[INFO] cloning repository https://github.com/apoloval/simproc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/apoloval/simproc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fapoloval%2Fsimproc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fapoloval%2Fsimproc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9cea797591c4a6f84fe36dfc68286286aa9924a6
[INFO] documenting apoloval/simproc against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fapoloval%2Fsimproc" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/apoloval/simproc on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/apoloval/simproc
[INFO] finished tweaking git repo https://github.com/apoloval/simproc
[INFO] tweaked toml for git repo https://github.com/apoloval/simproc written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/apoloval/simproc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2ae1277019818d637b6675bd483dbd662e4cd4c1d55f5500efec9124deb08a52
[INFO] running `Command { std: "docker" "start" "-a" "2ae1277019818d637b6675bd483dbd662e4cd4c1d55f5500efec9124deb08a52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ae1277019818d637b6675bd483dbd662e4cd4c1d55f5500efec9124deb08a52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ae1277019818d637b6675bd483dbd662e4cd4c1d55f5500efec9124deb08a52", kill_on_drop: false }`
[INFO] [stdout] 2ae1277019818d637b6675bd483dbd662e4cd4c1d55f5500efec9124deb08a52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "RUSTDOCFLAGS=--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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 339c8b1c2fdbd06046fef5ddb96721926737ab772c756ee7b9af304ad237541d
[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" "339c8b1c2fdbd06046fef5ddb96721926737ab772c756ee7b9af304ad237541d", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking serde v1.0.37
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v0.3.5
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking regex v0.2.10
[INFO] [stderr]    Compiling quote v0.5.1
[INFO] [stderr]    Compiling syn v0.13.1
[INFO] [stderr]    Compiling serde_derive_internals v0.23.0
[INFO] [stderr]    Compiling serde_derive v1.0.37
[INFO] [stderr]     Checking docopt v0.8.3
[INFO] [stderr]     Checking simproc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting simproc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cpu/io.rs:17:43
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct Io<'a> { devs: HashMap<u8, Box<IoDevice + 'a>> }
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 17 - pub struct Io<'a> { devs: HashMap<u8, Box<IoDevice + 'a>> }
[INFO] [stdout] 17 + pub struct Io<'a> { devs: HashMap<u8, Box<dyn IoDevice + 'a>> }
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cpu/exec.rs:24:54
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn exec<M: Memory>(inst: &RuntimeInst, ctx: &mut ExecCtx<Mem=M>) -> Cycle {
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 24 - pub fn exec<M: Memory>(inst: &RuntimeInst, ctx: &mut ExecCtx<Mem=M>) -> Cycle {
[INFO] [stdout] 24 + pub fn exec<M: Memory>(inst: &RuntimeInst, ctx: &mut dyn ExecCtx<Mem=M>) -> Cycle {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cpu/exec.rs:79:34
[INFO] [stdout]    |
[INFO] [stdout] 79 | fn exec_add<M: Memory>(ctx: &mut ExecCtx<Mem=M>, dst: Reg, src: Reg, carry: bool) -> Cycle {
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 79 - fn exec_add<M: Memory>(ctx: &mut ExecCtx<Mem=M>, dst: Reg, src: Reg, carry: bool) -> Cycle {
[INFO] [stdout] 79 + fn exec_add<M: Memory>(ctx: &mut dyn ExecCtx<Mem=M>, dst: Reg, src: Reg, carry: bool) -> Cycle {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cpu/exec.rs:86:35
[INFO] [stdout]    |
[INFO] [stdout] 86 | fn exec_addi<M: Memory>(ctx: &mut ExecCtx<Mem=M>, dst: Reg, src: u8) -> Cycle {
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 86 - fn exec_addi<M: Memory>(ctx: &mut ExecCtx<Mem=M>, dst: Reg, src: u8) -> Cycle {
