package_id: PackageId,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 7 |     target: Cow<'a, Target>,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `RunnableExample` is never used
[INFO] [stdout]  --> crates/example-runner-cli/src/execute_examples.rs:1:7
[INFO] [stdout]   |
[INFO] [stdout] 1 | trait RunnableExample {}
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `RunnableExample` is never used
[INFO] [stdout]  --> crates/example-runner-cli/src/execute_examples.rs:1:7
[INFO] [stdout]   |
[INFO] [stdout] 1 | trait RunnableExample {}
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ExamplesExecutor` is never constructed
[INFO] [stdout]  --> crates/example-runner-cli/src/execute_examples.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct ExamplesExecutor {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ExamplesExecutor` is never constructed
[INFO] [stdout]  --> crates/example-runner-cli/src/execute_examples.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct ExamplesExecutor {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 40.47s
[INFO] running `Command { std: "docker" "inspect" "c0fc7fcdac1153e5eb48ee5e77edea6bfa59eaba2c6f6ded8479f5e182f0d0da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0fc7fcdac1153e5eb48ee5e77edea6bfa59eaba2c6f6ded8479f5e182f0d0da", kill_on_drop: false }`
[INFO] [stdout] c0fc7fcdac1153e5eb48ee5e77edea6bfa59eaba2c6f6ded8479f5e182f0d0da
