[INFO] cloning repository https://github.com/ntua-el19062/block_chat [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ntua-el19062/block_chat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fntua-el19062%2Fblock_chat", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fntua-el19062%2Fblock_chat'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 50232869be636fe595acdb6bb47a10fb7e6231ea [INFO] checking ntua-el19062/block_chat against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fntua-el19062%2Fblock_chat" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ntua-el19062/block_chat 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/ntua-el19062/block_chat [INFO] finished tweaking git repo https://github.com/ntua-el19062/block_chat [INFO] tweaked toml for git repo https://github.com/ntua-el19062/block_chat written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/ntua-el19062/block_chat 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] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded num-integer v0.1.46 [INFO] [stderr] Downloaded clap_derive v4.5.4 [INFO] [stderr] Downloaded clap v4.5.4 [INFO] [stderr] Downloaded delegate v0.8.0 [INFO] [stderr] Downloaded non-empty-string v0.2.4 [INFO] [stderr] Downloaded num-iter v0.1.44 [INFO] [stderr] Downloaded const-oid v0.9.6 [INFO] [stderr] Downloaded regex-syntax v0.8.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 384a3168753064bd83dd8abfeba5aff3096cab909ec418678714b03e80a2a421 [INFO] running `Command { std: "docker" "start" "-a" "384a3168753064bd83dd8abfeba5aff3096cab909ec418678714b03e80a2a421", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "384a3168753064bd83dd8abfeba5aff3096cab909ec418678714b03e80a2a421", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "384a3168753064bd83dd8abfeba5aff3096cab909ec418678714b03e80a2a421", kill_on_drop: false }` [INFO] [stdout] 384a3168753064bd83dd8abfeba5aff3096cab909ec418678714b03e80a2a421 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 71f00130292162c99d5f21e8ce0c0282fca06b5510cce20543633b7540e97144 [INFO] running `Command { std: "docker" "start" "-a" "71f00130292162c99d5f21e8ce0c0282fca06b5510cce20543633b7540e97144", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.79 [INFO] [stderr] Checking const-oid v0.9.6 [INFO] [stderr] Compiling autocfg v1.2.0 [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Checking base64ct v1.6.0 [INFO] [stderr] Checking zeroize v1.7.0 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Checking anstyle-parse v0.2.3 [INFO] [stderr] Checking regex-syntax v0.8.3 [INFO] [stderr] Checking anstyle-query v1.0.2 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking anstyle v1.0.6 [INFO] [stderr] Checking pem-rfc7468 v0.7.0 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking der v0.7.8 [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Checking anstream v0.6.13 [INFO] [stderr] Checking digest v0.10.7 [INFO] [stderr] Compiling num-bigint-dig v0.8.4 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Compiling heck v0.5.0 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Compiling thiserror v1.0.58 [INFO] [stderr] Checking cpufeatures v0.2.12 [INFO] [stderr] Compiling syn v2.0.55 [INFO] [stderr] Checking strsim v0.11.0 [INFO] [stderr] Compiling serde_json v1.0.115 [INFO] [stderr] Checking regex-automata v0.4.6 [INFO] [stderr] Checking smallvec v1.13.2 [INFO] [stderr] Checking clap_lex v0.7.0 [INFO] [stderr] Checking log v0.4.21 [INFO] [stderr] Checking spki v0.7.3 [INFO] [stderr] Checking clap_builder v4.5.2 [INFO] [stderr] Checking sha2 v0.10.8 [INFO] [stderr] Checking signature v2.2.0 [INFO] [stderr] Checking pkcs8 v0.10.2 [INFO] [stderr] Checking ryu v1.0.17 [INFO] [stderr] Checking pkcs1 v0.7.5 [INFO] [stderr] Checking humantime v2.1.0 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking itoa v1.0.11 [INFO] [stderr] Checking num-iter v0.1.44 [INFO] [stderr] Checking regex v1.10.4 [INFO] [stderr] Checking env_filter v0.1.0 [INFO] [stderr] Checking env_logger v0.11.3 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Compiling clap_derive v4.5.4 [INFO] [stderr] Compiling thiserror-impl v1.0.58 [INFO] [stderr] Compiling delegate v0.8.0 [INFO] [stderr] Checking clap v4.5.4 [INFO] [stderr] Checking non-empty-string v0.2.4 [INFO] [stderr] Checking rsa v0.9.6 [INFO] [stderr] Checking block_chat v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `hex` is imported redundantly [INFO] [stdout] --> src/crypto.