[INFO] [stdout] 86 + fn exec_addi<M: Memory>(ctx: &mut dyn ExecCtx<Mem=M>, dst: Reg, src: u8) -> Cycle {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cpu/exec.rs:91:32
[INFO] [stdout]    |
[INFO] [stdout] 91 | fn do_add<M: Memory>(ctx: &mut ExecCtx<Mem=M>, dst: Reg, src: u8, carry: bool) {
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 91 - fn do_add<M: Memory>(ctx: &mut ExecCtx<Mem=M>, dst: Reg, src: u8, carry: bool) {
[INFO] [stdout] 91 + fn do_add<M: Memory>(ctx: &mut dyn ExecCtx<Mem=M>, dst: Reg, src: u8, carry: bool) {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/cpu/exec.rs:105:34
[INFO] [stdout]     |
[INFO] [stdout] 105 | fn exec_sub<M: Memory>(ctx: &mut ExecCtx<Mem=M>, dst: Reg, src: Reg, carry: bool) -> Cycle {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 105 - fn exec_sub<M: Memory>(ctx: &mut ExecCtx<Mem=M>, dst: Reg, src: Reg, carry: bool) -> Cycle {
[INFO] [stdout] 105 + fn exec_sub<M: Memory>(ctx: &mut dyn ExecCtx<Mem=M>, dst: Reg, src: Reg, carry: bool) -> Cycle {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/cpu/exec.rs:112:35
[INFO] [stdout]     |
[INFO] [stdout] 112 | fn exec_subi<M: Memory>(ctx: &mut ExecCtx<Mem=M>, dst: Reg, src: u8) -> Cycle {
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 112 - fn exec_subi<M: Memory>(ctx: &mut ExecCtx<Mem=M>, dst: Reg, src: u8) -> Cycle {
[INFO] [stdout] 112 + fn exec_subi<M: Memory>(ctx: &mut dyn ExecCtx<Mem=M>, dst: Reg, src: u8) -> Cycle {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/cpu/exec.rs:117:32
[INFO] [stdout]     |
[INFO] [stdout] 117 | fn do_sub<M: Memory>(ctx: &mut ExecCtx<Mem=M>, dst: Reg, src: u8, carry: bool) {
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 117 - fn do_sub<M: Memory>(ctx: &mut ExecCtx<Mem=M>, dst: Reg, src: u8, carry: bool) {
[INFO] [stdout] 117 + fn do_sub<M: Memory>(ctx: &mut dyn ExecCtx<Mem=M>, dst: Reg, src: u8, carry: bool) {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/cpu/exec.rs:132:15
[INFO] [stdout]     |
[INFO] [stdout] 132 |     ctx: &mut ExecCtx<Mem=M>, dst: Reg, logic: L) -> Cycle
[INFO] [stdout]     |               ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 132 -     ctx: &mut ExecCtx<Mem=M>, dst: Reg, logic: L) -> Cycle
[INFO] [stdout] 132 +     ctx: &mut dyn ExecCtx<Mem=M>, dst: Reg, logic: L) -> Cycle
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/cpu/exec.rs:148:15
[INFO] [stdout]     |
[INFO] [stdout] 148 |     ctx: &mut ExecCtx<Mem=M>, dst: Reg, src: Reg, logic: L) -> Cycle
[INFO] [stdout]     |               ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 148 -     ctx: &mut ExecCtx<Mem=M>, dst: Reg, src: Reg, logic: L) -> Cycle
[INFO] [stdout] 148 +     ctx: &mut dyn ExecCtx<Mem=M>, dst: Reg, src: Reg, logic: L) -> Cycle
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/cpu/exec.rs:165:34
[INFO] [stdout]     |
[INFO] [stdout] 165 | fn exec_inc<M: Memory>(ctx: &mut ExecCtx<Mem=M>, dst: Reg, positive: bool) -> Cycle {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 165 - fn exec_inc<M: Memory>(ctx: &mut ExecCtx<Mem=M>, dst: Reg, positive: bool) -> Cycle {
[INFO] [stdout] 165 + fn exec_inc<M: Memory>(ctx: &mut dyn ExecCtx<Mem=M>, dst: Reg, positive: bool) -> Cycle {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/cpu/exec.rs:179:35
[INFO] [stdout]     |
[INFO] [stdout] 179 | fn exec_incw<M: Memory>(ctx: &mut ExecCtx<Mem=M>, dst: AddrReg, positive: bool) -> Cycle {
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 179 - fn exec_incw<M: Memory>(ctx: &mut ExecCtx<Mem=M>, dst: AddrReg, positive: bool) -> Cycle {
[INFO] [stdout] 179 + fn exec_incw<M: Memory>(ctx: &mut dyn ExecCtx<Mem=M>, dst: AddrReg, positive: bool) -> Cycle {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/cpu/exec.rs:194:15
[INFO] [stdout]     |
[INFO] [stdout] 194 |     ctx: &mut ExecCtx<Mem=M>, dst: Reg, f: F, g: G) -> Cycle
