[INFO] cloning repository KeenS/webml
[INFO] running `"git" "clone" "--bare" "git://github.com/KeenS/webml.git" "work/cache/sources/gh/KeenS/webml"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/KeenS/webml'...
[INFO] running `"git" "clone" "work/cache/sources/gh/KeenS/webml" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/KeenS/webml"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/KeenS/webml'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/KeenS/webml" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/KeenS/webml"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/KeenS/webml'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 40c4ed693bec76cabfa699f1f8f7e9e22c84cc09
[INFO] sha for GitHub repo KeenS/webml: 40c4ed693bec76cabfa699f1f8f7e9e22c84cc09
[INFO] validating manifest of KeenS/webml on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of KeenS/webml on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing KeenS/webml
[INFO] finished frobbing KeenS/webml
[INFO] frobbed toml for KeenS/webml written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/KeenS/webml/Cargo.toml
[INFO] started frobbing KeenS/webml
[INFO] finished frobbing KeenS/webml
[INFO] frobbed toml for KeenS/webml written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/KeenS/webml/Cargo.toml
[INFO] crate KeenS/webml already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Updating git repository `https://github.com/KeenS/WebAssembler-rs`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking KeenS/webml against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-4/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/KeenS/webml:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 6627e3b6cf42c33629bc201f2cac10c4f18b8c72c2d87a1999c18ad78bc9d6f9
[INFO] running `"docker" "start" "-a" "6627e3b6cf42c33629bc201f2cac10c4f18b8c72c2d87a1999c18ad78bc9d6f9"`
[INFO] [stderr]     Checking web-assembler v0.1.1 (https://github.com/KeenS/WebAssembler-rs#caed3fd1)
[INFO] [stderr]     Checking webml v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> <::nom::branch::alt_complete macros>:15:53
[INFO] [stderr]    |
[INFO] [stderr] 11 | $ ( $ rest : tt ) + ) => (
[INFO] [stderr]    |                   - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 15 | i , $ gen ( o ) ) , _ => alt_complete ! ( $ i , $ ( $ rest ) * ) , } } ) ; (
[INFO] [stderr]    |                                                     ^^^^^^   - conflicting repetition
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(meta_variable_misuse)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> <::nom::branch::alt macros>:16:26
[INFO] [stderr]    |
[INFO] [stderr] 10 | $ gen : expr } | $ ( $ rest : tt ) + ) => (
[INFO] [stderr]    |                                    - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 16 | alt ! ( __impl $ i , $ ( $ rest ) * ) } } } ) ; (
[INFO] [stderr]    |                          ^^^^^^   - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/util.rs:4:26
[INFO] [stderr]   |
[INFO] [stderr] 4 |     fn pp(&self, w: &mut io::Write, indent: usize) -> io::Result<()>;
[INFO] [stderr]   |                          ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/ast/pp.rs:6:26
[INFO] [stderr]   |
[INFO] [stderr] 6 |     fn pp(&self, w: &mut io::Write, indent: usize) -> io::Result<()> {
[INFO] [stderr]   |                          ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ast/pp.rs:16:26
[INFO] [stderr]    |
[INFO] [stderr] 16 |     fn pp(&self, w: &mut io::Write, indent: usize) -> io::Result<()> {
[INFO] [stderr]    |                          ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ast/pp.rs:33:26
[INFO] [stderr]    |
[INFO] [stderr] 33 |     fn pp(&self, w: &mut io::Write, indent: usize) -> io::Result<()> {
[INFO] [stderr]    |                          ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ast/pp.rs:134:26
[INFO] [stderr]     |
[INFO] [stderr] 134 |     fn pp(&self, w: &mut io::Write, indent: usize) -> io::Result<()> {
[INFO] [stderr]     |                          ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ast/pp.rs:155:26
[INFO] [stderr]     |
[INFO] [stderr] 155 |     fn pp(&self, w: &mut io::Write, indent: usize) -> io::Result<()> {
[INFO] [stderr]     |                          ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/backend/pp.rs:6:26
[INFO] [stderr]   |
[INFO] [stderr] 6 |     fn pp(&self, w: &mut io::Write, _: usize) -> io::Result<()> {