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | use hex::{self, ToHex}; [INFO] [stdout] | ^^^^ the item `hex` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `FromIterator` is imported redundantly [INFO] [stdout] --> src/crypto.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | iter::FromIterator, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `FromIterator` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `hex` is imported redundantly [INFO] [stdout] --> src/crypto.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | use hex::{self, ToHex}; [INFO] [stdout] | ^^^^ the item `hex` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `FromIterator` is imported redundantly [INFO] [stdout] --> src/crypto.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | iter::FromIterator, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `FromIterator` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.89s [INFO] running `Command { std: "docker" "inspect" "71f00130292162c99d5f21e8ce0c0282fca06b5510cce20543633b7540e97144", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "71f00130292162c99d5f21e8ce0c0282fca06b5510cce20543633b7540e97144", kill_on_drop: false }` [INFO] [stdout] 71f00130292162c99d5f21e8ce0c0282fca06b5510cce20543633b7540e97144 [INFO] checking ntua-el19062/block_chat against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fntua-el19062%2Fblock_chat" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ntua-el19062/block_chat 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/ntua-el19062/block_chat [INFO] finished tweaking git repo https://github.com/ntua-el19062/block_chat [INFO] tweaked toml for git repo https://github.com/ntua-el19062/block_chat written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/ntua-el19062/block_chat 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 40370de77bc61f0fd1c9e40d1baf9284b2cdf581e68eb608dd8f50e3849dd6c0 [INFO] running `Command { std: "docker" "start" "-a" "40370de77bc61f0fd1c9e40d1baf9284b2cdf581e68eb608dd8f50e3849dd6c0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "40370de77bc61f0fd1c9e40d1baf9284b2cdf581e68eb608dd8f50e3849dd6c0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "40370de77bc61f0fd1c9e40d1baf9284b2cdf581e68eb608dd8f50e3849dd6c0", kill_on_drop: false }` [INFO] [stdout] 40370de77bc61f0fd1c9e40d1baf9284b2cdf581e68eb608dd8f50e3849dd6c0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] ca401a438bd35da00f82a92f2c5f54d87eea4b75ae29cdeb6191a60e3d8ff78c [INFO] running `Command { std: "docker" "start" "-a" "ca401a438bd35da00f82a92f2c5f54d87eea4b75ae29cdeb6191a60e3d8ff78c", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.79 [INFO] [stderr] Checking const-oid v0.9.6 [INFO] [stderr] Compiling autocfg v1.2.0 [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Checking base64ct v1.6.0 [INFO] [stderr] Checking generic-array v0.14.7 [INFO] [stderr] Checking zeroize v1.7.0 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Checking anstyle-parse v0.2.3 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking pem-rfc7468 v0.7.0 [INFO] [stderr] Checking anstyle-query v1.0.2 [INFO] [stderr] Checking regex-syntax v0.8.3 [INFO] [stderr] Checking der v0.7.8 [INFO] [stderr] Checking anstyle v1.0.6 [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking anstream v0.6.13 [INFO] [stderr] Checking crypto-common v0.1.6 [INFO] [stderr] Checking block-buffer v0.10.4 [INFO] [stderr] Checking spin v0.5.2 [INFO] [stderr] Compiling num-bigint-dig v0.8.4 [INFO] [stderr] Checking digest v0.10.7 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking smallvec v1.13.2 [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::(ErrorKind::Failed)?; [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling syn v2.0.55 [INFO] [stderr] Checking strsim v0.11.0 [INFO] [stderr] Compiling heck v0.5.0 [INFO] [stderr] Checking log v0.4.21 [INFO] [stderr] Checking regex-automata v0.4.6 [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" "ca401a438bd35da00f82a92f2c5f54d87eea4b75ae29cdeb6191a60e3d8ff78c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ca401a438bd35da00f82a92f2c5f54d87eea4b75ae29cdeb6191a60e3d8ff78c", kill_on_drop: false }` [INFO] [stdout] ca401a438bd35da00f82a92f2c5f54d87eea4b75ae29cdeb6191a60e3d8ff78c