[INFO] fetching crate latch_iter 0.1.1...
[INFO] testing latch_iter-0.1.1 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate latch_iter 0.1.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate latch_iter 0.1.1 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7a1cc105cce79e11d89c41d636dda75fef309d5a27cbfaea11b4488285e9c653
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7a1cc105cce79e11d89c41d636dda75fef309d5a27cbfaea11b4488285e9c653", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a1cc105cce79e11d89c41d636dda75fef309d5a27cbfaea11b4488285e9c653", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a1cc105cce79e11d89c41d636dda75fef309d5a27cbfaea11b4488285e9c653", kill_on_drop: false }`
[INFO] [stdout] 7a1cc105cce79e11d89c41d636dda75fef309d5a27cbfaea11b4488285e9c653
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4b0d85f1eb48df7698e45268dc42416d7c0db272ba4a709f2313646edb4a1395
[INFO] running `Command { std: "docker" "start" "-a" "4b0d85f1eb48df7698e45268dc42416d7c0db272ba4a709f2313646edb4a1395", kill_on_drop: false }`
[INFO] [stderr]    Compiling latch_iter v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "4b0d85f1eb48df7698e45268dc42416d7c0db272ba4a709f2313646edb4a1395", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b0d85f1eb48df7698e45268dc42416d7c0db272ba4a709f2313646edb4a1395", kill_on_drop: false }`
[INFO] [stdout] 4b0d85f1eb48df7698e45268dc42416d7c0db272ba4a709f2313646edb4a1395
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe287db21e8932d9f83e22110d7a901b34e1d2e7b221cfce5371dcf7fc8f9c0b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "fe287db21e8932d9f83e22110d7a901b34e1d2e7b221cfce5371dcf7fc8f9c0b", kill_on_drop: false }`
[INFO] [stderr]    Compiling latch_iter v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "fe287db21e8932d9f83e22110d7a901b34e1d2e7b221cfce5371dcf7fc8f9c0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe287db21e8932d9f83e22110d7a901b34e1d2e7b221cfce5371dcf7fc8f9c0b", kill_on_drop: false }`
[INFO] [stdout] fe287db21e8932d9f83e22110d7a901b34e1d2e7b221cfce5371dcf7fc8f9c0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fbe07061b87f3cc2d35d99b02fcbcf9916a8e2f01fafd1d90cb36a997d5621fe
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "fbe07061b87f3cc2d35d99b02fcbcf9916a8e2f01fafd1d90cb36a997d5621fe", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/latch_iter-2df96bfb48d29eb1)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests latch_iter
[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` 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 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 0.45s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "fbe07061b87f3cc2d35d99b02fcbcf9916a8e2f01fafd1d90cb36a997d5621fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbe07061b87f3cc2d35d99b02fcbcf9916a8e2f01fafd1d90cb36a997d5621fe", kill_on_drop: false }`
[INFO] [stdout] fbe07061b87f3cc2d35d99b02fcbcf9916a8e2f01fafd1d90cb36a997d5621fe