[INFO] fetching crate product-os-configuration 0.0.38...
[INFO] testing product-os-configuration-0.0.38 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate product-os-configuration 0.0.38 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate product-os-configuration 0.0.38
[INFO] finished tweaking crates.io crate product-os-configuration 0.0.38
[INFO] tweaked toml for crates.io crate product-os-configuration 0.0.38 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate product-os-configuration 0.0.38 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate product-os-configuration 0.0.38 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_path_to_error v0.1.17
[INFO] [stderr]   Downloaded jwt-compact v0.8.0
[INFO] [stderr]   Downloaded rustls v0.23.27
[INFO] [stderr]   Downloaded product-os-capabilities v0.0.20
[INFO] [stderr]   Downloaded core-error v0.0.1-rc4
[INFO] [stderr]   Downloaded product-os-security v0.0.61
[INFO] [stderr]   Downloaded syn v2.0.102
[INFO] [stderr]   Downloaded product-os-http v0.0.8
[INFO] [stderr]   Downloaded webpki-roots v1.0.0
[INFO] [stderr]   Downloaded product-os-openapi v0.0.4
[INFO] [stderr]   Downloaded mopa v0.2.2
[INFO] [stderr]   Downloaded product-os-utilities v0.0.23
[INFO] [stderr]   Downloaded axum-extra v0.10.1
[INFO] [stderr]   Downloaded redox_syscall v0.5.13
[INFO] [stderr]   Downloaded axum v0.8.4
[INFO] [stderr]   Downloaded no-std-compat v0.4.1
[INFO] [stderr]   Downloaded quinn v0.11.8
[INFO] [stderr]   Downloaded product-os-net v0.0.1
[INFO] [stderr]   Downloaded product-os-request v0.0.48
[INFO] [stderr]   Downloaded async-compression v0.4.24
[INFO] [stderr]   Downloaded litrs v0.4.1
[INFO] [stderr]   Downloaded cc v1.2.26
[INFO] [stderr]   Downloaded brotli-decompressor v5.0.0
[INFO] [stderr]   Downloaded reqwest v0.12.20
[INFO] [stderr]   Downloaded product-os-async-executor v0.0.17
[INFO] [stderr]   Downloaded quinn-proto v0.11.12
[INFO] [stderr]   Downloaded orion v0.17.11
[INFO] [stderr]   Downloaded bumpalo v3.18.1
[INFO] [stderr]   Downloaded tungstenite v0.26.2
[INFO] [stderr]   Downloaded serde_html_form v0.2.7
[INFO] [stderr]   Downloaded quinn-udp v0.5.12
[INFO] [stderr]   Downloaded product-os-router v0.0.35
[INFO] [stderr]   Downloaded product-os-connector v0.0.25
[INFO] [stderr]   Downloaded product-os-http-body v0.0.23
[INFO] [stderr]   Downloaded flate2 v1.1.2
[INFO] [stderr]   Downloaded rustls-webpki v0.103.3
[INFO] [stderr]   Downloaded hyper-util v0.1.14
[INFO] [stderr]   Downloaded tokio v1.45.1
[INFO] [stderr]   Downloaded ioslice v0.6.0
[INFO] [stderr]   Downloaded fiat-crypto v0.3.0
[INFO] [stderr]   Downloaded brotli v8.0.1
[INFO] [stderr]   Downloaded axum-core v0.5.2
[INFO] [stderr]   Downloaded time-macros v0.2.22
[INFO] [stderr]   Downloaded xml-rs v0.8.26
[INFO] [stderr]   Downloaded tokio-tungstenite v0.26.2
[INFO] [stderr]   Downloaded cookie_store v0.21.1
[INFO] [stderr]   Downloaded dns-lookup v2.0.4
[INFO] [stderr]   Downloaded time v0.3.41
[INFO] [stderr]   Downloaded product-os-random v0.0.27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1be4fcaa7684c7b43b7e779a8badc1f8bd90f5ea785c0072a185abd98c9e3bb5
[INFO] running `Command { std: "docker" "start" "-a" "1be4fcaa7684c7b43b7e779a8badc1f8bd90f5ea785c0072a185abd98c9e3bb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1be4fcaa7684c7b43b7e779a8badc1f8bd90f5ea785c0072a185abd98c9e3bb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1be4fcaa7684c7b43b7e779a8badc1f8bd90f5ea785c0072a185abd98c9e3bb5", kill_on_drop: false }`
[INFO] [stdout] 1be4fcaa7684c7b43b7e779a8badc1f8bd90f5ea785c0072a185abd98c9e3bb5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5000e2286332035f55cfe767afafc19179a322337cbe6231571a0c425563d535
[INFO] running `Command { std: "docker" "start" "-a" "5000e2286332035f55cfe767afafc19179a322337cbe6231571a0c425563d535", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling cfg-if v1.0.1
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling serde v1.0.219
