[INFO] cloning repository https://github.com/mckernant1/mckernant1-tools
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mckernant1/mckernant1-tools" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmckernant1%2Fmckernant1-tools", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmckernant1%2Fmckernant1-tools'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e07f4bc679d331fe2fc908e18e5cd15f562d9728
[INFO] checking mckernant1/mckernant1-tools against try#0611f7de057c584b8771102fde7aed6c70c71d3b for pr-146440
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmckernant1%2Fmckernant1-tools" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mckernant1/mckernant1-tools
[INFO] finished tweaking git repo https://github.com/mckernant1/mckernant1-tools
[INFO] tweaked toml for git repo https://github.com/mckernant1/mckernant1-tools written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mckernant1/mckernant1-tools on toolchain 0611f7de057c584b8771102fde7aed6c70c71d3b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mckernant1/mckernant1-tools 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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0a9b1ab8a9626793d768ed7705293e78b39392352a6df289842a148475b8a0ce
[INFO] running `Command { std: "docker" "start" "-a" "0a9b1ab8a9626793d768ed7705293e78b39392352a6df289842a148475b8a0ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a9b1ab8a9626793d768ed7705293e78b39392352a6df289842a148475b8a0ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a9b1ab8a9626793d768ed7705293e78b39392352a6df289842a148475b8a0ce", kill_on_drop: false }`
[INFO] [stdout] 0a9b1ab8a9626793d768ed7705293e78b39392352a6df289842a148475b8a0ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 441d91cca022f8106760e72ffd9dedfab277f0faebc792cdfef113f82c63f819
[INFO] running `Command { std: "docker" "start" "-a" "441d91cca022f8106760e72ffd9dedfab277f0faebc792cdfef113f82c63f819", kill_on_drop: false }`
[INFO] [stderr]     Checking mckernant1-tools v0.0.7 (/opt/rustwide/workdir)
[INFO] [stdout] error: struct `Distinct` is never constructed
[INFO] [stdout]   --> src/iter/distinct.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub struct Distinct<I>
[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_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `DistinctBy` is never constructed
[INFO] [stdout]   --> src/iter/distinct.rs:62:12
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub struct DistinctBy<I, F, K>
[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: trait `DistinctExt` is never used
[INFO] [stdout]  --> src/iter/distinct.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | trait DistinctExt: Iterator {
[INFO] [stdout]   |       ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mckernant1-tools` (lib) due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]    --> src/iter/distinct.rs:123:13
[INFO] [stdout]     |
[INFO] [stdout] 121 |         struct Person {
[INFO] [stdout]     |                ------ field in this struct
[INFO] [stdout] 122 |             id: u32,
[INFO] [stdout] 123 |             name: String,
[INFO] [stdout]     |             ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Person` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "441d91cca022f8106760e72ffd9dedfab277f0faebc792cdfef113f82c63f819", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "441d91cca022f8106760e72ffd9dedfab277f0faebc792cdfef113f82c63f819", kill_on_drop: false }`
[INFO] [stdout] 441d91cca022f8106760e72ffd9dedfab277f0faebc792cdfef113f82c63f819
