[INFO] fetching crate mbryant-aoc2021 0.25.1... [INFO] checking mbryant-aoc2021-0.25.1 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate mbryant-aoc2021 0.25.1 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate mbryant-aoc2021 0.25.1 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 mbryant-aoc2021 0.25.1 [INFO] finished tweaking crates.io crate mbryant-aoc2021 0.25.1 [INFO] tweaked toml for crates.io crate mbryant-aoc2021 0.25.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate crates.io crate mbryant-aoc2021 0.25.1 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" "+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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 3a8607f36e378ea84bc7070f897bf3701fdbe81d31d3b2812b15bf3a02e5df41 [INFO] running `Command { std: "docker" "start" "-a" "3a8607f36e378ea84bc7070f897bf3701fdbe81d31d3b2812b15bf3a02e5df41", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3a8607f36e378ea84bc7070f897bf3701fdbe81d31d3b2812b15bf3a02e5df41", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3a8607f36e378ea84bc7070f897bf3701fdbe81d31d3b2812b15bf3a02e5df41", kill_on_drop: false }` [INFO] [stdout] 3a8607f36e378ea84bc7070f897bf3701fdbe81d31d3b2812b15bf3a02e5df41 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 73cdb980afd5e7b188cfd413a69e13a50df90de4f5b8a5fc8085c96e3b282672 [INFO] running `Command { std: "docker" "start" "-a" "73cdb980afd5e7b188cfd413a69e13a50df90de4f5b8a5fc8085c96e3b282672", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.108 [INFO] [stderr] Compiling proc-macro2 v1.0.32 [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Compiling semver v1.0.4 [INFO] [stderr] Compiling syn v1.0.82 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling crossbeam-epoch v0.9.5 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling ryu v1.0.6 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Checking itertools v0.10.1 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Compiling indexmap v1.7.0 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling serde_json v1.0.72 [INFO] [stderr] Compiling cast v0.2.7 [INFO] [stderr] Compiling argh_shared v0.1.6 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Checking crossbeam-deque v0.8.1 [INFO] [stderr] Checking crossbeam-channel v0.5.1 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Compiling serde_derive v1.0.130 [INFO] [stderr] Checking plotters-backend v0.3.2 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking plotters-svg v0.3.1 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Checking colored v2.0.0 [INFO] [stderr] Checking half v1.8.2 [INFO] [stderr] Checking bit v0.1.1 [INFO] [stderr] Checking arrayvec v0.7.2 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking criterion-plot v0.4.4 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Checking plotters v0.3.1 [INFO] [stderr] Checking bstr v0.2.17 [INFO] [stderr] Checking serde_cbor v0.11.2 [INFO] [stderr] Compiling argh_derive v0.1.6 [INFO] [stderr] Checking csv v1.1.6 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking argh v0.1.6 [INFO] [stderr] Checking mbryant-aoc2021 v0.25.1 (/opt/rustwide/workdir) [INFO] [stderr] Checking criterion v0.3.5 [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.83s [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" "73cdb980afd5e7b188cfd413a69e13a50df90de4f5b8a5fc8085c96e3b282672", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "73cdb980afd5e7b188cfd413a69e13a50df90de4f5b8a5fc8085c96e3b282672", kill_on_drop: false }` [INFO] [stdout] 73cdb980afd5e7b188cfd413a69e13a50df90de4f5b8a5fc8085c96e3b282672