[INFO] cloning repository https://github.com/fakelag/rs-mailserver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fakelag/rs-mailserver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffakelag%2Frs-mailserver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffakelag%2Frs-mailserver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ec17a88176cbbfb7f43eabcbea19d4a78b893fbb
[INFO] checking fakelag/rs-mailserver against try#c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f for 2025-12-16-next-solver-global
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffakelag%2Frs-mailserver" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/fakelag/rs-mailserver
[INFO] finished tweaking git repo https://github.com/fakelag/rs-mailserver
[INFO] tweaked toml for git repo https://github.com/fakelag/rs-mailserver written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/fakelag/rs-mailserver on toolchain c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/fakelag/rs-mailserver 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" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 731a41bee4bcee173d11d99e19ac58dcbe82a3baa9776c0ab7704177f9ed475f
[INFO] running `Command { std: "docker" "start" "-a" "731a41bee4bcee173d11d99e19ac58dcbe82a3baa9776c0ab7704177f9ed475f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "731a41bee4bcee173d11d99e19ac58dcbe82a3baa9776c0ab7704177f9ed475f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "731a41bee4bcee173d11d99e19ac58dcbe82a3baa9776c0ab7704177f9ed475f", kill_on_drop: false }`
[INFO] [stdout] 731a41bee4bcee173d11d99e19ac58dcbe82a3baa9776c0ab7704177f9ed475f
[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" "-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f1f1d883968e8fe79b1110065b0236b6475316561ff80d8dd968b6c940a65c66
[INFO] running `Command { std: "docker" "start" "-a" "f1f1d883968e8fe79b1110065b0236b6475316561ff80d8dd968b6c940a65c66", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking pin-project-lite v0.2.14
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]    Compiling serde v1.0.204
[INFO] [stderr]     Checking bytes v1.6.1
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking tinyvec v1.8.0
[INFO] [stderr]     Checking unicode-bidi v0.3.15
[INFO] [stderr]    Compiling serde_json v1.0.122
[INFO] [stderr]     Checking ryu v1.0.18
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]     Checking arc-swap v1.7.1
[INFO] [stderr]     Checking sha1_smol v1.0.1
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking socket2 v0.5.7
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking unicode-normalization v0.1.23
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]    Compiling syn v2.0.71
[INFO] [stderr]     Checking url v2.5.2
[INFO] [stderr]    Compiling tokio-macros v2.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.204
[INFO] [stderr]    Compiling async-trait v0.1.81
[INFO] [stderr]     Checking tokio v1.38.1
[INFO] [stderr]     Checking email_address v0.2.7
[INFO] [stderr]     Checking tokio-util v0.7.11
[INFO] [stderr]     Checking combine v4.6.7
[INFO] [stderr]     Checking redis v0.26.1
[INFO] [stderr] error: could not compile `redis` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f/bin/rustc --crate-name redis --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/redis-0.26.1/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="acl"' --cfg 'feature="aio"' --cfg 'feature="async-trait"' --cfg 'feature="bytes"' --cfg 'feature="default"' --cfg 'feature="futures-util"' --cfg 'feature="geospatial"' --cfg 'feature="keep-alive"' --cfg 'feature="pin-project-lite"' --cfg 'feature="script"' --cfg 'feature="sha1_smol"' --cfg 'feature="socket2"' --cfg 'feature="streams"' --cfg 'feature="tokio"' --cfg 'feature="tokio-comp"' --cfg 'feature="tokio-util"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("acl", "ahash", "aio", "async-native-tls", "async-std", "async-std-comp", "async-std-native-tls-comp", "async-std-rustls-comp", "async-std-tls-comp", "async-trait", "bigdecimal", "bytes", "cluster", "cluster-async", "connection-manager", "crc16", "default", "disable-client-setinfo", "futures", "futures-rustls", "futures-util", "geospatial", "json", "keep-alive", "log", "native-tls", "num-bigint", "pin-project-lite", "r2d2", "rand", "rust_decimal", "rustls", "rustls-native-certs", "rustls-pemfile", "rustls-pki-types", "script", "sentinel", "serde", "serde_json", "sha1_smol", "socket2", "streams", "tcp_nodelay", "tls", "tls-native-tls", "tls-rustls", "tls-rustls-insecure", "tls-rustls-webpki-roots", "tokio", "tokio-comp", "tokio-native-tls", "tokio-native-tls-comp", "tokio-retry", "tokio-rustls", "tokio-rustls-comp", "tokio-util", "uuid", "webpki-roots"))' -C metadata=94a5de4d8b343da2 -C extra-filename=-e167b40c0a28aa00 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern arc_swap=/opt/rustwide/target/debug/deps/libarc_swap-f45eb29086487d7e.rmeta --extern async_trait=/opt/rustwide/target/debug/deps/libasync_trait-c096c6f20e59eae2.so --extern bytes=/opt/rustwide/target/debug/deps/libbytes-871ff47c078832da.rmeta --extern combine=/opt/rustwide/target/debug/deps/libcombine-9b466dbb08db7aa5.rmeta --extern futures_util=/opt/rustwide/target/debug/deps/libfutures_util-418ff075e8906b61.rmeta --extern itoa=/opt/rustwide/target/debug/deps/libitoa-7ce56ce506ff1e6f.rmeta --extern num_bigint=/opt/rustwide/target/debug/deps/libnum_bigint-84a61fa42e1a978d.rmeta --extern percent_encoding=/opt/rustwide/target/debug/deps/libpercent_encoding-70e4695576ffb191.rmeta --extern pin_project_lite=/opt/rustwide/target/debug/deps/libpin_project_lite-3fbd9506533b2f53.rmeta --extern ryu=/opt/rustwide/target/debug/deps/libryu-bb602e5b3b9d8008.rmeta --extern sha1_smol=/opt/rustwide/target/debug/deps/libsha1_smol-4e2b7f6914ec1690.rmeta --extern socket2=/opt/rustwide/target/debug/deps/libsocket2-767bb9740eb5bce3.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-616fb0545800d328.rmeta --extern tokio_util=/opt/rustwide/target/debug/deps/libtokio_util-1236ad77b318d08c.rmeta --extern url=/opt/rustwide/target/debug/deps/liburl-ab320d3ccd76084f.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "f1f1d883968e8fe79b1110065b0236b6475316561ff80d8dd968b6c940a65c66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1f1d883968e8fe79b1110065b0236b6475316561ff80d8dd968b6c940a65c66", kill_on_drop: false }`
[INFO] [stdout] f1f1d883968e8fe79b1110065b0236b6475316561ff80d8dd968b6c940a65c66