[INFO] updating cached repository reachkrr/serverless-wasm
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/reachkrr/serverless-wasm
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/reachkrr/serverless-wasm" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/reachkrr/serverless-wasm"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/reachkrr/serverless-wasm'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/reachkrr/serverless-wasm" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/reachkrr/serverless-wasm"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/reachkrr/serverless-wasm'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ab6e65c56d916085dc76d53b3e703a085e735228
[INFO] sha for GitHub repo reachkrr/serverless-wasm: ab6e65c56d916085dc76d53b3e703a085e735228
[INFO] validating manifest of reachkrr/serverless-wasm on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of reachkrr/serverless-wasm on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing reachkrr/serverless-wasm
[INFO] finished frobbing reachkrr/serverless-wasm
[INFO] frobbed toml for reachkrr/serverless-wasm written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/reachkrr/serverless-wasm/Cargo.toml
[INFO] started frobbing reachkrr/serverless-wasm
[INFO] finished frobbing reachkrr/serverless-wasm
[INFO] frobbed toml for reachkrr/serverless-wasm written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/reachkrr/serverless-wasm/Cargo.toml
[INFO] crate reachkrr/serverless-wasm already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking reachkrr/serverless-wasm against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-0/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/reachkrr/serverless-wasm:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d4a4c86cc724b3872a2115e6db5f96103491db6371b728de5c90a673a423b6dc
[INFO] running `"docker" "start" "-a" "d4a4c86cc724b3872a2115e6db5f96103491db6371b728de5c90a673a423b6dc"`
[INFO] [stderr]    Compiling cretonne-codegen v0.8.0
[INFO] [stderr]     Checking cretonne-entity v0.8.0
[INFO] [stderr]     Checking serde v1.0.42
[INFO] [stderr]     Checking wasmparser v0.16.1
[INFO] [stderr]    Compiling raw-cpuid v3.1.0
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking filetime v0.1.15
[INFO] [stderr]     Checking base64 v0.7.0
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]     Checking parking_lot_core v0.2.13
[INFO] [stderr]     Checking buf_redux v0.6.3
[INFO] [stderr]    Compiling brotli-sys v0.2.1
[INFO] [stderr]     Checking twoway v0.1.8
[INFO] [stderr]     Checking backtrace-sys v0.1.21
[INFO] [stderr]     Checking uuid v0.1.18
[INFO] [stderr]    Compiling syn v0.13.1
[INFO] [stderr]     Checking gzip-header v0.1.2
[INFO] [stderr]     Checking parking_lot v0.5.4
[INFO] [stderr]     Checking backtrace v0.3.8
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[INFO] [stderr]     Checking deflate v0.7.18
[INFO] [stderr]     Checking failure v0.1.1
[INFO] [stderr]     Checking parity-wasm v0.27.6
[INFO] [stderr]     Checking region v0.2.0
[INFO] [stderr]    Compiling mime_guess v1.8.4
[INFO] [stderr]     Checking tiny_http v0.5.9
[INFO] [stderr]    Compiling serde_derive_internals v0.23.1
[INFO] [stderr]     Checking brotli2 v0.2.2
[INFO] [stderr]     Checking multipart v0.13.6
[INFO] [stderr]     Checking wasmi v0.1.3 (https://github.com/geal/wasmi#f107c644)
[INFO] [stderr]    Compiling serde_derive v1.0.42
[INFO] [stderr]     Checking serde_json v1.0.16
[INFO] [stderr]     Checking toml v0.4.6
[INFO] [stderr]     Checking cretonne-frontend v0.8.0
[INFO] [stderr]     Checking cretonne-native v0.8.0
[INFO] [stderr]     Checking cretonne-module v0.8.0
[INFO] [stderr]     Checking cretonne-simplejit v0.8.0
[INFO] [stderr]     Checking cretonne v0.8.0
[INFO] [stderr]     Checking cretonne-wasm v0.8.0
[INFO] [stderr]     Checking rouille v2.1.0
[INFO] [stderr]     Checking serverless-wasm v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `Read`
[INFO] [stderr]  --> src/async/host.rs:5:15
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::io::{Read, Write};
