[INFO] fetching crate landlock 0.1.0...
[INFO] checking landlock-0.1.0 against beta-2021-10-15 for beta-1.56-3
[INFO] extracting crate landlock 0.1.0 into /workspace/builds/worker-26/source
[INFO] validating manifest of crates.io crate landlock 0.1.0 on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate landlock 0.1.0
[INFO] finished tweaking crates.io crate landlock 0.1.0
[INFO] tweaked toml for crates.io crate landlock 0.1.0 written to /workspace/builds/worker-26/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "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-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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" "+beta-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 88cb802efba1566325ad0de537a08936bb6c7fa4a02d38e2ceceadf70d6f57cc
[INFO] running `Command { std: "docker" "start" "-a" "88cb802efba1566325ad0de537a08936bb6c7fa4a02d38e2ceceadf70d6f57cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88cb802efba1566325ad0de537a08936bb6c7fa4a02d38e2ceceadf70d6f57cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88cb802efba1566325ad0de537a08936bb6c7fa4a02d38e2ceceadf70d6f57cc", kill_on_drop: false }`
[INFO] [stdout] 88cb802efba1566325ad0de537a08936bb6c7fa4a02d38e2ceceadf70d6f57cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f021231fdef2fd3aaddbe078e2d28d7569ff93627d32bda4ad0433d0274c2f16
[INFO] running `Command { std: "docker" "start" "-a" "f021231fdef2fd3aaddbe078e2d28d7569ff93627d32bda4ad0433d0274c2f16", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking landlock v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `landlock_create_ruleset`
[INFO] [stdout]   --> src/uapi/mod.rs:37:15
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub unsafe fn landlock_create_ruleset(attr: *const landlock_ruleset_attr, size: size_t,
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `landlock_add_rule`
[INFO] [stdout]   --> src/uapi/mod.rs:42:15
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub unsafe fn landlock_add_rule(ruleset_fd: c_int, rule_type: landlock_rule_type,
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `landlock_restrict_self`
[INFO] [stdout]   --> src/uapi/mod.rs:47:15
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub unsafe fn landlock_restrict_self(ruleset_fd: c_int, flags: __u32) -> c_int {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: reference to packed field is unaligned
[INFO] [stdout]    --> src/uapi/landlock.rs:196:13
[INFO] [stdout]     |
[INFO] [stdout] 196 |             &(*(::std::ptr::null::<landlock_path_beneath_attr>())).allowed_access as *const _ as
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unaligned_references)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #82523 <https://github.com/rust-lang/rust/issues/82523>
[INFO] [stdout]     = note: fields of packed structs are not properly aligned, and creating a misaligned reference is undefined behavior (even if that reference is never dereferenced)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: reference to packed field is unaligned
[INFO] [stdout]    --> src/uapi/landlock.rs:209:13
[INFO] [stdout]     |
[INFO] [stdout] 209 |             &(*(::std::ptr::null::<landlock_path_beneath_attr>())).parent_fd as *const _ as usize
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #82523 <https://github.com/rust-lang/rust/issues/82523>
[INFO] [stdout]     = note: fields of packed structs are not properly aligned, and creating a misaligned reference is undefined behavior (even if that reference is never dereferenced)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `landlock_create_ruleset`
[INFO] [stdout]   --> src/uapi/mod.rs:37:15
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub unsafe fn landlock_create_ruleset(attr: *const landlock_ruleset_attr, size: size_t,
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `landlock_add_rule`
[INFO] [stdout]   --> src/uapi/mod.rs:42:15
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub unsafe fn landlock_add_rule(ruleset_fd: c_int, rule_type: landlock_rule_type,
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `landlock_restrict_self`
[INFO] [stdout]   --> src/uapi/mod.rs:47:15
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub unsafe fn landlock_restrict_self(ruleset_fd: c_int, flags: __u32) -> c_int {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]   --> src/uapi/landlock.rs:44:19
[INFO] [stdout]    |
[INFO] [stdout] 44 |         unsafe { &(*(::std::ptr::null::<__kernel_fd_set>())).fds_bits as *const _ as usize },
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deref_nullptr)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]   --> src/uapi/landlock.rs:94:19
[INFO] [stdout]    |
[INFO] [stdout] 94 |         unsafe { &(*(::std::ptr::null::<__kernel_fsid_t>())).val as *const _ as usize },
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/uapi/landlock.rs:151:14
[INFO] [stdout]     |
[INFO] [stdout] 151 |             &(*(::std::ptr::null::<landlock_ruleset_attr>())).handled_access_fs as *const _ as usize
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/uapi/landlock.rs:196:14
[INFO] [stdout]     |
[INFO] [stdout] 196 |             &(*(::std::ptr::null::<landlock_path_beneath_attr>())).allowed_access as *const _ as
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/uapi/landlock.rs:209:14
[INFO] [stdout]     |
[INFO] [stdout] 209 |             &(*(::std::ptr::null::<landlock_path_beneath_attr>())).parent_fd as *const _ as usize
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.50s
[INFO] running `Command { std: "docker" "inspect" "f021231fdef2fd3aaddbe078e2d28d7569ff93627d32bda4ad0433d0274c2f16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f021231fdef2fd3aaddbe078e2d28d7569ff93627d32bda4ad0433d0274c2f16", kill_on_drop: false }`
[INFO] [stdout] f021231fdef2fd3aaddbe078e2d28d7569ff93627d32bda4ad0433d0274c2f16
