[INFO] fetching crate isla-lib 0.2.0...
[INFO] testing isla-lib-0.2.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate isla-lib 0.2.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate isla-lib 0.2.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate isla-lib 0.2.0
[INFO] finished tweaking crates.io crate isla-lib 0.2.0
[INFO] tweaked toml for crates.io crate isla-lib 0.2.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9ac984d4efd52f09233afbf6699bf95b938ffd510ace473af2b67fe683e17fdc
[INFO] running `Command { std: "docker" "start" "-a" "9ac984d4efd52f09233afbf6699bf95b938ffd510ace473af2b67fe683e17fdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ac984d4efd52f09233afbf6699bf95b938ffd510ace473af2b67fe683e17fdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ac984d4efd52f09233afbf6699bf95b938ffd510ace473af2b67fe683e17fdc", kill_on_drop: false }`
[INFO] [stdout] 9ac984d4efd52f09233afbf6699bf95b938ffd510ace473af2b67fe683e17fdc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] edd6d3ec2c4376f9609c4d0d94b0142ea3cb11f7666990215fad4484abcbe2f5
[INFO] running `Command { std: "docker" "start" "-a" "edd6d3ec2c4376f9609c4d0d94b0142ea3cb11f7666990215fad4484abcbe2f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling pico-args v0.4.2
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling z3-sys v0.5.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling generic-array v0.12.4
[INFO] [stderr]    Compiling ena v0.14.0
[INFO] [stderr]    Compiling lalrpop-util v0.19.6
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling string_cache v0.8.1
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling term v0.7.0
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]    Compiling ascii-canvas v3.0.0
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling crossbeam-channel v0.4.4
[INFO] [stderr]    Compiling crossbeam-deque v0.7.4
[INFO] [stderr]    Compiling crossbeam v0.7.3
[INFO] [stderr]    Compiling lalrpop v0.19.6
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling isla-lib v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.65s
[INFO] running `Command { std: "docker" "inspect" "edd6d3ec2c4376f9609c4d0d94b0142ea3cb11f7666990215fad4484abcbe2f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edd6d3ec2c4376f9609c4d0d94b0142ea3cb11f7666990215fad4484abcbe2f5", kill_on_drop: false }`
[INFO] [stdout] edd6d3ec2c4376f9609c4d0d94b0142ea3cb11f7666990215fad4484abcbe2f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f136a5daf602a964b261444c5353f4748bdb116a7fb66c16b59c014459649e2
[INFO] running `Command { std: "docker" "start" "-a" "3f136a5daf602a964b261444c5353f4748bdb116a7fb66c16b59c014459649e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling isla-lib v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.73s
[INFO] running `Command { std: "docker" "inspect" "3f136a5daf602a964b261444c5353f4748bdb116a7fb66c16b59c014459649e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f136a5daf602a964b261444c5353f4748bdb116a7fb66c16b59c014459649e2", kill_on_drop: false }`
[INFO] [stdout] 3f136a5daf602a964b261444c5353f4748bdb116a7fb66c16b59c014459649e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9f823c84fd3450de01ad5fac602e68746505f35dcbb98353fe03c5e50b08dcb8
[INFO] running `Command { std: "docker" "start" "-a" "9f823c84fd3450de01ad5fac602e68746505f35dcbb98353fe03c5e50b08dcb8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/isla_lib-c55f50a4b7361466)
[INFO] [stdout] 
[INFO] [stdout] running 43 tests
[INFO] [stdout] test bitvector::b129::tests::test_add ... ok
[INFO] [stdout] test bitvector::b129::tests::test_arith_shiftr ... ok
[INFO] [stdout] test bitvector::b129::tests::test_bitand ... ok
[INFO] [stdout] test bitvector::b129::tests::test_bitor ... ok
[INFO] [stdout] test bitvector::b129::tests::test_leading_zeros ... ok
[INFO] [stdout] test bitvector::b129::tests::test_bitxor ... ok
[INFO] [stdout] test bitvector::b129::tests::test_lower_hex ... ok
[INFO] [stdout] test bitvector::b129::tests::test_not ... ok
[INFO] [stdout] test bitvector::b129::tests::test_set_slice ... ok
[INFO] [stdout] test bitvector::b129::tests::test_shl ... ok
[INFO] [stdout] test bitvector::b129::tests::test_shr ... ok
[INFO] [stdout] test bitvector::b129::tests::test_signed ... ok
[INFO] [stdout] test bitvector::b129::tests::test_sign_extend ... ok
[INFO] [stdout] test bitvector::b129::tests::test_sub ... ok
[INFO] [stdout] test bitvector::b129::tests::test_to_bytes ... ok
[INFO] [stdout] test bitvector::b129::tests::test_upper_hex ... ok
[INFO] [stdout] test bitvector::b64::tests::test_append ... ok
[INFO] [stdout] test bitvector::b64::tests::test_add ... ok
[INFO] [stdout] test bitvector::b64::tests::test_arith_shiftr ... ok
[INFO] [stdout] test bitvector::b64::tests::test_extract ... ok
[INFO] [stdout] test bitvector::b64::tests::test_from_bytes ... ok
[INFO] [stdout] test bitvector::b64::tests::test_leading_zeros ... ok
[INFO] [stdout] test bitvector::b64::tests::test_neg ... ok
[INFO] [stdout] test bitvector::b64::tests::test_replicate ... ok
[INFO] [stdout] test bitvector::b64::tests::test_set_slice ... ok
[INFO] [stdout] test bitvector::b64::tests::test_set_slice_int ... ok
[INFO] [stdout] test bitvector::b64::tests::test_shl ... ok
[INFO] [stdout] test bitvector::b64::tests::test_shr ... ok
[INFO] [stdout] test bitvector::b64::tests::test_sign_extend ... ok
[INFO] [stdout] test bitvector::b64::tests::test_signed ... ok
[INFO] [stdout] test bitvector::b64::tests::test_slice ... ok
[INFO] [stdout] test bitvector::b64::tests::test_to_bytes ... ok
[INFO] [stdout] test bitvector::b64::tests::test_truncate_lsb ... ok
[INFO] [stdout] test bitvector::b64::tests::test_unsigned ... ok
[INFO] [stdout] test bitvector::b64::tests::test_zero_extend ... ok
[INFO] [stdout] test bitvector::b64::tests::test_write_bits64 ... ok
[INFO] [stdout] test zencode::tests::zencode ... ok
[INFO] [stdout] test zencode::tests::zdecode ... ok
[INFO] [stdout] test smt::tests::smt_func ... ok
[INFO] [stdout] test smt::tests::array ... ok
[INFO] [stdout] test smt::tests::bv_macro ... ok
[INFO] [stdout] test smt::tests::get_enum_const ... ok
[INFO] [stdout] test smt::tests::get_const ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 43 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests isla-lib
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/smt.rs - smt::Solver (line 807) ... ok
[INFO] [stdout] test src/smt.rs - smt::Model (line 876) ... ok
[INFO] [stdout] test src/smt.rs - smt::Solver (line 831) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.81s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9f823c84fd3450de01ad5fac602e68746505f35dcbb98353fe03c5e50b08dcb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f823c84fd3450de01ad5fac602e68746505f35dcbb98353fe03c5e50b08dcb8", kill_on_drop: false }`
[INFO] [stdout] 9f823c84fd3450de01ad5fac602e68746505f35dcbb98353fe03c5e50b08dcb8