[INFO] fetching crate ezcbor 0.1.4... [INFO] checking ezcbor-0.1.4 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate ezcbor 0.1.4 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate ezcbor 0.1.4 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate ezcbor 0.1.4 [INFO] finished tweaking crates.io crate ezcbor 0.1.4 [INFO] tweaked toml for crates.io crate ezcbor 0.1.4 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 78 packages to latest compatible versions [INFO] [stderr] Adding anes v0.1.6 (available: v0.2.0) [INFO] [stderr] Adding itertools v0.10.5 (available: v0.13.0) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1) [INFO] [stderr] Adding windows-sys v0.52.0 (available: v0.59.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1441bf4dcfa6e3ce673f6fcf8631949c023e8c2c22531491a04d1a03a44bfdd5 [INFO] running `Command { std: "docker" "start" "-a" "1441bf4dcfa6e3ce673f6fcf8631949c023e8c2c22531491a04d1a03a44bfdd5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1441bf4dcfa6e3ce673f6fcf8631949c023e8c2c22531491a04d1a03a44bfdd5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1441bf4dcfa6e3ce673f6fcf8631949c023e8c2c22531491a04d1a03a44bfdd5", kill_on_drop: false }` [INFO] [stdout] 1441bf4dcfa6e3ce673f6fcf8631949c023e8c2c22531491a04d1a03a44bfdd5 [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 -Dtail_expr_drop_order" "-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0a7245da35c28bca12f5d366f9983f4388abf93d4d44a7bb13e1bcdef210e64b [INFO] running `Command { std: "docker" "start" "-a" "0a7245da35c28bca12f5d366f9983f4388abf93d4d44a7bb13e1bcdef210e64b", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.8.20 [INFO] [stderr] Compiling serde v1.0.210 [INFO] [stderr] Checking either v1.13.0 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Compiling syn v2.0.79 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Checking half v2.4.1 [INFO] [stderr] Checking ciborium-io v0.2.2 [INFO] [stderr] Checking anstyle v1.0.8 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Checking plotters-backend v0.3.7 [INFO] [stderr] Checking clap_lex v0.7.2 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking regex-automata v0.4.7 [INFO] [stderr] Checking clap_builder v4.5.18 [INFO] [stderr] Checking ciborium-ll v0.2.2 [INFO] [stderr] Checking plotters-svg v0.3.7 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking cast v0.3.0 [INFO] [stderr] Checking crossbeam-deque v0.8.5 [INFO] [stderr] Checking walkdir v2.5.0 [INFO] [stderr] Checking oorandom v11.1.4 [INFO] [stderr] Checking anes v0.1.6 [INFO] [stderr] Checking ezcbor v0.1.4 (/opt/rustwide/workdir) [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Checking plotters v0.3.7 [INFO] [stderr] Checking clap v4.5.18 [INFO] [stderr] Checking criterion-plot v0.5.0 [INFO] [stderr] Checking regex v1.10.6 [INFO] [stderr] Compiling serde_derive v1.0.210 [INFO] [stderr] Compiling zerocopy-derive v0.7.35 [INFO] [stderr] Checking zerocopy v0.7.35 [INFO] [stderr] Checking ppv-lite86 v0.2.20 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking serde_json v1.0.128 [INFO] [stderr] Checking ciborium v0.2.2 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking criterion v0.5.1 [INFO] [stdout] warning: unused import: `rand::rngs::ThreadRng` [INFO] [stdout] --> benches/my_benchmark.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use rand::rngs::ThreadRng; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rng` [INFO] [stdout] --> benches/my_benchmark.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 12 | let rng = rand::thread_rng(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_rng` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `bytes` [INFO] [stdout] --> benches/my_benchmark.rs:18:13 [INFO] [stdout] | [INFO] [stdout] 18 | let bytes = large_vec.to_cbor_bytes(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `decoded_vec` [INFO] [stdout] --> benches/my_benchmark.rs:22:13 [INFO] [stdout] | [INFO] [stdout] 22 | let decoded_vec: Vec = decode_cbor(&bytes).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_decoded_vec` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/cbor.rs:1004:13 [INFO] [stdout] | [INFO] [stdout] 1004 | let mut item = Item::Int(vec![1,2,10]); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.98s [INFO] running `Command { std: "docker" "inspect" "0a7245da35c28bca12f5d366f9983f4388abf93d4d44a7bb13e1bcdef210e64b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0a7245da35c28bca12f5d366f9983f4388abf93d4d44a7bb13e1bcdef210e64b", kill_on_drop: false }` [INFO] [stdout] 0a7245da35c28bca12f5d366f9983f4388abf93d4d44a7bb13e1bcdef210e64b