[INFO] fetching crate solana-core 1.5.19...
[INFO] checking solana-core-1.5.19 against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] extracting crate solana-core 1.5.19 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate solana-core 1.5.19 on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate solana-core 1.5.19
[INFO] finished tweaking crates.io crate solana-core 1.5.19
[INFO] tweaked toml for crates.io crate solana-core 1.5.19 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bytesize v1.0.1
[INFO] [stderr]   Downloaded radium v0.5.3
[INFO] [stderr]   Downloaded tap v1.0.1
[INFO] [stderr]   Downloaded wyz v0.2.0
[INFO] [stderr]   Downloaded lexical-core v0.7.6
[INFO] [stderr]   Downloaded systemstat v0.1.7
[INFO] [stderr]   Downloaded funty v1.1.0
[INFO] [stderr]   Downloaded bitvec v0.19.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cc54e9d167f4265b9b648c76f9d19d37fd9fd9ebc9849068e441186c1ec90c13
[INFO] running `Command { std: "docker" "start" "-a" "cc54e9d167f4265b9b648c76f9d19d37fd9fd9ebc9849068e441186c1ec90c13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc54e9d167f4265b9b648c76f9d19d37fd9fd9ebc9849068e441186c1ec90c13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc54e9d167f4265b9b648c76f9d19d37fd9fd9ebc9849068e441186c1ec90c13", kill_on_drop: false }`
[INFO] [stdout] cc54e9d167f4265b9b648c76f9d19d37fd9fd9ebc9849068e441186c1ec90c13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 224f4ea4a591713c7cda177e111eca8e8e45f593f556035c837f5c3d2d4e2e56
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "224f4ea4a591713c7cda177e111eca8e8e45f593f556035c837f5c3d2d4e2e56", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling openssl v0.10.34
[INFO] [stderr]     Checking cpufeatures v0.1.1
[INFO] [stderr]     Checking rustc-demangle v0.1.19
[INFO] [stderr]     Checking unicode-xid v0.2.2
[INFO] [stderr]    Compiling winapi v0.3.9
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]     Checking retain_mut v0.1.3
[INFO] [stderr]     Checking bytesize v1.0.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.4
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]    Compiling solana-core v1.5.19 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]     Checking pbkdf2 v0.3.0
[INFO] [stderr]     Checking hmac-drbg v0.2.0
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]     Checking bitvec v0.19.5
[INFO] [stderr]     Checking crossbeam-epoch v0.9.4
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking combine v3.8.1
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking memmap2 v0.1.0
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking jobserver v0.1.22
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking gethostname v0.2.1
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking mio v0.7.11
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking terminal_size v0.1.16
[INFO] [stderr]     Checking filetime v0.2.14
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]     Checking termios v0.3.3
[INFO] [stderr]     Checking rpassword v4.0.5
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking nix v0.19.1
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking users v0.10.0
[INFO] [stderr]     Checking unix_socket2 v0.5.4
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]    Compiling clang-sys v1.2.0
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking rayon-core v1.9.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking solana-rayon-threadlimit v1.5.19
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking core_affinity v0.5.10
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking miow v0.2.2
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]    Compiling dlopen_derive v0.1.4
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking cc v1.0.49
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking tar v0.4.33
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-1.0.72/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -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"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' -C metadata=0ab315f7c326c9d9 -C extra-filename=-0ab315f7c326c9d9 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-9370bc1301f3cc4c.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-2bf2417c8557f0c7.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-0eb1ead53db5ad0d.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: build failed
[INFO] running `Command { std: "docker" "inspect" "224f4ea4a591713c7cda177e111eca8e8e45f593f556035c837f5c3d2d4e2e56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "224f4ea4a591713c7cda177e111eca8e8e45f593f556035c837f5c3d2d4e2e56", kill_on_drop: false }`
[INFO] [stdout] 224f4ea4a591713c7cda177e111eca8e8e45f593f556035c837f5c3d2d4e2e56