[INFO] fetching crate roq-dec 0.1.0... [INFO] checking roq-dec-0.1.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate roq-dec 0.1.0 into /workspace/builds/worker-7-tc2/source [INFO] started tweaking crates.io crate roq-dec 0.1.0 [INFO] finished tweaking crates.io crate roq-dec 0.1.0 [INFO] tweaked toml for crates.io crate roq-dec 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate roq-dec 0.1.0 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] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 2 packages to latest compatible versions [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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 849cc66780b0c55ce25b25196e690ca799609d0efda27be2e8c567d8efea15ec [INFO] running `Command { std: "docker" "start" "-a" "849cc66780b0c55ce25b25196e690ca799609d0efda27be2e8c567d8efea15ec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "849cc66780b0c55ce25b25196e690ca799609d0efda27be2e8c567d8efea15ec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "849cc66780b0c55ce25b25196e690ca799609d0efda27be2e8c567d8efea15ec", kill_on_drop: false }` [INFO] [stdout] 849cc66780b0c55ce25b25196e690ca799609d0efda27be2e8c567d8efea15ec [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] aa1d13619e4f4b7ef1d42d863e8b1c6cc3cc745ad41ad76aa21a2a212079f1b4 [INFO] running `Command { std: "docker" "start" "-a" "aa1d13619e4f4b7ef1d42d863e8b1c6cc3cc745ad41ad76aa21a2a212079f1b4", kill_on_drop: false }` [INFO] [stderr] Checking roq-dec v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/roq_dec.rs:159:39 [INFO] [stdout] | [INFO] [stdout] 159 | let mut cell_cnt_2x2: usize = ((chunk_arg >> 8) & 0xFF).try_into().unwrap(); [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/roq_dec.rs:160:39 [INFO] [stdout] | [INFO] [stdout] 160 | let mut cell_cnt_4x4: usize = (chunk_arg & 0xFF).try_into().unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/roq_dec.rs:491:22 [INFO] [stdout] | [INFO] [stdout] 491 | pub fn read_next(&mut self) -> Result,RoqError> { [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 491 | pub fn read_next(&mut self) -> Result,RoqError> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `roq-dec` (lib test) due to 2 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/roq_dec.rs:159:39 [INFO] [stdout] | [INFO] [stdout] 159 | let mut cell_cnt_2x2: usize = ((chunk_arg >> 8) & 0xFF).try_into().unwrap(); [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/roq_dec.rs:160:39 [INFO] [stdout] | [INFO] [stdout] 160 | let mut cell_cnt_4x4: usize = (chunk_arg & 0xFF).try_into().unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/roq_dec.rs:491:22 [INFO] [stdout] | [INFO] [stdout] 491 | pub fn read_next(&mut self) -> Result,RoqError> { [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 491 | pub fn read_next(&mut self) -> Result,RoqError> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `roq-dec` (lib) due to 2 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "aa1d13619e4f4b7ef1d42d863e8b1c6cc3cc745ad41ad76aa21a2a212079f1b4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aa1d13619e4f4b7ef1d42d863e8b1c6cc3cc745ad41ad76aa21a2a212079f1b4", kill_on_drop: false }` [INFO] [stdout] aa1d13619e4f4b7ef1d42d863e8b1c6cc3cc745ad41ad76aa21a2a212079f1b4