[INFO] cloning repository https://github.com/FedericoStra/wikinet
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FedericoStra/wikinet" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFedericoStra%2Fwikinet", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFedericoStra%2Fwikinet'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5e25d388f453f97391e832ff00bf05ea6f349da6
[INFO] testing FedericoStra/wikinet against try#613d1972a772987ed4ee06faccbab0e2fc839871+rustflags=-Copt-level=3 for pr-107051
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFedericoStra%2Fwikinet" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FedericoStra/wikinet on toolchain 613d1972a772987ed4ee06faccbab0e2fc839871
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+613d1972a772987ed4ee06faccbab0e2fc839871" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/FedericoStra/wikinet
[INFO] finished tweaking git repo https://github.com/FedericoStra/wikinet
[INFO] tweaked toml for git repo https://github.com/FedericoStra/wikinet written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/FedericoStra/wikinet 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" "+613d1972a772987ed4ee06faccbab0e2fc839871" "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@sha256:7c93e6f9a94679f34221d1005849d4c83862f85b14a264fa0883942f4d043a66" "/opt/rustwide/cargo-home/bin/cargo" "+613d1972a772987ed4ee06faccbab0e2fc839871" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 03b6f86e2bdefea50abcaa5c1b5f3fd3d78d937d5f420c74b2ab216b9d9a963b
[INFO] running `Command { std: "docker" "start" "-a" "03b6f86e2bdefea50abcaa5c1b5f3fd3d78d937d5f420c74b2ab216b9d9a963b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "03b6f86e2bdefea50abcaa5c1b5f3fd3d78d937d5f420c74b2ab216b9d9a963b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03b6f86e2bdefea50abcaa5c1b5f3fd3d78d937d5f420c74b2ab216b9d9a963b", kill_on_drop: false }`
[INFO] [stdout] 03b6f86e2bdefea50abcaa5c1b5f3fd3d78d937d5f420c74b2ab216b9d9a963b
[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 -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" "+613d1972a772987ed4ee06faccbab0e2fc839871" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 06afd0f109d90fc6a9137d82c7a421a7f1f1959dfafdc75a1527a7e4ef368e01
[INFO] running `Command { std: "docker" "start" "-a" "06afd0f109d90fc6a9137d82c7a421a7f1f1959dfafdc75a1527a7e4ef368e01", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling tracing-core v0.1.18
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling instant v0.1.10
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling lock_api v0.4.4
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling bitflags v1.3.1
[INFO] [stderr]    Compiling futures-task v0.3.16
[INFO] [stderr]    Compiling openssl v0.10.35
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling http v0.2.4
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling mac v0.1.1
[INFO] [stderr]    Compiling futures-channel v0.3.16
[INFO] [stderr]    Compiling httparse v1.4.1
[INFO] [stderr]    Compiling futures-sink v0.3.16
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling tokio v1.10.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling matchers v0.0.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling tinyvec v1.3.1
[INFO] [stderr]    Compiling futf v0.1.4
[INFO] [stderr]    Compiling tracing-log v0.1.2
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling sharded-slab v0.1.3
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling slab v0.4.4
[INFO] [stderr]    Compiling utf-8 v0.7.6
[INFO] [stderr]    Compiling openssl-probe v0.1.4
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling tendril v0.4.2
[INFO] [stderr]    Compiling http-body v0.4.3
[INFO] [stderr]    Compiling socket2 v0.4.1
[INFO] [stderr]    Compiling phf v0.7.24
[INFO] [stderr]    Compiling unicode-bidi v0.3.6
[INFO] [stderr]    Compiling tracing-serde v0.1.2
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling eyre v0.6.5
[INFO] [stderr]    Compiling gimli v0.25.0
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling tower-service v0.3.1
[INFO] [stderr]    Compiling httpdate v1.0.1
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]    Compiling openssl-sys v0.9.65
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling object v0.26.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.20
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling indenter v0.3.3
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling owo-colors v1.3.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling serde_urlencoded v0.7.0
[INFO] [stderr]    Compiling ipnet v2.3.1
[INFO] [stderr]    Compiling addr2line v0.16.0
[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-1.0.74/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=251c49e0f93c21d8 -C extra-filename=-251c49e0f93c21d8 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-2b187afb25f696e1.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-1b89975272fbbc51.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-3c8a88541efd8c80.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 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.15.44/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="fold"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' -C metadata=77ef50f7c17540e8 -C extra-filename=-77ef50f7c17540e8 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-74cf65b213176c4b.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-520fec877571f6ee.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-17df5e5ca0bb5bda.rmeta --cap-lints allow --cap-lints=forbid -Copt-level=3 --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] running `Command { std: "docker" "inspect" "06afd0f109d90fc6a9137d82c7a421a7f1f1959dfafdc75a1527a7e4ef368e01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06afd0f109d90fc6a9137d82c7a421a7f1f1959dfafdc75a1527a7e4ef368e01", kill_on_drop: false }`
[INFO] [stdout] 06afd0f109d90fc6a9137d82c7a421a7f1f1959dfafdc75a1527a7e4ef368e01