[INFO] fetching crate latch_iter 0.1.1...
[INFO] testing latch_iter-0.1.1 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145330-1
[INFO] extracting crate latch_iter 0.1.1 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate latch_iter 0.1.1
[INFO] finished tweaking crates.io crate latch_iter 0.1.1
[INFO] tweaked toml for crates.io crate latch_iter 0.1.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate latch_iter 0.1.1 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-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a963bebb513f506c9b7e382b35ba45798db3a1c877fd1717e9e23aa5400ecd6c
[INFO] running `Command { std: "docker" "start" "-a" "a963bebb513f506c9b7e382b35ba45798db3a1c877fd1717e9e23aa5400ecd6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a963bebb513f506c9b7e382b35ba45798db3a1c877fd1717e9e23aa5400ecd6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a963bebb513f506c9b7e382b35ba45798db3a1c877fd1717e9e23aa5400ecd6c", kill_on_drop: false }`
[INFO] [stdout] a963bebb513f506c9b7e382b35ba45798db3a1c877fd1717e9e23aa5400ecd6c
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c9102f55fe7bcb0b724686fdcbd0da4fff1a4e5289eb7e95735ef8a04c990b47
[INFO] running `Command { std: "docker" "start" "-a" "c9102f55fe7bcb0b724686fdcbd0da4fff1a4e5289eb7e95735ef8a04c990b47", kill_on_drop: false }`
[INFO] [stderr]    Compiling latch_iter v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "c9102f55fe7bcb0b724686fdcbd0da4fff1a4e5289eb7e95735ef8a04c990b47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9102f55fe7bcb0b724686fdcbd0da4fff1a4e5289eb7e95735ef8a04c990b47", kill_on_drop: false }`
[INFO] [stdout] c9102f55fe7bcb0b724686fdcbd0da4fff1a4e5289eb7e95735ef8a04c990b47
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 752e3603761a3ffcd0b61bd37079025f43681753d053872611988055e5ba5be3
[INFO] running `Command { std: "docker" "start" "-a" "752e3603761a3ffcd0b61bd37079025f43681753d053872611988055e5ba5be3", kill_on_drop: false }`
[INFO] [stderr]    Compiling latch_iter v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "752e3603761a3ffcd0b61bd37079025f43681753d053872611988055e5ba5be3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "752e3603761a3ffcd0b61bd37079025f43681753d053872611988055e5ba5be3", kill_on_drop: false }`
[INFO] [stdout] 752e3603761a3ffcd0b61bd37079025f43681753d053872611988055e5ba5be3
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 33c60c95a89f5402f8d72094c379cd940e2b733ce72d7af3cb69a98f220b066a
[INFO] running `Command { std: "docker" "start" "-a" "33c60c95a89f5402f8d72094c379cd940e2b733ce72d7af3cb69a98f220b066a", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/latch_iter-64238c260b629f76)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::range_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests latch_iter
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/into_iterator.rs - into_iterator::IntoLatchIterator::latch (line 13) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/into_iterator.rs - into_iterator::IntoLatchIterator::latch (line 13) stdout ----
[INFO] [stdout] error[E0599]: no method named `latch` found for struct `std::ops::Range<Idx>` in the current scope
[INFO] [stdout]  --> src/into_iterator.rs:15:31
[INFO] [stdout]   |
[INFO] [stdout] 4 | for number in (0_u32..25_u32).latch(|&num| num % 5 == 0, |&num| num % 7 == 0) {
[INFO] [stdout]   |                               ^^^^^ method not found in `std::ops::Range<u32>`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/into_iterator.rs - into_iterator::IntoLatchIterator::latch (line 13)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.19s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "33c60c95a89f5402f8d72094c379cd940e2b733ce72d7af3cb69a98f220b066a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33c60c95a89f5402f8d72094c379cd940e2b733ce72d7af3cb69a98f220b066a", kill_on_drop: false }`
[INFO] [stdout] 33c60c95a89f5402f8d72094c379cd940e2b733ce72d7af3cb69a98f220b066a