[INFO] [stderr]   |               ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::iter::repeat`
[INFO] [stderr]  --> src/async/host.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::iter::repeat;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Poll`
[INFO] [stderr]  --> src/async/session.rs:3:11
[INFO] [stderr]   |
[INFO] [stderr] 3 | use mio::{Poll, Ready};
[INFO] [stderr]   |           ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `slab::Slab`
[INFO] [stderr]   --> src/async/session.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use slab::Slab;
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `DummyEnvironment`
[INFO] [stderr]  --> src/jit/mod.rs:3:39
[INFO] [stderr]   |
[INFO] [stderr] 3 | use cretonne_wasm::{translate_module, DummyEnvironment};
[INFO] [stderr]   |                                       ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Read`
[INFO] [stderr]  --> src/async/host.rs:5:15
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::io::{Read, Write};
[INFO] [stderr]   |               ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::iter::repeat`
[INFO] [stderr]  --> src/async/host.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::iter::repeat;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Poll`
[INFO] [stderr]  --> src/async/session.rs:3:11
[INFO] [stderr]   |
[INFO] [stderr] 3 | use mio::{Poll, Ready};
[INFO] [stderr]   |           ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `slab::Slab`
[INFO] [stderr]   --> src/async/session.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use slab::Slab;
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `DummyEnvironment`
[INFO] [stderr]  --> src/jit/mod.rs:3:39
[INFO] [stderr]   |
[INFO] [stderr] 3 | use cretonne_wasm::{translate_module, DummyEnvironment};
[INFO] [stderr]   |                                       ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Write`
[INFO] [stderr]  --> src/async/host.rs:5:21
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::io::{Read, Write};
[INFO] [stderr]   |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/async/mod.rs:83:9
[INFO] [stderr]    |
[INFO] [stderr] 83 |         _ => unreachable!(),
[INFO] [stderr]    |         ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `addr`
[INFO] [stderr]   --> src/async/mod.rs:41:28
[INFO] [stderr]    |
[INFO] [stderr] 41 |           if let Ok((sock, addr)) = server.accept() {
[INFO] [stderr]    |                            ^^^^ help: consider prefixing with an underscore: `_addr`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t`
[INFO] [stderr]   --> src/async/mod.rs:97:15
[INFO] [stderr]    |
[INFO] [stderr] 97 |           for t in tokens.iter() {
[INFO] [stderr]    |               ^ help: consider prefixing with an underscore: `_t`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `response` is never read
[INFO] [stderr]   --> src/sync/mod.rs:27:15
[INFO] [stderr]    |
[INFO] [stderr] 27 |       let mut response = env.prepared_response.clone();
[INFO] [stderr]    |               ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `headers`
[INFO] [stderr]   --> src/sync/mod.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |         headers,
[INFO] [stderr]    |         ^^^^^^^ help: try ignoring the field: `headers: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `table_index`
[INFO] [stderr]    --> src/jit/env.rs:137:7
[INFO] [stderr]     |
[INFO] [stderr] 137 |       table_index: TableIndex,
[INFO] [stderr]     |       ^^^^^^^^^^^ help: consider prefixing with an underscore: `_table_index`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `base`
[INFO] [stderr]    --> src/jit/env.rs:138:7
[INFO] [stderr]     |
[INFO] [stderr] 138 |       base: Option<GlobalIndex>,
[INFO] [stderr]     |       ^^^^ help: consider prefixing with an underscore: `_base`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `offset`
[INFO] [stderr]    --> src/jit/env.rs:139:7
[INFO] [stderr]     |
[INFO] [stderr] 139 |       offset: usize,
[INFO] [stderr]     |       ^^^^^^ help: consider prefixing with an underscore: `_offset`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `elements`