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[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling typenum v1.18.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling percent-encoding v2.3.1
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling writeable v0.6.1
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[INFO] [stderr]    Compiling cc v1.2.26
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[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling zerocopy v0.8.25
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling no-std-compat v0.4.1
[INFO] [stderr]    Compiling form_urlencoded v1.2.1
[INFO] [stderr]    Compiling core-error v0.0.1-rc4
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[INFO] [stderr]    Compiling rustls v0.23.27
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[INFO] [stderr]    Compiling litrs v0.4.1
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling indexmap v2.9.0
[INFO] [stderr]    Compiling psl-types v2.0.11
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[INFO] [stderr]    Compiling utf-8 v0.7.6
[INFO] [stderr]    Compiling axum-core v0.5.2
[INFO] [stderr]    Compiling syn v2.0.102
[INFO] [stderr]    Compiling document-features v0.2.11
[INFO] [stderr]    Compiling encoding_rs v0.8.35
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]    Compiling iri-string v0.7.8
[INFO] [stderr]    Compiling socket2 v0.5.10
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling time v0.3.41
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling flate2 v1.1.2
[INFO] [stderr]    Compiling brotli v8.0.1
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling product-os-http v0.0.8
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling matchit v0.8.4
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling base64ct v1.8.0
[INFO] [stderr]    Compiling sha1 v0.10.6
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling ioslice v0.6.0
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling fiat-crypto v0.3.0
[INFO] [stderr]    Compiling no-std-net v0.6.0
[INFO] [stderr]    Compiling dns-lookup v2.0.4
[INFO] [stderr]    Compiling rand v0.9.1
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling product-os-random v0.0.27
[INFO] [stderr]    Compiling product-os-net v0.0.1
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling xml-rs v0.8.26
[INFO] [stderr]    Compiling mopa v0.2.2
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling thread_local v1.1.9
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling tracing-subscriber v0.3.19
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.0
[INFO] [stderr]    Compiling zerovec-derive v0.11.1
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling async-trait v0.1.88
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling zeroize v1.8.1
[INFO] [stderr]    Compiling tokio v1.45.1
[INFO] [stderr]    Compiling rustls-pki-types v1.12.0
[INFO] [stderr]    Compiling zerofrom v0.1.6
[INFO] [stderr]    Compiling pin-project v1.1.10
[INFO] [stderr]    Compiling yoke v0.8.0
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling zerovec v0.11.2
[INFO] [stderr]    Compiling zerotrie v0.2.2
[INFO] [stderr]    Compiling tungstenite v0.26.2
[INFO] [stderr]    Compiling product-os-http-body v0.0.23
[INFO] [stderr]    Compiling rustls-webpki v0.103.3
[INFO] [stderr]    Compiling webpki-roots v1.0.0
[INFO] [stderr]    Compiling tinystr v0.8.1
[INFO] [stderr]    Compiling potential_utf v0.1.2
[INFO] [stderr]    Compiling icu_collections v2.0.0
[INFO] [stderr]    Compiling icu_locale_core v2.0.0
[INFO] [stderr]    Compiling icu_provider v2.0.0
[INFO] [stderr]    Compiling icu_normalizer v2.0.0
[INFO] [stderr]    Compiling icu_properties v2.0.1
[INFO] [stderr]    Compiling orion v0.17.11
[INFO] [stderr]    Compiling idna_adapter v1.2.1
[INFO] [stderr]    Compiling hyper v1.6.0
[INFO] [stderr]    Compiling tower v0.5.2
[INFO] [stderr]    Compiling async-compression v0.4.24
[INFO] [stderr]    Compiling tokio-tungstenite v0.26.2
[INFO] [stderr]    Compiling tokio-util v0.7.15
[INFO] [stderr]    Compiling idna v1.0.3
[INFO] [stderr]    Compiling publicsuffix v2.3.0
