[INFO] cloning repository https://github.com/RoastVeg/wlrusts
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RoastVeg/wlrusts" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRoastVeg%2Fwlrusts", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRoastVeg%2Fwlrusts'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8f86cc8662256916aaa529d36da5ce55e3db93c5
[INFO] checking RoastVeg/wlrusts against try#72f88fc4e9458f89516a0b8b0868f3718aec5b47 for pr-74989
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRoastVeg%2Fwlrusts" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/RoastVeg/wlrusts on toolchain 72f88fc4e9458f89516a0b8b0868f3718aec5b47
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/RoastVeg/wlrusts
[INFO] removed workspace from git repo https://github.com/RoastVeg/wlrusts
[INFO] finished tweaking git repo https://github.com/RoastVeg/wlrusts
[INFO] tweaked toml for git repo https://github.com/RoastVeg/wlrusts written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/RoastVeg/wlrusts already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded c2rust-bitfields v0.3.0
[INFO] [stderr]   Downloaded c2rust-bitfields-derive v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6e2a34905f3c44f399c83738adf81aeb8e6ebb2c50e0ab63457502a9fb829079
[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" "6e2a34905f3c44f399c83738adf81aeb8e6ebb2c50e0ab63457502a9fb829079", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e2a34905f3c44f399c83738adf81aeb8e6ebb2c50e0ab63457502a9fb829079", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e2a34905f3c44f399c83738adf81aeb8e6ebb2c50e0ab63457502a9fb829079", kill_on_drop: false }`
[INFO] [stdout] 6e2a34905f3c44f399c83738adf81aeb8e6ebb2c50e0ab63457502a9fb829079
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d7a208f620eb569c726c00a76e30beb071b1300320480e3c129ebc300773ce87
[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" "d7a208f620eb569c726c00a76e30beb071b1300320480e3c129ebc300773ce87", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling wlrusts v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling c2rust-bitfields-derive v0.2.0
[INFO] [stderr]     Checking c2rust-bitfields v0.3.0
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/util/region.rs:493:19
[INFO] [stdout]     |
[INFO] [stdout] 493 |                   (if dx > 0i32 as libc::c_double { 1i32 } else { -1i32 })
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/util/region.rs:500:19
[INFO] [stdout]     |
[INFO] [stdout] 500 |                   (if dy > 0i32 as libc::c_double { 1i32 } else { -1i32 })
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/util/region.rs:493:19
[INFO] [stdout]     |
[INFO] [stdout] 493 |                   (if dx > 0i32 as libc::c_double { 1i32 } else { -1i32 })
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/util/region.rs:500:19
[INFO] [stdout]     |
[INFO] [stdout] 500 |                   (if dy > 0i32 as libc::c_double { 1i32 } else { -1i32 })
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `wrapping_offset_from` found for raw pointer `*mut src::backend::drm::drm::wlr_drm_crtc` in the current scope
[INFO] [stdout]     --> src/backend/drm/drm.rs:2693:27
[INFO] [stdout]      |
[INFO] [stdout] 2693 |              (*conn).crtc.wrapping_offset_from((*drm).crtcs) as libc::c_long,
[INFO] [stdout]      |                           ^^^^^^^^^^^^^^^^^^^^ help: there is an associated function with a similar name: `wrapping_offset`
[INFO] [stdout]      |
[INFO] [stdout]      = note: try using `<*const T>::as_ref()` to get a reference to the type behind the pointer: https://doc.rust-lang.org/std/primitive.pointer.html#method.as_ref
[INFO] [stdout]      = note: using `<*const T>::as_ref()` on a pointer which is unaligned or points to invalid or uninitialized memory is undefined behavior
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `wrapping_offset_from` found for raw pointer `*mut src::backend::drm::drm::wlr_drm_crtc` in the current scope
[INFO] [stdout]     --> src/backend/drm/drm.rs:2760:35
[INFO] [stdout]      |
[INFO] [stdout] 2760 |                      (*conn).crtc.wrapping_offset_from((*drm).crtcs) as
[INFO] [stdout]      |                                   ^^^^^^^^^^^^^^^^^^^^ help: there is an associated function with a similar name: `wrapping_offset`
[INFO] [stdout]      |
[INFO] [stdout]      = note: try using `<*const T>::as_ref()` to get a reference to the type behind the pointer: https://doc.rust-lang.org/std/primitive.pointer.html#method.as_ref
[INFO] [stdout]      = note: using `<*const T>::as_ref()` on a pointer which is unaligned or points to invalid or uninitialized memory is undefined behavior
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `wrapping_offset_from` found for raw pointer `*mut src::backend::drm::drm::wlr_drm_crtc` in the current scope
[INFO] [stdout]     --> src/backend/drm/drm.rs:2765:62
[INFO] [stdout]      |
[INFO] [stdout] 2765 |             *previous_match.as_mut_ptr().offset((*conn).crtc.wrapping_offset_from((*drm).crtcs)
