[INFO] fetching crate seer-z3 0.1.2...
[INFO] testing seer-z3-0.1.2 against 1.54.0 for beta-1.55-1
[INFO] extracting crate seer-z3 0.1.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate seer-z3 0.1.2 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate seer-z3 0.1.2
[INFO] finished tweaking crates.io crate seer-z3 0.1.2
[INFO] tweaked toml for crates.io crate seer-z3 0.1.2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c81102c3b52cd92e628cc5a1aa59ce730e7b9a1f0279cc2277b659e05a081e24
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c81102c3b52cd92e628cc5a1aa59ce730e7b9a1f0279cc2277b659e05a081e24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c81102c3b52cd92e628cc5a1aa59ce730e7b9a1f0279cc2277b659e05a081e24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c81102c3b52cd92e628cc5a1aa59ce730e7b9a1f0279cc2277b659e05a081e24", kill_on_drop: false }`
[INFO] [stdout] c81102c3b52cd92e628cc5a1aa59ce730e7b9a1f0279cc2277b659e05a081e24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9eb46099f4cac999c91f1ac0886ff8b55d921071a728526802f8d62814d1154
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f9eb46099f4cac999c91f1ac0886ff8b55d921071a728526802f8d62814d1154", kill_on_drop: false }`
[INFO] [stderr]    Compiling z3-sys v0.3.0
[INFO] [stderr]    Compiling seer-z3 v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.31s
[INFO] running `Command { std: "docker" "inspect" "f9eb46099f4cac999c91f1ac0886ff8b55d921071a728526802f8d62814d1154", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9eb46099f4cac999c91f1ac0886ff8b55d921071a728526802f8d62814d1154", kill_on_drop: false }`
[INFO] [stdout] f9eb46099f4cac999c91f1ac0886ff8b55d921071a728526802f8d62814d1154
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd7d43e0a6e6f5a45b9523e275ac2586baa66b6d7a69c941ca976c6417eb1483
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "bd7d43e0a6e6f5a45b9523e275ac2586baa66b6d7a69c941ca976c6417eb1483", kill_on_drop: false }`
[INFO] [stderr]    Compiling nom v1.2.4
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling semver v0.2.3
[INFO] [stderr]    Compiling env_logger v0.3.5
[INFO] [stderr]    Compiling seer-z3 v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 11.56s
[INFO] running `Command { std: "docker" "inspect" "bd7d43e0a6e6f5a45b9523e275ac2586baa66b6d7a69c941ca976c6417eb1483", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd7d43e0a6e6f5a45b9523e275ac2586baa66b6d7a69c941ca976c6417eb1483", kill_on_drop: false }`
[INFO] [stdout] bd7d43e0a6e6f5a45b9523e275ac2586baa66b6d7a69c941ca976c6417eb1483
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 22345fd757f3ea3ab54bcba47c99e4400c6ffeca852a774fe515dadf6ca3cced
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "22345fd757f3ea3ab54bcba47c99e4400c6ffeca852a774fe515dadf6ca3cced", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/seer_z3-5259f0a00871d76e)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/lib.rs (/opt/rustwide/target/debug/deps/lib-81d952e75bdb53c1)
[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 5 tests
[INFO] [stdout] test test_solving ... ok
[INFO] [stdout] test test_context ... ok
[INFO] [stdout] test test_config ... ok
[INFO] [stdout] test test_sorts_and_symbols ... ok
[INFO] [stderr]      Running tests/semver_tests.rs (/opt/rustwide/target/debug/deps/semver_tests-52d99ee2fe848ac9)
[INFO] [stdout] test test_solving_for_model ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.12s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr] error: test failed, to rerun pass '--test semver_tests'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/semver_tests-52d99ee2fe848ac9` (signal: 11, SIGSEGV: invalid memory reference)
[INFO] running `Command { std: "docker" "inspect" "22345fd757f3ea3ab54bcba47c99e4400c6ffeca852a774fe515dadf6ca3cced", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22345fd757f3ea3ab54bcba47c99e4400c6ffeca852a774fe515dadf6ca3cced", kill_on_drop: false }`
[INFO] [stdout] 22345fd757f3ea3ab54bcba47c99e4400c6ffeca852a774fe515dadf6ca3cced
