[INFO] fetching crate ophelia-bls-amcl 0.3.1...
[INFO] checking ophelia-bls-amcl-0.3.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate ophelia-bls-amcl 0.3.1 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate ophelia-bls-amcl 0.3.1 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ophelia-bls-amcl 0.3.1
[INFO] finished tweaking crates.io crate ophelia-bls-amcl 0.3.1
[INFO] tweaked toml for crates.io crate ophelia-bls-amcl 0.3.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 76 packages
[INFO] [stderr]       Adding amcl_wrapper v0.3.5 (latest: v0.4.0)
[INFO] [stderr]       Adding block-buffer v0.7.3 (latest: v0.10.4)
[INFO] [stderr]       Adding block-padding v0.1.5 (latest: v0.3.3)
[INFO] [stderr]       Adding digest v0.8.1 (latest: v0.10.7)
[INFO] [stderr]       Adding env_logger v0.8.4 (latest: v0.11.3)
[INFO] [stderr]       Adding generic-array v0.12.4 (latest: v1.0.0)
[INFO] [stderr]       Adding getrandom v0.1.16 (latest: v0.2.12)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding opaque-debug v0.2.3 (latest: v0.3.1)
[INFO] [stderr]       Adding rand v0.7.3 (latest: v0.8.5)
[INFO] [stderr]       Adding rand_chacha v0.2.2 (latest: v0.3.1)
[INFO] [stderr]       Adding rand_core v0.5.1 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_hc v0.2.0 (latest: v0.3.2)
[INFO] [stderr]       Adding sha3 v0.8.2 (latest: v0.10.8)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding synstructure v0.12.6 (latest: v0.13.1)
[INFO] [stderr]       Adding wasi v0.9.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ophelia-derive v0.3.0
[INFO] [stderr]   Downloaded miracl_amcl v3.2.5
[INFO] [stderr]   Downloaded ophelia-hasher v0.2.0
[INFO] [stderr]   Downloaded amcl_wrapper v0.3.5
[INFO] [stderr]   Downloaded secret_sharing v0.2.0
[INFO] [stderr]   Downloaded bls_amcl_hotfix v0.7.2
[INFO] [stderr]   Downloaded sha3 v0.8.2
[INFO] [stderr]   Downloaded ophelia v0.3.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] edf6dc37a8cb3f0bcf05e569db5180bd8e39bdfbd0d2f1728a8d84e6b2001d93
[INFO] running `Command { std: "docker" "start" "-a" "edf6dc37a8cb3f0bcf05e569db5180bd8e39bdfbd0d2f1728a8d84e6b2001d93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "edf6dc37a8cb3f0bcf05e569db5180bd8e39bdfbd0d2f1728a8d84e6b2001d93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edf6dc37a8cb3f0bcf05e569db5180bd8e39bdfbd0d2f1728a8d84e6b2001d93", kill_on_drop: false }`
[INFO] [stdout] edf6dc37a8cb3f0bcf05e569db5180bd8e39bdfbd0d2f1728a8d84e6b2001d93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b6da0a84ca942f84336cd6e36c4cb7745a004711c9e4cbfeb53498f671640df
[INFO] running `Command { std: "docker" "start" "-a" "8b6da0a84ca942f84336cd6e36c4cb7745a004711c9e4cbfeb53498f671640df", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking miracl_amcl v3.2.5
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking subtle-encoding v0.5.1
[INFO] [stderr]     Checking ophelia-hasher v0.2.0
[INFO] [stderr]     Checking sha3 v0.8.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking ophelia v0.3.4
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking amcl_wrapper v0.3.5
[INFO] [stderr]     Checking backtrace v0.3.71
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]     Checking quickcheck v1.0.3
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling ophelia-derive v0.3.0
[INFO] [stderr]    Compiling quickcheck_macros v1.0.0
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking secret_sharing v0.2.0
[INFO] [stderr]     Checking bls_amcl_hotfix v0.7.2
[INFO] [stderr]     Checking ophelia-bls-amcl v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.35s
[INFO] running `Command { std: "docker" "inspect" "8b6da0a84ca942f84336cd6e36c4cb7745a004711c9e4cbfeb53498f671640df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b6da0a84ca942f84336cd6e36c4cb7745a004711c9e4cbfeb53498f671640df", kill_on_drop: false }`
[INFO] [stdout] 8b6da0a84ca942f84336cd6e36c4cb7745a004711c9e4cbfeb53498f671640df