[INFO] [stdout]     |               ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 194 -     ctx: &mut ExecCtx<Mem=M>, dst: Reg, f: F, g: G) -> Cycle
[INFO] [stdout] 194 +     ctx: &mut dyn ExecCtx<Mem=M>, dst: Reg, f: F, g: G) -> Cycle
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/cpu/exec.rs:209:34
[INFO] [stdout]     |
[INFO] [stdout] 209 | fn exec_mov<M: Memory>(ctx: &mut ExecCtx<Mem=M>, dst: Reg, src: Reg) -> Cycle {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 209 - fn exec_mov<M: Memory>(ctx: &mut ExecCtx<Mem=M>, dst: Reg, src: Reg) -> Cycle {
[INFO] [stdout] 209 + fn exec_mov<M: Memory>(ctx: &mut dyn ExecCtx<Mem=M>, dst: Reg, src: Reg) -> Cycle {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/cpu/exec.rs:217:33
[INFO] [stdout]     |
[INFO] [stdout] 217 | fn exec_ld<M: Memory>(ctx: &mut ExecCtx<Mem=M>, dst: Reg, src: AddrReg) -> Cycle {
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 217 - fn exec_ld<M: Memory>(ctx: &mut ExecCtx<Mem=M>, dst: Reg, src: AddrReg) -> Cycle {
[INFO] [stdout] 217 + fn exec_ld<M: Memory>(ctx: &mut dyn ExecCtx<Mem=M>, dst: Reg, src: AddrReg) -> Cycle {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/cpu/exec.rs:225:34
[INFO] [stdout]     |
[INFO] [stdout] 225 | fn exec_ldd<M: Memory>(ctx: &mut ExecCtx<Mem=M>, dst: Reg, src: Addr) -> Cycle {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 225 - fn exec_ldd<M: Memory>(ctx: &mut ExecCtx<Mem=M>, dst: Reg, src: Addr) -> Cycle {
[INFO] [stdout] 225 + fn exec_ldd<M: Memory>(ctx: &mut dyn ExecCtx<Mem=M>, dst: Reg, src: Addr) -> Cycle {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/cpu/exec.rs:231:34
[INFO] [stdout]     |
[INFO] [stdout] 231 | fn exec_ldi<M: Memory>(ctx: &mut ExecCtx<Mem=M>, dst: Reg, val: u8) -> Cycle {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 231 - fn exec_ldi<M: Memory>(ctx: &mut ExecCtx<Mem=M>, dst: Reg, val: u8) -> Cycle {
[INFO] [stdout] 231 + fn exec_ldi<M: Memory>(ctx: &mut dyn ExecCtx<Mem=M>, dst: Reg, val: u8) -> Cycle {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/cpu/exec.rs:236:34
[INFO] [stdout]     |
[INFO] [stdout] 236 | fn exec_ldw<M: Memory>(ctx: &mut ExecCtx<Mem=M>, dst: AddrReg, addr: Addr) -> Cycle {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 236 - fn exec_ldw<M: Memory>(ctx: &mut ExecCtx<Mem=M>, dst: AddrReg, addr: Addr) -> Cycle {
[INFO] [stdout] 236 + fn exec_ldw<M: Memory>(ctx: &mut dyn ExecCtx<Mem=M>, dst: AddrReg, addr: Addr) -> Cycle {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/cpu/exec.rs:241:33
[INFO] [stdout]     |
[INFO] [stdout] 241 | fn exec_st<M: Memory>(ctx: &mut ExecCtx<Mem=M>, dst: AddrReg, src: Reg) -> Cycle {
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 241 - fn exec_st<M: Memory>(ctx: &mut ExecCtx<Mem=M>, dst: AddrReg, src: Reg) -> Cycle {
[INFO] [stdout] 241 + fn exec_st<M: Memory>(ctx: &mut dyn ExecCtx<Mem=M>, dst: AddrReg, src: Reg) -> Cycle {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/cpu/exec.rs:249:34
[INFO] [stdout]     |
[INFO] [stdout] 249 | fn exec_std<M: Memory>(ctx: &mut ExecCtx<Mem=M>, dst: Addr, src: Reg) -> Cycle {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 249 - fn exec_std<M: Memory>(ctx: &mut ExecCtx<Mem=M>, dst: Addr, src: Reg) -> Cycle {
[INFO] [stdout] 249 + fn exec_std<M: Memory>(ctx: &mut dyn ExecCtx<Mem=M>, dst: Addr, src: Reg) -> Cycle {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/cpu/exec.rs:255:35
[INFO] [stdout]     |
[INFO] [stdout] 255 | fn exec_ldsp<M: Memory>(ctx: &mut ExecCtx<Mem=M>, src: AddrReg) -> Cycle {
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 255 - fn exec_ldsp<M: Memory>(ctx: &mut ExecCtx<Mem=M>, src: AddrReg) -> Cycle {
[INFO] [stdout] 255 + fn exec_ldsp<M: Memory>(ctx: &mut dyn ExecCtx<Mem=M>, src: AddrReg) -> Cycle {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/cpu/exec.rs:262:35
[INFO] [stdout]     |
