[INFO] fetching crate string-mumu 0.2.0-rc.2...
[INFO] checking string-mumu-0.2.0-rc.2 against try#dcc22e5232dd0dbe95a4b3ab84c8d24a0880771e for pr-153721
[INFO] extracting crate string-mumu 0.2.0-rc.2 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate string-mumu 0.2.0-rc.2
[INFO] finished tweaking crates.io crate string-mumu 0.2.0-rc.2
[INFO] tweaked toml for crates.io crate string-mumu 0.2.0-rc.2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate string-mumu 0.2.0-rc.2 on toolchain dcc22e5232dd0dbe95a4b3ab84c8d24a0880771e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dcc22e5232dd0dbe95a4b3ab84c8d24a0880771e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate string-mumu 0.2.0-rc.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dcc22e5232dd0dbe95a4b3ab84c8d24a0880771e" "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-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 3eee5d83dd60440ec66c4e72f5264d78ef49899f664537dd99aeaeb5bc77105d
[INFO] running `Command { std: "docker" "start" "3eee5d83dd60440ec66c4e72f5264d78ef49899f664537dd99aeaeb5bc77105d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "3eee5d83dd60440ec66c4e72f5264d78ef49899f664537dd99aeaeb5bc77105d" "/opt/rustwide/cargo-home/bin/cargo" "+dcc22e5232dd0dbe95a4b3ab84c8d24a0880771e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3eee5d83dd60440ec66c4e72f5264d78ef49899f664537dd99aeaeb5bc77105d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "3eee5d83dd60440ec66c4e72f5264d78ef49899f664537dd99aeaeb5bc77105d" "/opt/rustwide/cargo-home/bin/cargo" "+dcc22e5232dd0dbe95a4b3ab84c8d24a0880771e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling signal-hook v0.3.18
[INFO] [stderr]     Checking log v0.4.28
[INFO] [stderr]     Checking regex-syntax v0.8.6
[INFO] [stderr]     Checking bitflags v2.9.4
[INFO] [stderr]    Compiling string-mumu v0.2.0-rc.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]     Checking libloading v0.7.4
[INFO] [stdout] error: target-based cfg should be avoided in build scripts
[INFO] [stdout]   --> build.rs:24:11
[INFO] [stdout]    |
[INFO] [stdout] 24 |     #[cfg(target_os = "windows")]
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(misleading_cfg_in_build_script)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: target-based cfg should be avoided in build scripts
[INFO] [stdout]   --> build.rs:27:11
[INFO] [stdout]    |
[INFO] [stdout] 27 |     #[cfg(target_os = "macos")]
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: target-based cfg should be avoided in build scripts
[INFO] [stdout]   --> build.rs:30:19
[INFO] [stdout]    |
[INFO] [stdout] 30 |     #[cfg(all(not(windows), not(target_os = "macos")))]
[INFO] [stdout]    |                   ^^^^^^^       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: target-based cfg should be avoided in build scripts
[INFO] [stdout]   --> build.rs:44:11
[INFO] [stdout]    |
[INFO] [stdout] 44 |     #[cfg(unix)]
[INFO] [stdout]    |           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: target-based cfg should be avoided in build scripts
[INFO] [stdout]   --> build.rs:62:15
[INFO] [stdout]    |
[INFO] [stdout] 62 |     #[cfg(not(unix))]
[INFO] [stdout]    |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr] error: could not compile `string-mumu` (build script) due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "3eee5d83dd60440ec66c4e72f5264d78ef49899f664537dd99aeaeb5bc77105d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3eee5d83dd60440ec66c4e72f5264d78ef49899f664537dd99aeaeb5bc77105d", kill_on_drop: false }`
[INFO] [stdout] 3eee5d83dd60440ec66c4e72f5264d78ef49899f664537dd99aeaeb5bc77105d