[INFO] fetching crate crabchess 0.1.15...
[INFO] checking crabchess-0.1.15 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate crabchess 0.1.15 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate crabchess 0.1.15 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 crabchess 0.1.15
[INFO] finished tweaking crates.io crate crabchess 0.1.15
[INFO] tweaked toml for crates.io crate crabchess 0.1.15 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 59 packages to latest compatible versions
[INFO] [stderr]       Adding compact_str v0.7.1 (available: v0.8.0)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.77)
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 8c11022666f3be05fdc2221ed35514b795fb760b12866f0932a30572824c98c8
[INFO] running `Command { std: "docker" "start" "-a" "8c11022666f3be05fdc2221ed35514b795fb760b12866f0932a30572824c98c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c11022666f3be05fdc2221ed35514b795fb760b12866f0932a30572824c98c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c11022666f3be05fdc2221ed35514b795fb760b12866f0932a30572824c98c8", kill_on_drop: false }`
[INFO] [stdout] 8c11022666f3be05fdc2221ed35514b795fb760b12866f0932a30572824c98c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] ea1c90a3f4524309f5b857e82a4162092458b76d95dbecdab49d8fe05916c3e4
[INFO] running `Command { std: "docker" "start" "-a" "ea1c90a3f4524309f5b857e82a4162092458b76d95dbecdab49d8fe05916c3e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling libc v0.2.159
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling rustversion v1.0.17
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling anyhow v1.0.89
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]    Compiling thiserror v1.0.64
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking ryu v1.0.18
[INFO] [stderr]    Compiling cc v1.1.21
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking ufmt-write v0.1.0
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]    Compiling serde_json v1.0.128
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]     Checking textwrap v0.16.1
[INFO] [stderr]     Checking fastrand v2.1.1
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking castaway v0.2.3
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]     Checking compact_str v0.7.1
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling libmimalloc-sys v0.1.39
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking mimalloc v0.1.43
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]    Compiling thiserror-impl v1.0.64
[INFO] [stderr]    Compiling ufmt-macros v0.3.0
[INFO] [stderr]     Checking ufmt v0.2.0
[INFO] [stderr]     Checking crabchess v0.1.15 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.21s
[INFO] running `Command { std: "docker" "inspect" "ea1c90a3f4524309f5b857e82a4162092458b76d95dbecdab49d8fe05916c3e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea1c90a3f4524309f5b857e82a4162092458b76d95dbecdab49d8fe05916c3e4", kill_on_drop: false }`
[INFO] [stdout] ea1c90a3f4524309f5b857e82a4162092458b76d95dbecdab49d8fe05916c3e4