[INFO] [stdout] 262 | fn exec_push<M: Memory>(ctx: &mut ExecCtx<Mem=M>, src: Reg) -> Cycle {
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 262 - fn exec_push<M: Memory>(ctx: &mut ExecCtx<Mem=M>, src: Reg) -> Cycle {
[INFO] [stdout] 262 + fn exec_push<M: Memory>(ctx: &mut dyn ExecCtx<Mem=M>, src: Reg) -> Cycle {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/cpu/exec.rs:270:34
[INFO] [stdout]     |
[INFO] [stdout] 270 | fn exec_pop<M: Memory>(ctx: &mut ExecCtx<Mem=M>, dst: Reg) -> Cycle {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 270 - fn exec_pop<M: Memory>(ctx: &mut ExecCtx<Mem=M>, dst: Reg) -> Cycle {
[INFO] [stdout] 270 + fn exec_pop<M: Memory>(ctx: &mut dyn ExecCtx<Mem=M>, dst: Reg) -> Cycle {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/cpu/exec.rs:278:33
[INFO] [stdout]     |
[INFO] [stdout] 278 | fn exec_in<M: Memory>(ctx: &mut ExecCtx<Mem=M>, dst: Reg, port: IoPort) -> Cycle {
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 278 - fn exec_in<M: Memory>(ctx: &mut ExecCtx<Mem=M>, dst: Reg, port: IoPort) -> Cycle {
[INFO] [stdout] 278 + fn exec_in<M: Memory>(ctx: &mut dyn ExecCtx<Mem=M>, dst: Reg, port: IoPort) -> Cycle {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/cpu/exec.rs:285:34
[INFO] [stdout]     |
[INFO] [stdout] 285 | fn exec_out<M: Memory>(ctx: &mut ExecCtx<Mem=M>, port: IoPort, src: Reg) -> Cycle {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 285 - fn exec_out<M: Memory>(ctx: &mut ExecCtx<Mem=M>, port: IoPort, src: Reg) -> Cycle {
[INFO] [stdout] 285 + fn exec_out<M: Memory>(ctx: &mut dyn ExecCtx<Mem=M>, port: IoPort, src: Reg) -> Cycle {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/cpu/exec.rs:293:15
[INFO] [stdout]     |
[INFO] [stdout] 293 |     ctx: &mut ExecCtx<Mem=M>, offset: RelAddr, f: F, is_call: bool) -> Cycle
[INFO] [stdout]     |               ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 293 -     ctx: &mut ExecCtx<Mem=M>, offset: RelAddr, f: F, is_call: bool) -> Cycle
[INFO] [stdout] 293 +     ctx: &mut dyn ExecCtx<Mem=M>, offset: RelAddr, f: F, is_call: bool) -> Cycle
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/cpu/exec.rs:308:34
[INFO] [stdout]     |
[INFO] [stdout] 308 | fn exec_jmp<M: Memory>(ctx: &mut ExecCtx<Mem=M>, addr: Addr, is_call: bool) -> Cycle {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 308 - fn exec_jmp<M: Memory>(ctx: &mut ExecCtx<Mem=M>, addr: Addr, is_call: bool) -> Cycle {
[INFO] [stdout] 308 + fn exec_jmp<M: Memory>(ctx: &mut dyn ExecCtx<Mem=M>, addr: Addr, is_call: bool) -> Cycle {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/cpu/exec.rs:320:35
[INFO] [stdout]     |
[INFO] [stdout] 320 | fn exec_ijmp<M: Memory>(ctx: &mut ExecCtx<Mem=M>, src: AddrReg, is_call: bool) -> Cycle {
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 320 - fn exec_ijmp<M: Memory>(ctx: &mut ExecCtx<Mem=M>, src: AddrReg, is_call: bool) -> Cycle {
[INFO] [stdout] 320 + fn exec_ijmp<M: Memory>(ctx: &mut dyn ExecCtx<Mem=M>, src: AddrReg, is_call: bool) -> Cycle {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/cpu/exec.rs:325:34
[INFO] [stdout]     |
[INFO] [stdout] 325 | fn exec_ret<M: Memory>(ctx: &mut ExecCtx<Mem=M>, enable_int: bool) -> Cycle {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 325 - fn exec_ret<M: Memory>(ctx: &mut ExecCtx<Mem=M>, enable_int: bool) -> Cycle {
[INFO] [stdout] 325 + fn exec_ret<M: Memory>(ctx: &mut dyn ExecCtx<Mem=M>, enable_int: bool) -> Cycle {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/cpu/exec.rs:336:34
[INFO] [stdout]     |
[INFO] [stdout] 336 | fn exec_nop<M: Memory>(ctx: &mut ExecCtx<Mem=M>) -> Cycle {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 336 - fn exec_nop<M: Memory>(ctx: &mut ExecCtx<Mem=M>) -> Cycle {
[INFO] [stdout] 336 + fn exec_nop<M: Memory>(ctx: &mut dyn ExecCtx<Mem=M>) -> Cycle {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/cpu/exec.rs:342:38
