[INFO] fetching crate toql_derive 0.1.4...
[INFO] checking toql_derive-0.1.4 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] extracting crate toql_derive 0.1.4 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate toql_derive 0.1.4 on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate toql_derive 0.1.4
[INFO] finished tweaking crates.io crate toql_derive 0.1.4
[INFO] tweaked toml for crates.io crate toql_derive 0.1.4 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8bc0af42b16529d7ffeb81fef761d29d8cc294e97d4c360f601d3df4a479ffa4
[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" "8bc0af42b16529d7ffeb81fef761d29d8cc294e97d4c360f601d3df4a479ffa4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8bc0af42b16529d7ffeb81fef761d29d8cc294e97d4c360f601d3df4a479ffa4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bc0af42b16529d7ffeb81fef761d29d8cc294e97d4c360f601d3df4a479ffa4", kill_on_drop: false }`
[INFO] [stdout] 8bc0af42b16529d7ffeb81fef761d29d8cc294e97d4c360f601d3df4a479ffa4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b40ee92f1050636af0ee537a2fa9838e00f7d6c16f6fbf40af0de3f6af873a2c
[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" "b40ee92f1050636af0ee537a2fa9838e00f7d6c16f6fbf40af0de3f6af873a2c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling regex v1.0.6
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling nix v0.11.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling sha1 v0.6.0
[INFO] [stderr]     Checking bufstream v0.1.4
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling bit-vec v0.5.1
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]     Checking enquote v1.0.3
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking tinyvec v1.2.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking unicode-bidi v0.3.5
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]     Checking unicode-normalization v0.1.17
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]     Checking syn v0.15.44
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling generic-array v0.12.4
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling flate2 v1.0.20
[INFO] [stderr]    Compiling atoi v0.2.4
[INFO] [stderr]    Compiling checked v0.5.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.15.44/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' -C metadata=3fc652e88841df62 -C extra-filename=-3fc652e88841df62 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-3b18cfc593bd9ee0.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-2ddc15c6e8d94b1a.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-bc979dcab71a2a0f.rmeta --cap-lints allow --cap-lints=forbid --cfg syn_can_match_trailing_dollar --cfg syn_can_use_thread_id --cfg syn_can_use_associated_constants --cfg syn_can_call_macro_by_path` (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" "b40ee92f1050636af0ee537a2fa9838e00f7d6c16f6fbf40af0de3f6af873a2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b40ee92f1050636af0ee537a2fa9838e00f7d6c16f6fbf40af0de3f6af873a2c", kill_on_drop: false }`
[INFO] [stdout] b40ee92f1050636af0ee537a2fa9838e00f7d6c16f6fbf40af0de3f6af873a2c