[INFO] fetching crate iterate-trait 1.0.1...
[INFO] testing iterate-trait-1.0.1 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145330-1
[INFO] extracting crate iterate-trait 1.0.1 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate iterate-trait 1.0.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate iterate-trait 1.0.1
[INFO] tweaked toml for crates.io crate iterate-trait 1.0.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate iterate-trait 1.0.1 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a6a229e3172b83347cbc8bb8e6cb4053af1e9d6a74fadf47b22291e3be9dea67
[INFO] running `Command { std: "docker" "start" "-a" "a6a229e3172b83347cbc8bb8e6cb4053af1e9d6a74fadf47b22291e3be9dea67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6a229e3172b83347cbc8bb8e6cb4053af1e9d6a74fadf47b22291e3be9dea67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6a229e3172b83347cbc8bb8e6cb4053af1e9d6a74fadf47b22291e3be9dea67", kill_on_drop: false }`
[INFO] [stdout] a6a229e3172b83347cbc8bb8e6cb4053af1e9d6a74fadf47b22291e3be9dea67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d90f8a7374f63c74caf9d931c1faeadfd952c9a1715f9ab8071c6177c66684d
[INFO] running `Command { std: "docker" "start" "-a" "1d90f8a7374f63c74caf9d931c1faeadfd952c9a1715f9ab8071c6177c66684d", kill_on_drop: false }`
[INFO] [stderr]    Compiling iterate-trait v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "1d90f8a7374f63c74caf9d931c1faeadfd952c9a1715f9ab8071c6177c66684d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d90f8a7374f63c74caf9d931c1faeadfd952c9a1715f9ab8071c6177c66684d", kill_on_drop: false }`
[INFO] [stdout] 1d90f8a7374f63c74caf9d931c1faeadfd952c9a1715f9ab8071c6177c66684d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 16fbced9985ca8533f9563af2a57b73cbf4278a6d2395c811368609e39a52820
[INFO] running `Command { std: "docker" "start" "-a" "16fbced9985ca8533f9563af2a57b73cbf4278a6d2395c811368609e39a52820", kill_on_drop: false }`
[INFO] [stderr]    Compiling iterate-trait v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "16fbced9985ca8533f9563af2a57b73cbf4278a6d2395c811368609e39a52820", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16fbced9985ca8533f9563af2a57b73cbf4278a6d2395c811368609e39a52820", kill_on_drop: false }`
[INFO] [stdout] 16fbced9985ca8533f9563af2a57b73cbf4278a6d2395c811368609e39a52820
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cd350a07e840292be202fa036118bf92e203d36cd61767fff5fe5decd02107f2
[INFO] running `Command { std: "docker" "start" "-a" "cd350a07e840292be202fa036118bf92e203d36cd61767fff5fe5decd02107f2", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/iterate_trait-1650c76f3d1e9940)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running tests/test.rs (/opt/rustwide/target/debug/deps/test-c251afe5ae921eee)
[INFO] [stderr]    Doc-tests iterate_trait
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 22) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 22) stdout ----
[INFO] [stdout] error: expected identifier, found keyword `let`
[INFO] [stdout]  --> src/lib.rs:25:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | let iter = gen {
[INFO] [stdout]   |            --- while parsing this struct
[INFO] [stdout] 5 |     let items = my_data.lock(); // ← `MutexGuard: !Send`
[INFO] [stdout]   |     ^^^ expected identifier, found keyword
[INFO] [stdout] 
[INFO] [stdout] error: expected identifier, found `...`
[INFO] [stdout]   --> src/lib.rs:32:18
[INFO] [stdout]    |
[INFO] [stdout] 12 | let iter = gen { ... };      // 1. Desugars to `impl Iterator + !Send`
[INFO] [stdout]    |            ---   ^^^ expected identifier
[INFO] [stdout]    |            |
[INFO] [stdout]    |            while parsing this struct
[INFO] [stdout] 
[INFO] [stdout] error: unexpected token: `...`
[INFO] [stdout]   --> src/lib.rs:34:24
[INFO] [stdout]    |
[INFO] [stdout] 14 |     for item in iter { ... }
[INFO] [stdout]    |                        ^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `..` for an exclusive range
[INFO] [stdout]    |
[INFO] [stdout] 14 -     for item in iter { ... }
[INFO] [stdout] 14 +     for item in iter { .. }
[INFO] [stdout]    |
[INFO] [stdout] help: or `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout] 14 -     for item in iter { ... }
[INFO] [stdout] 14 +     for item in iter { ..= }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0586]: inclusive range with no end
[INFO] [stdout]   --> src/lib.rs:34:24
[INFO] [stdout]    |
[INFO] [stdout] 14 |     for item in iter { ... }
