[INFO] cloning repository https://github.com/jawline/klee-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jawline/klee-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjawline%2Fklee-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjawline%2Fklee-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8952e638f6d8df352aa6ddc4f2f14e657c3e84ac
[INFO] checking jawline/klee-rust against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjawline%2Fklee-rust" "/workspace/builds/worker-77/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-77/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jawline/klee-rust on toolchain 39e1293fce4b650061e85dda88aa428f726a8444
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jawline/klee-rust
[INFO] finished tweaking git repo https://github.com/jawline/klee-rust
[INFO] tweaked toml for git repo https://github.com/jawline/klee-rust written to /workspace/builds/worker-77/source/Cargo.toml
[INFO] crate git repo https://github.com/jawline/klee-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8283cd2db0c8b4f19ff9923154d7c85c341d2d571a013e186cefaeeabb4ff54e
[INFO] running `Command { std: "docker" "start" "-a" "8283cd2db0c8b4f19ff9923154d7c85c341d2d571a013e186cefaeeabb4ff54e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8283cd2db0c8b4f19ff9923154d7c85c341d2d571a013e186cefaeeabb4ff54e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8283cd2db0c8b4f19ff9923154d7c85c341d2d571a013e186cefaeeabb4ff54e", kill_on_drop: false }`
[INFO] [stdout] 8283cd2db0c8b4f19ff9923154d7c85c341d2d571a013e186cefaeeabb4ff54e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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" "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" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 96f2fe3a94a8a4bde9915864cef0f79dccbf905882e245ea3f0799871b12ecde
[INFO] running `Command { std: "docker" "start" "-a" "96f2fe3a94a8a4bde9915864cef0f79dccbf905882e245ea3f0799871b12ecde", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.1.8
[INFO] [stderr]     Checking klee v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]   --> src/lib.rs:15:82
[INFO] [stdout]    |
[INFO] [stdout] 15 |     klee_make_symbolic(data, length as libc::size_t, CString::new(name).unwrap().as_ptr());
[INFO] [stdout]    |                                                      --------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stdout]    |                                                      |
[INFO] [stdout]    |                                                      this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(temporary_cstring_as_ptr)]` on by default
[INFO] [stdout]    = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]    = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]   --> src/lib.rs:15:82
[INFO] [stdout]    |
[INFO] [stdout] 15 |     klee_make_symbolic(data, length as libc::size_t, CString::new(name).unwrap().as_ptr());
[INFO] [stdout]    |                                                      --------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stdout]    |                                                      |
[INFO] [stdout]    |                                                      this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(temporary_cstring_as_ptr)]` on by default
[INFO] [stdout]    = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]    = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "96f2fe3a94a8a4bde9915864cef0f79dccbf905882e245ea3f0799871b12ecde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96f2fe3a94a8a4bde9915864cef0f79dccbf905882e245ea3f0799871b12ecde", kill_on_drop: false }`
[INFO] [stdout] 96f2fe3a94a8a4bde9915864cef0f79dccbf905882e245ea3f0799871b12ecde