[INFO] cloning repository https://github.com/BastianAsmussen/TosCoin
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BastianAsmussen/TosCoin" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBastianAsmussen%2FTosCoin", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBastianAsmussen%2FTosCoin'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e32c80c7dce40fd34b1fd2358f42e665aecf3e7d
[INFO] checking BastianAsmussen/TosCoin against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBastianAsmussen%2FTosCoin" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BastianAsmussen/TosCoin 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/BastianAsmussen/TosCoin
[INFO] finished tweaking git repo https://github.com/BastianAsmussen/TosCoin
[INFO] tweaked toml for git repo https://github.com/BastianAsmussen/TosCoin written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/BastianAsmussen/TosCoin 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fiat-crypto v0.2.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 429d1f2fa89e6493fee30180c9bd5d2a58e1f294f4d1a39c9a8415ad0928ac53
[INFO] running `Command { std: "docker" "start" "-a" "429d1f2fa89e6493fee30180c9bd5d2a58e1f294f4d1a39c9a8415ad0928ac53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "429d1f2fa89e6493fee30180c9bd5d2a58e1f294f4d1a39c9a8415ad0928ac53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "429d1f2fa89e6493fee30180c9bd5d2a58e1f294f4d1a39c9a8415ad0928ac53", kill_on_drop: false }`
[INFO] [stdout] 429d1f2fa89e6493fee30180c9bd5d2a58e1f294f4d1a39c9a8415ad0928ac53
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] d1e748b1a9130f31334698f44fcf8412586795222488ef6c95ce85f729794c33
[INFO] running `Command { std: "docker" "start" "-a" "d1e748b1a9130f31334698f44fcf8412586795222488ef6c95ce85f729794c33", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling semver v1.0.21
[INFO] [stderr]     Checking zeroize v1.7.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]     Checking const-oid v0.9.6
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling platforms v3.3.0
[INFO] [stderr]     Checking cpufeatures v0.2.12
[INFO] [stderr]     Checking der v0.7.8
[INFO] [stderr]     Checking signature v2.2.0
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]    Compiling anyhow v1.0.79
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]    Compiling serde_json v1.0.113
[INFO] [stderr]     Checking keccak v0.1.5
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling curve25519-dalek v4.1.2
[INFO] [stderr]     Checking spki v0.7.3
[INFO] [stderr]     Checking pkcs8 v0.10.2
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking sha3 v0.10.8
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]    Compiling curve25519-dalek-derive v0.1.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]     Checking ed25519 v2.2.3
[INFO] [stderr]     Checking ed25519-dalek v2.1.1
[INFO] [stderr]     Checking tos_coin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.85s
[INFO] running `Command { std: "docker" "inspect" "d1e748b1a9130f31334698f44fcf8412586795222488ef6c95ce85f729794c33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1e748b1a9130f31334698f44fcf8412586795222488ef6c95ce85f729794c33", kill_on_drop: false }`
[INFO] [stdout] d1e748b1a9130f31334698f44fcf8412586795222488ef6c95ce85f729794c33
[INFO] checking BastianAsmussen/TosCoin against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBastianAsmussen%2FTosCoin" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BastianAsmussen/TosCoin 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/BastianAsmussen/TosCoin
[INFO] finished tweaking git repo https://github.com/BastianAsmussen/TosCoin
[INFO] tweaked toml for git repo https://github.com/BastianAsmussen/TosCoin written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/BastianAsmussen/TosCoin 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 52059603635a8ca44ebe714b2c70075b3f81540d13a273ca9a298850753fb392
[INFO] running `Command { std: "docker" "start" "-a" "52059603635a8ca44ebe714b2c70075b3f81540d13a273ca9a298850753fb392", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "52059603635a8ca44ebe714b2c70075b3f81540d13a273ca9a298850753fb392", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52059603635a8ca44ebe714b2c70075b3f81540d13a273ca9a298850753fb392", kill_on_drop: false }`
[INFO] [stdout] 52059603635a8ca44ebe714b2c70075b3f81540d13a273ca9a298850753fb392
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 862e3cf2cb5f29a4ad656cfb397c145863f01678494e1a5d8a2a994c791167f7
[INFO] running `Command { std: "docker" "start" "-a" "862e3cf2cb5f29a4ad656cfb397c145863f01678494e1a5d8a2a994c791167f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling semver v1.0.21
[INFO] [stderr]     Checking zeroize v1.7.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking const-oid v0.9.6
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]    Compiling platforms v3.3.0
[INFO] [stderr]     Checking cpufeatures v0.2.12
[INFO] [stderr]     Checking der v0.7.8
[INFO] [stderr]    Compiling serde_json v1.0.113
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]    Compiling anyhow v1.0.79
[INFO] [stderr]     Checking signature v2.2.0
[INFO] [stderr]     Checking ryu v1.0.16
[INFO] [stderr]     Checking keccak v0.1.5
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling syn v2.0.48
[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]    Compiling curve25519-dalek v4.1.2
[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" "862e3cf2cb5f29a4ad656cfb397c145863f01678494e1a5d8a2a994c791167f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "862e3cf2cb5f29a4ad656cfb397c145863f01678494e1a5d8a2a994c791167f7", kill_on_drop: false }`
[INFO] [stdout] 862e3cf2cb5f29a4ad656cfb397c145863f01678494e1a5d8a2a994c791167f7