[INFO] fetching crate flussab-btor2 0.1.0...
[INFO] testing flussab-btor2-0.1.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate flussab-btor2 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate flussab-btor2 0.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate flussab-btor2 0.1.0
[INFO] tweaked toml for crates.io crate flussab-btor2 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate flussab-btor2 0.1.0 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate flussab-btor2 0.1.0 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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] Blocking waiting for file lock on package cache
[INFO] [stderr] Updating crates.io index
[INFO] [stderr] Downloading crates ...
[INFO] [stderr] Downloaded flussab v0.3.1
[INFO] [stderr] Downloaded bstr v1.10.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] be0716b48d4f08d7f3c3be03aa091ffeac8aeca1007b826913c08727fe2cc5ce
[INFO] running `Command { std: "docker" "start" "-a" "be0716b48d4f08d7f3c3be03aa091ffeac8aeca1007b826913c08727fe2cc5ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be0716b48d4f08d7f3c3be03aa091ffeac8aeca1007b826913c08727fe2cc5ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be0716b48d4f08d7f3c3be03aa091ffeac8aeca1007b826913c08727fe2cc5ce", kill_on_drop: false }`
[INFO] [stdout] be0716b48d4f08d7f3c3be03aa091ffeac8aeca1007b826913c08727fe2cc5ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 80e73ed906f646bf160c822b9ac5c2c542abf3500cfd184a891f50e3529214ff
[INFO] running `Command { std: "docker" "start" "-a" "80e73ed906f646bf160c822b9ac5c2c542abf3500cfd184a891f50e3529214ff", kill_on_drop: false }`
[INFO] [stderr] Compiling proc-macro2 v1.0.81
[INFO] [stderr] Compiling num-traits v0.2.17
[INFO] [stderr] Compiling thiserror v1.0.58
[INFO] [stderr] Compiling regex-automata v0.4.9
[INFO] [stderr] Compiling itoap v1.0.1
[INFO] [stderr] Compiling quote v1.0.36
[INFO] [stderr] Compiling syn v2.0.60
[INFO] [stderr] Compiling bstr v1.10.0
[INFO] [stderr] Compiling flussab v0.3.1
[INFO] [stderr] Compiling thiserror-impl v1.0.58
[INFO] [stderr] Compiling flussab-btor2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout] --> src/parser.rs:285:22
[INFO] [stdout] |
[INFO] [stdout] 285 | pub fn next_line(&mut self) -> Result