[INFO] fetching crate rcc4r 0.1.0...
[INFO] testing rcc4r-0.1.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate rcc4r 0.1.0 into /workspace/builds/worker-28/source
[INFO] validating manifest of crates.io crate rcc4r 0.1.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rcc4r 0.1.0
[INFO] finished tweaking crates.io crate rcc4r 0.1.0
[INFO] tweaked toml for crates.io crate rcc4r 0.1.0 written to /workspace/builds/worker-28/source/Cargo.toml
[INFO] crate crates.io crate rcc4r 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f00976cbc3842def8000457da4a99df038af5b6ab8f48f8fd8f2d9e6787bb980
[INFO] running `Command { std: "docker" "start" "-a" "f00976cbc3842def8000457da4a99df038af5b6ab8f48f8fd8f2d9e6787bb980", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f00976cbc3842def8000457da4a99df038af5b6ab8f48f8fd8f2d9e6787bb980", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f00976cbc3842def8000457da4a99df038af5b6ab8f48f8fd8f2d9e6787bb980", kill_on_drop: false }`
[INFO] [stdout] f00976cbc3842def8000457da4a99df038af5b6ab8f48f8fd8f2d9e6787bb980
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6089ba4f833f427426c0b9f758e71d021ca8585fe75bab38d70cbb3917850994
[INFO] running `Command { std: "docker" "start" "-a" "6089ba4f833f427426c0b9f758e71d021ca8585fe75bab38d70cbb3917850994", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling rcc4r v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no method named `wrapping_offset_from` found for raw pointer `*mut i8` in the current scope
[INFO] [stdout]    --> src/main.rs:137:79
[INFO] [stdout]     |
[INFO] [stdout] 137 |                 printf(b"%d: %.*s\x00" as *const u8 as *const c_char, line, p.wrapping_offset_from(lp) as ssize_t, lp);
[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 i8` in the current scope
[INFO] [stdout]    --> src/main.rs:164:41
[INFO] [stdout]     |
[INFO] [stdout] 164 |             tk = (tk << 6 as c_int) + p.wrapping_offset_from(pp) as ssize_t;
[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 i8` in the current scope
[INFO] [stdout]    --> src/main.rs:167:148
[INFO] [stdout]     |
[INFO] [stdout] 167 | ... *const c_void, p.wrapping_offset_from(pp) as ssize_t as size_t) == 0 {
[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 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rcc4r` due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "6089ba4f833f427426c0b9f758e71d021ca8585fe75bab38d70cbb3917850994", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6089ba4f833f427426c0b9f758e71d021ca8585fe75bab38d70cbb3917850994", kill_on_drop: false }`
[INFO] [stdout] 6089ba4f833f427426c0b9f758e71d021ca8585fe75bab38d70cbb3917850994