[INFO] fetching crate zffmetareader 0.10.1... [INFO] checking zffmetareader-0.10.1 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate zffmetareader 0.10.1 into /workspace/builds/worker-4-tc1/source [INFO] validating manifest of crates.io crate zffmetareader 0.10.1 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 crates.io crate zffmetareader 0.10.1 [INFO] finished tweaking crates.io crate zffmetareader 0.10.1 [INFO] tweaked toml for crates.io crate zffmetareader 0.10.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate crates.io crate zffmetareader 0.10.1 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 lz4_flex v0.9.2 [INFO] [stderr] Downloaded pkcs5 v0.3.2 [INFO] [stderr] Downloaded ed25519 v1.3.0 [INFO] [stderr] Downloaded zeroize_derive v1.2.2 [INFO] [stderr] Downloaded crypto-common v0.1.0 [INFO] [stderr] Downloaded pbkdf2 v0.10.0 [INFO] [stderr] Downloaded zff v0.10.1 [INFO] [stderr] Downloaded slice v0.0.4 [INFO] [stderr] Downloaded digest v0.10.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 6393f4531166265f13bb328a2c0aa5bb4c12c12dd535be7a0ae891ee4e975a43 [INFO] running `Command { std: "docker" "start" "-a" "6393f4531166265f13bb328a2c0aa5bb4c12c12dd535be7a0ae891ee4e975a43", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6393f4531166265f13bb328a2c0aa5bb4c12c12dd535be7a0ae891ee4e975a43", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6393f4531166265f13bb328a2c0aa5bb4c12c12dd535be7a0ae891ee4e975a43", kill_on_drop: false }` [INFO] [stdout] 6393f4531166265f13bb328a2c0aa5bb4c12c12dd535be7a0ae891ee4e975a43 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 8285cd85a284345fcc0c9bed24c6e7923b8c8c46bb1c2d6fccd64c5a75793201 [INFO] running `Command { std: "docker" "start" "-a" "8285cd85a284345fcc0c9bed24c6e7923b8c8c46bb1c2d6fccd64c5a75793201", kill_on_drop: false }` [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling typenum v1.14.0 [INFO] [stderr] Compiling libc v0.2.109 [INFO] [stderr] Checking subtle v2.4.1 [INFO] [stderr] Compiling proc-macro2 v1.0.33 [INFO] [stderr] Compiling syn v1.0.82 [INFO] [stderr] Checking opaque-debug v0.3.0 [INFO] [stderr] Checking cpufeatures v0.2.1 [INFO] [stderr] Compiling serde_derive v1.0.130 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Checking const-oid v0.6.2 [INFO] [stderr] Compiling zstd-safe v4.1.1+zstd.1.5.0 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking signature v1.4.0 [INFO] [stderr] Compiling crc32fast v1.3.0 [INFO] [stderr] Compiling ryu v1.0.6 [INFO] [stderr] Checking twox-hash v1.6.1 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Checking ed25519 v1.3.0 [INFO] [stderr] Checking keccak v0.1.0 [INFO] [stderr] Checking der v0.4.5 [INFO] [stderr] Compiling serde_json v1.0.72 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking slice v0.0.4 [INFO] [stderr] Checking base64 v0.13.0 [INFO] [stderr] Checking lz4_flex v0.9.2 [INFO] [stderr] Compiling generic-array v0.14.4 [INFO] [stderr] Checking spki v0.4.1 [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Compiling jobserver v0.1.24 [INFO] [stderr] Checking getrandom v0.1.16 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking time v0.3.5 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Compiling cc v1.0.72 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking digest v0.9.0 [INFO] [stderr] Checking cipher v0.3.0 [INFO] [stderr] Checking block-buffer v0.10.0 [INFO] [stderr] Checking crypto-common v0.1.0 [INFO] [stderr] Checking block-buffer v0.9.0 [INFO] [stderr] Checking crypto-mac v0.11.1 [INFO] [stderr] Checking universal-hash v0.4.1 [INFO] [stderr] Checking