[INFO] fetching crate ropey 2.0.0-alpha.2...
[INFO] checking ropey-2.0.0-alpha.2 against try#1d0e7c032bf9b905a3165592072b5cc63c491d50 for pr-133502-5
[INFO] extracting crate ropey 2.0.0-alpha.2 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate ropey 2.0.0-alpha.2 on toolchain 1d0e7c032bf9b905a3165592072b5cc63c491d50
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1d0e7c032bf9b905a3165592072b5cc63c491d50" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ropey 2.0.0-alpha.2
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate ropey 2.0.0-alpha.2
[INFO] tweaked toml for crates.io crate ropey 2.0.0-alpha.2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1d0e7c032bf9b905a3165592072b5cc63c491d50" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 100 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1d0e7c032bf9b905a3165592072b5cc63c491d50" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1d0e7c032bf9b905a3165592072b5cc63c491d50" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 35dc835959b426dff9eb83eefc5f2eef02f08e0a4d30490f9e52a2407fc71c06
[INFO] running `Command { std: "docker" "start" "-a" "35dc835959b426dff9eb83eefc5f2eef02f08e0a4d30490f9e52a2407fc71c06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "35dc835959b426dff9eb83eefc5f2eef02f08e0a4d30490f9e52a2407fc71c06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35dc835959b426dff9eb83eefc5f2eef02f08e0a4d30490f9e52a2407fc71c06", kill_on_drop: false }`
[INFO] [stdout] 35dc835959b426dff9eb83eefc5f2eef02f08e0a4d30490f9e52a2407fc71c06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1d0e7c032bf9b905a3165592072b5cc63c491d50" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ceda20533b4f2c8e091e4909feb47f74333e891cf94fbf017e8d9eb9be535fa
[INFO] running `Command { std: "docker" "start" "-a" "8ceda20533b4f2c8e091e4909feb47f74333e891cf94fbf017e8d9eb9be535fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]     Checking tempfile v3.19.1
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking wait-timeout v0.2.1
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]     Checking str_indices v0.4.4
[INFO] [stderr]     Checking unarray v0.1.4
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking ropey v2.0.0-alpha.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking plotters v0.3.7
[INFO] [stderr]     Checking proptest v1.6.0
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking serde_json v1.0.140
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stdout] error: couldn't read `src/../fuzz/fuzz_targets/small.txt`: No such file or directory (os error 2)
[INFO] [stdout]     --> src/rope.rs:1196:36
[INFO] [stdout]      |
[INFO] [stdout] 1196 |         let mut r = Rope::from_str(include_str!("../fuzz/fuzz_targets/small.txt"));
[INFO] [stdout]      |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `prev` found for tuple `(ropey::iter::Chunks<'_>, usize)` in the current scope
[INFO] [stdout]   --> benches/iterators.rs:92:20
[INFO] [stdout]    |
[INFO] [stdout] 92 |             if itr.prev().is_none() {
[INFO] [stdout]    |                    ^^^^ method not found in `(Chunks<'_>, usize)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ropey` (bench "iterators") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `ropey` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "8ceda20533b4f2c8e091e4909feb47f74333e891cf94fbf017e8d9eb9be535fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ceda20533b4f2c8e091e4909feb47f74333e891cf94fbf017e8d9eb9be535fa", kill_on_drop: false }`
[INFO] [stdout] 8ceda20533b4f2c8e091e4909feb47f74333e891cf94fbf017e8d9eb9be535fa