[INFO] fetching crate dasher 0.3.3... [INFO] checking dasher-0.3.3 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate dasher 0.3.3 into /workspace/builds/worker-2-tc2/source [INFO] started tweaking crates.io crate dasher 0.3.3 [INFO] finished tweaking crates.io crate dasher 0.3.3 [INFO] tweaked toml for crates.io crate dasher 0.3.3 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate dasher 0.3.3 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 dasher 0.3.3 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] 98f7792fc18f4cd45c113f3d941373f10162a20784330b90e646935f273ec72f [INFO] running `Command { std: "docker" "start" "-a" "98f7792fc18f4cd45c113f3d941373f10162a20784330b90e646935f273ec72f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "98f7792fc18f4cd45c113f3d941373f10162a20784330b90e646935f273ec72f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "98f7792fc18f4cd45c113f3d941373f10162a20784330b90e646935f273ec72f", kill_on_drop: false }` [INFO] [stdout] 98f7792fc18f4cd45c113f3d941373f10162a20784330b90e646935f273ec72f [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] 90bb70689539915c2f712f0265c22b5305282196332c2abf72a2b6ce05a2b31c [INFO] running `Command { std: "docker" "start" "-a" "90bb70689539915c2f712f0265c22b5305282196332c2abf72a2b6ce05a2b31c", kill_on_drop: false }` [INFO] [stderr] Compiling typenum v1.16.0 [INFO] [stderr] Compiling generic-array v0.14.6 [INFO] [stderr] Compiling anyhow v1.0.69 [INFO] [stderr] Checking keccak v0.1.3 [INFO] [stderr] Compiling hex-literal v0.3.4 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Checking block-buffer v0.10.3 [INFO] [stderr] Checking crypto-common v0.1.6 [INFO] [stderr] Checking digest v0.10.6 [INFO] [stderr] Checking sha3 v0.10.6 [INFO] [stderr] Checking dasher v0.3.3 (/opt/rustwide/workdir) [INFO] [stdout] error: this type will no longer be must used: ControlFlow, PathBuf> [INFO] [stdout] --> src/main.rs:16:20 [INFO] [stdout] | [INFO] [stdout] 16 | paths.push(PathBuf::try_from(arg)?); [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 [INFO] [stdout] --> src/main.rs:16:20 [INFO] [stdout] | [INFO] [stdout] 16 | paths.push(PathBuf::try_from(arg)?); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: ControlFlow, PathBuf> [INFO] [stdout] --> src/main.rs:16:20 [INFO] [stdout] | [INFO] [stdout] 16 | paths.push(PathBuf::try_from(arg)?); [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 [INFO] [stdout] --> src/main.rs:16:20 [INFO] [stdout] | [INFO] [stdout] 16 | paths.push(PathBuf::try_from(arg)?); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `dasher` (bin "dasher") due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `dasher` (bin "dasher" test) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "90bb70689539915c2f712f0265c22b5305282196332c2abf72a2b6ce05a2b31c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "90bb70689539915c2f712f0265c22b5305282196332c2abf72a2b6ce05a2b31c", kill_on_drop: false }` [INFO] [stdout] 90bb70689539915c2f712f0265c22b5305282196332c2abf72a2b6ce05a2b31c