[INFO] [stderr]   |                          ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/hir/pp.rs:7:26
[INFO] [stderr]   |
[INFO] [stderr] 7 |     fn pp(&self, w: &mut io::Write, indent: usize) -> io::Result<()> {
[INFO] [stderr]   |                          ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/hir/pp.rs:17:26
[INFO] [stderr]    |
[INFO] [stderr] 17 |     fn pp(&self, w: &mut io::Write, indent: usize) -> io::Result<()> {
[INFO] [stderr]    |                          ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/hir/pp.rs:30:26
[INFO] [stderr]    |
[INFO] [stderr] 30 |     fn pp(&self, w: &mut io::Write, indent: usize) -> io::Result<()> {
[INFO] [stderr]    |                          ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/hir/pp.rs:155:26
[INFO] [stderr]     |
[INFO] [stderr] 155 |     fn pp(&self, w: &mut io::Write, indent: usize) -> io::Result<()> {
[INFO] [stderr]     |                          ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/hir/pp.rs:175:26
[INFO] [stderr]     |
[INFO] [stderr] 175 |     fn pp(&self, w: &mut io::Write, indent: usize) -> io::Result<()> {
[INFO] [stderr]     |                          ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lir/pp.rs:6:26
[INFO] [stderr]   |
[INFO] [stderr] 6 |     fn pp(&self, w: &mut io::Write, indent: usize) -> io::Result<()> {
[INFO] [stderr]   |                          ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lir/pp.rs:15:26
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn pp(&self, w: &mut io::Write, indent: usize) -> io::Result<()> {
[INFO] [stderr]    |                          ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lir/pp.rs:41:26
[INFO] [stderr]    |
[INFO] [stderr] 41 |     fn pp(&self, w: &mut io::Write, _indent: usize) -> io::Result<()> {
[INFO] [stderr]    |                          ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lir/pp.rs:47:26
[INFO] [stderr]    |
[INFO] [stderr] 47 |     fn pp(&self, w: &mut io::Write, indent: usize) -> io::Result<()> {
[INFO] [stderr]    |                          ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lir/pp.rs:53:26
[INFO] [stderr]    |
[INFO] [stderr] 53 |     fn pp(&self, w: &mut io::Write, _indent: usize) -> io::Result<()> {
[INFO] [stderr]    |                          ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lir/pp.rs:59:26
[INFO] [stderr]    |
[INFO] [stderr] 59 |     fn pp(&self, w: &mut io::Write, indent: usize) -> io::Result<()> {
[INFO] [stderr]    |                          ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lir/pp.rs:69:26
[INFO] [stderr]    |
[INFO] [stderr] 69 |     fn pp(&self, w: &mut io::Write, _indent: usize) -> io::Result<()> {
[INFO] [stderr]    |                          ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lir/pp.rs:85:26
[INFO] [stderr]    |
[INFO] [stderr] 85 |     fn pp(&self, w: &mut io::Write, indent: usize) -> io::Result<()> {
[INFO] [stderr]    |                          ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lir/pp.rs:98:26
[INFO] [stderr]    |
[INFO] [stderr] 98 |     fn pp(&self, w: &mut io::Write, indent: usize) -> io::Result<()> {
[INFO] [stderr]    |                          ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/mir/pp.rs:7:26
[INFO] [stderr]   |
[INFO] [stderr] 7 |     fn pp(&self, w: &mut io::Write, indent: usize) -> io::Result<()> {
[INFO] [stderr]   |                          ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/mir/pp.rs:16:26
[INFO] [stderr]    |
[INFO] [stderr] 16 |     fn pp(&self, w: &mut io::Write, indent: usize) -> io::Result<()> {
[INFO] [stderr]    |                          ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/mir/pp.rs:42:26
[INFO] [stderr]    |
[INFO] [stderr] 42 |     fn pp(&self, w: &mut io::Write, indent: usize) -> io::Result<()> {
[INFO] [stderr]    |                          ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/mir/pp.rs:94:26
[INFO] [stderr]    |
[INFO] [stderr] 94 |     fn pp(&self, w: &mut io::Write, indent: usize) -> io::Result<()> {
[INFO] [stderr]    |                          ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/mir/pp.rs:119:13
[INFO] [stderr]     |
[INFO] [stderr] 119 |     w: &mut io::Write,
[INFO] [stderr]     |             ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/mir/pp.rs:140:26
[INFO] [stderr]     |
