[INFO] cloning repository https://github.com/raycar5/orderbook-challenge
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/raycar5/orderbook-challenge" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraycar5%2Forderbook-challenge", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraycar5%2Forderbook-challenge'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8c26a1882e0934b61963dd66d86c734924e43276
[INFO] checking raycar5/orderbook-challenge against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraycar5%2Forderbook-challenge" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/raycar5/orderbook-challenge on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-6/source/.cargo/config
[INFO] started tweaking git repo https://github.com/raycar5/orderbook-challenge
[INFO] finished tweaking git repo https://github.com/raycar5/orderbook-challenge
[INFO] tweaked toml for git repo https://github.com/raycar5/orderbook-challenge written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/raycar5/orderbook-challenge already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c318c91ff6569e19fa8d4821c1b602b50f139d4582c876a46711bc88efbf76e7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c318c91ff6569e19fa8d4821c1b602b50f139d4582c876a46711bc88efbf76e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c318c91ff6569e19fa8d4821c1b602b50f139d4582c876a46711bc88efbf76e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c318c91ff6569e19fa8d4821c1b602b50f139d4582c876a46711bc88efbf76e7", kill_on_drop: false }`
[INFO] [stdout] c318c91ff6569e19fa8d4821c1b602b50f139d4582c876a46711bc88efbf76e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2e3b0083bacd9d51e90e9ed7c86a58c21807129d003ac95b8181a66bb3460c20
[INFO] running `Command { std: "docker" "start" "-a" "2e3b0083bacd9d51e90e9ed7c86a58c21807129d003ac95b8181a66bb3460c20", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking pin-project-lite v0.2.0
[INFO] [stderr]    Compiling getrandom v0.2.1
[INFO] [stderr]    Compiling anyhow v1.0.35
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling openssl v0.10.31
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling native-tls v0.2.6
[INFO] [stderr]    Compiling multimap v0.8.2
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling regex-syntax v0.6.22
[INFO] [stderr]     Checking tower-layer v0.3.1
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]     Checking compare v0.1.0
[INFO] [stderr]     Checking fast-float v0.2.0
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking thread_local v1.1.0
[INFO] [stderr]     Checking futures-channel v0.3.8
[INFO] [stderr]     Checking futures-task v0.3.8
[INFO] [stderr]     Checking form_urlencoded v1.0.0
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]     Checking http v0.2.2
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking binary-heap-plus v0.4.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling tokio v1.0.2
[INFO] [stderr]    Compiling openssl-sys v0.9.59
[INFO] [stderr]    Compiling hashbrown v0.7.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]     Checking sha-1 v0.9.2
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling better-macro v1.0.4
[INFO] [stderr]     Checking mio v0.7.7
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking socket2 v0.3.18
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]     Checking rand_core v0.6.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]     Checking env_logger v0.8.2
[INFO] [stderr]     Checking rand v0.8.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]     Checking float-cmp v0.7.0
[INFO] [stderr]     Checking http-body v0.4.0
[INFO] [stderr]     Checking quickcheck v1.0.3
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling variant_count v1.0.0
[INFO] [stderr]     Checking tungstenite v0.12.0
[INFO] [stderr]    Compiling tokio-macros v1.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling prost-derive v0.7.0
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling async-stream-impl v0.3.0
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]    Compiling derivative v2.1.3
[INFO] [stderr]    Compiling parse-display-derive v0.4.1
[INFO] [stderr]    Compiling quickcheck_macros v1.0.0
[INFO] [stderr]     Checking async-stream v0.3.0
[INFO] [stderr] error: could not compile `serde_derive`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name serde_derive /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_derive-1.0.118/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' -C metadata=cac2873b75ae2040 -C extra-filename=-cac2873b75ae2040 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-ba80430fb18d8252.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-42bf3df2a4136a24.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-a71c0d22b26e2260.rlib --extern proc_macro --cap-lints allow --cap-lints=forbid --cfg underscore_consts` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "2e3b0083bacd9d51e90e9ed7c86a58c21807129d003ac95b8181a66bb3460c20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e3b0083bacd9d51e90e9ed7c86a58c21807129d003ac95b8181a66bb3460c20", kill_on_drop: false }`
[INFO] [stdout] 2e3b0083bacd9d51e90e9ed7c86a58c21807129d003ac95b8181a66bb3460c20