[INFO] fetching crate sn0int 0.20.1...
[INFO] checking sn0int-0.20.1 against try#7b3565da729099dbe807466fcd118fb2815986e0 for pr-81789
[INFO] extracting crate sn0int 0.20.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate sn0int 0.20.1 on toolchain 7b3565da729099dbe807466fcd118fb2815986e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sn0int 0.20.1
[INFO] finished tweaking crates.io crate sn0int 0.20.1
[INFO] tweaked toml for crates.io crate sn0int 0.20.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate sn0int 0.20.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded der-parser v5.0.0
[INFO] [stderr]   Downloaded rustyline v7.1.0
[INFO] [stderr]   Downloaded caps v0.5.1
[INFO] [stderr]   Downloaded der-oid-macro v0.3.0
[INFO] [stderr]   Downloaded syn v1.0.62
[INFO] [stderr]   Downloaded x509-parser v0.9.1
[INFO] [stderr]   Downloaded sloppy-rfc4880 v0.2.0
[INFO] [stderr]   Downloaded sn0int-std v0.20.1
[INFO] [stderr]   Downloaded pledge v0.4.1
[INFO] [stderr]   Downloaded unveil v0.2.1
[INFO] [stderr]   Downloaded os-version v0.1.1
[INFO] [stderr]   Downloaded nude v0.3.0
[INFO] [stderr]   Downloaded sn0int-common v0.12.0
[INFO] [stderr]   Downloaded embedded-triple v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dceebc12ed875fc0f2bd14d90a38194da30d2ea34e575763df85ada41678890f
[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" "dceebc12ed875fc0f2bd14d90a38194da30d2ea34e575763df85ada41678890f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dceebc12ed875fc0f2bd14d90a38194da30d2ea34e575763df85ada41678890f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dceebc12ed875fc0f2bd14d90a38194da30d2ea34e575763df85ada41678890f", kill_on_drop: false }`
[INFO] [stdout] dceebc12ed875fc0f2bd14d90a38194da30d2ea34e575763df85ada41678890f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+7b3565da729099dbe807466fcd118fb2815986e0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87b6826c62a2ff6cf6c167d5c4dc9bb32115228babba43dceda70daef1aca7df
[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" "87b6826c62a2ff6cf6c167d5c4dc9bb32115228babba43dceda70daef1aca7df", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]    Compiling syn v1.0.62
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling serde v1.0.124
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling siphasher v0.3.3
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling lexical-core v0.7.5
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking utf-8 v0.7.5
[INFO] [stderr]    Compiling heapless v0.5.6
[INFO] [stderr]     Checking dtoa v0.4.7
[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]     Checking weezl v0.1.4
[INFO] [stderr]    Compiling byteorder v1.4.2
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking nibble_vec v0.0.4
[INFO] [stderr]     Checking pdqselect v0.1.0
[INFO] [stderr]    Compiling oid-registry v0.1.1
[INFO] [stderr]     Checking bytemuck v1.5.1
[INFO] [stderr]    Compiling seccomp-sys v0.1.3
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking thin-slice v0.1.1
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking mutate_once v0.1.1
[INFO] [stderr]     Checking bufstream v0.1.4
[INFO] [stderr]     Checking robust v0.2.3
[INFO] [stderr]    Compiling embedded-triple v0.1.0
[INFO] [stderr]     Checking strum v0.19.5
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]     Checking bs58 v0.4.0
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking separator v0.4.1
[INFO] [stderr]     Checking opener v0.4.1
[INFO] [stderr]     Checking bytesize v1.0.1
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling num-bigint v0.3.2
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]     Checking hash32 v0.1.1
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking geographiclib-rs v0.2.0
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking futf v0.1.4
[INFO] [stderr]     Checking dtoa-short v0.3.3
[INFO] [stderr]     Checking servo_arc v0.1.1
[INFO] [stderr]     Checking radix_trie v0.1.6
[INFO] [stderr]    Compiling libsqlite3-sys v0.18.0
[INFO] [stderr]    Compiling lua52-sys v0.1.2
[INFO] [stderr]    Compiling libsodium-sys v0.2.6
[INFO] [stderr]    Compiling syscallz v0.15.0
[INFO] [stderr]     Checking http v0.2.3
[INFO] [stderr]     Checking gif v0.11.1
[INFO] [stderr]     Checking kamadak-exif v0.5.3
[INFO] [stderr]     Checking input_buffer v0.3.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking tendril v0.4.2
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking crossbeam-utils v0.8.3
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking generic-array v0.13.3
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling hyper v0.12.36
[INFO] [stderr]     Checking idna v0.2.2
[INFO] [stderr]     Checking os-version v0.1.1
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]     Checking bitvec v0.19.5
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]     Checking crossbeam-epoch v0.9.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking as-slice v0.1.5
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking crypto-mac v0.10.0
[INFO] [stderr]     Checking url v2.2.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking ring v0.16.20
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking backtrace v0.3.56
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking errno v0.2.7
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking nix v0.19.1
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking nix v0.15.0
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking tokio-timer v0.2.13
[INFO] [stderr]     Checking tokio-current-thread v0.1.7
[INFO] [stderr]     Checking sha-1 v0.9.4
[INFO] [stderr]     Checking sha2 v0.9.3
[INFO] [stderr]     Checking sha3 v0.9.1
[INFO] [stderr]     Checking md-5 v0.9.1
[INFO] [stderr]     Checking blake2 v0.9.1
[INFO] [stderr]     Checking hmac v0.10.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking rayon-core v1.9.0
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking mqtt-protocol v0.10.0
[INFO] [stderr]     Checking pem v0.8.3
[INFO] [stderr]     Checking env_logger v0.8.3
[INFO] [stderr]     Checking shellwords v1.1.0
[INFO] [stderr]     Checking publicsuffix v1.5.6
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking hlua-badtouch v0.4.2
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking rayon v1.5.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking caps v0.3.4
[INFO] [stderr]     Checking rstar v0.8.2
[INFO] [stderr]     Checking ct-logs v0.6.0
[INFO] [stderr]     Checking ct-logs v0.7.0
[INFO] [stderr]     Checking rustls v0.16.0
[INFO] [stderr]     Checking webpki-roots v0.17.0
[INFO] [stderr]     Checking webpki-roots v0.18.0
[INFO] [stderr]     Checking rustls v0.18.1
[INFO] [stderr]     Checking webpki-roots v0.20.0
[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-1.0.62/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="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"' -C metadata=92ac5cb03d881fd7 -C extra-filename=-92ac5cb03d881fd7 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-68d422dfc8864dc7.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-cfc781dd86a6c62d.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-4182131ee577b5da.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" "87b6826c62a2ff6cf6c167d5c4dc9bb32115228babba43dceda70daef1aca7df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87b6826c62a2ff6cf6c167d5c4dc9bb32115228babba43dceda70daef1aca7df", kill_on_drop: false }`
[INFO] [stdout] 87b6826c62a2ff6cf6c167d5c4dc9bb32115228babba43dceda70daef1aca7df