[INFO] [stderr] 140 |     fn pp(&self, w: &mut io::Write, indent: usize) -> io::Result<()> {
[INFO] [stderr]     |                          ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/prim.rs:14:26
[INFO] [stderr]    |
[INFO] [stderr] 14 |     fn pp(&self, w: &mut io::Write, _indent: usize) -> io::Result<()> {
[INFO] [stderr]    |                          ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/prim.rs:28:26
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn pp(&self, w: &mut io::Write, _indent: usize) -> io::Result<()> {
[INFO] [stderr]    |                          ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/prim.rs:51:26
[INFO] [stderr]    |
[INFO] [stderr] 51 |     fn pp(&self, w: &mut io::Write, _indent: usize) -> io::Result<()> {
[INFO] [stderr]    |                          ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> <::nom::branch::alt_complete macros>:15:53
[INFO] [stderr]    |
[INFO] [stderr] 11 | $ ( $ rest : tt ) + ) => (
[INFO] [stderr]    |                   - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 15 | i , $ gen ( o ) ) , _ => alt_complete ! ( $ i , $ ( $ rest ) * ) , } } ) ; (
[INFO] [stderr]    |                                                     ^^^^^^   - conflicting repetition
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(meta_variable_misuse)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> <::nom::branch::alt macros>:16:26
[INFO] [stderr]    |
[INFO] [stderr] 10 | $ gen : expr } | $ ( $ rest : tt ) + ) => (
[INFO] [stderr]    |                                    - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 16 | alt ! ( __impl $ i , $ ( $ rest ) * ) } } } ) ; (
[INFO] [stderr]    |                          ^^^^^^   - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/util.rs:4:26
[INFO] [stderr]   |
[INFO] [stderr] 4 |     fn pp(&self, w: &mut io::Write, indent: usize) -> io::Result<()>;
[INFO] [stderr]   |                          ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/ast/pp.rs:6:26
[INFO] [stderr]   |
[INFO] [stderr] 6 |     fn pp(&self, w: &mut io::Write, indent: usize) -> io::Result<()> {
[INFO] [stderr]   |                          ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ast/pp.rs:16:26
[INFO] [stderr]    |
[INFO] [stderr] 16 |     fn pp(&self, w: &mut io::Write, indent: usize) -> io::Result<()> {
[INFO] [stderr]    |                          ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ast/pp.rs:33:26
[INFO] [stderr]    |
[INFO] [stderr] 33 |     fn pp(&self, w: &mut io::Write, indent: usize) -> io::Result<()> {
[INFO] [stderr]    |                          ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ast/pp.rs:134:26
[INFO] [stderr]     |
[INFO] [stderr] 134 |     fn pp(&self, w: &mut io::Write, indent: usize) -> io::Result<()> {
[INFO] [stderr]     |                          ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ast/pp.rs:155:26
[INFO] [stderr]     |
[INFO] [stderr] 155 |     fn pp(&self, w: &mut io::Write, indent: usize) -> io::Result<()> {
[INFO] [stderr]     |                          ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/backend/pp.rs:6:26
[INFO] [stderr]   |
[INFO] [stderr] 6 |     fn pp(&self, w: &mut io::Write, _: usize) -> io::Result<()> {
[INFO] [stderr]   |                          ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/hir/pp.rs:7:26
[INFO] [stderr]   |
[INFO] [stderr] 7 |     fn pp(&self, w: &mut io::Write, indent: usize) -> io::Result<()> {
[INFO] [stderr]   |                          ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/hir/pp.rs:17:26
[INFO] [stderr]    |
[INFO] [stderr] 17 |     fn pp(&self, w: &mut io::Write, indent: usize) -> io::Result<()> {
[INFO] [stderr]    |                          ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/hir/pp.rs:30:26
[INFO] [stderr]    |
[INFO] [stderr] 30 |     fn pp(&self, w: &mut io::Write, indent: usize) -> io::Result<()> {
[INFO] [stderr]    |                          ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/hir/pp.rs:155:26
[INFO] [stderr]     |
[INFO] [stderr] 155 |     fn pp(&self, w: &mut io::Write, indent: usize) -> io::Result<()> {
[INFO] [stderr]     |                          ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/hir/pp.rs:175:26
[INFO] [stderr]     |
[INFO] [stderr] 175 |     fn pp(&self, w: &mut io::Write, indent: usize) -> io::Result<()> {
