[INFO] fetching crate configuru 0.1.1...
[INFO] checking configuru-0.1.1 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate configuru 0.1.1 into /workspace/builds/worker-1-tc2/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-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate configuru 0.1.1 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 15 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 78cd48484b1216f4dfec7e443db688aab1191f800877681cd41b6a7f2a8102c2
[INFO] running `Command { std: "docker" "start" "-a" "78cd48484b1216f4dfec7e443db688aab1191f800877681cd41b6a7f2a8102c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "78cd48484b1216f4dfec7e443db688aab1191f800877681cd41b6a7f2a8102c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78cd48484b1216f4dfec7e443db688aab1191f800877681cd41b6a7f2a8102c2", kill_on_drop: false }`
[INFO] [stdout] 78cd48484b1216f4dfec7e443db688aab1191f800877681cd41b6a7f2a8102c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ef80f9aefa9c89a3985935021711ce329ff8c389c67e1c8b0f56b1de9b5e15d
[INFO] running `Command { std: "docker" "start" "-a" "0ef80f9aefa9c89a3985935021711ce329ff8c389c67e1c8b0f56b1de9b5e15d", kill_on_drop: false }`
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.219
[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)]` 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 4.10s
[INFO] running `Command { std: "docker" "inspect" "0ef80f9aefa9c89a3985935021711ce329ff8c389c67e1c8b0f56b1de9b5e15d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ef80f9aefa9c89a3985935021711ce329ff8c389c67e1c8b0f56b1de9b5e15d", kill_on_drop: false }`
[INFO] [stdout] 0ef80f9aefa9c89a3985935021711ce329ff8c389c67e1c8b0f56b1de9b5e15d