[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] checking FedericoStra/wikinet against 1.55.0 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFedericoStra%2Fwikinet" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FedericoStra/wikinet on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-14/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: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e8113cd162cdb17f5491cab7f6384f885298749b6be475a426500f3445a314b6
[INFO] running `Command { std: "docker" "start" "-a" "e8113cd162cdb17f5491cab7f6384f885298749b6be475a426500f3445a314b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e8113cd162cdb17f5491cab7f6384f885298749b6be475a426500f3445a314b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8113cd162cdb17f5491cab7f6384f885298749b6be475a426500f3445a314b6", kill_on_drop: false }`
[INFO] [stdout] e8113cd162cdb17f5491cab7f6384f885298749b6be475a426500f3445a314b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 86dfa26803420bdee5510b3ed50fbf9717c2bdc3df0b3985b6bfb285c7c8942c
[INFO] running `Command { std: "docker" "start" "-a" "86dfa26803420bdee5510b3ed50fbf9717c2bdc3df0b3985b6bfb285c7c8942c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]    Compiling futures-task v0.3.16
[INFO] [stderr]     Checking bitflags v1.3.1
[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling openssl v0.10.35
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]    Compiling futures-channel v0.3.16
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]     Checking futures-sink v0.3.16
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking slab v0.4.4
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]     Checking openssl-probe v0.1.4
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking gimli v0.25.0
[INFO] [stderr]    Compiling eyre v0.6.5
[INFO] [stderr]     Checking unicode-bidi v0.3.6
[INFO] [stderr]     Checking rustc-demangle v0.1.20
[INFO] [stderr]     Checking owo-colors v1.3.0
[INFO] [stderr]     Checking indenter v0.3.3
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking ipnet v2.3.1
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]    Compiling tokio v1.10.0
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking sharded-slab v0.1.3
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking socket2 v0.4.1
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking object v0.26.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking futf v0.1.4
[INFO] [stderr]     Checking http-body v0.4.3
[INFO] [stderr]     Checking tinyvec v1.3.1
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr] error: could not compile `serde`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name serde /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde-1.0.127/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="std"' -C metadata=e71034990a948106 -C extra-filename=-e71034990a948106 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=warn --cfg ops_bound --cfg core_reverse --cfg de_boxed_c_str --cfg de_boxed_path --cfg de_rc_dst --cfg core_duration --cfg integer128 --cfg range_inclusive --cfg num_nonzero --cfg serde_derive --cfg core_try_from --cfg num_nonzero_signed --cfg systemtime_checked_add --cfg std_atomic64 --cfg std_atomic` (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" "86dfa26803420bdee5510b3ed50fbf9717c2bdc3df0b3985b6bfb285c7c8942c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86dfa26803420bdee5510b3ed50fbf9717c2bdc3df0b3985b6bfb285c7c8942c", kill_on_drop: false }`
[INFO] [stdout] 86dfa26803420bdee5510b3ed50fbf9717c2bdc3df0b3985b6bfb285c7c8942c