[INFO] [stderr]    --> src/jit/env.rs:140:7
[INFO] [stderr]     |
[INFO] [stderr] 140 |       elements: Vec<FunctionIndex>
[INFO] [stderr]     |       ^^^^^^^^ help: consider prefixing with an underscore: `_elements`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `table_index`
[INFO] [stderr]    --> src/jit/env.rs:175:7
[INFO] [stderr]     |
[INFO] [stderr] 175 |       table_index: TableIndex,
[INFO] [stderr]     |       ^^^^^^^^^^^ help: consider prefixing with an underscore: `_table_index`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]    --> src/jit/env.rs:176:7
[INFO] [stderr]     |
[INFO] [stderr] 176 |       name: &'data str
[INFO] [stderr]     |       ^^^^ help: consider prefixing with an underscore: `_name`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `memory_index`
[INFO] [stderr]    --> src/jit/env.rs:180:7
[INFO] [stderr]     |
[INFO] [stderr] 180 |       memory_index: MemoryIndex,
[INFO] [stderr]     |       ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_memory_index`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]    --> src/jit/env.rs:181:7
[INFO] [stderr]     |
[INFO] [stderr] 181 |       name: &'data str
[INFO] [stderr]     |       ^^^^ help: consider prefixing with an underscore: `_name`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `global_index`
[INFO] [stderr]    --> src/jit/env.rs:185:7
[INFO] [stderr]     |
[INFO] [stderr] 185 |       global_index: GlobalIndex,
[INFO] [stderr]     |       ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_global_index`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]    --> src/jit/env.rs:186:7
[INFO] [stderr]     |
[INFO] [stderr] 186 |       name: &'data str
[INFO] [stderr]     |       ^^^^ help: consider prefixing with an underscore: `_name`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/async/mod.rs:22:7
[INFO] [stderr]    |
[INFO] [stderr] 22 |   let mut poll = Poll::new().unwrap();
[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 import: `Write`
[INFO] [stderr]  --> src/async/host.rs:5:21
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::io::{Read, Write};
[INFO] [stderr]   |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/async/mod.rs:83:9
[INFO] [stderr]    |
[INFO] [stderr] 83 |         _ => unreachable!(),
[INFO] [stderr]    |         ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `addr`
[INFO] [stderr]   --> src/async/mod.rs:41:28
[INFO] [stderr]    |
[INFO] [stderr] 41 |           if let Ok((sock, addr)) = server.accept() {
[INFO] [stderr]    |                            ^^^^ help: consider prefixing with an underscore: `_addr`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t`
[INFO] [stderr]   --> src/async/mod.rs:97:15
[INFO] [stderr]    |
[INFO] [stderr] 97 |           for t in tokens.iter() {
[INFO] [stderr]    |               ^ help: consider prefixing with an underscore: `_t`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `response` is never read
[INFO] [stderr]   --> src/sync/mod.rs:27:15
[INFO] [stderr]    |
[INFO] [stderr] 27 |       let mut response = env.prepared_response.clone();
[INFO] [stderr]    |               ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `headers`
[INFO] [stderr]   --> src/sync/mod.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |         headers,
[INFO] [stderr]    |         ^^^^^^^ help: try ignoring the field: `headers: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `table_index`
[INFO] [stderr]    --> src/jit/env.rs:137:7
[INFO] [stderr]     |
[INFO] [stderr] 137 |       table_index: TableIndex,
[INFO] [stderr]     |       ^^^^^^^^^^^ help: consider prefixing with an underscore: `_table_index`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `base`
[INFO] [stderr]    --> src/jit/env.rs:138:7
[INFO] [stderr]     |
[INFO] [stderr] 138 |       base: Option<GlobalIndex>,
[INFO] [stderr]     |       ^^^^ help: consider prefixing with an underscore: `_base`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `offset`
[INFO] [stderr]    --> src/jit/env.rs:139:7
[INFO] [stderr]     |
[INFO] [stderr] 139 |       offset: usize,
