[INFO] cloning repository https://github.com/LDM-A/rust-chat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LDM-A/rust-chat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLDM-A%2Frust-chat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLDM-A%2Frust-chat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f73070d0928882263335852f6489a0ebaf459900
[INFO] building LDM-A/rust-chat against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLDM-A%2Frust-chat" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/LDM-A/rust-chat
[INFO] finished tweaking git repo https://github.com/LDM-A/rust-chat
[INFO] tweaked toml for git repo https://github.com/LDM-A/rust-chat written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/LDM-A/rust-chat on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/LDM-A/rust-chat 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 98f4d03d56ddf822dbd86651b60fb0c7f34af4c5b120a25e6df9b2a3c69bf28e
[INFO] running `Command { std: "docker" "start" "-a" "98f4d03d56ddf822dbd86651b60fb0c7f34af4c5b120a25e6df9b2a3c69bf28e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "98f4d03d56ddf822dbd86651b60fb0c7f34af4c5b120a25e6df9b2a3c69bf28e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98f4d03d56ddf822dbd86651b60fb0c7f34af4c5b120a25e6df9b2a3c69bf28e", kill_on_drop: false }`
[INFO] [stdout] 98f4d03d56ddf822dbd86651b60fb0c7f34af4c5b120a25e6df9b2a3c69bf28e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48cc3568202bac29e2ea98e75e2b07d2d4922f38c46df82f077decd2f19320be
[INFO] running `Command { std: "docker" "start" "-a" "48cc3568202bac29e2ea98e75e2b07d2d4922f38c46df82f077decd2f19320be", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.100
[INFO] [stderr]    Compiling bumpalo v3.19.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.100
[INFO] [stderr]    Compiling slab v0.4.10
[INFO] [stderr]    Compiling http v0.2.12
[INFO] [stderr]    Compiling proc-macro2-diagnostics v0.10.1
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling signal-hook-registry v1.4.5
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling socket2 v0.5.10
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling yansi v1.0.1
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.100
[INFO] [stderr]    Compiling uncased v0.9.10
[INFO] [stderr]    Compiling time-macros v0.2.22
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling icu_normalizer v2.0.0
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling pear_codegen v0.2.9
[INFO] [stderr]    Compiling cookie v0.18.1
[INFO] [stderr]    Compiling inlinable_string v0.1.15
[INFO] [stderr]    Compiling ref-cast v1.0.24
[INFO] [stderr]    Compiling tokio v1.45.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling devise_core v0.4.2
[INFO] [stderr]    Compiling idna_adapter v1.2.1
[INFO] [stderr] error: could not compile `serde_json` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/bin/rustc --crate-name serde_json --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_json-1.0.140/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="std"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("alloc", "arbitrary_precision", "default", "float_roundtrip", "indexmap", "preserve_order", "raw_value", "std", "unbounded_depth"))' -C metadata=0d58c965828a1143 -C extra-filename=-b912a1576a4dbd88 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern itoa=/opt/rustwide/target/debug/deps/libitoa-6b76ec393d6a2c41.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-6f5829dadd40eda8.rmeta --extern ryu=/opt/rustwide/target/debug/deps/libryu-0ea4bafc9bef6d8b.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-d47c5c02f25fc839.rmeta --cap-lints allow --cap-lints=forbid --cfg 'fast_arithmetic="64"' --check-cfg 'cfg(fast_arithmetic, values("32", "64"))'` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "48cc3568202bac29e2ea98e75e2b07d2d4922f38c46df82f077decd2f19320be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48cc3568202bac29e2ea98e75e2b07d2d4922f38c46df82f077decd2f19320be", kill_on_drop: false }`
[INFO] [stdout] 48cc3568202bac29e2ea98e75e2b07d2d4922f38c46df82f077decd2f19320be