[INFO] cloning repository https://github.com/distributed-lab/bp-pp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/distributed-lab/bp-pp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdistributed-lab%2Fbp-pp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdistributed-lab%2Fbp-pp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c649684384439ca6e6b1c8752249bb47a49d5954
[INFO] checking distributed-lab/bp-pp against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdistributed-lab%2Fbp-pp" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/distributed-lab/bp-pp on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/distributed-lab/bp-pp
[INFO] finished tweaking git repo https://github.com/distributed-lab/bp-pp
[INFO] tweaked toml for git repo https://github.com/distributed-lab/bp-pp written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/distributed-lab/bp-pp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6632bb5f7d0e331be3b504b3a269002e205b9383ff04daf5c980b9eb07c60680
[INFO] running `Command { std: "docker" "start" "-a" "6632bb5f7d0e331be3b504b3a269002e205b9383ff04daf5c980b9eb07c60680", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6632bb5f7d0e331be3b504b3a269002e205b9383ff04daf5c980b9eb07c60680", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6632bb5f7d0e331be3b504b3a269002e205b9383ff04daf5c980b9eb07c60680", kill_on_drop: false }`
[INFO] [stdout] 6632bb5f7d0e331be3b504b3a269002e205b9383ff04daf5c980b9eb07c60680
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa3da656af2fa973eebc4fe05eeeb6ca726c1a09c31c1fdb0f015a47c1f54436
[INFO] running `Command { std: "docker" "start" "-a" "fa3da656af2fa973eebc4fe05eeeb6ca726c1a09c31c1fdb0f015a47c1f54436", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]     Checking const-oid v0.9.6
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking base16ct v0.2.0
[INFO] [stderr]    Compiling serde_json v1.0.114
[INFO] [stderr]     Checking cpufeatures v0.2.12
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking keccak v0.1.5
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]    Compiling syn v2.0.53
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking ff v0.13.0
[INFO] [stderr]     Checking group v0.13.0
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking zeroize v1.7.0
[INFO] [stderr]     Checking der v0.7.8
[INFO] [stderr]     Checking merlin v3.0.0
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking crypto-bigint v0.5.5
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking signature v2.2.0
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking rfc6979 v0.4.0
[INFO] [stderr]     Checking spki v0.7.3
[INFO] [stderr]     Checking pkcs8 v0.10.2
[INFO] [stderr]     Checking serdect v0.2.0
[INFO] [stderr]     Checking sec1 v0.7.3
[INFO] [stderr]     Checking elliptic-curve v0.13.8
[INFO] [stderr]     Checking ecdsa v0.16.9
[INFO] [stderr]     Checking k256 v0.13.3
[INFO] [stderr]     Checking bp-pp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.25s
[INFO] running `Command { std: "docker" "inspect" "fa3da656af2fa973eebc4fe05eeeb6ca726c1a09c31c1fdb0f015a47c1f54436", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa3da656af2fa973eebc4fe05eeeb6ca726c1a09c31c1fdb0f015a47c1f54436", kill_on_drop: false }`
[INFO] [stdout] fa3da656af2fa973eebc4fe05eeeb6ca726c1a09c31c1fdb0f015a47c1f54436
[INFO] checking distributed-lab/bp-pp against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdistributed-lab%2Fbp-pp" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/distributed-lab/bp-pp on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/distributed-lab/bp-pp
[INFO] finished tweaking git repo https://github.com/distributed-lab/bp-pp
[INFO] tweaked toml for git repo https://github.com/distributed-lab/bp-pp written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/distributed-lab/bp-pp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c57bcefc567844630b9461fe48346b58467c72a6d7f1f1c4661f55cb6dfb6dab
[INFO] running `Command { std: "docker" "start" "-a" "c57bcefc567844630b9461fe48346b58467c72a6d7f1f1c4661f55cb6dfb6dab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c57bcefc567844630b9461fe48346b58467c72a6d7f1f1c4661f55cb6dfb6dab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c57bcefc567844630b9461fe48346b58467c72a6d7f1f1c4661f55cb6dfb6dab", kill_on_drop: false }`
[INFO] [stdout] c57bcefc567844630b9461fe48346b58467c72a6d7f1f1c4661f55cb6dfb6dab
[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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 240b9dc8e41237f2ad43cbe6cacc62158bfaac12bb549c7e3eab4ba7963dce63
[INFO] running `Command { std: "docker" "start" "-a" "240b9dc8e41237f2ad43cbe6cacc62158bfaac12bb549c7e3eab4ba7963dce63", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking const-oid v0.9.6
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking base16ct v0.2.0
[INFO] [stderr]    Compiling serde_json v1.0.114
[INFO] [stderr]     Checking cpufeatures v0.2.12
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking keccak v0.1.5
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.53
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking ff v0.13.0
[INFO] [stderr]     Checking group v0.13.0
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking zeroize v1.7.0
[INFO] [stderr]     Checking der v0.7.8
[INFO] [stderr]     Checking merlin v3.0.0
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-bigint v0.5.5
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/der-0.7.8/src/writer/slice.rs:34:18
[INFO] [stdout]    |
[INFO] [stdout] 34 |             self.error(ErrorKind::Failed)?;
[INFO] [stdout]    |                  ^^^^^ cannot infer type of the type parameter `T` declared on the method `error`
[INFO] [stdout]    |
[INFO] [stdout] help: consider specifying the generic argument
[INFO] [stdout]    |
[INFO] [stdout] 34 |             self.error::<T>(ErrorKind::Failed)?;
[INFO] [stdout]    |                       +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking signature v2.2.0
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking rfc6979 v0.4.0
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `der` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "240b9dc8e41237f2ad43cbe6cacc62158bfaac12bb549c7e3eab4ba7963dce63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "240b9dc8e41237f2ad43cbe6cacc62158bfaac12bb549c7e3eab4ba7963dce63", kill_on_drop: false }`
[INFO] [stdout] 240b9dc8e41237f2ad43cbe6cacc62158bfaac12bb549c7e3eab4ba7963dce63