[INFO] cloning repository https://github.com/mobilecoinofficial/mobilecoin
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mobilecoinofficial/mobilecoin" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmobilecoinofficial%2Fmobilecoin", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmobilecoinofficial%2Fmobilecoin'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 151aaabce9e8ec2aa2d8018c76e470c85c14f7d6
[INFO] checking mobilecoinofficial/mobilecoin against try#e0f03aec47b100bc29555561bd62a99d1bc6aca5 for pr-86231
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmobilecoinofficial%2Fmobilecoin" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mobilecoinofficial/mobilecoin on toolchain e0f03aec47b100bc29555561bd62a99d1bc6aca5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-15/source/.cargo/config
[INFO] removed /workspace/builds/worker-15/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/mobilecoinofficial/mobilecoin
[INFO] finished tweaking git repo https://github.com/mobilecoinofficial/mobilecoin
[INFO] tweaked toml for git repo https://github.com/mobilecoinofficial/mobilecoin written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/mobilecoinofficial/mobilecoin already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/mobilecoinofficial/AEADs`
[INFO] [stderr]     Updating git repository `https://github.com/eranrund/bulletproofs`
[INFO] [stderr]     Updating git repository `https://github.com/eranrund/RustCrypto-utils`
[INFO] [stderr]     Updating git repository `https://github.com/cormacrelf/datatest.git`
[INFO] [stderr]     Updating git repository `https://github.com/eranrund/ed25519-dalek.git`
[INFO] [stderr]     Updating git repository `https://github.com/jcape/grpc-rs`
[INFO] [stderr]     Updating git submodule `https://github.com/pingcap/grpc.git`
[INFO] [stderr]     Updating git submodule `https://github.com/abseil/abseil-cpp.git`
[INFO] [stderr]     Updating git submodule `https://github.com/google/benchmark`
[INFO] [stderr]     Updating git submodule `https://github.com/google/bloaty.git`
[INFO] [stderr]     Updating git submodule `https://github.com/google/googletest.git`
[INFO] [stderr]     Updating git submodule `https://chromium.googlesource.com/chromium/llvm-project/llvm/lib/Fuzzer`
[INFO] [stderr]     Updating git submodule `https://github.com/google/re2`
[INFO] [stderr]     Updating git submodule `https://github.com/google/boringssl.git`
[INFO] [stderr]     Updating git submodule `https://github.com/c-ares/c-ares.git`
[INFO] [stderr]     Updating git submodule `https://github.com/envoyproxy/data-plane-api.git`
[INFO] [stderr]     Updating git submodule `https://github.com/gflags/gflags.git`
[INFO] [stderr]     Updating git submodule `https://github.com/gflags/gflags.git`
[INFO] [stderr]     Updating git submodule `https://github.com/googleapis/googleapis.git`
[INFO] [stderr]     Updating git submodule `https://github.com/google/googletest.git`
[INFO] [stderr]     Updating git submodule `https://github.com/libuv/libuv.git`
[INFO] [stderr]     Updating git submodule `https://github.com/google/protobuf.git`
[INFO] [stderr]     Updating git submodule `https://github.com/google/benchmark.git`
[INFO] [stderr]     Updating git submodule `https://github.com/google/googletest.git`
[INFO] [stderr]     Updating git submodule `https://github.com/envoyproxy/protoc-gen-validate.git`
[INFO] [stderr]     Updating git submodule `https://github.com/cncf/udpa.git`
[INFO] [stderr]     Updating git submodule `https://github.com/madler/zlib`
[INFO] [stderr]     Updating git repository `https://github.com/mozilla/lmdb-rs`
[INFO] [stderr]     Updating git submodule `https://github.com/mozilla/lmdb`
[INFO] [stderr]     Updating git repository `https://github.com/mobilecoinofficial/schnorrkel`
