[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, 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 [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, 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 [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