[INFO] fetching crate reep 0.2.0... [INFO] checking reep-0.2.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate reep 0.2.0 into /workspace/builds/worker-4-tc1/source [INFO] validating manifest of crates.io crate reep 0.2.0 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 reep 0.2.0 [INFO] finished tweaking crates.io crate reep 0.2.0 [INFO] tweaked toml for crates.io crate reep 0.2.0 written to /workspace/builds/worker-4-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 45 packages [INFO] [stderr] Adding bit-set v0.4.0 (latest: v0.5.3) [INFO] [stderr] Adding bit-vec v0.4.4 (latest: v0.6.3) [INFO] [stderr] Adding conduit-mime-types v0.7.3 (latest: v0.8.0) [INFO] [stderr] Adding cookie v0.2.5 (latest: v0.18.1) [INFO] [stderr] Adding hpack v0.2.0 (latest: v0.3.0) [INFO] [stderr] Adding hyper v0.9.18 (latest: v1.2.0) [INFO] [stderr] Adding idna v0.1.5 (latest: v0.5.0) [INFO] [stderr] Adding iron v0.4.0 (latest: v0.6.1) [INFO] [stderr] Adding language-tags v0.2.2 (latest: v0.3.2) [INFO] [stderr] Adding lazy_static v0.1.16 (latest: v1.4.0) [INFO] [stderr] Adding log v0.3.9 (latest: v0.4.21) [INFO] [stderr] Adding mime v0.2.6 (latest: v0.3.17) [INFO] [stderr] Adding num_cpus v0.2.13 (latest: v1.16.0) [INFO] [stderr] Adding percent-encoding v1.0.1 (latest: v2.3.1) [INFO] [stderr] Adding route-recognizer v0.1.13 (latest: v0.3.1) [INFO] [stderr] Adding router v0.4.0 (latest: v0.6.0) [INFO] [stderr] Adding time v0.1.45 (latest: v0.3.34) [INFO] [stderr] Adding traitobject v0.0.1 (latest: v0.1.0) [INFO] [stderr] Adding unicase v1.4.2 (latest: v2.7.0) [INFO] [stderr] Adding url v1.7.2 (latest: v2.5.0) [INFO] [stderr] Adding version_check v0.1.5 (latest: v0.9.4) [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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded error v0.1.9 [INFO] [stderr] Downloaded iron v0.4.0 [INFO] [stderr] Downloaded router v0.4.0 [INFO] [stderr] Downloaded bit-set v0.4.0 [INFO] [stderr] Downloaded conduit-mime-types v0.7.3 [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] 586274c9e030142b063842d41716486166538c2bd02c386623440c73ae0f5a2d [INFO] running `Command { std: "docker" "start" "-a" "586274c9e030142b063842d41716486166538c2bd02c386623440c73ae0f5a2d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "586274c9e030142b063842d41716486166538c2bd02c386623440c73ae0f5a2d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "586274c9e030142b063842d41716486166538c2bd02c386623440c73ae0f5a2d", kill_on_drop: false }` [INFO] [stdout] 586274c9e030142b063842d41716486166538c2bd02c386623440c73ae0f5a2d [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] 8c1c64d94b6bb8253244ecf74877ac456355bd2247c31992bd847511a7e8dfc3 [INFO] running `Command { std: "docker" "start" "-a" "8c1c64d94b6bb8253244ecf74877ac456355bd2247c31992bd847511a7e8dfc3", kill_on_drop: false }` [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Checking unicode-bidi v0.3.15 [INFO] [stderr] Checking traitobject v0.1.0 [INFO] [stderr] Checking percent-encoding v1.0.1 [INFO] [stderr] Checking typeable v0.1.2 [INFO] [stderr] Checking traitobject v0.0.1 [INFO] [stderr] Checking language-tags v0.2.2 [INFO] [stderr] Checking num_cpus v0.2.13 [INFO] [stderr] Checking conduit-mime-types v0.7.3 [INFO] [stderr] Checking modifier v0.1.0 [INFO] [stderr] Checking lazy_static v0.1.16 [INFO] [stderr] Checking hpack v0.2.0 [INFO] [stderr] Checking mime v0.2.6 [INFO] [stderr] Checking bit-vec v0.4.4 [INFO] [stderr] Checking route-recognizer v0.1.13 [INFO] [stderr] Checking unsafe-any v0.4.2 [INFO] [stderr] Checking error v0.1.9 [INFO] [stderr] Checking typemap v0.3.3 [INFO] [stderr] Checking bit-set v0.4.0 [INFO] [stderr] Checking solicit v0.4.4 [INFO] [stderr] Compiling unicase v1.4.2 [INFO] [stderr] Checking plugin v0.2.6 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Checking cookie v0.2.5 [INFO] [stderr] Checking hyper v0.9.18 [INFO] [stderr] Checking iron v0.4.0 [INFO] [stderr] Checking router v0.4.0 [INFO] [stderr] Checking reep v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/middleware.rs:28:21 [INFO] [stdout] | [INFO] [stdout] 28 | let value = try!