[INFO] cloning repository https://github.com/blt/file_gen
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/blt/file_gen" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblt%2Ffile_gen", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblt%2Ffile_gen'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a5d6b5d89b8c9cce36fbf504659e6438140e1614
[INFO] checking blt/file_gen against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblt%2Ffile_gen" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/blt/file_gen on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/blt/file_gen
[INFO] finished tweaking git repo https://github.com/blt/file_gen
[INFO] tweaked toml for git repo https://github.com/blt/file_gen written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/blt/file_gen already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 02a9833723ec3151731a4333a89b1d7d7f43adf89a07938b59828b2ee21bfd6d
[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" "02a9833723ec3151731a4333a89b1d7d7f43adf89a07938b59828b2ee21bfd6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02a9833723ec3151731a4333a89b1d7d7f43adf89a07938b59828b2ee21bfd6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02a9833723ec3151731a4333a89b1d7d7f43adf89a07938b59828b2ee21bfd6d", kill_on_drop: false }`
[INFO] [stdout] 02a9833723ec3151731a4333a89b1d7d7f43adf89a07938b59828b2ee21bfd6d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 121f94b873ac4e19abb8a7ec95a94d3decf34f2254df8f643814ba1e5a552a2f
[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" "121f94b873ac4e19abb8a7ec95a94d3decf34f2254df8f643814ba1e5a552a2f", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling httparse v1.4.1
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking httpdate v1.0.1
[INFO] [stderr]    Compiling argh_shared v0.1.5
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]     Checking utf8-width v0.1.5
[INFO] [stderr]     Checking nonzero_ext v0.2.0
[INFO] [stderr]    Compiling ahash v0.7.4
[INFO] [stderr]     Checking instant v0.1.10
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]     Checking crossbeam-utils v0.8.5
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking quanta v0.4.1
[INFO] [stderr]     Checking dashmap v4.0.2
[INFO] [stderr]     Checking http v0.2.4
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling tokio v1.10.0
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking raw-cpuid v9.1.1
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling rdkafka-sys v4.0.0+1.6.1
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]     Checking crossbeam-epoch v0.9.5
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking no-std-compat v0.4.1
[INFO] [stderr]     Checking rayon-core v1.9.1
[INFO] [stderr]     Checking quanta v0.7.2
[INFO] [stderr]     Checking ordered-float v2.7.0
[INFO] [stderr]     Checking rmp v0.8.10
[INFO] [stderr]     Checking http-body v0.4.2
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking quickcheck v1.0.3
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling metrics-macros v0.4.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling argh_derive v0.1.5
[INFO] [stderr]    Compiling serde_tuple_macros v0.5.0
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling derive_arbitrary v1.0.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]     Checking arbitrary v1.0.1
[INFO] [stderr]     Checking metrics v0.17.0
[INFO] [stderr]     Checking metrics-util v0.10.0
[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-1.0.127/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=fcc4ccd01511e7cf -C extra-filename=-fcc4ccd01511e7cf --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-72dd94e62781faf3.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-754b571958ad5368.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-7c8a09896a0f22e4.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" "121f94b873ac4e19abb8a7ec95a94d3decf34f2254df8f643814ba1e5a552a2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "121f94b873ac4e19abb8a7ec95a94d3decf34f2254df8f643814ba1e5a552a2f", kill_on_drop: false }`
[INFO] [stdout] 121f94b873ac4e19abb8a7ec95a94d3decf34f2254df8f643814ba1e5a552a2f