[INFO] checking ophelia-bls-amcl-0.3.1 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate ophelia-bls-amcl 0.3.1 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate ophelia-bls-amcl 0.3.1 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ophelia-bls-amcl 0.3.1
[INFO] finished tweaking crates.io crate ophelia-bls-amcl 0.3.1
[INFO] tweaked toml for crates.io crate ophelia-bls-amcl 0.3.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] edc6d7f2b4485da0f6f9106963c2a2bb8176d46338f1015f6662f75eb8dc7606
[INFO] running `Command { std: "docker" "start" "-a" "edc6d7f2b4485da0f6f9106963c2a2bb8176d46338f1015f6662f75eb8dc7606", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "edc6d7f2b4485da0f6f9106963c2a2bb8176d46338f1015f6662f75eb8dc7606", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edc6d7f2b4485da0f6f9106963c2a2bb8176d46338f1015f6662f75eb8dc7606", kill_on_drop: false }`
[INFO] [stdout] edc6d7f2b4485da0f6f9106963c2a2bb8176d46338f1015f6662f75eb8dc7606
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1aa4ccd30410fbc1e2fbe7c6c5d3b9971f6807a8038747a62295d0c3447ab1f1
[INFO] running `Command { std: "docker" "start" "-a" "1aa4ccd30410fbc1e2fbe7c6c5d3b9971f6807a8038747a62295d0c3447ab1f1", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking subtle-encoding v0.5.1
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]     Checking miracl_amcl v3.2.5
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking ophelia-hasher v0.2.0
[INFO] [stderr]     Checking sha3 v0.8.2
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/subtle-encoding-0.5.1/src/error.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |             Err($err)?;
[INFO] [stdout]    |             ^^^^^^^^^ cannot infer type
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/subtle-encoding-0.5.1/src/base64.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |         ensure!(self.decoded_len(src)? <= dst.len(), LengthInvalid);
[INFO] [stdout]    |         ----------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `ensure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/subtle-encoding-0.5.1/src/error.rs:54:13
[INFO] [stdout]     |
[INFO] [stdout] 54  |             Err($err)?;
[INFO] [stdout]     |             ^^^^^^^^^ cannot infer type
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/subtle-encoding-0.5.1/src/hex.rs:117:9
[INFO] [stdout]     |
[INFO] [stdout] 117 |         ensure!(dst_length <= dst.len(), LengthInvalid);
[INFO] [stdout]     |         ----------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `ensure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/subtle-encoding-0.5.1/src/error.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |             Err($err)?;
[INFO] [stdout]    |             ^^^^^^^^^ cannot infer type
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/subtle-encoding-0.5.1/src/identity.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |         ensure!(self.encoded_len(src) == dst.len(), LengthInvalid);
[INFO] [stdout]    |         ---------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `ensure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/subtle-encoding-0.5.1/src/error.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |             Err($err)?;
[INFO] [stdout]    |             ^^^^^^^^^ cannot infer type
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/subtle-encoding-0.5.1/src/identity.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |         ensure!(self.decoded_len(src)? == dst.len(), LengthInvalid);
[INFO] [stdout]    |         ----------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `ensure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `subtle-encoding` (lib) due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "1aa4ccd30410fbc1e2fbe7c6c5d3b9971f6807a8038747a62295d0c3447ab1f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1aa4ccd30410fbc1e2fbe7c6c5d3b9971f6807a8038747a62295d0c3447ab1f1", kill_on_drop: false }`
[INFO] [stdout] 1aa4ccd30410fbc1e2fbe7c6c5d3b9971f6807a8038747a62295d0c3447ab1f1