[INFO] cloning repository https://github.com/gjf2a/swim_template
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gjf2a/swim_template" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgjf2a%2Fswim_template", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgjf2a%2Fswim_template'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f09aa316c795e49ee5f91759346734d6144742e2
[INFO] testing gjf2a/swim_template against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgjf2a%2Fswim_template" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-0-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/gjf2a/swim_template
[INFO] finished tweaking git repo https://github.com/gjf2a/swim_template
[INFO] tweaked toml for git repo https://github.com/gjf2a/swim_template written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/gjf2a/swim_template on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/gjf2a/swim_template already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/gjf2a/ramdisk`
[INFO] [stderr]     Updating git repository `https://github.com/gjf2a/simple_interp`
[INFO] [stderr]     Updating git repository `https://github.com/gjf2a/bare_metal_map`
[INFO] [stderr]     Updating git repository `https://github.com/gjf2a/gc_headers`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded x86_64 v0.14.10
[INFO] [stderr]   Downloaded volatile v0.4.6
[INFO] [stderr]   Downloaded volatile v0.2.7
[INFO] [stderr]   Downloaded uart_16550 v0.2.18
[INFO] [stderr]   Downloaded pc-keyboard v0.5.1
[INFO] [stderr]   Downloaded pluggable_interrupt_os v0.4.3
[INFO] [stderr]   Downloaded pic8259 v0.10.3
[INFO] [stderr]   Downloaded bootloader v0.9.23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 0a8cc0e2bc14750415b6dd48db190886d6a4d52d189a06b3de52e23b4407b419
[INFO] running `Command { std: "docker" "start" "0a8cc0e2bc14750415b6dd48db190886d6a4d52d189a06b3de52e23b4407b419", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a8cc0e2bc14750415b6dd48db190886d6a4d52d189a06b3de52e23b4407b419", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "0a8cc0e2bc14750415b6dd48db190886d6a4d52d189a06b3de52e23b4407b419" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a8cc0e2bc14750415b6dd48db190886d6a4d52d189a06b3de52e23b4407b419", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "0a8cc0e2bc14750415b6dd48db190886d6a4d52d189a06b3de52e23b4407b419" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling rustversion v1.0.12
[INFO] [stderr]    Compiling bit_field v0.10.2
[INFO] [stderr]    Compiling volatile v0.4.6
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling bootloader v0.9.23
[INFO] [stderr]    Compiling volatile v0.2.7
[INFO] [stderr]    Compiling gc_headers v0.1.0 (https://github.com/gjf2a/gc_headers#1296d074)
[INFO] [stderr]    Compiling bare_metal_map v0.1.0 (https://github.com/gjf2a/bare_metal_map#91c0d594)
[INFO] [stderr]    Compiling pc-keyboard v0.5.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling ramdisk v0.1.4 (https://github.com/gjf2a/ramdisk#da8347c3)
[INFO] [stderr]    Compiling simple_interp v0.1.0 (https://github.com/gjf2a/simple_interp#dd374f73)
[INFO] [stderr]    Compiling crossbeam v0.8.2
[INFO] [stderr]    Compiling x86_64 v0.14.10
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/x86_64-0.14.10/src/lib.rs:5:35
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![cfg_attr(feature = "const_fn", feature(const_mut_refs))] // GDT add_entry()
[INFO] [stdout]   |                                   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `const_mut_refs` has been stable since `1.83.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0053]: method `steps_between` has an incompatible type for trait
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/x86_64-0.14.10/src/addr.rs:348:51
[INFO] [stdout]     |
[INFO] [stdout] 348 |     fn steps_between(start: &Self, end: &Self) -> Option<usize> {
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^ expected `(usize, Option<usize>)`, found `Option<usize>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected signature `fn(&VirtAddr, &VirtAddr) -> (usize, Option<usize>)`
[INFO] [stdout]                found signature `fn(&VirtAddr, &VirtAddr) -> Option<usize>`
[INFO] [stdout] help: change the output type to match the trait
[INFO] [stdout]     |
[INFO] [stdout] 348 -     fn steps_between(start: &Self, end: &Self) -> Option<usize> {
[INFO] [stdout] 348 +     fn steps_between(start: &Self, end: &Self) -> (usize, Option<usize>) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0046]: not all trait items implemented, missing: `forward_overflowing`, `backward_overflowing`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/x86_64-0.14.10/src/addr.rs:347:1
[INFO] [stdout]     |
[INFO] [stdout] 347 | impl Step for VirtAddr {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^ missing `forward_overflowing`, `backward_overflowing` in implementation
[INFO] [stdout]     |
[INFO] [stdout]     = help: implement the missing item: `fn forward_overflowing(_: Self, _: usize) -> (Self, bool) { todo!() }`
[INFO] [stdout]     = help: implement the missing item: `fn backward_overflowing(_: Self, _: usize) -> (Self, bool) { todo!() }`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0053]: method `steps_between` has an incompatible type for trait
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/x86_64-0.14.10/src/structures/paging/page.rs:272:51
[INFO] [stdout]     |
[INFO] [stdout] 272 |     fn steps_between(start: &Self, end: &Self) -> Option<usize> {
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^ expected `(usize, Option<usize>)`, found `Option<usize>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected signature `fn(&Page<_>, &Page<_>) -> (usize, Option<usize>)`
[INFO] [stdout]                found signature `fn(&Page<_>, &Page<_>) -> Option<usize>`
[INFO] [stdout] help: change the output type to match the trait
[INFO] [stdout]     |
[INFO] [stdout] 272 -     fn steps_between(start: &Self, end: &Self) -> Option<usize> {
[INFO] [stdout] 272 +     fn steps_between(start: &Self, end: &Self) -> (usize, Option<usize>) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0046]: not all trait items implemented, missing: `forward_overflowing`, `backward_overflowing`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/x86_64-0.14.10/src/structures/paging/page.rs:271:1
[INFO] [stdout]     |
[INFO] [stdout] 271 | impl<S: PageSize> Step for Page<S> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ missing `forward_overflowing`, `backward_overflowing` in implementation
[INFO] [stdout]     |
[INFO] [stdout]     = help: implement the missing item: `fn forward_overflowing(_: Self, _: usize) -> (Self, bool) { todo!() }`
[INFO] [stdout]     = help: implement the missing item: `fn backward_overflowing(_: Self, _: usize) -> (Self, bool) { todo!() }`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-complex v0.4.3
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stdout] error[E0599]: `(usize, Option<usize>)` is not an iterator
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/x86_64-0.14.10/src/structures/paging/page.rs:274:14
[INFO] [stdout]     |
[INFO] [stdout] 273 | /         Step::steps_between(&start.start_address, &end.start_address)
[INFO] [stdout] 274 | |             .map(|steps| steps / S::SIZE as usize)
[INFO] [stdout]     | |             -^^^ `(usize, Option<usize>)` is not an iterator
[INFO] [stdout]     | |_____________|
[INFO] [stdout]     |
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `(usize, Option<usize>): Iterator`
[INFO] [stdout]             which is required by `&mut (usize, Option<usize>): Iterator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0046, E0053, E0554, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0046`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `x86_64` (lib) due to 6 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "0a8cc0e2bc14750415b6dd48db190886d6a4d52d189a06b3de52e23b4407b419", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a8cc0e2bc14750415b6dd48db190886d6a4d52d189a06b3de52e23b4407b419", kill_on_drop: false }`
[INFO] [stdout] 0a8cc0e2bc14750415b6dd48db190886d6a4d52d189a06b3de52e23b4407b419
