[INFO] fetching crate border-async-trainer 0.0.6...
[INFO] checking border-async-trainer-0.0.6 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate border-async-trainer 0.0.6 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate border-async-trainer 0.0.6 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate border-async-trainer 0.0.6
[INFO] finished tweaking crates.io crate border-async-trainer 0.0.6
[INFO] tweaked toml for crates.io crate border-async-trainer 0.0.6 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 142 packages
[INFO] [stderr]       Adding aquamarine v0.1.12 (latest: v0.5.0)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding deflate v0.8.6 (latest: v1.0.0)
[INFO] [stderr]       Adding env_logger v0.8.4 (latest: v0.11.3)
[INFO] [stderr]       Adding fastrand v1.9.0 (latest: v2.0.2)
[INFO] [stderr]       Adding gethostname v0.2.3 (latest: v0.4.3)
[INFO] [stderr]       Adding gif v0.11.4 (latest: v0.13.1)
[INFO] [stderr]       Adding hashbrown v0.12.3 (latest: v0.14.3)
[INFO] [stderr]       Adding hermit-abi v0.1.19 (latest: v0.3.9)
[INFO] [stderr]       Adding image v0.23.14 (latest: v0.25.1)
[INFO] [stderr]       Adding indexmap v1.9.3 (latest: v2.2.6)
[INFO] [stderr]       Adding itertools v0.9.0 (latest: v0.12.1)
[INFO] [stderr]       Adding jpeg-decoder v0.1.22 (latest: v0.3.1)
[INFO] [stderr]       Adding miniz_oxide v0.3.7 (latest: v0.7.2)
[INFO] [stderr]       Adding miniz_oxide v0.4.4 (latest: v0.7.2)
[INFO] [stderr]       Adding num-rational v0.3.2 (latest: v0.4.1)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding png v0.16.8 (latest: v0.17.13)
[INFO] [stderr]       Adding protobuf v2.28.0 (latest: v3.4.0)
[INFO] [stderr]       Adding redox_syscall v0.4.1 (latest: v0.5.1)
[INFO] [stderr]       Adding serde v1.0.126 (latest: v1.0.197)
[INFO] [stderr]       Adding serde_derive v1.0.126 (latest: v1.0.197)
[INFO] [stderr]       Adding serde_yaml v0.8.26 (latest: v0.9.34+deprecated)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding tensorboard-rs v0.2.4 (latest: v0.5.9)
[INFO] [stderr]       Adding tiff v0.6.1 (latest: v0.9.1)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding windows-core v0.52.0 (latest: v0.55.0)
[INFO] [stderr]       Adding windows-sys v0.48.0 (latest: v0.52.0)
[INFO] [stderr]       Adding windows-targets v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_gnu v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.4)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded test-log v0.2.15
[INFO] [stderr]   Downloaded test-log-macros v0.2.15
[INFO] [stderr]   Downloaded env_filter v0.1.0
[INFO] [stderr]   Downloaded env_logger v0.11.3
[INFO] [stderr]   Downloaded serde v1.0.126
[INFO] [stderr]   Downloaded serde_derive v1.0.126
[INFO] [stderr]   Downloaded itertools v0.9.0
[INFO] [stderr]   Downloaded aquamarine v0.1.12
[INFO] [stderr]   Downloaded tensorboard-rs v0.2.4
[INFO] [stderr]   Downloaded segment-tree v2.0.0
[INFO] [stderr]   Downloaded border-core v0.0.6
[INFO] [stderr]   Downloaded gethostname v0.2.3
[INFO] [stderr]   Downloaded protobuf v2.28.0
[INFO] [stderr]   Downloaded border-tensorboard v0.0.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 53437f1d33c47ba50ef6f97ce60297ab4d416453f13fd1edc1629f299f4bb623
[INFO] running `Command { std: "docker" "start" "-a" "53437f1d33c47ba50ef6f97ce60297ab4d416453f13fd1edc1629f299f4bb623", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "53437f1d33c47ba50ef6f97ce60297ab4d416453f13fd1edc1629f299f4bb623", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53437f1d33c47ba50ef6f97ce60297ab4d416453f13fd1edc1629f299f4bb623", kill_on_drop: false }`
[INFO] [stdout] 53437f1d33c47ba50ef6f97ce60297ab4d416453f13fd1edc1629f299f4bb623
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 095f3a28f132d8b064582c101324a91d1ead42060c3ea5b9c2f588da90849e4f
[INFO] running `Command { std: "docker" "start" "-a" "095f3a28f132d8b064582c101324a91d1ead42060c3ea5b9c2f588da90849e4f", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking weezl v0.1.8
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling protobuf v2.28.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]     Checking gif v0.11.4
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]     Checking bytemuck v1.15.0
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking gethostname v0.2.3
[INFO] [stderr]     Checking segment-tree v2.0.0
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking env_filter v0.1.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking env_logger v0.11.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.12
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling aquamarine v0.1.12
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling test-log-macros v0.2.15
[INFO] [stderr]    Compiling async-trait v0.1.79
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking tiff v0.6.1
[INFO] [stderr]     Checking test-log v0.2.15
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking thiserror v1.0.58
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]     Checking tensorboard-rs v0.2.4
[INFO] [stderr]     Checking serde_yaml v0.8.26
[INFO] [stderr]     Checking border-core v0.0.6
[INFO] [stderr]     Checking border-tensorboard v0.0.6
[INFO] [stderr]     Checking border-async-trainer v0.0.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 45.68s
[INFO] running `Command { std: "docker" "inspect" "095f3a28f132d8b064582c101324a91d1ead42060c3ea5b9c2f588da90849e4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "095f3a28f132d8b064582c101324a91d1ead42060c3ea5b9c2f588da90849e4f", kill_on_drop: false }`
[INFO] [stdout] 095f3a28f132d8b064582c101324a91d1ead42060c3ea5b9c2f588da90849e4f