[INFO] [stderr]     |       ^^^^^^ help: consider prefixing with an underscore: `_offset`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `elements`
[INFO] [stderr]    --> src/jit/env.rs:140:7
[INFO] [stderr]     |
[INFO] [stderr] 140 |       elements: Vec<FunctionIndex>
[INFO] [stderr]     |       ^^^^^^^^ help: consider prefixing with an underscore: `_elements`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `table_index`
[INFO] [stderr]    --> src/jit/env.rs:175:7
[INFO] [stderr]     |
[INFO] [stderr] 175 |       table_index: TableIndex,
[INFO] [stderr]     |       ^^^^^^^^^^^ help: consider prefixing with an underscore: `_table_index`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]    --> src/jit/env.rs:176:7
[INFO] [stderr]     |
[INFO] [stderr] 176 |       name: &'data str
[INFO] [stderr]     |       ^^^^ help: consider prefixing with an underscore: `_name`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `memory_index`
[INFO] [stderr]    --> src/jit/env.rs:180:7
[INFO] [stderr]     |
[INFO] [stderr] 180 |       memory_index: MemoryIndex,
[INFO] [stderr]     |       ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_memory_index`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]    --> src/jit/env.rs:181:7
[INFO] [stderr]     |
[INFO] [stderr] 181 |       name: &'data str
[INFO] [stderr]     |       ^^^^ help: consider prefixing with an underscore: `_name`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `global_index`
[INFO] [stderr]    --> src/jit/env.rs:185:7
[INFO] [stderr]     |
[INFO] [stderr] 185 |       global_index: GlobalIndex,
[INFO] [stderr]     |       ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_global_index`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]    --> src/jit/env.rs:186:7
[INFO] [stderr]     |
[INFO] [stderr] 186 |       name: &'data str
[INFO] [stderr]     |       ^^^^ help: consider prefixing with an underscore: `_name`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/async/mod.rs:22:7
[INFO] [stderr]    |
[INFO] [stderr] 22 |   let mut poll = Poll::new().unwrap();
[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: variant is never constructed: `Done`
[INFO] [stderr]   --> src/async/session.rs:49:3
[INFO] [stderr]    |
[INFO] [stderr] 49 |   Done,
[INFO] [stderr]    |   ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/sync/host.rs:37:3
[INFO] [stderr]    |
[INFO] [stderr] 37 |   pub fn new() -> PreparedResponse {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `instance`
[INFO] [stderr]   --> src/sync/host.rs:48:3
[INFO] [stderr]    |
[INFO] [stderr] 48 |   instance: Option<ModuleRef>,
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/sync/host.rs:55:3
[INFO] [stderr]    |
[INFO] [stderr] 55 |   pub fn new() -> State {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `server`
[INFO] [stderr]   --> src/sync/mod.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub fn server(config: Config) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/jit/env.rs:42:3
[INFO] [stderr]    |
[INFO] [stderr] 42 |   pub fn new() -> ModuleInfo {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Env`
[INFO] [stderr]   --> src/jit/env.rs:57:1
[INFO] [stderr]    |
[INFO] [stderr] 57 | pub struct Env {
[INFO] [stderr]    | ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/jit/env.rs:63:3
[INFO] [stderr]    |
[INFO] [stderr] 63 |   pub fn new() -> Env {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `server`
[INFO] [stderr]  --> src/jit/mod.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub fn server(config: Config) {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/async/mod.rs:48:17
[INFO] [stderr]    |
[INFO] [stderr] 48 | /                 poll.register(
[INFO] [stderr] 49 | |                   &sock,
[INFO] [stderr] 50 | |                   Token(index + 1),
[INFO] [stderr] 51 | |                   Ready::readable() | Ready::writable() | Ready::from(UnixReady::hup() | UnixReady::error()),
[INFO] [stderr] 52 | |                   PollOpt::edge(),
[INFO] [stderr] 53 | |                 );
