[INFO] fetching crate reed-solomon-16 0.1.0...
[INFO] checking reed-solomon-16-0.1.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate reed-solomon-16 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate reed-solomon-16 0.1.0 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate reed-solomon-16 0.1.0
[INFO] finished tweaking crates.io crate reed-solomon-16 0.1.0
[INFO] tweaked toml for crates.io crate reed-solomon-16 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate reed-solomon-16 0.1.0 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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 48dc0526ff8baac873921d8fb3398b2b3aa73c6270e97461025f700ea6a6d30a
[INFO] running `Command { std: "docker" "start" "-a" "48dc0526ff8baac873921d8fb3398b2b3aa73c6270e97461025f700ea6a6d30a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48dc0526ff8baac873921d8fb3398b2b3aa73c6270e97461025f700ea6a6d30a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48dc0526ff8baac873921d8fb3398b2b3aa73c6270e97461025f700ea6a6d30a", kill_on_drop: false }`
[INFO] [stdout] 48dc0526ff8baac873921d8fb3398b2b3aa73c6270e97461025f700ea6a6d30a
[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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 07608ecc8dcc56fefba781a8cad4c0db9fee1b24e999301337ed3e595fbc89b4
[INFO] running `Command { std: "docker" "start" "-a" "07608ecc8dcc56fefba781a8cad4c0db9fee1b24e999301337ed3e595fbc89b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling proc-macro2 v1.0.34
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.83
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling serde v1.0.132
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]    Compiling readme-rustdocifier v0.1.0
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling static_init_macro v0.5.0
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]    Compiling serde_json v1.0.73
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling static_init v0.5.2
[INFO] [stderr]    Compiling serde_derive v1.0.132
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]     Checking plotters-backend v0.3.2
[INFO] [stderr]    Compiling fs-err v2.6.0
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking plotters-svg v0.3.1
[INFO] [stderr]     Checking crypto-common v0.1.1
[INFO] [stderr]     Checking block-buffer v0.10.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling reed-solomon-16 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking ppv-lite86 v0.2.15
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking criterion-plot v0.4.4
[INFO] [stderr]    Compiling reed-solomon-erasure v5.0.1
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking plotters v0.3.1
[INFO] [stderr]     Checking digest v0.10.1
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking bytemuck v1.7.3
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking fixedbitset v0.4.0
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking cpufeatures v0.2.1
[INFO] [stderr]     Checking spin v0.9.2
[INFO] [stderr]     Checking sha2 v0.10.0
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling reed-solomon-novelpoly v1.0.0
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking criterion v0.3.5
[INFO] [stdout] warning: method `contains` is never used
[INFO] [stdout]   --> src/test_util.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub(crate) trait IntOrRange {
[INFO] [stdout]    |                  ---------- method in this trait
[INFO] [stdout] 17 |     fn contains(&self, item: usize) -> bool;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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 48.41s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.5
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "07608ecc8dcc56fefba781a8cad4c0db9fee1b24e999301337ed3e595fbc89b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07608ecc8dcc56fefba781a8cad4c0db9fee1b24e999301337ed3e595fbc89b4", kill_on_drop: false }`
[INFO] [stdout] 07608ecc8dcc56fefba781a8cad4c0db9fee1b24e999301337ed3e595fbc89b4