[INFO] cloning repository https://github.com/Azanul/fireship-io-crypto-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Azanul/fireship-io-crypto-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAzanul%2Ffireship-io-crypto-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAzanul%2Ffireship-io-crypto-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a90c38271fb665dc1afa24ff83c458d674bc76b4
[INFO] checking Azanul/fireship-io-crypto-rust against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAzanul%2Ffireship-io-crypto-rust" "/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/Azanul/fireship-io-crypto-rust 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/Azanul/fireship-io-crypto-rust
[INFO] finished tweaking git repo https://github.com/Azanul/fireship-io-crypto-rust
[INFO] tweaked toml for git repo https://github.com/Azanul/fireship-io-crypto-rust written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Azanul/fireship-io-crypto-rust 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 block-padding v0.3.2
[INFO] [stderr]   Downloaded aes v0.8.1
[INFO] [stderr]   Downloaded argon2 v0.4.1
[INFO] [stderr]   Downloaded num-bigint-dig v0.8.1
[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] 6df71256d017b858713e507f3c7aa3ef014bebb5c0644a527a374c184b7d83e7
[INFO] running `Command { std: "docker" "start" "-a" "6df71256d017b858713e507f3c7aa3ef014bebb5c0644a527a374c184b7d83e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6df71256d017b858713e507f3c7aa3ef014bebb5c0644a527a374c184b7d83e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6df71256d017b858713e507f3c7aa3ef014bebb5c0644a527a374c184b7d83e7", kill_on_drop: false }`
[INFO] [stdout] 6df71256d017b858713e507f3c7aa3ef014bebb5c0644a527a374c184b7d83e7
[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] d6db4fea7ea7036b8def631d045eed2e74a051b10d0cd3af4ee1dc69270851da
[INFO] running `Command { std: "docker" "start" "-a" "d6db4fea7ea7036b8def631d045eed2e74a051b10d0cd3af4ee1dc69270851da", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking base64ct v1.5.1
[INFO] [stderr]    Compiling libm v0.2.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]     Checking block-padding v0.3.2
[INFO] [stderr]     Checking crypto-bigint v0.3.2
[INFO] [stderr]     Checking inout v0.1.3
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]     Checking pem-rfc7468 v0.3.1
[INFO] [stderr]     Checking const-oid v0.7.1
[INFO] [stderr]     Checking cipher v0.4.3
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking zeroize v1.5.6
[INFO] [stderr]    Compiling num-bigint-dig v0.8.1
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]     Checking der v0.5.1
[INFO] [stderr]    Compiling serde_json v1.0.82
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking salsa20 v0.10.2
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking blake2 v0.10.4
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking pbkdf2 v0.11.0
[INFO] [stderr]     Checking aes v0.8.1
[INFO] [stderr]     Checking cbc v0.1.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking password-hash v0.4.2
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking spki v0.5.4
[INFO] [stderr]     Checking argon2 v0.4.1
[INFO] [stderr]     Checking scrypt v0.10.0
[INFO] [stderr]     Checking pkcs8 v0.8.0
[INFO] [stderr]     Checking num-integer v0.1.45
[INFO] [stderr]     Checking pkcs1 v0.3.3
[INFO] [stderr]     Checking rsa v0.6.1
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]     Checking serde v1.0.137
[INFO] [stderr]     Checking fireship-io-crypto-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `cbc` is imported redundantly
[INFO] [stdout]  --> src/../src/symmetric-encrypt.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use cbc;
[INFO] [stdout]   |     ^^^ the item `cbc` 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 `cbc` is imported redundantly
[INFO] [stdout]  --> src/../src/symmetric-encrypt.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use cbc;
[INFO] [stdout]   |     ^^^ the item `cbc` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.68s
[INFO] running `Command { std: "docker" "inspect" "d6db4fea7ea7036b8def631d045eed2e74a051b10d0cd3af4ee1dc69270851da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6db4fea7ea7036b8def631d045eed2e74a051b10d0cd3af4ee1dc69270851da", kill_on_drop: false }`
[INFO] [stdout] d6db4fea7ea7036b8def631d045eed2e74a051b10d0cd3af4ee1dc69270851da
[INFO] checking Azanul/fireship-io-crypto-rust against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAzanul%2Ffireship-io-crypto-rust" "/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/Azanul/fireship-io-crypto-rust 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/Azanul/fireship-io-crypto-rust
[INFO] finished tweaking git repo https://github.com/Azanul/fireship-io-crypto-rust
[INFO] tweaked toml for git repo https://github.com/Azanul/fireship-io-crypto-rust written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Azanul/fireship-io-crypto-rust 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] 1f9764e06c05099d60c2cd00eb9f173627349206d1b04777619dca7ef2910b8a
[INFO] running `Command { std: "docker" "start" "-a" "1f9764e06c05099d60c2cd00eb9f173627349206d1b04777619dca7ef2910b8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f9764e06c05099d60c2cd00eb9f173627349206d1b04777619dca7ef2910b8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f9764e06c05099d60c2cd00eb9f173627349206d1b04777619dca7ef2910b8a", kill_on_drop: false }`
[INFO] [stdout] 1f9764e06c05099d60c2cd00eb9f173627349206d1b04777619dca7ef2910b8a
[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] 805d6c3a05ed5b2adebe4b8d636f071b04007fd01f2296afe3e63965a0ee68e1
[INFO] running `Command { std: "docker" "start" "-a" "805d6c3a05ed5b2adebe4b8d636f071b04007fd01f2296afe3e63965a0ee68e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking base64ct v1.5.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling libm v0.2.2
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]     Checking generic-array v0.14.5
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]     Checking pem-rfc7468 v0.3.1
[INFO] [stderr]     Checking const-oid v0.7.1
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]     Checking zeroize v1.5.6
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking cpufeatures v0.2.2
[INFO] [stderr]    Compiling num-bigint-dig v0.8.1
[INFO] [stderr]    Compiling serde_json v1.0.82
[INFO] [stderr]     Checking crypto-common v0.1.3
[INFO] [stderr]     Checking block-buffer v0.10.2
[INFO] [stderr]     Checking block-padding v0.3.2
[INFO] [stderr]     Checking crypto-bigint v0.3.2
[INFO] [stderr]     Checking digest v0.10.3
[INFO] [stderr]     Checking inout v0.1.3
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]     Checking cipher v0.4.3
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking salsa20 v0.10.2
[INFO] [stderr]     Checking sha2 v0.10.2
[INFO] [stderr]     Checking pbkdf2 v0.11.0
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking blake2 v0.10.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking password-hash v0.4.2
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking der v0.5.1
[INFO] [stderr]     Checking cbc v0.1.2
[INFO] [stderr]     Checking aes v0.8.1
[INFO] [stderr]     Checking scrypt v0.10.0
[INFO] [stderr]     Checking argon2 v0.4.1
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/der-0.5.1/src/encoder.rs:30:18
[INFO] [stdout]    |
[INFO] [stdout] 30 |             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] 30 |             self.error::<T>(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-0.5.1/src/encoder.rs:190:18
[INFO] [stdout]     |
[INFO] [stdout] 190 |             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] 190 |             self.error::<T>(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" "805d6c3a05ed5b2adebe4b8d636f071b04007fd01f2296afe3e63965a0ee68e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "805d6c3a05ed5b2adebe4b8d636f071b04007fd01f2296afe3e63965a0ee68e1", kill_on_drop: false }`
[INFO] [stdout] 805d6c3a05ed5b2adebe4b8d636f071b04007fd01f2296afe3e63965a0ee68e1