[INFO] fetching crate configuru 0.1.1...
[INFO] checking configuru-0.1.1 against master#8a703520e80d87d4423c01f9d4fbc9e5f6533a02 for pr-154205-1
[INFO] extracting crate configuru 0.1.1 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate configuru 0.1.1
[INFO] finished tweaking crates.io crate configuru 0.1.1
[INFO] tweaked toml for crates.io crate configuru 0.1.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate configuru 0.1.1 on toolchain 8a703520e80d87d4423c01f9d4fbc9e5f6533a02
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 16 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0b4f636ad720e32b06435b605378b28a9c24e7449e293a511694101eebce61ce
[INFO] running `Command { std: "docker" "start" "-a" "0b4f636ad720e32b06435b605378b28a9c24e7449e293a511694101eebce61ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b4f636ad720e32b06435b605378b28a9c24e7449e293a511694101eebce61ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b4f636ad720e32b06435b605378b28a9c24e7449e293a511694101eebce61ce", kill_on_drop: false }`
[INFO] [stdout] 0b4f636ad720e32b06435b605378b28a9c24e7449e293a511694101eebce61ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 25512ce722c291b72780983765d4888cb90f90442d157aa2183bbf3167dfae1d
[INFO] running `Command { std: "docker" "start" "-a" "25512ce722c291b72780983765d4888cb90f90442d157aa2183bbf3167dfae1d", kill_on_drop: false }`
[INFO] [stderr]     Checking regex-syntax v0.8.10
[INFO] [stderr]     Checking aho-corasick v1.1.4
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking serde_json v1.0.149
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]     Checking regex-automata v0.4.14
[INFO] [stderr]     Checking regex v1.12.3
[INFO] [stderr]     Checking configuru v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:128:19
[INFO] [stdout]     |
[INFO] [stdout] 128 |     pub fn hidden(&self) -> HiddenLoader {
[INFO] [stdout]     |                   ^^^^^     ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 128 |     pub fn hidden(&self) -> HiddenLoader<'_> {
[INFO] [stdout]     |                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:128:19
[INFO] [stdout]     |
[INFO] [stdout] 128 |     pub fn hidden(&self) -> HiddenLoader {
[INFO] [stdout]     |                   ^^^^^     ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 128 |     pub fn hidden(&self) -> HiddenLoader<'_> {
[INFO] [stdout]     |                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `email` and `age` are never read
[INFO] [stdout]   --> tests/test.rs:9:9
[INFO] [stdout]    |
[INFO] [stdout]  8 |     struct Customer {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout]  9 |         email: String,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 10 |         age: i64,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Customer` 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: fields `port`, `host`, and `customer` are never read
[INFO] [stdout]   --> tests/test.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     struct Config {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 15 |         port: i64,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 16 |         host: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 17 |         password: Hidden<String>,
[INFO] [stdout] 18 |         customer: Customer,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Config` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `url` is never read
[INFO] [stdout]   --> tests/test.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 59 |       struct WrongConfig {
[INFO] [stdout]    |              ----------- field in this struct
[INFO] [stdout] 60 |         url: String,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `WrongConfig` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.77s
[INFO] running `Command { std: "docker" "inspect" "25512ce722c291b72780983765d4888cb90f90442d157aa2183bbf3167dfae1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25512ce722c291b72780983765d4888cb90f90442d157aa2183bbf3167dfae1d", kill_on_drop: false }`
[INFO] [stdout] 25512ce722c291b72780983765d4888cb90f90442d157aa2183bbf3167dfae1d