[INFO] [stderr]    Compiling tower-http v0.6.6
[INFO] [stderr]    Compiling tokio-rustls v0.26.2
[INFO] [stderr]    Compiling hyper-util v0.1.14
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling url v2.5.4
[INFO] [stderr]    Compiling chrono v0.4.41
[INFO] [stderr]    Compiling serde_path_to_error v0.1.17
[INFO] [stderr]    Compiling serde_html_form v0.2.7
[INFO] [stderr]    Compiling serde_yaml v0.9.34+deprecated
[INFO] [stderr]    Compiling serde_with v3.12.0
[INFO] [stderr]    Compiling cookie_store v0.21.1
[INFO] [stderr]    Compiling product-os-openapi v0.0.4
[INFO] [stderr]    Compiling product-os-async-executor v0.0.17
[INFO] [stderr]    Compiling jwt-compact v0.8.0
[INFO] [stderr]    Compiling hyper-rustls v0.27.7
[INFO] [stderr]    Compiling axum v0.8.4
[INFO] [stderr]    Compiling reqwest v0.12.20
[INFO] [stderr]    Compiling product-os-security v0.0.61
[INFO] [stderr]    Compiling product-os-utilities v0.0.23
[INFO] [stderr]    Compiling product-os-request v0.0.48
[INFO] [stderr]    Compiling axum-extra v0.10.1
[INFO] [stderr]    Compiling product-os-router v0.0.35
[INFO] [stderr]    Compiling product-os-capabilities v0.0.20
[INFO] [stderr]    Compiling product-os-connector v0.0.25
[INFO] [stderr]    Compiling product-os-configuration v0.0.38 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Deserializer`
[INFO] [stdout]   --> src/lib.rs:10:26
[INFO] [stdout]    |
[INFO] [stdout] 10 | use serde::{Deserialize, Deserializer, Serialize};
[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 `csv` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     csv,
[INFO] [stdout]    |     ^^^ help: convert the identifier to upper camel case (notice the capitalization): `Csv`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `json` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     json
[INFO] [stdout]    |     ^^^^ help: convert the identifier to upper camel case: `Json`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_string` is never used
[INFO] [stdout]    --> src/lib.rs:751:8
[INFO] [stdout]     |
[INFO] [stdout] 750 | impl NetworkProxyCompression {
[INFO] [stdout]     | ---------------------------- method in this implementation
[INFO] [stdout] 751 |     fn to_string(self) -> String {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout]     |
[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 38.83s
[INFO] running `Command { std: "docker" "inspect" "5000e2286332035f55cfe767afafc19179a322337cbe6231571a0c425563d535", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5000e2286332035f55cfe767afafc19179a322337cbe6231571a0c425563d535", kill_on_drop: false }`
[INFO] [stdout] 5000e2286332035f55cfe767afafc19179a322337cbe6231571a0c425563d535
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2bacb9c9b7cd13b48bc7e90fe042cfeac4153f81783c82f4f08ef1b7cdf724c0
[INFO] running `Command { std: "docker" "start" "-a" "2bacb9c9b7cd13b48bc7e90fe042cfeac4153f81783c82f4f08ef1b7cdf724c0", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `Deserializer`
[INFO] [stdout]   --> src/lib.rs:10:26
[INFO] [stdout]    |
[INFO] [stdout] 10 | use serde::{Deserialize, Deserializer, Serialize};
[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 `csv` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     csv,
[INFO] [stdout]    |     ^^^ help: convert the identifier to upper camel case (notice the capitalization): `Csv`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `json` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     json
[INFO] [stdout]    |     ^^^^ help: convert the identifier to upper camel case: `Json`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_string` is never used
[INFO] [stdout]    --> src/lib.rs:751:8
[INFO] [stdout]     |
[INFO] [stdout] 750 | impl NetworkProxyCompression {
[INFO] [stdout]     | ---------------------------- method in this implementation
[INFO] [stdout] 751 |     fn to_string(self) -> String {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling product-os-configuration v0.0.38 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Deserializer`