[INFO] [stderr]    | |__________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/async/mod.rs:111:15
[INFO] [stderr]     |
[INFO] [stderr] 111 | /               poll.register(
[INFO] [stderr] 112 | |                 &stream,
[INFO] [stderr] 113 | |                 Token(index + 1),
[INFO] [stderr] 114 | |                 Ready::readable() | Ready::writable() | Ready::from(UnixReady::hup() | UnixReady::error()),
[INFO] [stderr] 115 | |                 PollOpt::edge(),
[INFO] [stderr] 116 | |               );
[INFO] [stderr]     | |________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/async/session.rs:188:9
[INFO] [stderr]     |
[INFO] [stderr] 188 | /         self
[INFO] [stderr] 189 | |           .client
[INFO] [stderr] 190 | |           .stream
[INFO] [stderr] 191 | |           .write(b"HTTP/1.1 404 Not Found\r\nContent-length: 19\r\n\r\nFunction not found\n");
[INFO] [stderr]     | |______________________________________________________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/async/session.rs:192:9
[INFO] [stderr]     |
[INFO] [stderr] 192 |         self.client.stream.shutdown(Shutdown::Both);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/async/session.rs:198:7
[INFO] [stderr]     |
[INFO] [stderr] 198 | /       self
[INFO] [stderr] 199 | |         .client
[INFO] [stderr] 200 | |         .stream
[INFO] [stderr] 201 | |         .write(b"HTTP/1.1 404 Not Found\r\nContent-length: 16\r\n\r\nRoute not found\n");
[INFO] [stderr]     | |_________________________________________________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/async/session.rs:202:7
[INFO] [stderr]     |
[INFO] [stderr] 202 |       self.client.stream.shutdown(Shutdown::Both);
[INFO] [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/async/session.rs:463:5
[INFO] [stderr]     |
[INFO] [stderr] 463 | /     self
[INFO] [stderr] 464 | |       .client
[INFO] [stderr] 465 | |       .stream
[INFO] [stderr] 466 | |       .write_fmt(format_args!("HTTP/1.1 {} {}\r\n", response.status_code.unwrap(), response.reason.unwrap()));
[INFO] [stderr]     | |______________________________________________________________________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/async/session.rs:468:7
[INFO] [stderr]     |
[INFO] [stderr] 468 | /       self
[INFO] [stderr] 469 | |         .client
[INFO] [stderr] 470 | |         .stream
[INFO] [stderr] 471 | |         .write_fmt(format_args!("{}: {}\r\n", header.0, header.1));
[INFO] [stderr]     | |___________________________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/async/session.rs:473:5
[INFO] [stderr]     |
[INFO] [stderr] 473 |     self.client.stream.write(b"\r\n");
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/async/session.rs:474:5
[INFO] [stderr]     |
[INFO] [stderr] 474 |     self.client.stream.write(&response.body.unwrap()[..]);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/jit/mod.rs:14:7
[INFO] [stderr]    |
[INFO] [stderr] 14 |       file.read_to_end(&mut data);
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Done`
[INFO] [stderr]   --> src/async/session.rs:49:3
[INFO] [stderr]    |
[INFO] [stderr] 49 |   Done,
[INFO] [stderr]    |   ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/sync/host.rs:37:3
[INFO] [stderr]    |
[INFO] [stderr] 37 |   pub fn new() -> PreparedResponse {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `instance`
[INFO] [stderr]   --> src/sync/host.rs:48:3
[INFO] [stderr]    |
[INFO] [stderr] 48 |   instance: Option<ModuleRef>,
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/sync/host.rs:55:3
[INFO] [stderr]    |
[INFO] [stderr] 55 |   pub fn new() -> State {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `server`
[INFO] [stderr]   --> src/sync/mod.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub fn server(config: Config) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/jit/env.rs:42:3
[INFO] [stderr]    |
[INFO] [stderr] 42 |   pub fn new() -> ModuleInfo {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Env`
[INFO] [stderr]   --> src/jit/env.rs:57:1
[INFO] [stderr]    |
[INFO] [stderr] 57 | pub struct Env {
