[INFO] fetching crate config-items 0.1.7...
[INFO] checking config-items-0.1.7 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate config-items 0.1.7 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate config-items 0.1.7
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate config-items 0.1.7
[INFO] tweaked toml for crates.io crate config-items 0.1.7 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate config-items 0.1.7 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate config-items 0.1.7 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4c260075dce17e330bf51dc12625dd04bd4d00287ebbe94aa78b1ae78b948c26
[INFO] running `Command { std: "docker" "start" "-a" "4c260075dce17e330bf51dc12625dd04bd4d00287ebbe94aa78b1ae78b948c26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c260075dce17e330bf51dc12625dd04bd4d00287ebbe94aa78b1ae78b948c26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c260075dce17e330bf51dc12625dd04bd4d00287ebbe94aa78b1ae78b948c26", kill_on_drop: false }`
[INFO] [stdout] 4c260075dce17e330bf51dc12625dd04bd4d00287ebbe94aa78b1ae78b948c26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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 -Dunmustuse_in_always_ok" "-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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 122372115d48bfc4cdc452b7aee8702b671a36318ea9e19339d266d638d41d4c
[INFO] running `Command { std: "docker" "start" "-a" "122372115d48bfc4cdc452b7aee8702b671a36318ea9e19339d266d638d41d4c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling libc v0.2.164
[INFO] [stderr]    Compiling serde v1.0.215
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking hashbrown v0.15.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking smallvec v1.11.2
[INFO] [stderr]     Checking destructure_traitobject v0.2.0
[INFO] [stderr]    Compiling anyhow v1.0.79
[INFO] [stderr]     Checking unsafe-any-ors v1.0.0
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking iana-time-zone v0.1.59
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking typemap-ors v1.0.0
[INFO] [stderr]     Checking os_str_bytes v6.6.1
[INFO] [stderr]     Checking log-mdc v0.1.0
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking arc-swap v1.6.0
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking indexmap v2.6.0
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking thread-id v4.2.1
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking textwrap v0.16.0
[INFO] [stderr]     Checking termcolor v1.4.0
[INFO] [stderr]    Compiling syn v2.0.87
[INFO] [stderr]     Checking clap v3.2.25
[INFO] [stderr]     Checking ordered-float v2.10.1
[INFO] [stderr]     Checking chrono v0.4.31
[INFO] [stderr]    Compiling serde_derive v1.0.215
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking thiserror v1.0.56
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking serde_yaml v0.9.34+deprecated
[INFO] [stderr]     Checking serde-value v0.7.0
[INFO] [stderr]     Checking serde_json v1.0.111
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]     Checking yaml-merge-keys v0.6.0
[INFO] [stderr]     Checking log4rs v1.3.0
[INFO] [stderr]     Checking config-items v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, std::string::String>
[INFO] [stdout]   --> src/util.rs:22:24
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let sfile:String = fs::read_to_string(path)?.parse()?;
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/util.rs:22:24
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let sfile:String = fs::read_to_string(path)?.parse()?;
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `config-items` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, std::string::String>
[INFO] [stdout]   --> src/util.rs:22:24
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let sfile:String = fs::read_to_string(path)?.parse()?;
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `config-items` (lib test) due to 2 previous errors
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/util.rs:22:24
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let sfile:String = fs::read_to_string(path)?.parse()?;
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "122372115d48bfc4cdc452b7aee8702b671a36318ea9e19339d266d638d41d4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "122372115d48bfc4cdc452b7aee8702b671a36318ea9e19339d266d638d41d4c", kill_on_drop: false }`
[INFO] [stdout] 122372115d48bfc4cdc452b7aee8702b671a36318ea9e19339d266d638d41d4c