[INFO] [stdout]   --> src/lib.rs:10:26
[INFO] [stdout]    |
[INFO] [stdout] 10 | use serde::{Deserialize, Deserializer, Serialize};
[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 `csv` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     csv,
[INFO] [stdout]    |     ^^^ help: convert the identifier to upper camel case (notice the capitalization): `Csv`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `json` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     json
[INFO] [stdout]    |     ^^^^ help: convert the identifier to upper camel case: `Json`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_string` is never used
[INFO] [stdout]    --> src/lib.rs:751:8
[INFO] [stdout]     |
[INFO] [stdout] 750 | impl NetworkProxyCompression {
[INFO] [stdout]     | ---------------------------- method in this implementation
[INFO] [stdout] 751 |     fn to_string(self) -> String {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.38s
[INFO] running `Command { std: "docker" "inspect" "2bacb9c9b7cd13b48bc7e90fe042cfeac4153f81783c82f4f08ef1b7cdf724c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bacb9c9b7cd13b48bc7e90fe042cfeac4153f81783c82f4f08ef1b7cdf724c0", kill_on_drop: false }`
[INFO] [stdout] 2bacb9c9b7cd13b48bc7e90fe042cfeac4153f81783c82f4f08ef1b7cdf724c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4205265cd871b3daf4b3eec7f82f3b08e1273152adc2cc9fb464978bfd7939f7
[INFO] running `Command { std: "docker" "start" "-a" "4205265cd871b3daf4b3eec7f82f3b08e1273152adc2cc9fb464978bfd7939f7", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Deserializer`
[INFO] [stderr]   --> src/lib.rs:10:26
[INFO] [stderr]    |
[INFO] [stderr] 10 | use serde::{Deserialize, Deserializer, Serialize};
[INFO] [stderr]    |                          ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `csv` should have an upper camel case name
[INFO] [stderr]   --> src/lib.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     csv,
[INFO] [stderr]    |     ^^^ help: convert the identifier to upper camel case (notice the capitalization): `Csv`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `json` should have an upper camel case name
[INFO] [stderr]   --> src/lib.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |     json
[INFO] [stderr]    |     ^^^^ help: convert the identifier to upper camel case: `Json`
[INFO] [stderr] 
[INFO] [stderr] warning: method `to_string` is never used
[INFO] [stderr]    --> src/lib.rs:751:8
[INFO] [stderr]     |
[INFO] [stderr] 750 | impl NetworkProxyCompression {
[INFO] [stderr]     | ---------------------------- method in this implementation
[INFO] [stderr] 751 |     fn to_string(self) -> String {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `product-os-configuration` (lib) generated 4 warnings (run `cargo fix --lib -p product-os-configuration` to apply 1 suggestion)
[INFO] [stderr] warning: `product-os-configuration` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/product_os_configuration-0ad21e42a569a459)
[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] [stderr]    Doc-tests product_os_configuration
[INFO] [stderr] warning: variant `csv` should have an upper camel case name
[INFO] [stderr]   --> src/lib.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     csv,
[INFO] [stderr]    |     ^^^ help: convert the identifier to upper camel case (notice the capitalization): `Csv`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `json` should have an upper camel case name
[INFO] [stderr]   --> src/lib.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |     json
[INFO] [stderr]    |     ^^^^ help: convert the identifier to upper camel case: `Json`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[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" "4205265cd871b3daf4b3eec7f82f3b08e1273152adc2cc9fb464978bfd7939f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4205265cd871b3daf4b3eec7f82f3b08e1273152adc2cc9fb464978bfd7939f7", kill_on_drop: false }`
[INFO] [stdout] 4205265cd871b3daf4b3eec7f82f3b08e1273152adc2cc9fb464978bfd7939f7