aead v0.4.3 [INFO] [stderr] Checking crypto-mac v0.8.0 [INFO] [stderr] Compiling zstd-sys v1.6.1+zstd.1.5.0 [INFO] [stderr] Checking digest v0.10.0 [INFO] [stderr] Checking pbkdf2 v0.9.0 [INFO] [stderr] Checking polyval v0.5.3 [INFO] [stderr] Checking sha2 v0.9.8 [INFO] [stderr] Checking hmac v0.11.0 [INFO] [stderr] Checking sha3 v0.9.1 [INFO] [stderr] Checking blake2 v0.9.2 [INFO] [stderr] Checking salsa20 v0.9.0 [INFO] [stderr] Checking aes v0.7.5 [INFO] [stderr] Checking block-modes v0.8.1 [INFO] [stderr] Checking ctr v0.8.0 [INFO] [stderr] Checking hmac v0.12.0 [INFO] [stderr] Checking sha2 v0.10.0 [INFO] [stderr] Checking pbkdf2 v0.10.0 [INFO] [stderr] Checking scrypt v0.8.1 [INFO] [stderr] Checking pkcs5 v0.3.2 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Compiling zeroize_derive v1.2.2 [INFO] [stderr] Checking zeroize v1.3.0 [INFO] [stderr] Checking curve25519-dalek v3.2.0 [INFO] [stderr] Checking aes-gcm-siv v0.10.3 [INFO] [stderr] Checking ed25519-dalek v1.0.1 [INFO] [stderr] Checking toml v0.5.8 [INFO] [stderr] Checking zstd v0.9.0+zstd.1.5.0 [INFO] [stderr] Checking zff v0.10.1 [INFO] [stderr] Checking zffmetareader v0.10.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: found module declaration for lib.rs [INFO] [stdout] --> src/bin/main.rs:9:1 [INFO] [stdout] | [INFO] [stdout] 9 | mod lib; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: lib.rs is the root of this crate's library target [INFO] [stdout] = help: to refer to it from other targets, use the library's name as the path [INFO] [stdout] = note: `#[warn(special_module_name)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `toml` is imported redundantly [INFO] [stdout] --> src/bin/main.rs:26:5 [INFO] [stdout] | [INFO] [stdout] 26 | use toml; [INFO] [stdout] | ^^^^ the item `toml` 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 `serde_json` is imported redundantly [INFO] [stdout] --> src/bin/main.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 27 | use serde_json; [INFO] [stdout] | ^^^^^^^^^^ the item `serde_json` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `base64` is imported redundantly [INFO] [stdout] --> src/bin/main.rs:28:5 [INFO] [stdout] | [INFO] [stdout] 28 | use base64; [INFO] [stdout] | ^^^^^^ the item `base64` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: found module declaration for lib.rs [INFO] [stdout] --> src/bin/main.rs:9:1 [INFO] [stdout] | [INFO] [stdout] 9 | mod lib; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: lib.rs is the root of this crate's library target [INFO] [stdout] = help: to refer to it from other targets, use the library's name as the path [INFO] [stdout] = note: `#[warn(special_module_name)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `toml` is imported redundantly [INFO] [stdout] --> src/bin/main.rs:26:5 [INFO] [stdout] | [INFO] [stdout] 26 | use toml; [INFO] [stdout] | ^^^^ the item `toml` 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 `serde_json` is imported redundantly [INFO] [stdout] --> src/bin/main.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 27 | use serde_json; [INFO] [stdout] | ^^^^^^^^^^ the item `serde_json` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `base64` is imported redundantly [INFO] [stdout] --> src/bin/main.rs:28:5 [INFO] [stdout] | [INFO] [stdout] 28 | use base64; [INFO] [stdout] | ^^^^^^ the item `base64` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.58s [INFO] running `Command { std: "docker" "inspect" "8285cd85a284345fcc0c9bed24c6e7923b8c8c46bb1c2d6fccd64c5a75793201", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8285cd85a284345fcc0c9bed24c6e7923b8c8c46bb1c2d6fccd64c5a75793201", kill_on_drop: