[INFO] cloning repository https://github.com/kevinzwang/nano-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kevinzwang/nano-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkevinzwang%2Fnano-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkevinzwang%2Fnano-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8811f38e7dfd9b87b7188800666cf41eaa6712d9
[INFO] testing kevinzwang/nano-rs against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkevinzwang%2Fnano-rs" "/workspace/builds/worker-61/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-61/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kevinzwang/nano-rs on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kevinzwang/nano-rs
[INFO] finished tweaking git repo https://github.com/kevinzwang/nano-rs
[INFO] tweaked toml for git repo https://github.com/kevinzwang/nano-rs written to /workspace/builds/worker-61/source/Cargo.toml
[INFO] crate git repo https://github.com/kevinzwang/nano-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tempfile v3.0.9
[INFO] [stderr]   Downloaded graphql-parser v0.2.3
[INFO] [stderr]   Downloaded graphql_query_derive v0.8.0
[INFO] [stderr]   Downloaded graphql_client_codegen v0.8.0
[INFO] [stderr]   Downloaded ascii v0.9.2
[INFO] [stderr]   Downloaded hyper-rustls v0.16.1
[INFO] [stderr]   Downloaded graphql_client v0.8.0
[INFO] [stderr]   Downloaded ct-logs v0.5.1
[INFO] [stderr]   Downloaded command_attr v0.1.3
[INFO] [stderr]   Downloaded uwl v0.3.4
[INFO] [stderr]   Downloaded serenity v0.6.2
[INFO] [stderr]   Downloaded tokio-rustls v0.9.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ad8aa512aa40e1c5e0346c81159734ba68bf946bdc9de60979bb4c5144264b96
[INFO] running `Command { std: "docker" "start" "-a" "ad8aa512aa40e1c5e0346c81159734ba68bf946bdc9de60979bb4c5144264b96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad8aa512aa40e1c5e0346c81159734ba68bf946bdc9de60979bb4c5144264b96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad8aa512aa40e1c5e0346c81159734ba68bf946bdc9de60979bb4c5144264b96", kill_on_drop: false }`
[INFO] [stdout] ad8aa512aa40e1c5e0346c81159734ba68bf946bdc9de60979bb4c5144264b96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d8c7d9413e2977685b6c1c8c1e6a2a2de28100c6fc2f879605ba66f949f7d01a
[INFO] running `Command { std: "docker" "start" "-a" "d8c7d9413e2977685b6c1c8c1e6a2a2de28100c6fc2f879605ba66f949f7d01a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling rand_core v0.4.0
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling either v1.5.2
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling smallvec v0.6.10
[INFO] [stderr]    Compiling futures v0.1.28
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling serde v1.0.94
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling rustc-demangle v0.1.15
[INFO] [stderr]    Compiling spin v0.5.0
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling untrusted v0.6.2
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling httparse v1.3.3
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]    Compiling openssl v0.10.23
[INFO] [stderr]    Compiling indexmap v1.0.2
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling try-lock v0.2.2
[INFO] [stderr]    Compiling regex v1.1.7
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling ascii v0.9.2
[INFO] [stderr]    Compiling adler32 v1.0.3
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling utf8-ranges v1.0.3
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]    Compiling openssl-probe v0.1.2
[INFO] [stderr]    Compiling encoding_rs v0.8.17
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]    Compiling dtoa v0.4.4
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling doc-comment v0.3.1
[INFO] [stderr]    Compiling scopeguard v1.0.0
[INFO] [stderr]    Compiling opaque-debug v0.2.2
[INFO] [stderr]    Compiling traitobject v0.1.0
[INFO] [stderr]    Compiling utf-8 v0.7.5
[INFO] [stderr]    Compiling serenity v0.6.2
[INFO] [stderr]    Compiling uwl v0.3.4
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling block-padding v0.1.4
[INFO] [stderr]    Compiling owning_ref v0.4.0
[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]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling try_from v0.3.2
[INFO] [stderr]    Compiling crossbeam-utils v0.6.5
[INFO] [stderr]    Compiling tokio-trace-core v0.2.0
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling lock_api v0.2.0
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling lock_api v0.1.5
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]    Compiling regex-syntax v0.6.7
[INFO] [stderr]    Compiling miniz_oxide v0.2.1
[INFO] [stderr]    Compiling unsafe-any v0.4.2
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]    Compiling unicase v2.4.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.8
[INFO] [stderr]    Compiling backtrace-sys v0.1.30
[INFO] [stderr]    Compiling ring v0.14.6
[INFO] [stderr]    Compiling openssl-sys v0.9.47
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]    Compiling miniz_oxide_c_api v0.2.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling tokio-sync v0.1.6
[INFO] [stderr]    Compiling want v0.2.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling tokio-executor v0.1.7
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling typemap v0.3.3
[INFO] [stderr]    Compiling tokio-timer v0.2.11
[INFO] [stderr]    Compiling tokio-current-thread v0.1.6
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling hyper v0.12.31
[INFO] [stderr]    Compiling parking_lot_core v0.5.0
[INFO] [stderr]    Compiling parking_lot v0.8.0
[INFO] [stderr]    Compiling aho-corasick v0.7.3
[INFO] [stderr]    Compiling combine v3.8.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling num_cpus v1.10.1
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.1
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling mime v0.3.13
[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-0.15.39/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"' -C metadata=6519672082b0fe61 -C extra-filename=-6519672082b0fe61 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-6bd1fb196dd305d0.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-a7b71eab4e94592a.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-4e178870196d207c.rmeta --cap-lints allow --cap-lints=warn --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 --cfg syn_disable_nightly_tests` (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" "d8c7d9413e2977685b6c1c8c1e6a2a2de28100c6fc2f879605ba66f949f7d01a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8c7d9413e2977685b6c1c8c1e6a2a2de28100c6fc2f879605ba66f949f7d01a", kill_on_drop: false }`
[INFO] [stdout] d8c7d9413e2977685b6c1c8c1e6a2a2de28100c6fc2f879605ba66f949f7d01a