[INFO] cloning repository https://github.com/KeenS/webml
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KeenS/webml" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKeenS%2Fwebml"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKeenS%2Fwebml'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 40c4ed693bec76cabfa699f1f8f7e9e22c84cc09
[INFO] checking KeenS/webml against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKeenS%2Fwebml" "/workspace/builds/worker-11/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/KeenS/webml on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/KeenS/webml
[INFO] finished tweaking git repo https://github.com/KeenS/webml
[INFO] tweaked toml for git repo https://github.com/KeenS/webml written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/KeenS/webml already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/KeenS/WebAssembler-rs`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 29e546a7f0f19da16c3a03fa291de24f9d6368e0cb6aee7fb84f6d1ad4b6f105
[INFO] running `"docker" "start" "-a" "29e546a7f0f19da16c3a03fa291de24f9d6368e0cb6aee7fb84f6d1ad4b6f105"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking web-assembler v0.1.1 (https://github.com/KeenS/WebAssembler-rs#caed3fd1)
[INFO] [stderr]     Checking webml v0.1.0 (/opt/rustwide/workdir)
[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] 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] warning: unused variable: `ty`
[INFO] [stderr]    --> src/lir/mir2lir.rs:242:61
[INFO] [stderr]     |
[INFO] [stderr] 242 | ...                   let size: u32 = tys.iter().map(|ty| 8).sum();
[INFO] [stderr]     |                                                       ^^ help: consider prefixing with an underscore: `_ty`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/hir/flat_let.rs:35:21
[INFO] [stderr]    |
[INFO] [stderr] 35 |             let (a, mut binds) = take_binds(*arg);
[INFO] [stderr]    |                     ----^^^^^
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ty`
[INFO] [stderr]    --> src/lir/mir2lir.rs:242:61
[INFO] [stderr]     |
[INFO] [stderr] 242 | ...                   let size: u32 = tys.iter().map(|ty| 8).sum();
[INFO] [stderr]     |                                                       ^^ help: consider prefixing with an underscore: `_ty`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/hir/unnest_func.rs:272:21
[INFO] [stderr]     |
[INFO] [stderr] 272 |                 let mut scope = self;
[INFO] [stderr]     |                     ----^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/hir/unnest_func.rs:302:21
[INFO] [stderr]     |
[INFO] [stderr] 302 |                 let mut scope = self;
[INFO] [stderr]     |                     ----^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/hir/flat_let.rs:35:21
[INFO] [stderr]    |
[INFO] [stderr] 35 |             let (a, mut binds) = take_binds(*arg);
[INFO] [stderr]    |                     ----^^^^^
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/hir/unnest_func.rs:272:21
[INFO] [stderr]     |
[INFO] [stderr] 272 |                 let mut scope = self;
[INFO] [stderr]     |                     ----^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/hir/unnest_func.rs:302:21
[INFO] [stderr]     |
[INFO] [stderr] 302 |                 let mut scope = self;
[INFO] [stderr]     |                     ----^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `tys_to_ptrbits`
[INFO] [stderr]   --> src/backend/wasm.rs:35:1
[INFO] [stderr]    |
[INFO] [stderr] 35 | fn tys_to_ptrbits(tys: &[lir::LTy]) -> u32 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `tys_to_ptrbits`
[INFO] [stderr]   --> src/backend/wasm.rs:35:1
[INFO] [stderr]    |
[INFO] [stderr] 35 | fn tys_to_ptrbits(tys: &[lir::LTy]) -> u32 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.04s
[INFO] running `"docker" "inspect" "29e546a7f0f19da16c3a03fa291de24f9d6368e0cb6aee7fb84f6d1ad4b6f105"`
[INFO] running `"docker" "rm" "-f" "29e546a7f0f19da16c3a03fa291de24f9d6368e0cb6aee7fb84f6d1ad4b6f105"`
[INFO] [stdout] 29e546a7f0f19da16c3a03fa291de24f9d6368e0cb6aee7fb84f6d1ad4b6f105