[INFO] updating cached repository https://github.com/matteocam/pay-to-sudoku-attack
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cfc072fcdc17e10916185308edbdd232be808ad4
[INFO] documenting matteocam/pay-to-sudoku-attack against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatteocam%2Fpay-to-sudoku-attack" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/matteocam/pay-to-sudoku-attack on toolchain 394e1b40d264aa6928811919c1124fa248e7d802
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/matteocam/pay-to-sudoku-attack
[INFO] finished tweaking git repo https://github.com/matteocam/pay-to-sudoku-attack
[INFO] tweaked toml for git repo https://github.com/matteocam/pay-to-sudoku-attack written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/matteocam/pay-to-sudoku-attack already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "metadata" "--no-deps" "--format-version=1", 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] 50a0950437957bee6f154fa5a4588354fc75e99dcbb9cf8f2df4be0c1756ba47
[INFO] running `Command { std: "docker" "start" "-a" "50a0950437957bee6f154fa5a4588354fc75e99dcbb9cf8f2df4be0c1756ba47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "50a0950437957bee6f154fa5a4588354fc75e99dcbb9cf8f2df4be0c1756ba47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50a0950437957bee6f154fa5a4588354fc75e99dcbb9cf8f2df4be0c1756ba47", kill_on_drop: false }`
[INFO] [stdout] 50a0950437957bee6f154fa5a4588354fc75e99dcbb9cf8f2df4be0c1756ba47
[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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3bce7a29ecd6b16ba8628d5aca0fd00a04f7c3fd364d9015eab879366d92d6c1
[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" "3bce7a29ecd6b16ba8628d5aca0fd00a04f7c3fd364d9015eab879366d92d6c1", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.21
[INFO] [stderr]     Checking rustc-serialize v0.3.23
[INFO] [stderr]     Checking num-traits v0.1.37
[INFO] [stderr]    Compiling gcc v0.3.45
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]     Checking log v0.3.7
[INFO] [stderr]     Checking matches v0.1.4
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]     Checking httparse v1.2.2
[INFO] [stderr]     Checking traitobject v0.0.1
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[INFO] [stderr]     Checking ansi_term v0.7.5
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[INFO] [stderr]     Checking hpack v0.2.0
[INFO] [stderr]     Checking clap v1.5.6
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking time v0.1.36
[INFO] [stderr]     Checking num_cpus v0.2.13
[INFO] [stderr]     Checking solicit v0.4.4
[INFO] [stderr]     Checking num-integer v0.1.34
[INFO] [stderr]     Checking num-iter v0.1.33
[INFO] [stderr]    Compiling miniz-sys v0.1.9
[INFO] [stderr]    Compiling bzip2-sys v0.1.5
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling unicase v1.4.0
[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr]     Checking flate2 v0.2.19
[INFO] [stderr]     Checking bzip2 v0.2.4
[INFO] [stderr]     Checking num-bigint v0.1.37
[INFO] [stderr]     Checking num-complex v0.1.37
[INFO] [stderr]     Checking uuid v0.1.18
[INFO] [stderr]     Checking url v0.2.38
[INFO] [stderr]     Checking num-rational v0.1.36
[INFO] [stderr]     Checking cookie v0.1.21
[INFO] [stderr]     Checking num v0.1.37
[INFO] [stderr]     Checking serde v0.6.15
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[INFO] [stderr]     Checking hyper v0.6.16
[INFO] [stderr]     Checking jsonrpc v0.7.6
[INFO] [stderr]  Documenting pay-to-sudoku v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `extern` block uses type `ffi::Keypair`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 |         -> *const Keypair;
[INFO] [stdout]    |            ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(improper_ctypes)]` on by default
[INFO] [stdout]    = help: consider adding a member to this struct
[INFO] [stdout]    = note: this struct has no fields
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/ffi.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Keypair;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `ffi::Keypair`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi.rs:25:27
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn gen_proof(keypair: *const Keypair, h: *mut c_void,
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a member to this struct
[INFO] [stdout]    = note: this struct has no fields
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/ffi.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Keypair;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `ffi::Keypair`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi.rs:30:40
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn malicious_snark_verify(keypair: *const Keypair,
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a member to this struct
[INFO] [stdout]    = note: this struct has no fields
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/ffi.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Keypair;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `ffi::Keypair`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi.rs:38:40
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn prove_malicious_verify(keypair: *const Keypair, h: *mut c_void,
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a member to this struct
[INFO] [stdout]    = note: this struct has no fields
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/ffi.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Keypair;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.76s
[INFO] running `Command { std: "docker" "inspect" "3bce7a29ecd6b16ba8628d5aca0fd00a04f7c3fd364d9015eab879366d92d6c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bce7a29ecd6b16ba8628d5aca0fd00a04f7c3fd364d9015eab879366d92d6c1", kill_on_drop: false }`
[INFO] [stdout] 3bce7a29ecd6b16ba8628d5aca0fd00a04f7c3fd364d9015eab879366d92d6c1