[INFO] [stdout]     |
[INFO] [stdout] 342 | fn exec_set_int<M: Memory>(ctx: &mut ExecCtx<Mem=M>, enabled: bool) -> Cycle {
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 342 - fn exec_set_int<M: Memory>(ctx: &mut ExecCtx<Mem=M>, enabled: bool) -> Cycle {
[INFO] [stdout] 342 + fn exec_set_int<M: Memory>(ctx: &mut dyn ExecCtx<Mem=M>, enabled: bool) -> Cycle {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/mem/bank.rs:25:44
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn select_page(&self, addr: Addr) -> (&Memory, Addr) {
[INFO] [stdout]    |                                            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 25 -     fn select_page(&self, addr: Addr) -> (&Memory, Addr) {
[INFO] [stdout] 25 +     fn select_page(&self, addr: Addr) -> (&dyn Memory, Addr) {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/mem/bank.rs:32:56
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn select_page_mut(&mut self, addr: Addr) -> (&mut Memory, Addr) {
[INFO] [stdout]    |                                                        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 32 -     fn select_page_mut(&mut self, addr: Addr) -> (&mut Memory, Addr) {
[INFO] [stdout] 32 +     fn select_page_mut(&mut self, addr: Addr) -> (&mut dyn Memory, Addr) {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 33 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/bin/spasm/asm/lexer.rs:245:17
[INFO] [stdout]     |
[INFO] [stdout] 245 |             '1' ... '9' => {
[INFO] [stdout]     |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/bin/spasm/asm/lexer.rs:250:17
[INFO] [stdout]     |
[INFO] [stdout] 250 |             'a' ... 'z' | 'A' ... 'Z' | '_' => {
[INFO] [stdout]     |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/bin/spasm/asm/lexer.rs:250:31
[INFO] [stdout]     |
[INFO] [stdout] 250 |             'a' ... 'z' | 'A' ... 'Z' | '_' => {
[INFO] [stdout]     |                               ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.52s
[INFO] running `Command { std: "docker" "inspect" "339c8b1c2fdbd06046fef5ddb96721926737ab772c756ee7b9af304ad237541d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "339c8b1c2fdbd06046fef5ddb96721926737ab772c756ee7b9af304ad237541d", kill_on_drop: false }`
[INFO] [stdout] 339c8b1c2fdbd06046fef5ddb96721926737ab772c756ee7b9af304ad237541d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9c53b72c07149a84aff4ec7548767d6482ce3bbf9c5f5b5f03e38d2ae9497ee0
[INFO] running `Command { std: "docker" "start" "-a" "9c53b72c07149a84aff4ec7548767d6482ce3bbf9c5f5b5f03e38d2ae9497ee0", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.40
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking ucd-util v0.1.1
[INFO] [stderr]    Compiling regex v0.2.10
[INFO] [stderr]     Checking lazy_static v1.0.0
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]     Checking serde v1.0.37
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking byteorder v1.2.2
[INFO] [stderr]    Compiling proc-macro2 v0.3.5
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking regex-syntax v0.5.3
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking time v0.1.39
[INFO] [stderr]    Compiling quote v0.5.1
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]    Compiling syn v0.13.1
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]    Compiling serde_derive_internals v0.23.0
[INFO] [stderr]    Compiling serde_derive v1.0.37
[INFO] [stderr]     Checking docopt v0.8.3
[INFO] [stderr]  Documenting simproc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.22s
[INFO] running `Command { std: "docker" "inspect" "9c53b72c07149a84aff4ec7548767d6482ce3bbf9c5f5b5f03e38d2ae9497ee0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c53b72c07149a84aff4ec7548767d6482ce3bbf9c5f5b5f03e38d2ae9497ee0", kill_on_drop: false }`
[INFO] [stdout] 9c53b72c07149a84aff4ec7548767d6482ce3bbf9c5f5b5f03e38d2ae9497ee0