[INFO] fetching crate admiral-derive 0.1.0... [INFO] checking admiral-derive-0.1.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate admiral-derive 0.1.0 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate admiral-derive 0.1.0 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 admiral-derive 0.1.0 [INFO] finished tweaking crates.io crate admiral-derive 0.1.0 [INFO] tweaked toml for crates.io crate admiral-derive 0.1.0 written to /workspace/builds/worker-0-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 23 packages [INFO] [stderr] Adding rustc_version v0.2.3 (latest: v0.4.0) [INFO] [stderr] Adding semver v0.9.0 (latest: v1.0.22) [INFO] [stderr] Adding semver-parser v0.7.0 (latest: v0.10.2) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding term v0.4.6 (latest: v0.7.0) [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] [stderr] Adding winapi v0.2.8 (latest: v0.3.9) [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 time v0.1.45 [INFO] [stderr] Downloaded wasi v0.10.0+wasi-snapshot-preview1 [INFO] [stderr] Downloaded rustc-serialize v0.3.25 [INFO] [stderr] Downloaded winapi-build v0.1.1 [INFO] [stderr] Downloaded admiral-types v0.1.0 [INFO] [stderr] Downloaded kernel32-sys v0.2.2 [INFO] [stderr] Downloaded rustc-test v0.3.1 [INFO] [stderr] Downloaded getopts v0.2.21 [INFO] [stderr] Downloaded term v0.4.6 [INFO] [stderr] Downloaded winapi v0.2.8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] ec3d550fda3657de77eaaa01b9c816d83f43aabcb6ad6f48e299b83d5d99abf3 [INFO] running `Command { std: "docker" "start" "-a" "ec3d550fda3657de77eaaa01b9c816d83f43aabcb6ad6f48e299b83d5d99abf3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ec3d550fda3657de77eaaa01b9c816d83f43aabcb6ad6f48e299b83d5d99abf3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ec3d550fda3657de77eaaa01b9c816d83f43aabcb6ad6f48e299b83d5d99abf3", kill_on_drop: false }` [INFO] [stdout] ec3d550fda3657de77eaaa01b9c816d83f43aabcb6ad6f48e299b83d5d99abf3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] a3fe4ddb4e264241c763e8390d525be32ea42c45d988a06e0400fc4927cda2ea [INFO] running `Command { std: "docker" "start" "-a" "a3fe4ddb4e264241c763e8390d525be32ea42c45d988a06e0400fc4927cda2ea", kill_on_drop: false }` [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Checking unicode-width v0.1.11 [INFO] [stderr] Checking unicode-ident v1.0.12 [INFO] [stderr] Checking rustc-serialize v0.3.25 [INFO] [stderr] Checking term v0.4.6 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking getopts v0.2.21 [INFO] [stderr] Checking proc-macro2 v1.0.79 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling rustc-test v0.3.1 [INFO] [stderr] Checking quote v1.0.35 [INFO] [stderr] Checking time v0.1.45 [INFO] [stderr] Checking admiral-types v0.1.0 [INFO] [stderr] Checking admiral-derive v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `last_stmt_start_span` [INFO] [stdout] --> src/lib.rs:31:10 [INFO] [stdout] | [INFO] [stdout] 31 | let (last_stmt_start_span, last_stmt_end_span) = { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_stmt_start_span` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `last_stmt_start_span` [INFO] [stdout] --> src/lib.rs:31:10 [INFO] [stdout] | [INFO] [stdout] 31 | let (last_stmt_start_span, last_stmt_end_span) = { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_stmt_start_span` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `args` [INFO] [stdout] --> src/lib.rs:61:26 [INFO] [stdout] | [INFO] [stdout] 61 | pub fn rust_decorator_fn(args: TokenStream, input: TokenStream) -> TokenStream { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_args` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `args` [INFO] [stdout] --> src/lib.rs:61:26 [INFO] [stdout] | [INFO] [stdout] 61 | pub fn rust_decorator_fn(args: TokenStream, input: TokenStream) -> TokenStream { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_args` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:62:9 [INFO] [stdout] | [INFO] [stdout] 62 | let mut func: ItemFn = syn::parse(input).unwrap(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:62:9 [INFO] [stdout] | [INFO] [stdout] 62 | let mut func: ItemFn = syn::parse(input).unwrap(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [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 2.02s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-test v0.3.1 [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" "a3fe4ddb4e264241c763e8390d525be32ea42c45d988a06e0400fc4927cda2ea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a3fe4ddb4e264241c763e8390d525be32ea42c45d988a06e0400fc4927cda2ea", kill_on_drop: false }` [INFO] [stdout] a3fe4ddb4e264241c763e8390d525be32ea42c45d988a06e0400fc4927cda2ea [INFO] checking admiral-derive-0.1.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate admiral-derive 0.1.0 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate admiral-derive 0.1.0 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 admiral-derive 0.1.0 [INFO] finished tweaking crates.io crate admiral-derive 0.1.0 [INFO] tweaked toml for crates.io crate admiral-derive 0.1.0 written to /workspace/builds/worker-0-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] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 68b7be7dd9e4872725935cfe9cc1a8aca045db050a67d5c39f58c32b5f014449 [INFO] running `Command { std: "docker" "start" "-a" "68b7be7dd9e4872725935cfe9cc1a8aca045db050a67d5c39f58c32b5f014449", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "68b7be7dd9e4872725935cfe9cc1a8aca045db050a67d5c39f58c32b5f014449", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "68b7be7dd9e4872725935cfe9cc1a8aca045db050a67d5c39f58c32b5f014449", kill_on_drop: false }` [INFO] [stdout] 68b7be7dd9e4872725935cfe9cc1a8aca045db050a67d5c39f58c32b5f014449 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] fe728afab09b7b2fbcca78bca98ce62a79cb4c68d214bb672f3b1e75b5541f5e [INFO] running `Command { std: "docker" "start" "-a" "fe728afab09b7b2fbcca78bca98ce62a79cb4c68d214bb672f3b1e75b5541f5e", kill_on_drop: false }` [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Checking unicode-ident v1.0.12 [INFO] [stderr] Checking unicode-width v0.1.11 [INFO] [stderr] Checking rustc-serialize v0.3.25 [INFO] [stderr] Checking term v0.4.6 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking getopts v0.2.21 [INFO] [stderr] Checking proc-macro2 v1.0.79 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking quote v1.0.35 [INFO] [stderr] Compiling rustc-test v0.3.1 [INFO] [stderr] Checking time v0.1.45 [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] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "fe728afab09b7b2fbcca78bca98ce62a79cb4c68d214bb672f3b1e75b5541f5e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fe728afab09b7b2fbcca78bca98ce62a79cb4c68d214bb672f3b1e75b5541f5e", kill_on_drop: false }` [INFO] [stdout] fe728afab09b7b2fbcca78bca98ce62a79cb4c68d214bb672f3b1e75b5541f5e