[INFO] [stdout]      |                                                              ^^^^^^^^^^^^^^^^^^^^ help: there is an associated function with a similar name: `wrapping_offset`
[INFO] [stdout]      |
[INFO] [stdout]      = note: try using `<*const T>::as_ref()` to get a reference to the type behind the pointer: https://doc.rust-lang.org/std/primitive.pointer.html#method.as_ref
[INFO] [stdout]      = note: using `<*const T>::as_ref()` on a pointer which is unaligned or points to invalid or uninitialized memory is undefined behavior
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `wrapping_offset_from` found for raw pointer `*mut src::backend::drm::drm::wlr_drm_crtc` in the current scope
[INFO] [stdout]     --> src/backend/drm/drm.rs:2857:37
[INFO] [stdout]      |
[INFO] [stdout] 2857 |                      (*conn_1).crtc.wrapping_offset_from((*drm).crtcs) as
[INFO] [stdout]      |                                     ^^^^^^^^^^^^^^^^^^^^ help: there is an associated function with a similar name: `wrapping_offset`
[INFO] [stdout]      |
[INFO] [stdout]      = note: try using `<*const T>::as_ref()` to get a reference to the type behind the pointer: https://doc.rust-lang.org/std/primitive.pointer.html#method.as_ref
[INFO] [stdout]      = note: using `<*const T>::as_ref()` on a pointer which is unaligned or points to invalid or uninitialized memory is undefined behavior
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `wrapping_offset_from` found for raw pointer `*mut u8` in the current scope
[INFO] [stdout]     --> src/backend/rdp/output.rs:5427:26
[INFO] [stdout]      |
[INFO] [stdout] 5427 |     return (*_s).pointer.wrapping_offset_from((*_s).buffer) as libc::c_long as
[INFO] [stdout]      |                          ^^^^^^^^^^^^^^^^^^^^ help: there is an associated function with a similar name: `wrapping_offset`
[INFO] [stdout]      |
[INFO] [stdout]      = note: try using `<*const T>::as_ref()` to get a reference to the type behind the pointer: https://doc.rust-lang.org/std/primitive.pointer.html#method.as_ref
[INFO] [stdout]      = note: using `<*const T>::as_ref()` on a pointer which is unaligned or points to invalid or uninitialized memory is undefined behavior
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `wrapping_offset_from` found for raw pointer `*mut src::backend::drm::drm::wlr_drm_crtc` in the current scope
[INFO] [stdout]     --> src/backend/drm/drm.rs:2693:27
[INFO] [stdout]      |
[INFO] [stdout] 2693 |              (*conn).crtc.wrapping_offset_from((*drm).crtcs) as libc::c_long,
[INFO] [stdout]      |                           ^^^^^^^^^^^^^^^^^^^^ help: there is an associated function with a similar name: `wrapping_offset`
[INFO] [stdout]      |
[INFO] [stdout]      = note: try using `<*const T>::as_ref()` to get a reference to the type behind the pointer: https://doc.rust-lang.org/std/primitive.pointer.html#method.as_ref
[INFO] [stdout]      = note: using `<*const T>::as_ref()` on a pointer which is unaligned or points to invalid or uninitialized memory is undefined behavior
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `wrapping_offset_from` found for raw pointer `*mut src::backend::drm::drm::wlr_drm_crtc` in the current scope
[INFO] [stdout]     --> src/backend/drm/drm.rs:2760:35
[INFO] [stdout]      |
[INFO] [stdout] 2760 |                      (*conn).crtc.wrapping_offset_from((*drm).crtcs) as
[INFO] [stdout]      |                                   ^^^^^^^^^^^^^^^^^^^^ help: there is an associated function with a similar name: `wrapping_offset`
[INFO] [stdout]      |
[INFO] [stdout]      = note: try using `<*const T>::as_ref()` to get a reference to the type behind the pointer: https://doc.rust-lang.org/std/primitive.pointer.html#method.as_ref
[INFO] [stdout]      = note: using `<*const T>::as_ref()` on a pointer which is unaligned or points to invalid or uninitialized memory is undefined behavior
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `wrapping_offset_from` found for raw pointer `*mut src::backend::drm::drm::wlr_drm_crtc` in the current scope
[INFO] [stdout]     --> src/backend/drm/drm.rs:2765:62
[INFO] [stdout]      |
[INFO] [stdout] 2765 |             *previous_match.as_mut_ptr().offset((*conn).crtc.wrapping_offset_from((*drm).crtcs)
[INFO] [stdout]      |                                                              ^^^^^^^^^^^^^^^^^^^^ help: there is an associated function with a similar name: `wrapping_offset`
[INFO] [stdout]      |
[INFO] [stdout]      = note: try using `<*const T>::as_ref()` to get a reference to the type behind the pointer: https://doc.rust-lang.org/std/primitive.pointer.html#method.as_ref
[INFO] [stdout]      = note: using `<*const T>::as_ref()` on a pointer which is unaligned or points to invalid or uninitialized memory is undefined behavior
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `wrapping_offset_from` found for raw pointer `*mut src::backend::drm::drm::wlr_drm_crtc` in the current scope
[INFO] [stdout]     --> src/backend/drm/drm.rs:2857:37
