[INFO] fetching crate region_cached 0.1.12...
[INFO] building region_cached-0.1.12 against try#8b8eff55bd72abbb57167bc42222a7f91d41cb0d for pr-142134-abi-ast-error
[INFO] extracting crate region_cached 0.1.12 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate region_cached 0.1.12 on toolchain 8b8eff55bd72abbb57167bc42222a7f91d41cb0d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate region_cached 0.1.12
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate region_cached 0.1.12
[INFO] tweaked toml for crates.io crate region_cached 0.1.12 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate region_cached 0.1.12 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" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed777a8dcf0b312130f89227b68f50d983383c4af6c76f9fc9d83a8e0d14e8a9
[INFO] running `Command { std: "docker" "start" "-a" "ed777a8dcf0b312130f89227b68f50d983383c4af6c76f9fc9d83a8e0d14e8a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed777a8dcf0b312130f89227b68f50d983383c4af6c76f9fc9d83a8e0d14e8a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed777a8dcf0b312130f89227b68f50d983383c4af6c76f9fc9d83a8e0d14e8a9", kill_on_drop: false }`
[INFO] [stdout] ed777a8dcf0b312130f89227b68f50d983383c4af6c76f9fc9d83a8e0d14e8a9
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e60a9f8883a7e6c77ea5c104f9a1ab9aa30afeef8befe57f7a74cbdad25555f8
[INFO] running `Command { std: "docker" "start" "-a" "e60a9f8883a7e6c77ea5c104f9a1ab9aa30afeef8befe57f7a74cbdad25555f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
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[INFO] [stderr]    Compiling derive_more-impl v2.0.1
[INFO] [stderr]    Compiling negative-impl v0.1.6
[INFO] [stderr]    Compiling linked_macros v0.2.1
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[INFO] [stderr]    Compiling linked v0.2.1
[INFO] [stderr]    Compiling include-doc v0.2.2
[INFO] [stderr]    Compiling derive_more v2.0.1
[INFO] [stderr]    Compiling cpulist v0.2.0
[INFO] [stderr]    Compiling many_cpus v0.3.2
[INFO] [stderr]    Compiling region_cached v0.1.12 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 38.24s
[INFO] running `Command { std: "docker" "inspect" "e60a9f8883a7e6c77ea5c104f9a1ab9aa30afeef8befe57f7a74cbdad25555f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e60a9f8883a7e6c77ea5c104f9a1ab9aa30afeef8befe57f7a74cbdad25555f8", kill_on_drop: false }`
[INFO] [stdout] e60a9f8883a7e6c77ea5c104f9a1ab9aa30afeef8befe57f7a74cbdad25555f8
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d974117f4275558a09ce8b97b3919ed7c1f4ec8b5b5c79908d30a42a7194d07
[INFO] running `Command { std: "docker" "start" "-a" "5d974117f4275558a09ce8b97b3919ed7c1f4ec8b5b5c79908d30a42a7194d07", kill_on_drop: false }`
[INFO] [stderr]    Compiling smallvec v1.15.0
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[INFO] [stderr]    Compiling mutants v0.0.3
[INFO] [stderr]    Compiling region_cached v0.1.12 (/opt/rustwide/workdir)
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[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1m 09s
[INFO] running `Command { std: "docker" "inspect" "5d974117f4275558a09ce8b97b3919ed7c1f4ec8b5b5c79908d30a42a7194d07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d974117f4275558a09ce8b97b3919ed7c1f4ec8b5b5c79908d30a42a7194d07", kill_on_drop: false }`
[INFO] [stdout] 5d974117f4275558a09ce8b97b3919ed7c1f4ec8b5b5c79908d30a42a7194d07