[INFO] [stderr]    | ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/jit/env.rs:63:3
[INFO] [stderr]    |
[INFO] [stderr] 63 |   pub fn new() -> Env {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `server`
[INFO] [stderr]  --> src/jit/mod.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub fn server(config: Config) {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/async/mod.rs:48:17
[INFO] [stderr]    |
[INFO] [stderr] 48 | /                 poll.register(
[INFO] [stderr] 49 | |                   &sock,
[INFO] [stderr] 50 | |                   Token(index + 1),
[INFO] [stderr] 51 | |                   Ready::readable() | Ready::writable() | Ready::from(UnixReady::hup() | UnixReady::error()),
[INFO] [stderr] 52 | |                   PollOpt::edge(),
[INFO] [stderr] 53 | |                 );
[INFO] [stderr]    | |__________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/async/mod.rs:111:15
[INFO] [stderr]     |
[INFO] [stderr] 111 | /               poll.register(
[INFO] [stderr] 112 | |                 &stream,
[INFO] [stderr] 113 | |                 Token(index + 1),
[INFO] [stderr] 114 | |                 Ready::readable() | Ready::writable() | Ready::from(UnixReady::hup() | UnixReady::error()),
[INFO] [stderr] 115 | |                 PollOpt::edge(),
[INFO] [stderr] 116 | |               );
[INFO] [stderr]     | |________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/async/session.rs:188:9
[INFO] [stderr]     |
[INFO] [stderr] 188 | /         self
[INFO] [stderr] 189 | |           .client
[INFO] [stderr] 190 | |           .stream
[INFO] [stderr] 191 | |           .write(b"HTTP/1.1 404 Not Found\r\nContent-length: 19\r\n\r\nFunction not found\n");
[INFO] [stderr]     | |______________________________________________________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/async/session.rs:192:9
[INFO] [stderr]     |
[INFO] [stderr] 192 |         self.client.stream.shutdown(Shutdown::Both);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/async/session.rs:198:7
[INFO] [stderr]     |
[INFO] [stderr] 198 | /       self
[INFO] [stderr] 199 | |         .client
[INFO] [stderr] 200 | |         .stream
[INFO] [stderr] 201 | |         .write(b"HTTP/1.1 404 Not Found\r\nContent-length: 16\r\n\r\nRoute not found\n");
[INFO] [stderr]     | |_________________________________________________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/async/session.rs:202:7
[INFO] [stderr]     |
[INFO] [stderr] 202 |       self.client.stream.shutdown(Shutdown::Both);
[INFO] [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/async/session.rs:463:5
[INFO] [stderr]     |
[INFO] [stderr] 463 | /     self
[INFO] [stderr] 464 | |       .client
[INFO] [stderr] 465 | |       .stream
[INFO] [stderr] 466 | |       .write_fmt(format_args!("HTTP/1.1 {} {}\r\n", response.status_code.unwrap(), response.reason.unwrap()));
[INFO] [stderr]     | |______________________________________________________________________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/async/session.rs:468:7
[INFO] [stderr]     |
[INFO] [stderr] 468 | /       self
[INFO] [stderr] 469 | |         .client
[INFO] [stderr] 470 | |         .stream
[INFO] [stderr] 471 | |         .write_fmt(format_args!("{}: {}\r\n", header.0, header.1));
[INFO] [stderr]     | |___________________________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/async/session.rs:473:5
[INFO] [stderr]     |
[INFO] [stderr] 473 |     self.client.stream.write(b"\r\n");
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/async/session.rs:474:5
[INFO] [stderr]     |
[INFO] [stderr] 474 |     self.client.stream.write(&response.body.unwrap()[..]);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/jit/mod.rs:14:7
[INFO] [stderr]    |
[INFO] [stderr] 14 |       file.read_to_end(&mut data);
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 03s
[INFO] running `"docker" "inspect" "d4a4c86cc724b3872a2115e6db5f96103491db6371b728de5c90a673a423b6dc"`
[INFO] running `"docker" "rm" "-f" "d4a4c86cc724b3872a2115e6db5f96103491db6371b728de5c90a673a423b6dc"`
[INFO] [stdout] d4a4c86cc724b3872a2115e6db5f96103491db6371b728de5c90a673a423b6dc