[INFO] fetching crate smart-path 0.4.1... [INFO] checking smart-path-0.4.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate smart-path 0.4.1 into /workspace/builds/worker-1-tc2/source [INFO] started tweaking crates.io crate smart-path 0.4.1 [INFO] finished tweaking crates.io crate smart-path 0.4.1 [INFO] tweaked toml for crates.io crate smart-path 0.4.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate smart-path 0.4.1 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 62 packages to latest compatible versions [INFO] [stderr] Adding criterion v0.3.6 (available: v0.7.0) [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] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 1139858ff37d77ab6250e79d2ddb27b0f92fc79d3a56ce00c9b4cd7a5a369ad8 [INFO] running `Command { std: "docker" "start" "-a" "1139858ff37d77ab6250e79d2ddb27b0f92fc79d3a56ce00c9b4cd7a5a369ad8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1139858ff37d77ab6250e79d2ddb27b0f92fc79d3a56ce00c9b4cd7a5a369ad8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1139858ff37d77ab6250e79d2ddb27b0f92fc79d3a56ce00c9b4cd7a5a369ad8", kill_on_drop: false }` [INFO] [stdout] 1139858ff37d77ab6250e79d2ddb27b0f92fc79d3a56ce00c9b4cd7a5a369ad8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 1a7a6c7545a85c9c293ae7748042ead826758aff05492eddafc124cafaeacf7a [INFO] running `Command { std: "docker" "start" "-a" "1a7a6c7545a85c9c293ae7748042ead826758aff05492eddafc124cafaeacf7a", kill_on_drop: false }` [INFO] [stderr] Checking serde_json v1.0.145 [INFO] [stderr] Checking smart-path v0.4.1 (/opt/rustwide/workdir) [INFO] [stderr] Checking serde_cbor v0.11.2 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/s_path_buf.rs:348:53 [INFO] [stdout] | [INFO] [stdout] 348 | fn from_str(s: &str) -> Result { [INFO] [stdout] | _____________________________________________________^ [INFO] [stdout] 349 | | Ok(SmartPathBuf::from(s)) [INFO] [stdout] 350 | | } [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/s_path_buf.rs:349:9 [INFO] [stdout] | [INFO] [stdout] 349 | Ok(SmartPathBuf::from(s)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/s_path_buf.rs:563:17 [INFO] [stdout] | [INFO] [stdout] 563 | SmartPathBuf::from_str(&p).unwrap_or_default() [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 569 | / index_mut_smartpath_impl!( [INFO] [stdout] 570 | | RangeFull, [INFO] [stdout] 571 | | #[doc="Returns a new `SmartPath` from the range provided"] [INFO] [stdout] 572 | | ); [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `index_mut_smartpath_impl` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/s_path_buf.rs:563:17 [INFO] [stdout] | [INFO] [stdout] 563 | SmartPathBuf::from_str(&p).unwrap_or_default() [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 574 | / index_mut_smartpath_impl!( [INFO] [stdout] 575 | | RangeTo, [INFO] [stdout] 576 | | #[doc="Returns a new `SmartPath` from the range provided"] [INFO] [stdout] 577 | | ); [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `index_mut_smartpath_impl` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/s_path_buf.rs:601:9 [INFO] [stdout] | [INFO] [stdout] 601 | SmartPathBuf::from_str(&p).unwrap_or_default() [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/s_path_buf.rs:626:9 [INFO] [stdout] | [INFO] [stdout] 626 | SmartPathBuf::from_str(&p).unwrap_or_default() [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `smart-path` (lib) due to 6 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "1a7a6c7545a85c9c293ae7748042ead826758aff05492eddafc124cafaeacf7a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1a7a6c7545a85c9c293ae7748042ead826758aff05492eddafc124cafaeacf7a", kill_on_drop: false }` [INFO] [stdout] 1a7a6c7545a85c9c293ae7748042ead826758aff05492eddafc124cafaeacf7a