[INFO] fetching crate muta-keypair 0.1.0-alpha.1... [INFO] building muta-keypair-0.1.0-alpha.1 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1 [INFO] extracting crate muta-keypair 0.1.0-alpha.1 into /workspace/builds/worker-0-tc2/source [INFO] started tweaking crates.io crate muta-keypair 0.1.0-alpha.1 [INFO] finished tweaking crates.io crate muta-keypair 0.1.0-alpha.1 [INFO] tweaked toml for crates.io crate muta-keypair 0.1.0-alpha.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate muta-keypair 0.1.0-alpha.1 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate muta-keypair 0.1.0-alpha.1 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] aa24782ed865027dc12eb230fe746b3f68b1eed8444cdd2ba590dc1f160251ff [INFO] running `Command { std: "docker" "start" "-a" "aa24782ed865027dc12eb230fe746b3f68b1eed8444cdd2ba590dc1f160251ff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "aa24782ed865027dc12eb230fe746b3f68b1eed8444cdd2ba590dc1f160251ff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aa24782ed865027dc12eb230fe746b3f68b1eed8444cdd2ba590dc1f160251ff", kill_on_drop: false }` [INFO] [stdout] aa24782ed865027dc12eb230fe746b3f68b1eed8444cdd2ba590dc1f160251ff [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ae080474808688c061f34e3ba2007bf2cd3e902dc07ce7ff57cb8b677ca80ad9 [INFO] running `Command { std: "docker" "start" "-a" "ae080474808688c061f34e3ba2007bf2cd3e902dc07ce7ff57cb8b677ca80ad9", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling proc-macro2 v1.0.7 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.13 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling cc v1.0.41 [INFO] [stderr] Compiling typenum v1.11.2 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling scopeguard v1.0.0 [INFO] [stderr] Compiling serde v1.0.104 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling slab v0.4.2 [INFO] [stderr] Compiling futures v0.1.29 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling crossbeam-utils v0.6.6 [INFO] [stderr] Compiling semver v0.9.0 [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 smallvec v0.6.13 [INFO] [stderr] Compiling rustc-hex v2.0.1 [INFO] [stderr] Compiling ppv-lite86 v0.2.6 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling opaque-debug v0.2.3 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling failure_derive v0.1.6 [INFO] [stderr] Compiling heapsize v0.4.2 [INFO] [stderr] Compiling byte-tools v0.3.1 [INFO] [stderr] Compiling crossbeam-utils v0.7.0 [INFO] [stderr] Compiling ryu v1.0.2 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling backtrace-sys v0.1.32 [INFO] [stderr] Compiling c2-chacha v0.2.3 [INFO] [stderr] Compiling bytes v0.4.12 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling tokio-executor v0.1.9 [INFO] [stderr] Compiling memoffset v0.5.3 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling block-padding v0.1.5 [INFO] [stderr] Compiling net2 v0.2.33 [INFO] [stderr] Compiling rand_chacha v0.2.1 [INFO] [stderr] Compiling num_cpus v1.11.1 [INFO] [stderr] Compiling rustc-demangle v0.1.16 [INFO] [stderr] Compiling crunchy v0.1.6 [INFO] [stderr] Compiling mio v0.6.21 [INFO] [stderr] Compiling generic-array v0.12.3 [INFO] [stderr] Compiling tokio-io v0.1.12 [INFO] [stderr] Compiling rand v0.7.2 [INFO] [stderr] Compiling tiny-keccak v1.5.0 [INFO] [stderr] Compiling crossbeam-epoch v0.8.0 [INFO] [stderr] Compiling lock_api v0.3.3 [INFO] [stderr] Compiling digest v0.8.1 [INFO] [stderr] Compiling block-buffer v0.7.3 [INFO] [stderr] Compiling fnv v1.0.6 [INFO] [stderr] Compiling tokio-sync v0.1.7 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling proc-macro-nested v0.1.3 [INFO] [stderr] Compiling itoa v0.4.4 [INFO] [stderr] Compiling block-cipher-trait v0.6.2 [INFO] [stderr] Compiling backtrace v0.3.40 [INFO] [stderr] Compiling parking_lot_core v0.5.0 [INFO] [stderr] Compiling num-traits v0.2.10 [INFO] [stderr] Compiling futures-core v0.3.1 [INFO] [stderr] Compiling bytes v0.5.3 [INFO] [stderr] Compiling anyhow v1.0.26 [INFO] [stderr] Compiling keccak v0.1.0 [INFO] [stderr] Compiling futures-sink v0.3.1 [INFO] [stderr] Compiling tokio-reactor v0.1.11 [INFO] [stderr] Compiling futures-channel v0.3.1 [INFO] [stderr] Compiling tokio-codec v0.1.1 [INFO] [stderr] Compiling uint v0.4.1 [INFO] [stderr] Compiling secp256k1-sys v0.1.1 [INFO] [stderr] Compiling parking_lot v0.8.0 [INFO] [stderr] Compiling crossbeam-deque v0.7.2 [INFO] [stderr] Compiling crossbeam-queue v0.1.2 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling miracl_amcl v3.2.5 [INFO] [stderr] Compiling futures-io v0.3.1 [INFO] [stderr] Compiling either v1.5.3 [INFO] [stderr] Compiling futures-task v0.3.1 [INFO] [stderr] Compiling pin-utils v0.1.0-alpha.4 [INFO] [stderr] Compiling itertools v0.8.2 [INFO] [stderr] Compiling sha3 v0.8.2 [INFO] [stderr] Compiling synstructure v0.10.2 [INFO] [stderr] Compiling tokio-threadpool v0.1.17 [INFO] [stderr] Compiling mio-uds v0.6.7 [INFO] [stderr] Compiling fixed-hash v0.2.5 [INFO] [stderr] Compiling stream-cipher v0.3.2 [INFO] [stderr] Compiling aho-corasick v0.7.6 [INFO] [stderr] Compiling secp256k1 v0.15.5 [INFO] [stderr] Compiling ring v0.16.9 [INFO] [stderr] Compiling rlp v0.4.4 [INFO] [stderr] Compiling num-bigint v0.2.4 [INFO] [stderr] Compiling lock_api v0.2.0 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling regex-syntax v0.6.12 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling subtle v1.0.0 [INFO] [stderr] Compiling crypto-mac v0.7.0 [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/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/bin/rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-1.0.13/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 --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"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "quote", "visit", "visit-mut"))' -C metadata=23732391c70d79d5 -C extra-filename=-bf7d57cef36724ab --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-c642e513dd5e96fb.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-c96d696f8cca24ca.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-6bb29a11fe85b6ff.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill) [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [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/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/bin/rustc --crate-name syn --edition=2015 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/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 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --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", "visit", "visit-mut"))' -C metadata=c624afbda8c68cdb -C extra-filename=-2a7afd2d09102477 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-a31d07f6233458cb.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-ed4b39275464f609.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-c15504178e575201.rmeta --cap-lints allow --cap-lints=forbid --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" "ae080474808688c061f34e3ba2007bf2cd3e902dc07ce7ff57cb8b677ca80ad9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ae080474808688c061f34e3ba2007bf2cd3e902dc07ce7ff57cb8b677ca80ad9", kill_on_drop: false }` [INFO] [stdout] ae080474808688c061f34e3ba2007bf2cd3e902dc07ce7ff57cb8b677ca80ad9