[INFO] fetching crate efficient-sm2 0.2.3...
[INFO] checking efficient-sm2-0.2.3 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate efficient-sm2 0.2.3 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate efficient-sm2 0.2.3 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 efficient-sm2 0.2.3
[INFO] finished tweaking crates.io crate efficient-sm2 0.2.3
[INFO] tweaked toml for crates.io crate efficient-sm2 0.2.3 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 31 packages
[INFO] [stderr]       Adding libsm v0.5.1 (latest: v0.6.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[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 yasna v0.5.2
[INFO] [stderr]   Downloaded libsm v0.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] cc26aa8228ed8a58a87b56dac79c97bdd7ceb24a3064478f584bd545c50eba01
[INFO] running `Command { std: "docker" "start" "-a" "cc26aa8228ed8a58a87b56dac79c97bdd7ceb24a3064478f584bd545c50eba01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc26aa8228ed8a58a87b56dac79c97bdd7ceb24a3064478f584bd545c50eba01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc26aa8228ed8a58a87b56dac79c97bdd7ceb24a3064478f584bd545c50eba01", kill_on_drop: false }`
[INFO] [stdout] cc26aa8228ed8a58a87b56dac79c97bdd7ceb24a3064478f584bd545c50eba01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 9780ac25732ecee5a8537c40d884b4f47c12ec345ca94a7de564e9ab584efd75
[INFO] running `Command { std: "docker" "start" "-a" "9780ac25732ecee5a8537c40d884b4f47c12ec345ca94a7de564e9ab584efd75", kill_on_drop: false }`
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking num-bigint v0.4.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking yasna v0.5.2
[INFO] [stderr]     Checking libsm v0.5.1
[INFO] [stderr]     Checking efficient-sm2 v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `r_p` is never read
[INFO] [stdout]   --> src/sm2p256.rs:93:9
[INFO] [stdout]    |
[INFO] [stdout] 87 | pub struct CurveParams {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 93 |     pub r_p: [u64; 4],
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `r_p` is never read
[INFO] [stdout]   --> src/sm2p256.rs:93:9
[INFO] [stdout]    |
[INFO] [stdout] 87 | pub struct CurveParams {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 93 |     pub r_p: [u64; 4],
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.16s
[INFO] running `Command { std: "docker" "inspect" "9780ac25732ecee5a8537c40d884b4f47c12ec345ca94a7de564e9ab584efd75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9780ac25732ecee5a8537c40d884b4f47c12ec345ca94a7de564e9ab584efd75", kill_on_drop: false }`
[INFO] [stdout] 9780ac25732ecee5a8537c40d884b4f47c12ec345ca94a7de564e9ab584efd75
[INFO] checking efficient-sm2-0.2.3 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate efficient-sm2 0.2.3 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate efficient-sm2 0.2.3 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 efficient-sm2 0.2.3
[INFO] finished tweaking crates.io crate efficient-sm2 0.2.3
[INFO] tweaked toml for crates.io crate efficient-sm2 0.2.3 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] ca7f94f4b771817c9afbe37e62d0e0a59d5e3bc936da9d7211e8621bde206435
[INFO] running `Command { std: "docker" "start" "-a" "ca7f94f4b771817c9afbe37e62d0e0a59d5e3bc936da9d7211e8621bde206435", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca7f94f4b771817c9afbe37e62d0e0a59d5e3bc936da9d7211e8621bde206435", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca7f94f4b771817c9afbe37e62d0e0a59d5e3bc936da9d7211e8621bde206435", kill_on_drop: false }`
[INFO] [stdout] ca7f94f4b771817c9afbe37e62d0e0a59d5e3bc936da9d7211e8621bde206435
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 953ecfc45d3d43bed4914e2b7ea787a82b5b62dedaa0b48f4afe47259ab5d9f0
[INFO] running `Command { std: "docker" "start" "-a" "953ecfc45d3d43bed4914e2b7ea787a82b5b62dedaa0b48f4afe47259ab5d9f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking yasna v0.5.2
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/yasna-0.5.2/src/reader/mod.rs:787:13
[INFO] [stdout]     |
[INFO] [stdout] 787 | /             match contents {
[INFO] [stdout] 788 | |                 Contents::Primitive(buf) => {
[INFO] [stdout] 789 | |                     if buf.len() == 0 {
[INFO] [stdout] 790 | |                         return Err(ASN1Error::new(ASN1ErrorKind::Invalid));
[INFO] [stdout] ...   |
[INFO] [stdout] 823 | |                 },
[INFO] [stdout] 824 | |             };
[INFO] [stdout]     | |_____________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[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 `yasna` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "953ecfc45d3d43bed4914e2b7ea787a82b5b62dedaa0b48f4afe47259ab5d9f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "953ecfc45d3d43bed4914e2b7ea787a82b5b62dedaa0b48f4afe47259ab5d9f0", kill_on_drop: false }`
[INFO] [stdout] 953ecfc45d3d43bed4914e2b7ea787a82b5b62dedaa0b48f4afe47259ab5d9f0