[INFO] cloning repository https://github.com/ckampfe/shathree-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ckampfe/shathree-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fckampfe%2Fshathree-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fckampfe%2Fshathree-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f6933505ea165d2bb53be41290080d5c0b857f7c
[INFO] testing ckampfe/shathree-rs against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fckampfe%2Fshathree-rs" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ckampfe/shathree-rs on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ckampfe/shathree-rs
[INFO] finished tweaking git repo https://github.com/ckampfe/shathree-rs
[INFO] tweaked toml for git repo https://github.com/ckampfe/shathree-rs written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/ckampfe/shathree-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d93d5484d79717c5ee15625687296c93c9a18a494096615da17eeeb0c1170354
[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" "d93d5484d79717c5ee15625687296c93c9a18a494096615da17eeeb0c1170354", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d93d5484d79717c5ee15625687296c93c9a18a494096615da17eeeb0c1170354", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d93d5484d79717c5ee15625687296c93c9a18a494096615da17eeeb0c1170354", kill_on_drop: false }`
[INFO] [stdout] d93d5484d79717c5ee15625687296c93c9a18a494096615da17eeeb0c1170354
[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=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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b58b5dfcc3045ce009ccb3f297f9735fb5da1282793704fc58d6d0f5927bd2aa
[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" "b58b5dfcc3045ce009ccb3f297f9735fb5da1282793704fc58d6d0f5927bd2aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling shathree-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | #![feature(c_variadic, extern_types, ptr_wrapping_offset_from)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: attribute should be applied to a function or static
[INFO] [stdout]   --> src/lib.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     #[no_mangle]
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 22 |     fn memcpy(_: *mut libc::c_void, _: *const libc::c_void, _: libc::c_ulong) -> *mut libc::c_void;
[INFO] [stdout]    |     ----------------------------------------------------------------------------------------------- not a function or static
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: attribute should be applied to a function or static
[INFO] [stdout]   --> src/lib.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     #[no_mangle]
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 24 |     fn memset(_: *mut libc::c_void, _: libc::c_int, _: libc::c_ulong) -> *mut libc::c_void;
[INFO] [stdout]    |     --------------------------------------------------------------------------------------- not a function or static
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: attribute should be applied to a function or static
[INFO] [stdout]   --> src/lib.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     #[no_mangle]
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 26 |     fn strlen(_: *const libc::c_char) -> libc::c_ulong;
[INFO] [stdout]    |     --------------------------------------------------- not a function or static
[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] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `wrapping_offset_from` found for raw pointer `*const u8` in the current scope
[INFO] [stdout]     --> src/lib.rs:1666:18
[INFO] [stdout]      |
[INFO] [stdout] 1666 |         && aData.wrapping_offset_from(0 as *const libc::c_uchar) 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: aborting due to 2 previous errors; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `shathree-rs`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "b58b5dfcc3045ce009ccb3f297f9735fb5da1282793704fc58d6d0f5927bd2aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b58b5dfcc3045ce009ccb3f297f9735fb5da1282793704fc58d6d0f5927bd2aa", kill_on_drop: false }`
[INFO] [stdout] b58b5dfcc3045ce009ccb3f297f9735fb5da1282793704fc58d6d0f5927bd2aa
