[INFO] fetching crate coursehku 1.0.0...
[INFO] checking coursehku-1.0.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate coursehku 1.0.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate coursehku 1.0.0 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 coursehku 1.0.0
[INFO] finished tweaking crates.io crate coursehku 1.0.0
[INFO] tweaked toml for crates.io crate coursehku 1.0.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate coursehku 1.0.0 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] f6a6860d3baaa50ace6a8792589fefc5a7d994ab3c4c076ab29a7a02c78cb78b
[INFO] running `Command { std: "docker" "start" "-a" "f6a6860d3baaa50ace6a8792589fefc5a7d994ab3c4c076ab29a7a02c78cb78b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6a6860d3baaa50ace6a8792589fefc5a7d994ab3c4c076ab29a7a02c78cb78b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6a6860d3baaa50ace6a8792589fefc5a7d994ab3c4c076ab29a7a02c78cb78b", kill_on_drop: false }`
[INFO] [stdout] f6a6860d3baaa50ace6a8792589fefc5a7d994ab3c4c076ab29a7a02c78cb78b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 362b4377a73670ce8fcc8f04c5f4347f1bad374c4078c475809ab799506e0ab3
[INFO] running `Command { std: "docker" "start" "-a" "362b4377a73670ce8fcc8f04c5f4347f1bad374c4078c475809ab799506e0ab3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.74
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling crossbeam-utils v0.8.18
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling ahash v0.8.7
[INFO] [stderr]    Compiling target-features v0.1.5
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking zerocopy v0.7.32
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]    Compiling smartstring v1.0.1
[INFO] [stderr]     Checking allocator-api2 v0.2.16
[INFO] [stderr]     Checking crossbeam-epoch v0.9.17
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking crossbeam-deque v0.8.4
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling syn v2.0.46
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling polars-utils v0.36.2
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]     Checking iana-time-zone v0.1.59
[INFO] [stderr]     Checking simdutf8 v0.1.4
[INFO] [stderr]     Checking chrono v0.4.31
[INFO] [stderr]     Checking rayon v1.8.0
[INFO] [stderr]    Compiling polars-arrow v0.36.2
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]     Checking smallvec v1.11.2
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking strength_reduce v0.2.4
[INFO] [stderr]     Checking atoi_simd v0.15.6
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]     Checking foreign_vec v0.1.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking dyn-clone v1.0.16
[INFO] [stderr]     Checking ethnum v1.5.0
[INFO] [stderr]     Checking ryu v1.0.16
[INFO] [stderr]     Checking fast-float v0.2.0
[INFO] [stderr]     Checking streaming-iterator v0.1.9
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling polars-compute v0.36.2
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]     Checking crossterm v0.27.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling polars-core v0.36.2
[INFO] [stderr]     Checking strum v0.25.0
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]    Compiling polars-ops v0.36.2
[INFO] [stderr]     Checking xxhash-rust v0.8.8
[INFO] [stderr]     Checking argminmax v0.6.1
[INFO] [stderr]     Checking now v0.1.3
[INFO] [stderr]     Checking atoi v2.0.0
[INFO] [stderr]     Checking memmap2 v0.7.1
[INFO] [stderr]    Compiling polars-plan v0.36.2
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]     Checking home v0.5.9
[INFO] [stderr]    Compiling polars-lazy v0.36.2
[INFO] [stderr]    Compiling polars v0.36.2
[INFO] [stderr]    Compiling serde v1.0.195
[INFO] [stderr]     Checking glob v0.3.1
[INFO] [stderr]     Checking indexmap v2.1.0
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]    Compiling bytemuck_derive v1.5.0
[INFO] [stderr]    Compiling strum_macros v0.25.3
[INFO] [stderr]    Compiling serde_derive v1.0.195
[INFO] [stderr]    Compiling multiversion-macros v0.7.3
[INFO] [stderr]     Checking bytemuck v1.14.0
[INFO] [stderr]     Checking polars-error v0.36.2
[INFO] [stderr]     Checking comfy-table v7.1.0
[INFO] [stderr]     Checking multiversion v0.7.3
[INFO] [stderr]     Checking polars-row v0.36.2
[INFO] [stderr]     Checking polars-time v0.36.2
[INFO] [stderr]     Checking polars-io v0.36.2
[INFO] [stderr]     Checking coursehku v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 42.84s
[INFO] running `Command { std: "docker" "inspect" "362b4377a73670ce8fcc8f04c5f4347f1bad374c4078c475809ab799506e0ab3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "362b4377a73670ce8fcc8f04c5f4347f1bad374c4078c475809ab799506e0ab3", kill_on_drop: false }`
[INFO] [stdout] 362b4377a73670ce8fcc8f04c5f4347f1bad374c4078c475809ab799506e0ab3