[INFO] [stdout]      |
[INFO] [stdout] 2857 |                      (*conn_1).crtc.wrapping_offset_from((*drm).crtcs) as
[INFO] [stdout]      |                                     ^^^^^^^^^^^^^^^^^^^^ help: there is an associated function with a similar name: `wrapping_offset`
[INFO] [stdout]      |
[INFO] [stdout]      = note: try using `<*const T>::as_ref()` to get a reference to the type behind the pointer: https://doc.rust-lang.org/std/primitive.pointer.html#method.as_ref
[INFO] [stdout]      = note: using `<*const T>::as_ref()` on a pointer which is unaligned or points to invalid or uninitialized memory is undefined behavior
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `wrapping_offset_from` found for raw pointer `*mut u8` in the current scope
[INFO] [stdout]     --> src/backend/rdp/output.rs:5427:26
[INFO] [stdout]      |
[INFO] [stdout] 5427 |     return (*_s).pointer.wrapping_offset_from((*_s).buffer) as libc::c_long as
[INFO] [stdout]      |                          ^^^^^^^^^^^^^^^^^^^^ help: there is an associated function with a similar name: `wrapping_offset`
[INFO] [stdout]      |
[INFO] [stdout]      = note: try using `<*const T>::as_ref()` to get a reference to the type behind the pointer: https://doc.rust-lang.org/std/primitive.pointer.html#method.as_ref
[INFO] [stdout]      = note: using `<*const T>::as_ref()` on a pointer which is unaligned or points to invalid or uninitialized memory is undefined behavior
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `wrapping_offset_from` found for raw pointer `*const i8` in the current scope
[INFO] [stdout]    --> src/xcursor/xcursor.rs:754:20
[INFO] [stdout]     |
[INFO] [stdout] 754 |     dirlen = colon.wrapping_offset_from(dir) as libc::c_long as libc::c_int;
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^ help: there is an associated function with a similar name: `wrapping_offset`
[INFO] [stdout]     |
[INFO] [stdout]     = note: try using `<*const T>::as_ref()` to get a reference to the type behind the pointer: https://doc.rust-lang.org/std/primitive.pointer.html#method.as_ref
[INFO] [stdout]     = note: using `<*const T>::as_ref()` on a pointer which is unaligned or points to invalid or uninitialized memory is undefined behavior
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `wrapping_offset_from` found for raw pointer `*const i8` in the current scope
[INFO] [stdout]    --> src/xcursor/xcursor.rs:758:16
[INFO] [stdout]     |
[INFO] [stdout] 758 |         tcolon.wrapping_offset_from(theme) as libc::c_long as libc::c_int;
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^ help: there is an associated function with a similar name: `wrapping_offset`
[INFO] [stdout]     |
[INFO] [stdout]     = note: try using `<*const T>::as_ref()` to get a reference to the type behind the pointer: https://doc.rust-lang.org/std/primitive.pointer.html#method.as_ref
[INFO] [stdout]     = note: using `<*const T>::as_ref()` on a pointer which is unaligned or points to invalid or uninitialized memory is undefined behavior
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wlrusts`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0599]: no method named `wrapping_offset_from` found for raw pointer `*const i8` in the current scope
[INFO] [stdout]    --> src/xcursor/xcursor.rs:754:20
[INFO] [stdout]     |
[INFO] [stdout] 754 |     dirlen = colon.wrapping_offset_from(dir) as libc::c_long as libc::c_int;
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^ help: there is an associated function with a similar name: `wrapping_offset`
[INFO] [stdout]     |
[INFO] [stdout]     = note: try using `<*const T>::as_ref()` to get a reference to the type behind the pointer: https://doc.rust-lang.org/std/primitive.pointer.html#method.as_ref
[INFO] [stdout]     = note: using `<*const T>::as_ref()` on a pointer which is unaligned or points to invalid or uninitialized memory is undefined behavior
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `wrapping_offset_from` found for raw pointer `*const i8` in the current scope
[INFO] [stdout]    --> src/xcursor/xcursor.rs:758:16
[INFO] [stdout]     |
[INFO] [stdout] 758 |         tcolon.wrapping_offset_from(theme) as libc::c_long as libc::c_int;
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^ help: there is an associated function with a similar name: `wrapping_offset`
[INFO] [stdout]     |
[INFO] [stdout]     = note: try using `<*const T>::as_ref()` to get a reference to the type behind the pointer: https://doc.rust-lang.org/std/primitive.pointer.html#method.as_ref
[INFO] [stdout]     = note: using `<*const T>::as_ref()` on a pointer which is unaligned or points to invalid or uninitialized memory is undefined behavior
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "d7a208f620eb569c726c00a76e30beb071b1300320480e3c129ebc300773ce87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7a208f620eb569c726c00a76e30beb071b1300320480e3c129ebc300773ce87", kill_on_drop: false }`
[INFO] [stdout] d7a208f620eb569c726c00a76e30beb071b1300320480e3c129ebc300773ce87
