[INFO] cloning repository https://github.com/pieterjan-blockchain/rust_python
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pieterjan-blockchain/rust_python" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpieterjan-blockchain%2Frust_python", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpieterjan-blockchain%2Frust_python'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 781bd8b2911d036efc0dea1c7c219880136ada8d
[INFO] checking pieterjan-blockchain/rust_python against try#1bdcb63291ccffc030f8223f6f978568dd240e3e for 155501-infallible-never-with-reservation
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpieterjan-blockchain%2Frust_python" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-1-tc2/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/pieterjan-blockchain/rust_python
[INFO] finished tweaking git repo https://github.com/pieterjan-blockchain/rust_python
[INFO] tweaked toml for git repo https://github.com/pieterjan-blockchain/rust_python written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/pieterjan-blockchain/rust_python on toolchain 1bdcb63291ccffc030f8223f6f978568dd240e3e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1bdcb63291ccffc030f8223f6f978568dd240e3e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/pieterjan-blockchain/rust_python 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" "+1bdcb63291ccffc030f8223f6f978568dd240e3e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1bdcb63291ccffc030f8223f6f978568dd240e3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 47c2915a3b272917144eb43be594edcc882e494d024a563221b8fc8669418f59
[INFO] running `Command { std: "docker" "start" "-a" "47c2915a3b272917144eb43be594edcc882e494d024a563221b8fc8669418f59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47c2915a3b272917144eb43be594edcc882e494d024a563221b8fc8669418f59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47c2915a3b272917144eb43be594edcc882e494d024a563221b8fc8669418f59", kill_on_drop: false }`
[INFO] [stdout] 47c2915a3b272917144eb43be594edcc882e494d024a563221b8fc8669418f59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1bdcb63291ccffc030f8223f6f978568dd240e3e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0cf20638bf84ecdf296827ab7eb935b4ac3d5932c6519416b99c99d8f6616c5
[INFO] running `Command { std: "docker" "start" "-a" "c0cf20638bf84ecdf296827ab7eb935b4ac3d5932c6519416b99c99d8f6616c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.30
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling libc v0.2.102
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling radium v0.6.2
[INFO] [stderr]    Compiling siphasher v0.3.6
[INFO] [stderr]     Checking unic-common v0.9.0
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking unic-char-range v0.9.0
[INFO] [stderr]     Checking unic-ucd-version v0.9.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking unic-char-property v0.9.0
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling phf_shared v0.9.0
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling string_cache v0.8.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling ena v0.14.0
[INFO] [stderr]    Compiling ahash v0.7.4
[INFO] [stderr]    Compiling term v0.7.0
[INFO] [stderr]    Compiling pico-args v0.4.2
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-bigint v0.4.2
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling ascii-canvas v3.0.0
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking volatile v0.3.0
[INFO] [stderr]     Checking unic-ucd-category v0.9.0
[INFO] [stderr]     Checking ascii v1.0.0
[INFO] [stderr]     Checking hexf-parse v0.1.0
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]     Checking lz4_flex v0.7.5
[INFO] [stderr]    Compiling phf_generator v0.9.1
[INFO] [stderr]     Checking instant v0.1.10
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]    Compiling lalrpop-util v0.19.6
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling lalrpop v0.19.6
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]     Checking unic-emoji-char v0.9.0
[INFO] [stderr]     Checking unic-ucd-ident v0.9.0
[INFO] [stderr]     Checking unicode_names2 v0.4.0
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling smawk v0.3.1
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling textwrap v0.13.4
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling rustpython-pylib v0.1.0 (/opt/rustwide/workdir/vm/pylib-crate)
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking tinyvec v1.3.1
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking half v1.7.1
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]    Compiling rustpython-vm v0.1.2 (/opt/rustwide/workdir/vm)
[INFO] [stderr]     Checking nix v0.22.1
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking fd-lock v3.0.0
[INFO] [stderr]    Compiling syn-ext v0.3.0
[INFO] [stderr]    Compiling pmutil v0.5.3
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking which v4.2.2
[INFO] [stderr]     Checking uname v0.1.1
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking unic-ucd-bidi v0.9.0
[INFO] [stderr]     Checking timsort v0.1.2
[INFO] [stderr]     Checking strum v0.21.0
[INFO] [stderr]     Checking exitcode v1.1.2
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking unicode-casing v0.1.0
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling build_const v0.2.2
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking unic-ucd-hangul v0.9.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]     Checking cpufeatures v0.2.1
[INFO] [stderr]     Checking unic-ucd-normal v0.9.0
[INFO] [stderr]     Checking socket2 v0.4.1
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]    Compiling rustpython-stdlib v0.1.2 (/opt/rustwide/workdir/stdlib)
[INFO] [stderr]     Checking sha3 v0.9.1
[INFO] [stderr]     Checking dns-lookup v1.0.8
[INFO] [stderr]     Checking sha-1 v0.9.8
[INFO] [stderr]     Checking sha2 v0.9.8
[INFO] [stderr]     Checking blake2 v0.9.2
[INFO] [stderr]     Checking md-5 v0.9.1
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking mt19937 v2.0.1
[INFO] [stderr]     Checking termios v0.3.3
[INFO] [stderr]     Checking gethostname v0.2.1
[INFO] [stderr]     Checking unic-ucd-age v0.9.0
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.75
[INFO] [stderr]     Checking xml-rs v0.8.4
[INFO] [stderr]     Checking puruspe v0.1.5
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking unic-normal v0.9.0
[INFO] [stderr]    Compiling cranelift-entity v0.72.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.72.0
[INFO] [stderr]     Checking plotters-backend v0.3.2
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.72.0
[INFO] [stderr]     Checking plotters-svg v0.3.1
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]    Compiling bumpalo v3.7.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]    Compiling target-lexicon v0.11.2
[INFO] [stderr]    Compiling cpython v0.6.0
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.75
[INFO] [stderr]     Checking criterion-plot v0.4.4
[INFO] [stderr]     Checking plotters v0.3.1
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking regalloc v0.0.31
[INFO] [stderr]     Checking cranelift-bforest v0.72.0
[INFO] [stderr]     Checking rustyline v9.0.0
[INFO] [stderr] error: could not compile `syn` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1bdcb63291ccffc030f8223f6f978568dd240e3e/bin/rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-1.0.80/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C opt-level=3 -C embed-bitcode=no -C debug-assertions=on --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="fold"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "quote", "test", "visit", "visit-mut"))' -C metadata=968a343d2dd4cc99 -C extra-filename=-45be7ed30e2449d6 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-34945e355e8d3bdc.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-ce16b9ee37dbf592.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-3c1e92229047a941.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "c0cf20638bf84ecdf296827ab7eb935b4ac3d5932c6519416b99c99d8f6616c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0cf20638bf84ecdf296827ab7eb935b4ac3d5932c6519416b99c99d8f6616c5", kill_on_drop: false }`
[INFO] [stdout] c0cf20638bf84ecdf296827ab7eb935b4ac3d5932c6519416b99c99d8f6616c5
