[INFO] fetching crate jsonst 0.2.0...
[INFO] testing jsonst-0.2.0 against master#159ba8a92c9e2fa4121f106176309521f4af87e9+rustflags=-Copt-level=3 for pr-107051
[INFO] extracting crate jsonst 0.2.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate jsonst 0.2.0 on toolchain 159ba8a92c9e2fa4121f106176309521f4af87e9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+159ba8a92c9e2fa4121f106176309521f4af87e9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate jsonst 0.2.0
[INFO] finished tweaking crates.io crate jsonst 0.2.0
[INFO] tweaked toml for crates.io crate jsonst 0.2.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate jsonst 0.2.0 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" "+159ba8a92c9e2fa4121f106176309521f4af87e9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded paw-attributes v1.0.2
[INFO] [stderr]   Downloaded paw-raw v1.0.0
[INFO] [stderr]   Downloaded jsonschema-valid v0.4.0
[INFO] [stderr]   Downloaded iter-read v0.3.1
[INFO] [stderr]   Downloaded serde-pickle v1.1.1
[INFO] [stderr]   Downloaded serde_with v1.13.0
[INFO] [stderr]   Downloaded whirlpool v0.10.1
[INFO] [stderr]   Downloaded crypto-hashes v0.10.0
[INFO] [stderr]   Downloaded http_req v0.8.1
[INFO] [stderr]   Downloaded infers-jsonschema v0.1.0
[INFO] [stderr]   Downloaded iri-string v0.3.0
[INFO] [stderr]   Downloaded groestl v0.10.1
[INFO] [stderr]   Downloaded bson v2.2.0
[INFO] [stderr]   Downloaded once_cell v1.11.0
[INFO] [stderr]   Downloaded paw v1.0.0
[INFO] [stderr]   Downloaded hmac-sha256 v1.1.3
[INFO] [stderr]   Downloaded valico v3.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:7c93e6f9a94679f34221d1005849d4c83862f85b14a264fa0883942f4d043a66" "/opt/rustwide/cargo-home/bin/cargo" "+159ba8a92c9e2fa4121f106176309521f4af87e9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a804fb8134ef1cbed9d2d036da773cb77fe967d25577a6514b096e4f8db5d767
[INFO] running `Command { std: "docker" "start" "-a" "a804fb8134ef1cbed9d2d036da773cb77fe967d25577a6514b096e4f8db5d767", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a804fb8134ef1cbed9d2d036da773cb77fe967d25577a6514b096e4f8db5d767", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a804fb8134ef1cbed9d2d036da773cb77fe967d25577a6514b096e4f8db5d767", kill_on_drop: false }`
[INFO] [stdout] a804fb8134ef1cbed9d2d036da773cb77fe967d25577a6514b096e4f8db5d767
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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 -Copt-level=3" "-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@sha256:7c93e6f9a94679f34221d1005849d4c83862f85b14a264fa0883942f4d043a66" "/opt/rustwide/cargo-home/bin/cargo" "+159ba8a92c9e2fa4121f106176309521f4af87e9" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f372ae27079dcfb8bc961626d478ac03513d634599434f2d127f2223c9ea114
[INFO] running `Command { std: "docker" "start" "-a" "3f372ae27079dcfb8bc961626d478ac03513d634599434f2d127f2223c9ea114", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling itoa v1.0.2
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling ryu v1.0.10
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling once_cell v1.11.0
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling regex-syntax v0.6.26
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling unicode-bidi v0.3.8
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling getrandom v0.2.6
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling mio v0.8.3
[INFO] [stderr]    Compiling socket2 v0.4.4
[INFO] [stderr]    Compiling tracing-core v0.1.26
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling regex v1.5.6
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling tokio v1.18.2
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling http v0.2.7
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling futures-io v0.3.21
[INFO] [stderr]    Compiling slab v0.4.6
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling futures-sink v0.3.21
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling httparse v1.7.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling darling_core v0.13.4
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling openssl v0.10.40
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling try-lock v0.2.3
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr] error: could not compile `tokio`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name tokio --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-1.18.2/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="bytes"' --cfg 'feature="default"' --cfg 'feature="io-util"' --cfg 'feature="libc"' --cfg 'feature="memchr"' --cfg 'feature="mio"' --cfg 'feature="net"' --cfg 'feature="num_cpus"' --cfg 'feature="once_cell"' --cfg 'feature="rt"' --cfg 'feature="rt-multi-thread"' --cfg 'feature="socket2"' --cfg 'feature="sync"' --cfg 'feature="time"' -C metadata=9689d22adcf1408d -C extra-filename=-9689d22adcf1408d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bytes=/opt/rustwide/target/debug/deps/libbytes-5e8424a0f7103369.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-f7cc4e82b538969b.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-e5d776ce412d577f.rmeta --extern mio=/opt/rustwide/target/debug/deps/libmio-065c9b79dae17932.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-6af46bc12ef6c04a.rmeta --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-386dc6b0558c1d1a.rmeta --extern pin_project_lite=/opt/rustwide/target/debug/deps/libpin_project_lite-f2671a56a138cdc1.rmeta --extern socket2=/opt/rustwide/target/debug/deps/libsocket2-76b71fda6a1e62df.rmeta --cap-lints allow --cap-lints=forbid -Copt-level=3` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-1.0.95/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="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"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' -C metadata=e9aefe526cadb8d3 -C extra-filename=-e9aefe526cadb8d3 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-356c1816459a32eb.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-afcb07fa85e36de4.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-b3c3eb1ebc033cd2.rmeta --cap-lints allow --cap-lints=forbid -Copt-level=3` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "3f372ae27079dcfb8bc961626d478ac03513d634599434f2d127f2223c9ea114", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f372ae27079dcfb8bc961626d478ac03513d634599434f2d127f2223c9ea114", kill_on_drop: false }`
[INFO] [stdout] 3f372ae27079dcfb8bc961626d478ac03513d634599434f2d127f2223c9ea114