[INFO] [stdout]    |                        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: inclusive ranges must be bounded at the end (`..=b` or `a..=b`)
[INFO] [stdout] help: use `..` instead
[INFO] [stdout]    |
[INFO] [stdout] 14 -     for item in iter { ... }
[INFO] [stdout] 14 +     for item in iter { .. }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: expected identifier, found `...`
[INFO] [stdout]   --> src/lib.rs:38:18
[INFO] [stdout]    |
[INFO] [stdout] 18 | let iter = gen { ... };      // 1. Desugars to `impl IntoIterator + Send`
[INFO] [stdout]    |            ---   ^^^ expected identifier
[INFO] [stdout]    |            |
[INFO] [stdout]    |            while parsing this struct
[INFO] [stdout] 
[INFO] [stdout] error: unexpected token: `...`
[INFO] [stdout]   --> src/lib.rs:40:24
[INFO] [stdout]    |
[INFO] [stdout] 20 |     for item in iter { ... } // 3. Obtain `impl Iterator + !Send`
[INFO] [stdout]    |                        ^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `..` for an exclusive range
[INFO] [stdout]    |
[INFO] [stdout] 20 -     for item in iter { ... } // 3. Obtain `impl Iterator + !Send`
[INFO] [stdout] 20 +     for item in iter { .. } // 3. Obtain `impl Iterator + !Send`
[INFO] [stdout]    |
[INFO] [stdout] help: or `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout] 20 -     for item in iter { ... } // 3. Obtain `impl Iterator + !Send`
[INFO] [stdout] 20 +     for item in iter { ..= } // 3. Obtain `impl Iterator + !Send`
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0586]: inclusive range with no end
[INFO] [stdout]   --> src/lib.rs:40:24
[INFO] [stdout]    |
[INFO] [stdout] 20 |     for item in iter { ... } // 3. Obtain `impl Iterator + !Send`
[INFO] [stdout]    |                        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: inclusive ranges must be bounded at the end (`..=b` or `a..=b`)
[INFO] [stdout] help: use `..` instead
[INFO] [stdout]    |
[INFO] [stdout] 20 -     for item in iter { ... } // 3. Obtain `impl Iterator + !Send`
[INFO] [stdout] 20 +     for item in iter { .. } // 3. Obtain `impl Iterator + !Send`
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `gen` in this scope
[INFO] [stdout]  --> src/lib.rs:24:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | let iter = gen {
[INFO] [stdout]   |            ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `gen` in this scope
[INFO] [stdout]   --> src/lib.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | let iter = gen { ... };      // 1. Desugars to `impl Iterator + !Send`
[INFO] [stdout]    |            ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `thread`
[INFO] [stdout]   --> src/lib.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | thread::spawn(move || {      // 2. ❌ Can't move `!Send` type across threads
[INFO] [stdout]    | ^^^^^^ use of unresolved module or unlinked crate `thread`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `thread`, use `cargo add thread` to add it to your `Cargo.toml`
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]    |
[INFO] [stdout]  2 + use std::thread;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `gen` in this scope
[INFO] [stdout]   --> src/lib.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | let iter = gen { ... };      // 1. Desugars to `impl IntoIterator + Send`
[INFO] [stdout]    |            ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `thread`
[INFO] [stdout]   --> src/lib.rs:39:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | thread::spawn(move || {      // 2. ✅ Move `Send` type across threads
[INFO] [stdout]    | ^^^^^^ use of unresolved module or unlinked crate `thread`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `thread`, use `cargo add thread` to add it to your `Cargo.toml`
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]    |
[INFO] [stdout]  2 + use std::thread;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 12 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0422, E0433, E0586.
[INFO] [stdout] For more information about an error, try `rustc --explain E0422`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 22)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.15s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "cd350a07e840292be202fa036118bf92e203d36cd61767fff5fe5decd02107f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd350a07e840292be202fa036118bf92e203d36cd61767fff5fe5decd02107f2", kill_on_drop: false }`
[INFO] [stdout] cd350a07e840292be202fa036118bf92e203d36cd61767fff5fe5decd02107f2