[INFO] fetching crate mappings 0.7.1...
[INFO] checking mappings-0.7.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate mappings 0.7.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate mappings 0.7.1
[INFO] finished tweaking crates.io crate mappings 0.7.1
[INFO] tweaked toml for crates.io crate mappings 0.7.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mappings 0.7.1 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 mappings 0.7.1 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 4f95de12da5cece14d3a2781b11f7887f9f1fd129c28b76591be4e91820f6f47
[INFO] running `Command { std: "docker" "start" "-a" "4f95de12da5cece14d3a2781b11f7887f9f1fd129c28b76591be4e91820f6f47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f95de12da5cece14d3a2781b11f7887f9f1fd129c28b76591be4e91820f6f47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f95de12da5cece14d3a2781b11f7887f9f1fd129c28b76591be4e91820f6f47", kill_on_drop: false }`
[INFO] [stdout] 4f95de12da5cece14d3a2781b11f7887f9f1fd129c28b76591be4e91820f6f47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 7eb1de27e0e9f1fd060b72afd147c8a309c3497125cc918eca510db0ece76424
[INFO] running `Command { std: "docker" "start" "-a" "7eb1de27e0e9f1fd060b72afd147c8a309c3497125cc918eca510db0ece76424", kill_on_drop: false }`
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]     Checking crc32fast v1.5.0
[INFO] [stderr]     Checking bytes v1.10.1
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking flate2 v1.1.2
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]    Compiling prost-derive v0.13.5
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking prost v0.13.5
[INFO] [stderr]     Checking pprof_util v0.8.0
[INFO] [stderr]     Checking mappings v0.7.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, PathBuf>
[INFO] [stdout]    --> src/lib.rs:290:12
[INFO] [stdout]     |
[INFO] [stdout] 290 |         Ok(PathBuf::from_str(progname)?)
[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 `mappings` (lib test) due to 2 previous errors
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/lib.rs:290:12
[INFO] [stdout]     |
[INFO] [stdout] 290 |         Ok(PathBuf::from_str(progname)?)
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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>, PathBuf>
[INFO] [stdout]    --> src/lib.rs:290:12
[INFO] [stdout]     |
[INFO] [stdout] 290 |         Ok(PathBuf::from_str(progname)?)
[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 `mappings` (lib) due to 2 previous errors
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/lib.rs:290:12
[INFO] [stdout]     |
[INFO] [stdout] 290 |         Ok(PathBuf::from_str(progname)?)
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7eb1de27e0e9f1fd060b72afd147c8a309c3497125cc918eca510db0ece76424", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7eb1de27e0e9f1fd060b72afd147c8a309c3497125cc918eca510db0ece76424", kill_on_drop: false }`
[INFO] [stdout] 7eb1de27e0e9f1fd060b72afd147c8a309c3497125cc918eca510db0ece76424
