[INFO] fetching crate mlem-asm 0.1.0... [INFO] checking mlem-asm-0.1.0 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141 [INFO] extracting crate mlem-asm 0.1.0 into /workspace/builds/worker-78/source [INFO] validating manifest of crates.io crate mlem-asm 0.1.0 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate mlem-asm 0.1.0 [INFO] finished tweaking crates.io crate mlem-asm 0.1.0 [INFO] tweaked toml for crates.io crate mlem-asm 0.1.0 written to /workspace/builds/worker-78/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded mlem v0.1.0 [INFO] [stderr] Downloaded serde_cbor v0.5.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9f5e8e0f37888152621aada5a847cc7a86a0ec06d9d98887e9d7b56a15f572b8 [INFO] running `Command { std: "docker" "start" "-a" "9f5e8e0f37888152621aada5a847cc7a86a0ec06d9d98887e9d7b56a15f572b8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9f5e8e0f37888152621aada5a847cc7a86a0ec06d9d98887e9d7b56a15f572b8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9f5e8e0f37888152621aada5a847cc7a86a0ec06d9d98887e9d7b56a15f572b8", kill_on_drop: false }` [INFO] [stdout] 9f5e8e0f37888152621aada5a847cc7a86a0ec06d9d98887e9d7b56a15f572b8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cd88ec3cbc85ecb93476c17522d98bddcabd59e1348380ca1d8ba4274249c566 [INFO] running `Command { std: "docker" "start" "-a" "cd88ec3cbc85ecb93476c17522d98bddcabd59e1348380ca1d8ba4274249c566", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Compiling quote v0.3.15 [INFO] [stderr] Checking serde v0.9.15 [INFO] [stderr] Compiling synom v0.11.3 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Compiling serde_codegen_internals v0.14.2 [INFO] [stderr] Compiling serde_derive v0.9.15 [INFO] [stderr] Checking serde_cbor v0.5.2 [INFO] [stderr] Checking mlem v0.1.0 [INFO] [stderr] Checking mlem-asm v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:59:51 [INFO] [stdout] | [INFO] [stdout] 59 | pub fn program_to_writer(p: &Program, mut w: &mut Write) -> Result<(), serde_cbor::Error> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Write` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:59:51 [INFO] [stdout] | [INFO] [stdout] 59 | pub fn program_to_writer(p: &Program, mut w: &mut Write) -> Result<(), serde_cbor::Error> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Write` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `arg3` is assigned to, but never used [INFO] [stdout] --> src/parse/mod.rs:36:13 [INFO] [stdout] | [INFO] [stdout] 36 | let mut arg3 = None; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] = note: consider using `_arg3` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `arg3` is never read [INFO] [stdout] --> src/parse/mod.rs:70:24 [INFO] [stdout] | [INFO] [stdout] 70 | Ok(v) => { arg3 = Some(v); }, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `arg3` is assigned to, but never used [INFO] [stdout] --> src/parse/mod.rs:36:13 [INFO] [stdout] | [INFO] [stdout] 36 | let mut arg3 = None; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] = note: consider using `_arg3` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `arg3` is never read [INFO] [stdout] --> src/parse/mod.rs:70:24 [INFO] [stdout] | [INFO] [stdout] 70 | Ok(v) => { arg3 = Some(v); }, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused comparison that must be used [INFO] [stdout] --> src/lex.rs:25:17 [INFO] [stdout] | [INFO] [stdout] 25 | state == LexState::Done; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ the comparison produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 25 | let _ = state == LexState::Done; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused comparison that must be used [INFO] [stdout] --> src/lex.rs:25:17 [INFO] [stdout] | [INFO] [stdout] 25 | state == LexState::Done; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ the comparison produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 25 | let _ = state == LexState::Done; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 9.28s [INFO] running `Command { std: "docker" "inspect" "cd88ec3cbc85ecb93476c17522d98bddcabd59e1348380ca1d8ba4274249c566", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cd88ec3cbc85ecb93476c17522d98bddcabd59e1348380ca1d8ba4274249c566", kill_on_drop: false }` [INFO] [stdout] cd88ec3cbc85ecb93476c17522d98bddcabd59e1348380ca1d8ba4274249c566