[INFO] fetching crate varurl 0.1.26...
[INFO] checking varurl-0.1.26 against try#1463461488056994d1b84e8b752e7c11c7fae7aa for pr-154205
[INFO] extracting crate varurl 0.1.26 into /workspace/builds/worker-0-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-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate varurl 0.1.26 on toolchain 1463461488056994d1b84e8b752e7c11c7fae7aa
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1463461488056994d1b84e8b752e7c11c7fae7aa" "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" "+1463461488056994d1b84e8b752e7c11c7fae7aa" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 53 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1463461488056994d1b84e8b752e7c11c7fae7aa" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1463461488056994d1b84e8b752e7c11c7fae7aa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b17c08e01002e75f3e96d73d2071449d4e075af86674caa88e82387a5ee440ce
[INFO] running `Command { std: "docker" "start" "-a" "b17c08e01002e75f3e96d73d2071449d4e075af86674caa88e82387a5ee440ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b17c08e01002e75f3e96d73d2071449d4e075af86674caa88e82387a5ee440ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b17c08e01002e75f3e96d73d2071449d4e075af86674caa88e82387a5ee440ce", kill_on_drop: false }`
[INFO] [stdout] b17c08e01002e75f3e96d73d2071449d4e075af86674caa88e82387a5ee440ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1463461488056994d1b84e8b752e7c11c7fae7aa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4493a4fdd852a6556f9832b00ee541e42f9cb38fac4f792db732fd348c7d7e12
[INFO] running `Command { std: "docker" "start" "-a" "4493a4fdd852a6556f9832b00ee541e42f9cb38fac4f792db732fd348c7d7e12", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.102
[INFO] [stderr]     Checking pin-project-lite v0.2.17
[INFO] [stderr]    Compiling libc v0.2.183
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking tracing-core v0.1.36
[INFO] [stderr]    Compiling static_init_macro v1.0.4
[INFO] [stderr]     Checking regex-automata v0.4.14
[INFO] [stderr]    Compiling static_init v1.0.4
[INFO] [stderr]     Checking daachorse v1.0.0
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking aok v0.1.18
[INFO] [stderr]     Checking xerr v0.1.16
[INFO] [stderr]     Checking pos_lines v0.1.10
[INFO] [stderr]     Checking 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" "4493a4fdd852a6556f9832b00ee541e42f9cb38fac4f792db732fd348c7d7e12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4493a4fdd852a6556f9832b00ee541e42f9cb38fac4f792db732fd348c7d7e12", kill_on_drop: false }`
[INFO] [stdout] 4493a4fdd852a6556f9832b00ee541e42f9cb38fac4f792db732fd348c7d7e12