false }` [INFO] [stdout] 8285cd85a284345fcc0c9bed24c6e7923b8c8c46bb1c2d6fccd64c5a75793201 [INFO] checking zffmetareader-0.10.1 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate zffmetareader 0.10.1 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate zffmetareader 0.10.1 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 crates.io crate zffmetareader 0.10.1 [INFO] finished tweaking crates.io crate zffmetareader 0.10.1 [INFO] tweaked toml for crates.io crate zffmetareader 0.10.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate crates.io crate zffmetareader 0.10.1 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 10c5cb466b779fe84e17a69f5b5d4e3fd44488d7e59ee6810f1ce8156c9a3429 [INFO] running `Command { std: "docker" "start" "-a" "10c5cb466b779fe84e17a69f5b5d4e3fd44488d7e59ee6810f1ce8156c9a3429", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "10c5cb466b779fe84e17a69f5b5d4e3fd44488d7e59ee6810f1ce8156c9a3429", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "10c5cb466b779fe84e17a69f5b5d4e3fd44488d7e59ee6810f1ce8156c9a3429", kill_on_drop: false }` [INFO] [stdout] 10c5cb466b779fe84e17a69f5b5d4e3fd44488d7e59ee6810f1ce8156c9a3429 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] c762f70f9ad90edc2ee81ea39dfcde07a55fa2eaced98700b37cee76f930974f [INFO] running `Command { std: "docker" "start" "-a" "c762f70f9ad90edc2ee81ea39dfcde07a55fa2eaced98700b37cee76f930974f", kill_on_drop: false }` [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling typenum v1.14.0 [INFO] [stderr] Compiling libc v0.2.109 [INFO] [stderr] Checking subtle v2.4.1 [INFO] [stderr] Compiling proc-macro2 v1.0.33 [INFO] [stderr] Compiling syn v1.0.82 [INFO] [stderr] Checking opaque-debug v0.3.0 [INFO] [stderr] Checking cpufeatures v0.2.1 [INFO] [stderr] Compiling serde_derive v1.0.130 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Checking const-oid v0.6.2 [INFO] [stderr] Compiling zstd-safe v4.1.1+zstd.1.5.0 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Compiling ryu v1.0.6 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking signature v1.4.0 [INFO] [stderr] Compiling crc32fast v1.3.0 [INFO] [stderr] Checking twox-hash v1.6.1 [INFO] [stderr] Checking ed25519 v1.3.0 [INFO] [stderr] Compiling serde_json v1.0.72 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Checking der v0.4.5 [INFO] [stderr] Checking keccak v0.1.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking base64 v0.13.0 [INFO] [stderr] Checking slice v0.0.4 [INFO] [stderr] Checking lz4_flex v0.9.2 [INFO] [stderr] Compiling generic-array v0.14.4 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/der-0.4.5/src/encoder.rs:28:18 [INFO] [stdout] | [INFO] [stdout] 28 | 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] 28 | self.error::(ErrorKind::Failed)?; [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/der-0.4.5/src/encoder.rs:182:18 [INFO] [stdout] | [INFO] [stdout] 182 | self.error(ErrorKind::Overlength)?; [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] 182 | self.error::(ErrorKind::Overlength)?; [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 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 `der` (lib) due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "c762f70f9ad90edc2ee81ea39dfcde07a55fa2eaced98700b37cee76f930974f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c762f70f9ad90edc2ee81ea39dfcde07a55fa2eaced98700b37cee76f930974f", kill_on_drop: false }` [INFO] [stdout] c762f70f9ad90edc2ee81ea39dfcde07a55fa2eaced98700b37cee76f930974f