[INFO] cloning repository https://github.com/jazz-lang/Jazz-jit
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jazz-lang/Jazz-jit" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjazz-lang%2FJazz-jit", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjazz-lang%2FJazz-jit'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e88a8babeeefa89d6e903e8e96bc7da7b9be4a20
[INFO] documenting jazz-lang/Jazz-jit against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjazz-lang%2FJazz-jit" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jazz-lang/Jazz-jit on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jazz-lang/Jazz-jit
[INFO] finished tweaking git repo https://github.com/jazz-lang/Jazz-jit
[INFO] tweaked toml for git repo https://github.com/jazz-lang/Jazz-jit written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/jazz-lang/Jazz-jit already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-1/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 73021aa063beb1cf29bde6bc00d76ef59e3c1200d81d9681dac52b089c1cab5c
[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" "73021aa063beb1cf29bde6bc00d76ef59e3c1200d81d9681dac52b089c1cab5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "73021aa063beb1cf29bde6bc00d76ef59e3c1200d81d9681dac52b089c1cab5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73021aa063beb1cf29bde6bc00d76ef59e3c1200d81d9681dac52b089c1cab5c", kill_on_drop: false }`
[INFO] [stdout] 73021aa063beb1cf29bde6bc00d76ef59e3c1200d81d9681dac52b089c1cab5c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0df4890c8dde80e073c6a85556f8fe68db1c299a6d4d551cba82ee8d45673741
[INFO] running `Command { std: "docker" "start" "-a" "0df4890c8dde80e073c6a85556f8fe68db1c299a6d4d551cba82ee8d45673741", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling cbindgen v0.14.4
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling capstone-sys v0.10.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]     Checking capstone v0.6.0
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling jazz-jit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting jazz-jit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `extern` fn uses type `std::vec::Vec<u8>`, which is not FFI-safe
[INFO] [stdout]   --> src/assembler.rs:52:32
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub extern "C" fn new() -> Assembler {
[INFO] [stdout]    |                                ^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stdout]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]    = note: this struct has unspecified layout
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `std::vec::Vec<dseg::Entry>`, which is not FFI-safe
[INFO] [stdout]   --> src/dseg.rs:46:32
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub extern "C" fn new() -> DSeg {
[INFO] [stdout]    |                                ^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]    = note: this struct has unspecified layout
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `std::vec::Vec<T>`, which is not FFI-safe
[INFO] [stdout]  --> src/utils/mod.rs:1:52
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub extern "C" fn copy_vec<T: Copy>(v: &Vec<T>) -> Vec<T> {
[INFO] [stdout]   |                                                    ^^^^^^ not FFI-safe
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]   = note: this struct has unspecified layout
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 27s
[INFO] running `Command { std: "docker" "inspect" "0df4890c8dde80e073c6a85556f8fe68db1c299a6d4d551cba82ee8d45673741", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0df4890c8dde80e073c6a85556f8fe68db1c299a6d4d551cba82ee8d45673741", kill_on_drop: false }`
[INFO] [stdout] 0df4890c8dde80e073c6a85556f8fe68db1c299a6d4d551cba82ee8d45673741