[INFO] [stderr]     Updating git repository `https://github.com/mobilecoinofficial/cbor`
[INFO] [stderr]     Updating git repository `https://github.com/eranrund/x25519-dalek.git`
[INFO] [stderr]     Updating git repository `https://github.com/mobilecoinofficial/rust-mbedtls.git`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cmake v0.1.43
[INFO] [stderr]   Downloaded serial_test v0.5.0
[INFO] [stderr]   Downloaded pin-project v0.4.10
[INFO] [stderr]   Downloaded protobuf v2.22.1
[INFO] [stderr]   Downloaded slog-atomic v3.0.0
[INFO] [stderr]   Downloaded protoc-grpcio v2.0.0
[INFO] [stderr]   Downloaded retry v1.2.0
[INFO] [stderr]   Downloaded rjson v0.3.1
[INFO] [stderr]   Downloaded secrecy v0.4.1
[INFO] [stderr]   Downloaded slip10_ed25519 v0.1.3
[INFO] [stderr]   Downloaded slog-gelf v0.1.2
[INFO] [stderr]   Downloaded yasna v0.2.2
[INFO] [stderr]   Downloaded protoc v2.14.0
[INFO] [stderr]   Downloaded sentry v0.18.0
[INFO] [stderr]   Downloaded hmac-sha512 v0.1.9
[INFO] [stderr]   Downloaded cargo_metadata v0.9.1
[INFO] [stderr]   Downloaded sha2-asm v0.5.3
[INFO] [stderr]   Downloaded serial_test_derive v0.5.0
[INFO] [stderr]   Downloaded curve25519-dalek v4.0.0-pre.0
[INFO] [stderr]   Downloaded rusoto_s3 v0.42.0
[INFO] [stderr]   Downloaded plotters v0.2.14
[INFO] [stderr]   Downloaded cargo-emit v0.1.1
[INFO] [stderr]   Downloaded displaydoc v0.2.0
[INFO] [stderr]   Downloaded genio v0.2.1
[INFO] [stderr]   Downloaded async-compression v0.3.3
[INFO] [stderr]   Downloaded protobuf-codegen v2.22.1
[INFO] [stderr]   Downloaded tinytemplate v1.0.4
[INFO] [stderr]   Downloaded pin-project-internal v0.4.10
[INFO] [stderr]   Downloaded merlin v3.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d204407fbdb5fd8d4d656bfccbfb888b586c4fe8b8c636f0aa0f830c2194176a
[INFO] running `Command { std: "docker" "start" "-a" "d204407fbdb5fd8d4d656bfccbfb888b586c4fe8b8c636f0aa0f830c2194176a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d204407fbdb5fd8d4d656bfccbfb888b586c4fe8b8c636f0aa0f830c2194176a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d204407fbdb5fd8d4d656bfccbfb888b586c4fe8b8c636f0aa0f830c2194176a", kill_on_drop: false }`
[INFO] [stdout] d204407fbdb5fd8d4d656bfccbfb888b586c4fe8b8c636f0aa0f830c2194176a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d326e4d05e4123d075a9b043d1b36da94081001efa0c009dd56427b416dd3481
[INFO] running `Command { std: "docker" "start" "-a" "d326e4d05e4123d075a9b043d1b36da94081001efa0c009dd56427b416dd3481", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.45
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling anyhow v1.0.39
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling gimli v0.23.0
[INFO] [stderr]    Compiling serde_json v1.0.60
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling object v0.22.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking subtle v2.2.3
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/subtle-2.2.3/src/lib.rs:12:42
[INFO] [stdout]    |
[INFO] [stdout] 12 | #![cfg_attr(feature = "nightly", feature(external_doc))]
[INFO] [stdout]    |                                          ^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]    |
[INFO] [stdout]    = note: use #[doc = include_str!("filename")] instead, which handles macro invocations
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stderr]     Checking bytes v0.5.4
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking smallvec v1.4.0
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `subtle`
[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" "d326e4d05e4123d075a9b043d1b36da94081001efa0c009dd56427b416dd3481", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d326e4d05e4123d075a9b043d1b36da94081001efa0c009dd56427b416dd3481", kill_on_drop: false }`
[INFO] [stdout] d326e4d05e4123d075a9b043d1b36da94081001efa0c009dd56427b416dd3481