[INFO] cloning repository https://github.com/michi0987/config_manager-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/michi0987/config_manager-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichi0987%2Fconfig_manager-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichi0987%2Fconfig_manager-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1cf310b54d44d6f8b798bac9342727c22ec4d9a8
[INFO] checking michi0987/config_manager-rs against master#779e19d8baa3e3625bd4fc5c85cbb2ad47b43155 for pr-147589-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichi0987%2Fconfig_manager-rs" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/michi0987/config_manager-rs
[INFO] finished tweaking git repo https://github.com/michi0987/config_manager-rs
[INFO] tweaked toml for git repo https://github.com/michi0987/config_manager-rs written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/michi0987/config_manager-rs on toolchain 779e19d8baa3e3625bd4fc5c85cbb2ad47b43155
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/michi0987/config_manager-rs 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" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "b03c1629b80833460e7796611abf68f99e2dd590c0fe3cb02c1a2da9f43d8b04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b03c1629b80833460e7796611abf68f99e2dd590c0fe3cb02c1a2da9f43d8b04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b03c1629b80833460e7796611abf68f99e2dd590c0fe3cb02c1a2da9f43d8b04", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "733fa3879219009fa5156787b894cca86acfff6d91be63ef645b3edb13a1ff27", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/grpc/grpc.rs:6:294
[INFO] [stdout]   |
[INFO] [stdout] 6 | ...ponse, DeleteGroupResponse}, config::{group::ConfigurationGroup, self}};
[INFO] [stdout]   |                                                                     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/grpc/grpc.rs:6:294
[INFO] [stdout]   |
[INFO] [stdout] 6 | ...ponse, DeleteGroupResponse}, config::{group::ConfigurationGroup, self}};
[INFO] [stdout]   |                                                                     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Json` is never constructed
[INFO] [stdout]   --> src/config/manager.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | enum ConfigurationManagerDbBackend {
[INFO] [stdout]    |      ----------------------------- variant in this enum
[INFO] [stdout] 24 |     Yaml,
[INFO] [stdout] 25 |     Json,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ConfigurationManagerDbBackend` has a derived impl for the trait `Debug`, 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: variant `Json` is never constructed
[INFO] [stdout]   --> src/config/manager.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | enum ConfigurationManagerDbBackend {
[INFO] [stdout]    |      ----------------------------- variant in this enum
[INFO] [stdout] 24 |     Yaml,
[INFO] [stdout] 25 |     Json,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ConfigurationManagerDbBackend` has a derived impl for the trait `Debug`, 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 57.82s
[INFO] running `Command { std: "docker" "inspect" "733fa3879219009fa5156787b894cca86acfff6d91be63ef645b3edb13a1ff27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "733fa3879219009fa5156787b894cca86acfff6d91be63ef645b3edb13a1ff27", kill_on_drop: false }`
[INFO] [stdout] 733fa3879219009fa5156787b894cca86acfff6d91be63ef645b3edb13a1ff27
