[INFO] fetching crate stellar 0.1.2-alpha... [INFO] checking stellar-0.1.2-alpha against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate stellar 0.1.2-alpha into /workspace/builds/worker-5-tc1/source [INFO] validating manifest of crates.io crate stellar 0.1.2-alpha 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 stellar 0.1.2-alpha [INFO] finished tweaking crates.io crate stellar 0.1.2-alpha [INFO] tweaked toml for crates.io crate stellar 0.1.2-alpha written to /workspace/builds/worker-5-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] Locking 16 packages [INFO] [stderr] Adding rand v0.3.23 (latest: v0.8.5) [INFO] [stderr] Adding rand v0.4.6 (latest: v0.8.5) [INFO] [stderr] Adding rand_core v0.3.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_core v0.4.2 (latest: v0.6.4) [INFO] [stderr] Adding rdrand v0.4.0 (latest: v0.8.3) [INFO] [stderr] Adding time v0.1.45 (latest: v0.3.34) [INFO] [stderr] Adding wasi v0.10.0+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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 604d0526c236dc39fcd5d63aed3acc23828fdfc0c2b77ab78afd6b826517bfc2 [INFO] running `Command { std: "docker" "start" "-a" "604d0526c236dc39fcd5d63aed3acc23828fdfc0c2b77ab78afd6b826517bfc2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "604d0526c236dc39fcd5d63aed3acc23828fdfc0c2b77ab78afd6b826517bfc2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "604d0526c236dc39fcd5d63aed3acc23828fdfc0c2b77ab78afd6b826517bfc2", kill_on_drop: false }` [INFO] [stdout] 604d0526c236dc39fcd5d63aed3acc23828fdfc0c2b77ab78afd6b826517bfc2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 8fb44a01a1a8a2f10b85e22432ee04d9a22ce23628600005330d2c3c99356829 [INFO] running `Command { std: "docker" "start" "-a" "8fb44a01a1a8a2f10b85e22432ee04d9a22ce23628600005330d2c3c99356829", kill_on_drop: false }` [INFO] [stderr] Compiling rust-crypto v0.2.36 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking time v0.1.45 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking stellar v0.1.2-alpha (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/types.rs:5:22 [INFO] [stdout] | [INFO] [stdout] 5 | pub struct PublicKey([u8; 32]); [INFO] [stdout] | --------- ^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = note: `PublicKey` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 5 | pub struct PublicKey(()); [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `public_key` is never read [INFO] [stdout] --> src/key_pair.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 5 | pub struct KeyPair { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] 6 | public_key: PublicKey, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `KeyPair` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `fee`, `source_account`, `sequence_number`, `operations`, `memo`, and `signatures` are never read [INFO] [stdout] --> src/transaction.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 9 | pub struct Transaction { [INFO] [stdout] | ----------- fields in this struct [INFO] [stdout] 10 | fee: Integer, [INFO] [stdout] | ^^^ [INFO] [stdout] 11 | source_account: KeyPair, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] 12 | sequence_number: Long, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] 13 | operations: Vec, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 14 | memo: Memo, [INFO] [stdout] | ^^^^ [INFO] [stdout] 15 | signatures: Vec<()>, // TODO: Port DecoratedSignatures [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/types.rs:5:22 [INFO] [stdout] | [INFO] [stdout] 5 | pub struct PublicKey([u8; 32]); [INFO] [stdout] | --------- ^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = note: `PublicKey` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 5 | pub struct PublicKey(()); [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `public_key` is never read [INFO] [stdout] --> src/key_pair.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 5 | pub struct KeyPair { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] 6 | public_key: PublicKey, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `KeyPair` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `fee`, `source_account`, `sequence_number`, `operations`, `memo`, and `signatures` are never read [INFO] [stdout] --> src/transaction.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 9 | pub struct Transaction { [INFO] [stdout] | ----------- fields in this struct [INFO] [stdout] 10 | fee: Integer, [INFO] [stdout] | ^^^ [INFO] [stdout] 11 | source_account: KeyPair, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] 12 | sequence_number: Long, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] 13 | operations: Vec, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 14 | memo: Memo, [INFO] [stdout] | ^^^^ [INFO] [stdout] 15 | signatures: Vec<()>, // TODO: Port DecoratedSignatures [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.70s [INFO] running `Command { std: "docker" "inspect" "8fb44a01a1a8a2f10b85e22432ee04d9a22ce23628600005330d2c3c99356829", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8fb44a01a1a8a2f10b85e22432ee04d9a22ce23628600005330d2c3c99356829", kill_on_drop: false }` [INFO] [stdout] 8fb44a01a1a8a2f10b85e22432ee04d9a22ce23628600005330d2c3c99356829 [INFO] checking stellar-0.1.2-alpha against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate stellar 0.1.2-alpha into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate stellar 0.1.2-alpha 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 stellar 0.1.2-alpha [INFO] finished tweaking crates.io crate stellar 0.1.2-alpha [INFO] tweaked toml for crates.io crate stellar 0.1.2-alpha written to /workspace/builds/worker-5-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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 471a9471f6c370feb0d9f3651dd67181663eba7ee692e04ae004b1a86eac4a38 [INFO] running `Command { std: "docker" "start" "-a" "471a9471f6c370feb0d9f3651dd67181663eba7ee692e04ae004b1a86eac4a38", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "471a9471f6c370feb0d9f3651dd67181663eba7ee692e04ae004b1a86eac4a38", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "471a9471f6c370feb0d9f3651dd67181663eba7ee692e04ae004b1a86eac4a38", kill_on_drop: false }` [INFO] [stdout] 471a9471f6c370feb0d9f3651dd67181663eba7ee692e04ae004b1a86eac4a38 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] ffb326dec13535b4e2a039ff35d966df1d95464b96eb73e71fb5823fac9ab44b [INFO] running `Command { std: "docker" "start" "-a" "ffb326dec13535b4e2a039ff35d966df1d95464b96eb73e71fb5823fac9ab44b", kill_on_drop: false }` [INFO] [stderr] Compiling gcc v0.3.55 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking time v0.1.45 [INFO] [stderr] Checking rustc-serialize v0.3.25 [INFO] [stderr] Compiling rust-crypto v0.2.36 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.3.25/src/json.rs:1387:20 [INFO] [stdout] | [INFO] [stdout] 1387 | _ => { panic!(); } [INFO] [stdout] | ^^^^^^^^ cannot infer type [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `$crate::panic::panic_2015` which comes from the expansion of the macro `panic` (in Nightly builds, run with -Z macro-backtrace for more info) [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 `rustc-serialize` (lib) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "ffb326dec13535b4e2a039ff35d966df1d95464b96eb73e71fb5823fac9ab44b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ffb326dec13535b4e2a039ff35d966df1d95464b96eb73e71fb5823fac9ab44b", kill_on_drop: false }` [INFO] [stdout] ffb326dec13535b4e2a039ff35d966df1d95464b96eb73e71fb5823fac9ab44b