[INFO] fetching crate latch_iter 0.1.1...
[INFO] testing latch_iter-0.1.1 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate latch_iter 0.1.1 into /workspace/builds/worker-1-tc2/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-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate latch_iter 0.1.1 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9fb6b78a50732067fdc3fbbfd51ae464da650b7c1a8d92113067e0c7bad6b911
[INFO] running `Command { std: "docker" "start" "-a" "9fb6b78a50732067fdc3fbbfd51ae464da650b7c1a8d92113067e0c7bad6b911", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9fb6b78a50732067fdc3fbbfd51ae464da650b7c1a8d92113067e0c7bad6b911", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fb6b78a50732067fdc3fbbfd51ae464da650b7c1a8d92113067e0c7bad6b911", kill_on_drop: false }`
[INFO] [stdout] 9fb6b78a50732067fdc3fbbfd51ae464da650b7c1a8d92113067e0c7bad6b911
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d68c1609f40faa278f585af895931115d7927040c666c179ef17e84296b70ceb
[INFO] running `Command { std: "docker" "start" "-a" "d68c1609f40faa278f585af895931115d7927040c666c179ef17e84296b70ceb", 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 0.22s
[INFO] running `Command { std: "docker" "inspect" "d68c1609f40faa278f585af895931115d7927040c666c179ef17e84296b70ceb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d68c1609f40faa278f585af895931115d7927040c666c179ef17e84296b70ceb", kill_on_drop: false }`
[INFO] [stdout] d68c1609f40faa278f585af895931115d7927040c666c179ef17e84296b70ceb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa85efa80a02ff9ce203f790dee65391e4464ca896683bcd890046f45359c2f1
[INFO] running `Command { std: "docker" "start" "-a" "fa85efa80a02ff9ce203f790dee65391e4464ca896683bcd890046f45359c2f1", 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" "fa85efa80a02ff9ce203f790dee65391e4464ca896683bcd890046f45359c2f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa85efa80a02ff9ce203f790dee65391e4464ca896683bcd890046f45359c2f1", kill_on_drop: false }`
[INFO] [stdout] fa85efa80a02ff9ce203f790dee65391e4464ca896683bcd890046f45359c2f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 237d014a8d4b6f86f4e9c1af0dc52f9da6b88309b67dade7434d33f8ab05206b
[INFO] running `Command { std: "docker" "start" "-a" "237d014a8d4b6f86f4e9c1af0dc52f9da6b88309b67dade7434d33f8ab05206b", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/latch_iter-64238c260b629f76)
[INFO] [stderr]    Doc-tests latch_iter
[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] [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 0.15s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "237d014a8d4b6f86f4e9c1af0dc52f9da6b88309b67dade7434d33f8ab05206b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "237d014a8d4b6f86f4e9c1af0dc52f9da6b88309b67dade7434d33f8ab05206b", kill_on_drop: false }`
[INFO] [stdout] 237d014a8d4b6f86f4e9c1af0dc52f9da6b88309b67dade7434d33f8ab05206b