(self.0.parse(req)); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/middleware.rs:67:13 [INFO] [stdout] | [INFO] [stdout] 67 | try!(I::Value::parse(percent_decode(raw_id.as_bytes()).decode_utf8_lossy().borrow())) [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/middleware.rs:28:21 [INFO] [stdout] | [INFO] [stdout] 28 | let value = try!(self.0.parse(req)); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/middleware.rs:67:13 [INFO] [stdout] | [INFO] [stdout] 67 | try!(I::Value::parse(percent_decode(raw_id.as_bytes()).decode_utf8_lossy().borrow())) [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/internals.rs:11:28 [INFO] [stdout] | [INFO] [stdout] 11 | pub id_parser: Arc>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 11 | pub id_parser: Arc>, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/internals.rs:11:28 [INFO] [stdout] | [INFO] [stdout] 11 | pub id_parser: Arc>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 11 | pub id_parser: Arc>, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.11s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: traitobject v0.1.0 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "8c1c64d94b6bb8253244ecf74877ac456355bd2247c31992bd847511a7e8dfc3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8c1c64d94b6bb8253244ecf74877ac456355bd2247c31992bd847511a7e8dfc3", kill_on_drop: false }` [INFO] [stdout] 8c1c64d94b6bb8253244ecf74877ac456355bd2247c31992bd847511a7e8dfc3 [INFO] checking reep-0.2.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate reep 0.2.0 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate reep 0.2.0 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 reep 0.2.0 [INFO] finished tweaking crates.io crate reep 0.2.0 [INFO] tweaked toml for crates.io crate reep 0.2.0 written to /workspace/builds/worker-4-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-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] 0932b50c694b4178c62bcc00c46e4010a8a52af3d0e2f9bd254ff4c0f9b68789 [INFO] running `Command { std: "docker" "start" "-a" "0932b50c694b4178c62bcc00c46e4010a8a52af3d0e2f9bd254ff4c0f9b68789", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0932b50c694b4178c62bcc00c46e4010a8a52af3d0e2f9bd254ff4c0f9b68789", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0932b50c694b4178c62bcc00c46e4010a8a52af3d0e2f9bd254ff4c0f9b68789", kill_on_drop: false }` [INFO] [stdout] 0932b50c694b4178c62bcc00c46e4010a8a52af3d0e2f9bd254ff4c0f9b68789 [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] 3a5796a897ac4f0cbed2b37e343c52041995df8d949608180bb0d9994d4f2b4f [INFO] running `Command { std: "docker" "start" "-a" "3a5796a897ac4f0cbed2b37e343c52041995df8d949608180bb0d9994d4f2b4f", kill_on_drop: false }` [INFO] [stderr] Checking traitobject v0.1.0 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Checking unicode-bidi v0.3.15 [INFO] [stderr] Checking percent-encoding v1.0.1 [INFO] [stderr] Checking time v0.1.45 [INFO] [stderr] Checking rustc-serialize v0.3.25 [INFO] [stderr] Checking typeable v0.1.2 [INFO] [stderr] Checking traitobject v0.0.1 [INFO] [stderr] Checking language-tags v0.2.2 [INFO] [stderr] Checking num_cpus v0.2.13 [INFO] [stderr] Checking modifier v0.1.0 [INFO] [stderr] Checking lazy_static v0.1.16 [INFO] [stderr] Checking route-recognizer v0.1.13 [INFO] [stderr] Checking bit-vec v0.4.4 [INFO] [stderr] Checking hpack v0.2.0 [INFO] [stderr] Checking mime v0.2.6 [INFO] [stderr] Checking unsafe-any v0.4.2 [INFO] [stderr] Checking error v0.1.9 [INFO] [stderr] Checking typemap v0.3.3 [INFO] [stderr] Checking bit-set v0.4.0 [INFO] [stderr] Checking solicit v0.4.4 [INFO] [stderr] Compiling unicase v1.4.2 [INFO] [stderr] Checking plugin v0.2.6 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking url v1.7.2 [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] [stderr] Checking cookie v0.2.5 [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" "3a5796a897ac4f0cbed2b37e343c52041995df8d949608180bb0d9994d4f2b4f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3a5796a897ac4f0cbed2b37e343c52041995df8d949608180bb0d9994d4f2b4f", kill_on_drop: false }` [INFO] [stdout] 3a5796a897ac4f0cbed2b37e343c52041995df8d949608180bb0d9994d4f2b4f