[INFO] cloning repository https://github.com/nikomatsakis/rust-metrics
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nikomatsakis/rust-metrics" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnikomatsakis%2Frust-metrics", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnikomatsakis%2Frust-metrics'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3e3250d73c09097d66d52e5af752162150628c8f
[INFO] testing nikomatsakis/rust-metrics against 1.73.0 for beta-1.74-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnikomatsakis%2Frust-metrics" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nikomatsakis/rust-metrics on toolchain 1.73.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.73.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nikomatsakis/rust-metrics
[INFO] finished tweaking git repo https://github.com/nikomatsakis/rust-metrics
[INFO] tweaked toml for git repo https://github.com/nikomatsakis/rust-metrics written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/nikomatsakis/rust-metrics 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" "+1.73.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[INFO] [stderr]   Downloaded rustfix v0.6.1
[INFO] [stderr]   Downloaded git2-curl v0.15.0
[INFO] [stderr]   Downloaded cargo-util v0.2.2
[INFO] [stderr]   Downloaded octocrab v0.12.0
[INFO] [stderr]   Downloaded graphql_client_codegen v0.10.0
[INFO] [stderr]   Downloaded object v0.30.1
[INFO] [stderr]   Downloaded cargo v0.65.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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_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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+1.73.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0a65e39f1e1541002915fa62947d0cd7b4bb878d0f6ffc5930d23c32a01c8bc9
[INFO] running `Command { std: "docker" "start" "-a" "0a65e39f1e1541002915fa62947d0cd7b4bb878d0f6ffc5930d23c32a01c8bc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a65e39f1e1541002915fa62947d0cd7b4bb878d0f6ffc5930d23c32a01c8bc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a65e39f1e1541002915fa62947d0cd7b4bb878d0f6ffc5930d23c32a01c8bc9", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+1.73.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed3c05d128f5938f18df1dfb02dfa6a99bf6ac55ee415e507b92799726925939
[INFO] running `Command { std: "docker" "start" "-a" "ed3c05d128f5938f18df1dfb02dfa6a99bf6ac55ee415e507b92799726925939", kill_on_drop: false }`
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[INFO] [stderr]    Compiling cargo-platform v0.1.2
[INFO] [stderr]    Compiling serde_ignored v0.1.7
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[INFO] [stderr]    Compiling rustfix v0.6.1
[INFO] [stderr]    Compiling crates-io v0.34.0
[INFO] [stderr]    Compiling hyper v0.14.23
[INFO] [stderr]    Compiling graphql_query_derive v0.10.0
[INFO] [stderr]    Compiling git2-curl v0.15.0
[INFO] [stderr]    Compiling graphql_client v0.10.0
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling reqwest v0.11.13
[INFO] [stderr]    Compiling octocrab v0.12.0
[INFO] [stderr]    Compiling rust-playground-top-crates v0.1.7
[INFO] [stderr]    Compiling optopodi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `name` and `id` are never read
[INFO] [stdout]   --> src/report/top_crates.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub(super) struct TopCrateInfo {
[INFO] [stdout]    |                   ------------ fields in this struct
[INFO] [stdout] 17 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 18 |     version: semver::Version,
[INFO] [stdout] 19 |     id: String,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TopCrateInfo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/report/top_crates.rs:85:45
[INFO] [stdout]    |
[INFO] [stdout] 85 |     let data = std::fs::read_to_string(&path.clone())
[INFO] [stdout]    |                                             ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `Path` does not implement `Clone`, so calling `clone` on `&Path` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 18s
[INFO] running `Command { std: "docker" "inspect" "ed3c05d128f5938f18df1dfb02dfa6a99bf6ac55ee415e507b92799726925939", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed3c05d128f5938f18df1dfb02dfa6a99bf6ac55ee415e507b92799726925939", kill_on_drop: false }`
[INFO] [stdout] ed3c05d128f5938f18df1dfb02dfa6a99bf6ac55ee415e507b92799726925939
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+1.73.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9f01931418ee6d8584fcda229815d65455c26f14507eb6ec523404d72deebde
[INFO] running `Command { std: "docker" "start" "-a" "f9f01931418ee6d8584fcda229815d65455c26f14507eb6ec523404d72deebde", kill_on_drop: false }`
[INFO] [stderr]    Compiling optopodi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `name` and `id` are never read
[INFO] [stdout]   --> src/report/top_crates.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub(super) struct TopCrateInfo {
[INFO] [stdout]    |                   ------------ fields in this struct
[INFO] [stdout] 17 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 18 |     version: semver::Version,
[INFO] [stdout] 19 |     id: String,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TopCrateInfo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/report/top_crates.rs:85:45
[INFO] [stdout]    |
[INFO] [stdout] 85 |     let data = std::fs::read_to_string(&path.clone())
[INFO] [stdout]    |                                             ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `Path` does not implement `Clone`, so calling `clone` on `&Path` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.36s
[INFO] running `Command { std: "docker" "inspect" "f9f01931418ee6d8584fcda229815d65455c26f14507eb6ec523404d72deebde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9f01931418ee6d8584fcda229815d65455c26f14507eb6ec523404d72deebde", kill_on_drop: false }`
[INFO] [stdout] f9f01931418ee6d8584fcda229815d65455c26f14507eb6ec523404d72deebde
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+1.73.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 349457807cbd84b910896b299e72f6c054b0adabc330f9008773d6b906b3f670
[INFO] running `Command { std: "docker" "start" "-a" "349457807cbd84b910896b299e72f6c054b0adabc330f9008773d6b906b3f670", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: fields `name` and `id` are never read
[INFO] [stderr]   --> src/report/top_crates.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub(super) struct TopCrateInfo {
[INFO] [stderr]    |                   ------------ fields in this struct
[INFO] [stderr] 17 |     name: String,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 18 |     version: semver::Version,
[INFO] [stderr] 19 |     id: String,
[INFO] [stderr]    |     ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `TopCrateInfo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stderr]   --> src/report/top_crates.rs:85:45
[INFO] [stderr]    |
[INFO] [stderr] 85 |     let data = std::fs::read_to_string(&path.clone())
[INFO] [stderr]    |                                             ^^^^^^^^ help: remove this redundant call
[INFO] [stderr]    |
[INFO] [stderr]    = note: the type `Path` does not implement `Clone`, so calling `clone` on `&Path` copies the reference, which does not do anything and can be removed
[INFO] [stderr]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `optopodi` (bin "optopodi" test) generated 2 warnings (run `cargo fix --bin "optopodi" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/optopodi-72248f8011c34c4f)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "349457807cbd84b910896b299e72f6c054b0adabc330f9008773d6b906b3f670", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "349457807cbd84b910896b299e72f6c054b0adabc330f9008773d6b906b3f670", kill_on_drop: false }`
[INFO] [stdout] 349457807cbd84b910896b299e72f6c054b0adabc330f9008773d6b906b3f670