[INFO] fetching crate confget 5.1.2...
[INFO] checking confget-5.1.2 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate confget 5.1.2 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate confget 5.1.2 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate confget 5.1.2
[INFO] finished tweaking crates.io crate confget 5.1.2
[INFO] tweaked toml for crates.io crate confget 5.1.2 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate confget 5.1.2 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tracing-test v0.2.4
[INFO] [stderr]   Downloaded tracing-test-macro v0.2.4
[INFO] [stderr]   Downloaded encoding_index_tests v0.1.4
[INFO] [stderr]   Downloaded anstyle-query v1.0.0
[INFO] [stderr]   Downloaded clap_lex v0.5.1
[INFO] [stderr]   Downloaded errno v0.3.2
[INFO] [stderr]   Downloaded anstyle-parse v0.2.1
[INFO] [stderr]   Downloaded anstyle-wincon v2.1.0
[INFO] [stderr]   Downloaded anstream v0.5.0
[INFO] [stderr]   Downloaded clap_builder v4.4.0
[INFO] [stderr]   Downloaded rustix v0.38.9
[INFO] [stderr]   Downloaded regex-syntax v0.7.4
[INFO] [stderr]   Downloaded regex-automata v0.3.6
[INFO] [stderr]   Downloaded regex v1.9.3
[INFO] [stderr]   Downloaded clap v4.4.0
[INFO] [stderr]   Downloaded encoding-index-japanese v1.20141219.5
[INFO] [stderr]   Downloaded linux-raw-sys v0.4.5
[INFO] [stderr]   Downloaded encoding-index-korean v1.20141219.5
[INFO] [stderr]   Downloaded encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]   Downloaded encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]   Downloaded encoding v0.2.33
[INFO] [stderr]   Downloaded aho-corasick v1.0.4
[INFO] [stderr]   Downloaded clap_derive v4.4.0
[INFO] [stderr]   Downloaded encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]   Downloaded fastrand v2.0.0
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f486e208ef2c91c574f5765ab88840e495d78921af7d2411473d34cc2a5d998e
[INFO] running `Command { std: "docker" "start" "-a" "f486e208ef2c91c574f5765ab88840e495d78921af7d2411473d34cc2a5d998e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f486e208ef2c91c574f5765ab88840e495d78921af7d2411473d34cc2a5d998e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f486e208ef2c91c574f5765ab88840e495d78921af7d2411473d34cc2a5d998e", kill_on_drop: false }`
[INFO] [stdout] f486e208ef2c91c574f5765ab88840e495d78921af7d2411473d34cc2a5d998e
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bca0f0b522dc38730f149011d84d393b534fc47b5076cd5ea83de9967053040a
[INFO] running `Command { std: "docker" "start" "-a" "bca0f0b522dc38730f149011d84d393b534fc47b5076cd5ea83de9967053040a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling semver v1.0.18
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]     Checking regex-syntax v0.7.4
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]     Checking anstyle-parse v0.2.1
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]     Checking anstyle v1.0.2
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]     Checking anstyle-query v1.0.0
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking anstream v0.5.0
[INFO] [stderr]    Compiling aho-corasick v1.0.4
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]    Compiling thiserror v1.0.47
[INFO] [stderr]    Compiling syn v2.0.29
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]     Checking clap_lex v0.5.1
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking clap_builder v4.4.0
[INFO] [stderr]     Checking regex-automata v0.3.6
[INFO] [stderr]    Compiling rstest_macros v0.18.2
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]    Compiling rustix v0.38.9
[INFO] [stderr]     Checking itertools v0.11.0
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking tracing-log v0.1.3
[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]     Checking regex v1.9.3
[INFO] [stderr]     Checking matchers v0.1.0
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]     Checking linux-raw-sys v0.4.5
[INFO] [stderr]     Checking shell-words v1.1.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]     Checking smallvec v1.11.0
[INFO] [stderr]    Compiling relative-path v1.9.0
[INFO] [stderr]     Checking bitflags v2.4.0
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]     Checking fastrand v2.0.0
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling tracing-attributes v0.1.26
[INFO] [stderr]    Compiling clap_derive v4.4.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.47
[INFO] [stderr]     Checking tempfile v3.8.0
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking tracing-subscriber v0.3.17
[INFO] [stderr]    Compiling tracing-test-macro v0.2.4
[INFO] [stderr]     Checking clap v4.4.0
[INFO] [stderr]     Checking confget v5.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `ToOwned` is imported redundantly
[INFO] [stdout]  --> src/backend.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::borrow::ToOwned;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `ToOwned` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking tracing-test v0.2.4
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking futures-executor v0.3.28
[INFO] [stderr]     Checking futures v0.3.28
[INFO] [stderr]     Checking rstest v0.18.2
[INFO] [stdout] warning: the item `ToOwned` is imported redundantly
[INFO] [stdout]  --> src/backend.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::borrow::ToOwned;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `ToOwned` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 51.71s
[INFO] running `Command { std: "docker" "inspect" "bca0f0b522dc38730f149011d84d393b534fc47b5076cd5ea83de9967053040a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bca0f0b522dc38730f149011d84d393b534fc47b5076cd5ea83de9967053040a", kill_on_drop: false }`
[INFO] [stdout] bca0f0b522dc38730f149011d84d393b534fc47b5076cd5ea83de9967053040a