[INFO] [stderr]     |                          ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lir/pp.rs:6:26
[INFO] [stderr]   |
[INFO] [stderr] 6 |     fn pp(&self, w: &mut io::Write, indent: usize) -> io::Result<()> {
[INFO] [stderr]   |                          ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lir/pp.rs:15:26
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn pp(&self, w: &mut io::Write, indent: usize) -> io::Result<()> {
[INFO] [stderr]    |                          ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lir/pp.rs:41:26
[INFO] [stderr]    |
[INFO] [stderr] 41 |     fn pp(&self, w: &mut io::Write, _indent: usize) -> io::Result<()> {
[INFO] [stderr]    |                          ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lir/pp.rs:47:26
[INFO] [stderr]    |
[INFO] [stderr] 47 |     fn pp(&self, w: &mut io::Write, indent: usize) -> io::Result<()> {
[INFO] [stderr]    |                          ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lir/pp.rs:53:26
[INFO] [stderr]    |
[INFO] [stderr] 53 |     fn pp(&self, w: &mut io::Write, _indent: usize) -> io::Result<()> {
[INFO] [stderr]    |                          ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lir/pp.rs:59:26
[INFO] [stderr]    |
[INFO] [stderr] 59 |     fn pp(&self, w: &mut io::Write, indent: usize) -> io::Result<()> {
[INFO] [stderr]    |                          ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lir/pp.rs:69:26
[INFO] [stderr]    |
[INFO] [stderr] 69 |     fn pp(&self, w: &mut io::Write, _indent: usize) -> io::Result<()> {
[INFO] [stderr]    |                          ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lir/pp.rs:85:26
[INFO] [stderr]    |
[INFO] [stderr] 85 |     fn pp(&self, w: &mut io::Write, indent: usize) -> io::Result<()> {
[INFO] [stderr]    |                          ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lir/pp.rs:98:26
[INFO] [stderr]    |
[INFO] [stderr] 98 |     fn pp(&self, w: &mut io::Write, indent: usize) -> io::Result<()> {
[INFO] [stderr]    |                          ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/mir/pp.rs:7:26
[INFO] [stderr]   |
[INFO] [stderr] 7 |     fn pp(&self, w: &mut io::Write, indent: usize) -> io::Result<()> {
[INFO] [stderr]   |                          ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/mir/pp.rs:16:26
[INFO] [stderr]    |
[INFO] [stderr] 16 |     fn pp(&self, w: &mut io::Write, indent: usize) -> io::Result<()> {
[INFO] [stderr]    |                          ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/mir/pp.rs:42:26
[INFO] [stderr]    |
[INFO] [stderr] 42 |     fn pp(&self, w: &mut io::Write, indent: usize) -> io::Result<()> {
[INFO] [stderr]    |                          ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/mir/pp.rs:94:26
[INFO] [stderr]    |
[INFO] [stderr] 94 |     fn pp(&self, w: &mut io::Write, indent: usize) -> io::Result<()> {
[INFO] [stderr]    |                          ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/mir/pp.rs:119:13
[INFO] [stderr]     |
[INFO] [stderr] 119 |     w: &mut io::Write,
[INFO] [stderr]     |             ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/mir/pp.rs:140:26
[INFO] [stderr]     |
[INFO] [stderr] 140 |     fn pp(&self, w: &mut io::Write, indent: usize) -> io::Result<()> {
[INFO] [stderr]     |                          ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/prim.rs:14:26
[INFO] [stderr]    |
[INFO] [stderr] 14 |     fn pp(&self, w: &mut io::Write, _indent: usize) -> io::Result<()> {
[INFO] [stderr]    |                          ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/prim.rs:28:26
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn pp(&self, w: &mut io::Write, _indent: usize) -> io::Result<()> {
[INFO] [stderr]    |                          ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/prim.rs:51:26
[INFO] [stderr]    |
[INFO] [stderr] 51 |     fn pp(&self, w: &mut io::Write, _indent: usize) -> io::Result<()> {
[INFO] [stderr]    |                          ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `webml`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `webml`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "6627e3b6cf42c33629bc201f2cac10c4f18b8c72c2d87a1999c18ad78bc9d6f9"`
[INFO] running `"docker" "rm" "-f" "6627e3b6cf42c33629bc201f2cac10c4f18b8c72c2d87a1999c18ad78bc9d6f9"`
[INFO] [stdout] 6627e3b6cf42c33629bc201f2cac10c4f18b8c72c2d87a1999c18ad78bc9d6f9