[INFO] fetching crate varurl 0.1.26...
[INFO] testing varurl-0.1.26 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate varurl 0.1.26 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate varurl 0.1.26
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate varurl 0.1.26
[INFO] tweaked toml for crates.io crate varurl 0.1.26 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate varurl 0.1.26 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 75 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8c5773234328169ad77aba79b1d73893c2bcbdb71c5be010aecf94946ad142a4
[INFO] running `Command { std: "docker" "start" "-a" "8c5773234328169ad77aba79b1d73893c2bcbdb71c5be010aecf94946ad142a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c5773234328169ad77aba79b1d73893c2bcbdb71c5be010aecf94946ad142a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c5773234328169ad77aba79b1d73893c2bcbdb71c5be010aecf94946ad142a4", kill_on_drop: false }`
[INFO] [stdout] 8c5773234328169ad77aba79b1d73893c2bcbdb71c5be010aecf94946ad142a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5a466e93b0fb6d571e2a71ff43abcd58a6899fcc73e934e46ed1941cad508570
[INFO] running `Command { std: "docker" "start" "-a" "5a466e93b0fb6d571e2a71ff43abcd58a6899fcc73e934e46ed1941cad508570", kill_on_drop: false }`
[INFO] [stderr]    Compiling daachorse v1.0.0
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling aok v0.1.17
[INFO] [stderr]    Compiling xerr v0.1.16
[INFO] [stderr]    Compiling pos_lines v0.1.10
[INFO] [stderr]    Compiling mdli v0.1.28
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/mdli-0.1.28/src/lib.rs:154:18
[INFO] [stdout]     |
[INFO] [stdout] 154 |               && let Some((_, i)) = remain.next()
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/mdli-0.1.28/src/lib.rs:215:20
[INFO] [stdout]     |
[INFO] [stdout] 215 |                 && let Some(last) = remain[..p].chars().last()
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mdli` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "5a466e93b0fb6d571e2a71ff43abcd58a6899fcc73e934e46ed1941cad508570", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a466e93b0fb6d571e2a71ff43abcd58a6899fcc73e934e46ed1941cad508570", kill_on_drop: false }`
[INFO] [stdout] 5a466e93b0fb6d571e2a71ff43abcd58a6899fcc73e934e46ed1941cad508570