[INFO] fetching crate fg 0.1.4...
[INFO] checking fg-0.1.4 against try#72f88fc4e9458f89516a0b8b0868f3718aec5b47 for pr-74989
[INFO] extracting crate fg 0.1.4 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate fg 0.1.4 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 crates.io crate fg 0.1.4
[INFO] finished tweaking crates.io crate fg 0.1.4
[INFO] tweaked toml for crates.io crate fg 0.1.4 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate fg 0.1.4 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 0f9180504ee26da9062e18ca9c0f7a35900f4988813170473c748b206a32fbb7
[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" "0f9180504ee26da9062e18ca9c0f7a35900f4988813170473c748b206a32fbb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f9180504ee26da9062e18ca9c0f7a35900f4988813170473c748b206a32fbb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f9180504ee26da9062e18ca9c0f7a35900f4988813170473c748b206a32fbb7", kill_on_drop: false }`
[INFO] [stdout] 0f9180504ee26da9062e18ca9c0f7a35900f4988813170473c748b206a32fbb7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 216422bfa570a28b7959967131aa6c6d7f7d3024543adc70d118b8e570297b13
[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" "216422bfa570a28b7959967131aa6c6d7f7d3024543adc70d118b8e570297b13", kill_on_drop: false }`
[INFO] [stderr]     Checking fg v0.1.4 (/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:529:50
[INFO] [stdout]     |
[INFO] [stdout] 529 |                         (*commandPtr).offset(src.wrapping_offset_from(*commandPtr)
[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:552:27
[INFO] [stdout]     |
[INFO] [stdout] 552 |             returnCommand.wrapping_offset_from(*commandPtr) 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 i8` in the current scope
[INFO] [stdout]    --> src/main.rs:529:50
[INFO] [stdout]     |
[INFO] [stdout] 529 |                         (*commandPtr).offset(src.wrapping_offset_from(*commandPtr)
[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:552:27
[INFO] [stdout]     |
[INFO] [stdout] 552 |             returnCommand.wrapping_offset_from(*commandPtr) 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: aborting due to 2 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 `fg`.
[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: aborting due to 2 previous errors
[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" "216422bfa570a28b7959967131aa6c6d7f7d3024543adc70d118b8e570297b13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "216422bfa570a28b7959967131aa6c6d7f7d3024543adc70d118b8e570297b13", kill_on_drop: false }`
[INFO] [stdout] 216422bfa570a28b7959967131aa6c6d7f7d3024543adc70d118b8e570297b13
