[INFO] fetching crate isla 0.2.0...
[INFO] testing isla-0.2.0 against master#c5842b0be783dffa5a49693541acb79115c7eeef for pr-102570
[INFO] extracting crate isla 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate isla 0.2.0 on toolchain c5842b0be783dffa5a49693541acb79115c7eeef
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5842b0be783dffa5a49693541acb79115c7eeef" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate isla 0.2.0
[INFO] finished tweaking crates.io crate isla 0.2.0
[INFO] tweaked toml for crates.io crate isla 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate isla 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5842b0be783dffa5a49693541acb79115c7eeef" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded scroll_derive v0.10.5
[INFO] [stderr]   Downloaded loom v0.4.0
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.2
[INFO] [stderr]   Downloaded isla-cat v0.2.0
[INFO] [stderr]   Downloaded isla-axiomatic v0.2.0
[INFO] [stderr]   Downloaded generator v0.6.24
[INFO] [stderr]   Downloaded ascii-canvas v2.0.0
[INFO] [stderr]   Downloaded scroll v0.10.2
[INFO] [stderr]   Downloaded goblin v0.2.3
[INFO] [stderr]   Downloaded lalrpop-util v0.19.4
[INFO] [stderr]   Downloaded z3-sys v0.5.0
[INFO] [stderr]   Downloaded bincode v1.3.2
[INFO] [stderr]   Downloaded lalrpop v0.19.4
[INFO] [stderr]   Downloaded isla-lib v0.2.0
[INFO] [stderr]   Downloaded string_cache v0.8.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+c5842b0be783dffa5a49693541acb79115c7eeef" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c1983cd32c9e0c7e576312b666241c7c54717f3ff9b4fdf7097a8d7302bf730f
[INFO] running `Command { std: "docker" "start" "-a" "c1983cd32c9e0c7e576312b666241c7c54717f3ff9b4fdf7097a8d7302bf730f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c1983cd32c9e0c7e576312b666241c7c54717f3ff9b4fdf7097a8d7302bf730f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1983cd32c9e0c7e576312b666241c7c54717f3ff9b4fdf7097a8d7302bf730f", kill_on_drop: false }`
[INFO] [stdout] c1983cd32c9e0c7e576312b666241c7c54717f3ff9b4fdf7097a8d7302bf730f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+c5842b0be783dffa5a49693541acb79115c7eeef" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 246bc6bae1bf5df2503479654c1c65495e7382b9025f3e9f247b43b43de7bb4e
[INFO] running `Command { std: "docker" "start" "-a" "246bc6bae1bf5df2503479654c1c65495e7382b9025f3e9f247b43b43de7bb4e", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling once_cell v1.7.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling siphasher v0.3.3
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling regex-syntax v0.6.22
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling ascii-canvas v2.0.0
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling string_cache v0.8.1
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling ena v0.14.0
[INFO] [stderr]    Compiling pico-args v0.3.4
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling regex v1.4.3
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling crossbeam-channel v0.4.4
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling z3-sys v0.5.0
[INFO] [stderr]    Compiling plain v0.2.3
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling lalrpop-util v0.19.4
[INFO] [stderr]    Compiling crossbeam v0.7.3
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling isla v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling lalrpop v0.19.4
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling scroll_derive v0.10.5
[INFO] [stderr]    Compiling scroll v0.10.2
[INFO] [stderr]    Compiling goblin v0.2.3
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling bincode v1.3.2
[INFO] [stderr]    Compiling isla-cat v0.2.0
[INFO] [stderr]    Compiling isla-lib v0.2.0
[INFO] [stderr]    Compiling isla-axiomatic v0.2.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 48s
[INFO] running `Command { std: "docker" "inspect" "246bc6bae1bf5df2503479654c1c65495e7382b9025f3e9f247b43b43de7bb4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "246bc6bae1bf5df2503479654c1c65495e7382b9025f3e9f247b43b43de7bb4e", kill_on_drop: false }`
[INFO] [stdout] 246bc6bae1bf5df2503479654c1c65495e7382b9025f3e9f247b43b43de7bb4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+c5842b0be783dffa5a49693541acb79115c7eeef" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 06a458c74ee1a74455729795e7047b7d7f3171d267e35ad46147e5168b869749
[INFO] running `Command { std: "docker" "start" "-a" "06a458c74ee1a74455729795e7047b7d7f3171d267e35ad46147e5168b869749", kill_on_drop: false }`
[INFO] [stderr]    Compiling isla v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.16s
[INFO] running `Command { std: "docker" "inspect" "06a458c74ee1a74455729795e7047b7d7f3171d267e35ad46147e5168b869749", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06a458c74ee1a74455729795e7047b7d7f3171d267e35ad46147e5168b869749", kill_on_drop: false }`
[INFO] [stdout] 06a458c74ee1a74455729795e7047b7d7f3171d267e35ad46147e5168b869749
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+c5842b0be783dffa5a49693541acb79115c7eeef" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 85e7c9ec3be1799f9c80e100de3ba39767e6806df8b2a223d799320f80f8dc82
[INFO] running `Command { std: "docker" "start" "-a" "85e7c9ec3be1799f9c80e100de3ba39767e6806df8b2a223d799320f80f8dc82", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/isla-8e52231bba36fcbc)
[INFO] [stderr]      Running unittests src/axiomatic.rs (/opt/rustwide/target/debug/deps/isla_axiomatic-358c273d954f0224)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/client.rs (/opt/rustwide/target/debug/deps/isla_client-7f90eed78a2b24d3)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/execute-function.rs (/opt/rustwide/target/debug/deps/isla_execute_function-7951d2084d3e5717)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/footprint.rs (/opt/rustwide/target/debug/deps/isla_footprint-c745c0f8723a1a72)
[INFO] [stderr]      Running unittests src/preprocess.rs (/opt/rustwide/target/debug/deps/isla_preprocess-3dbd9a1d2b4215c4)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/property.rs (/opt/rustwide/target/debug/deps/isla_property-c4299895246e7a86)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/property129.rs (/opt/rustwide/target/debug/deps/isla_property129-e0d259b26ae026cc)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/zencode.rs (/opt/rustwide/target/debug/deps/zencode-2304af8b385ae86b)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests isla
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "85e7c9ec3be1799f9c80e100de3ba39767e6806df8b2a223d799320f80f8dc82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85e7c9ec3be1799f9c80e100de3ba39767e6806df8b2a223d799320f80f8dc82", kill_on_drop: false }`
[INFO] [stdout] 85e7c9ec3be1799f9c80e100de3ba39767e6806df8b2a223d799320f80f8dc82