[INFO] fetching crate snarkos 1.2.0...
[INFO] checking snarkos-1.2.0 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] extracting crate snarkos 1.2.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate snarkos 1.2.0 on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate snarkos 1.2.0
[INFO] finished tweaking crates.io crate snarkos 1.2.0
[INFO] tweaked toml for crates.io crate snarkos 1.2.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate snarkos 1.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded curve25519-dalek v3.0.2
[INFO] [stderr]   Downloaded x25519-dalek v1.1.0
[INFO] [stderr]   Downloaded capnp v0.14.0
[INFO] [stderr]   Downloaded tracing-subscriber v0.2.16
[INFO] [stderr]   Downloaded snarkos-consensus v1.2.0
[INFO] [stderr]   Downloaded snarkos-metrics v1.2.0
[INFO] [stderr]   Downloaded capnpc v0.14.2
[INFO] [stderr]   Downloaded self_update v0.23.0
[INFO] [stderr]   Downloaded snarkos-parameters v1.2.0
[INFO] [stderr]   Downloaded snarkos-profiler v1.2.0
[INFO] [stderr]   Downloaded snarkos-network v1.2.0
[INFO] [stderr]   Downloaded snarkos-storage v1.2.0
[INFO] [stderr]   Downloaded snarkos-rpc v1.2.0
[INFO] [stderr]   Downloaded snarkos-toolkit v1.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7973c89e10e6d0598a27a1a92b6e84f54b63a5aa56a61c6860f03e4cac3c1720
[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" "7973c89e10e6d0598a27a1a92b6e84f54b63a5aa56a61c6860f03e4cac3c1720", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7973c89e10e6d0598a27a1a92b6e84f54b63a5aa56a61c6860f03e4cac3c1720", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7973c89e10e6d0598a27a1a92b6e84f54b63a5aa56a61c6860f03e4cac3c1720", kill_on_drop: false }`
[INFO] [stdout] 7973c89e10e6d0598a27a1a92b6e84f54b63a5aa56a61c6860f03e4cac3c1720
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 060c4ec2687eea6364e1c0d580101da2bd3267501cc8107ce13b7ce09314c7ca
[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" "060c4ec2687eea6364e1c0d580101da2bd3267501cc8107ce13b7ce09314c7ca", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking pin-project-lite v0.2.4
[INFO] [stderr]     Checking futures-core v0.3.13
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking futures-sink v0.3.13
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking futures-task v0.3.13
[INFO] [stderr]     Checking futures-io v0.3.13
[INFO] [stderr]    Compiling curl v0.4.34
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking once_cell v1.7.0
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]     Checking base58 v0.1.0
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]     Checking bech32 v0.6.0
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling serde_json v1.0.63
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling httparse v1.3.5
[INFO] [stderr]     Checking snarkvm-profiler v0.0.5
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling bindgen v0.54.0
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.71
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking pin-project-lite v0.1.11
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling openssl v0.10.32
[INFO] [stderr]    Compiling bumpalo v3.6.1
[INFO] [stderr]    Compiling protobuf v2.22.0
[INFO] [stderr]     Checking utf-8 v0.7.5
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking cpuid-bool v0.2.0
[INFO] [stderr]    Compiling prometheus v0.11.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.71
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking ucd-trie v0.1.3
[INFO] [stderr]     Checking capnp v0.14.0
[INFO] [stderr]     Checking snarkos-profiler v1.2.0
[INFO] [stderr]    Compiling fsio v0.1.3
[INFO] [stderr]     Checking number_prefix v0.3.0
[INFO] [stderr]    Compiling self_update v0.23.0
[INFO] [stderr]     Checking ipnet v2.3.0
[INFO] [stderr]    Compiling nias v0.5.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking sharded-slab v0.1.1
[INFO] [stderr]     Checking futures-channel v0.3.13
[INFO] [stderr]     Checking itertools v0.10.0
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling tokio v1.2.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking tinyvec v1.1.1
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking http v0.2.3
[INFO] [stderr]     Checking input_buffer v0.4.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]    Compiling clang-sys v0.29.3
[INFO] [stderr]     Checking pest v2.1.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking capnpc v0.14.2
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking tracing v0.1.25
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking tracing-log v0.1.2
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]     Checking buf_redux v0.8.4
[INFO] [stderr]     Checking twoway v0.1.8
[INFO] [stderr]     Checking bstr v0.2.15
[INFO] [stderr]     Checking quick-xml v0.20.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking unicode-normalization v0.1.17
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking mio v0.7.9
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]     Checking terminal_size v0.1.16
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking semver-parser v0.10.2
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling snow v0.7.2
[INFO] [stderr]    Compiling snarkos v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stdout] error: couldn't read build.rs: No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `snarkos`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "060c4ec2687eea6364e1c0d580101da2bd3267501cc8107ce13b7ce09314c7ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "060c4ec2687eea6364e1c0d580101da2bd3267501cc8107ce13b7ce09314c7ca", kill_on_drop: false }`
[INFO] [stdout] 060c4ec2687eea6364e1c0d580101da2bd3267501cc8107ce13b7ce09314c7ca