[INFO] fetching crate zsling 0.1.2...
[INFO] testing zsling-0.1.2 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1
[INFO] extracting crate zsling 0.1.2 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate zsling 0.1.2
[INFO] finished tweaking crates.io crate zsling 0.1.2
[INFO] tweaked toml for crates.io crate zsling 0.1.2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate zsling 0.1.2 on toolchain caccb4d0368bd918ef6668af8e13834d07040417
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "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" "+caccb4d0368bd918ef6668af8e13834d07040417" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 5 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zigc v0.0.3
[INFO] [stderr]   Downloaded osstrtools v0.2.2
[INFO] [stderr]   Downloaded itertools v0.8.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cd85bbfbd9c265a55787846b5b045ffdd81501ac63db89207ee828c5f53ec098
[INFO] running `Command { std: "docker" "start" "-a" "cd85bbfbd9c265a55787846b5b045ffdd81501ac63db89207ee828c5f53ec098", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd85bbfbd9c265a55787846b5b045ffdd81501ac63db89207ee828c5f53ec098", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd85bbfbd9c265a55787846b5b045ffdd81501ac63db89207ee828c5f53ec098", kill_on_drop: false }`
[INFO] [stdout] cd85bbfbd9c265a55787846b5b045ffdd81501ac63db89207ee828c5f53ec098
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec15ab758178778e37bf368d0545595ceceeee616518c931550bde026fc23d4d
[INFO] running `Command { std: "docker" "start" "-a" "ec15ab758178778e37bf368d0545595ceceeee616518c931550bde026fc23d4d", kill_on_drop: false }`
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling osstrtools v0.2.2
[INFO] [stdout] error: expected one of `(`, `.`, `::`, `;`, `?`, `}`, or an operator, found `:`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/osstrtools-0.2.2/src/lib.rs:754:42
[INFO] [stdout]     |
[INFO] [stdout] 754 |         unsafe { (bytes as *const _).cast:() }
[INFO] [stdout]     |                                          ^ expected one of 7 possible tokens
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `osstrtools` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "ec15ab758178778e37bf368d0545595ceceeee616518c931550bde026fc23d4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec15ab758178778e37bf368d0545595ceceeee616518c931550bde026fc23d4d", kill_on_drop: false }`
[INFO] [stdout] ec15ab758178778e37bf368d0545595ceceeee616518c931550bde026fc23d4d