[INFO] fetching crate webb-bulletproofs 2.0.3...
[INFO] checking webb-bulletproofs-2.0.3 against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] extracting crate webb-bulletproofs 2.0.3 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate webb-bulletproofs 2.0.3 on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-14/source/rust-toolchain
[INFO] started tweaking crates.io crate webb-bulletproofs 2.0.3
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate webb-bulletproofs 2.0.3
[INFO] tweaked toml for crates.io crate webb-bulletproofs 2.0.3 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--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 subtle v2.4.0
[INFO] [stderr]   Downloaded packed_simd_2 v0.3.5
[INFO] [stderr]   Downloaded serde_cbor v0.11.1
[INFO] [stderr]   Downloaded plotters-backend v0.3.2
[INFO] [stderr]   Downloaded plotters-svg v0.3.1
[INFO] [stderr]   Downloaded rustc_version v0.4.0
[INFO] [stderr]   Downloaded bstr v0.2.16
[INFO] [stderr]   Downloaded bincode v1.3.3
[INFO] [stderr]   Downloaded clear_on_drop v0.2.4
[INFO] [stderr]   Downloaded cast v0.2.7
[INFO] [stderr]   Downloaded itertools v0.9.0
[INFO] [stderr]   Downloaded regex-automata v0.1.10
[INFO] [stderr]   Downloaded curve25519-dalek v3.1.0
[INFO] [stderr]   Downloaded csv v1.1.6
[INFO] [stderr]   Downloaded sha3 v0.9.1
[INFO] [stderr]   Downloaded criterion-plot v0.4.3
[INFO] [stderr]   Downloaded sp-std v2.0.1
[INFO] [stderr]   Downloaded zeroize_derive v1.1.0
[INFO] [stderr]   Downloaded zeroize v1.3.0
[INFO] [stderr]   Downloaded criterion v0.3.4
[INFO] [stderr]   Downloaded merlin v2.0.1
[INFO] [stderr]   Downloaded libm v0.1.4
[INFO] [stderr]   Downloaded csv-core v0.1.10
[INFO] [stderr]   Downloaded oorandom v11.1.3
[INFO] [stderr]   Downloaded semver v1.0.3
[INFO] [stderr]   Downloaded itertools v0.10.1
[INFO] [stderr]   Downloaded block-padding v0.2.1
[INFO] [stderr]   Downloaded plotters v0.3.1
[INFO] [stderr]   Downloaded half v1.7.1
[INFO] [stderr]   Downloaded tinytemplate v1.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 48831c301fd2628ed6e4b8e24b07b314a7087537ea241806a524b93d00b5a7cb
[INFO] running `Command { std: "docker" "start" "-a" "48831c301fd2628ed6e4b8e24b07b314a7087537ea241806a524b93d00b5a7cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48831c301fd2628ed6e4b8e24b07b314a7087537ea241806a524b93d00b5a7cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48831c301fd2628ed6e4b8e24b07b314a7087537ea241806a524b93d00b5a7cb", kill_on_drop: false }`
[INFO] [stdout] 48831c301fd2628ed6e4b8e24b07b314a7087537ea241806a524b93d00b5a7cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 34b8899efec4ccc38e78125133311bd78f05cc7c30b77248302eea2eaba0e02e
[INFO] running `Command { std: "docker" "start" "-a" "34b8899efec4ccc38e78125133311bd78f05cc7c30b77248302eea2eaba0e02e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking plotters-backend v0.3.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]     Checking half v1.7.1
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling clear_on_drop v0.2.4
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]    Compiling semver v1.0.3
[INFO] [stderr]     Checking crossbeam-utils v0.8.5
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/subtle-2.4.0/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]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr] error: could not compile `subtle`
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[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" "34b8899efec4ccc38e78125133311bd78f05cc7c30b77248302eea2eaba0e02e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34b8899efec4ccc38e78125133311bd78f05cc7c30b77248302eea2eaba0e02e", kill_on_drop: false }`
[INFO] [stdout] 34b8899efec4ccc38e78125133311bd78f05cc7c30b77248302eea2eaba0e02e