[INFO] cloning repository https://github.com/n4o847/nio
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/n4o847/nio" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fn4o847%2Fnio", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fn4o847%2Fnio'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] afce082d222f64dbda5d3051122ca86996a64a4c
[INFO] checking n4o847/nio against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fn4o847%2Fnio" "/workspace/builds/worker-68/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-68/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/n4o847/nio on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/n4o847/nio
[INFO] finished tweaking git repo https://github.com/n4o847/nio
[INFO] tweaked toml for git repo https://github.com/n4o847/nio written to /workspace/builds/worker-68/source/Cargo.toml
[INFO] crate git repo https://github.com/n4o847/nio already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef3a6080eb37d656180f979d467c844cb2f0806a2f0d2684211f40416311f2f8
[INFO] running `Command { std: "docker" "start" "-a" "ef3a6080eb37d656180f979d467c844cb2f0806a2f0d2684211f40416311f2f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef3a6080eb37d656180f979d467c844cb2f0806a2f0d2684211f40416311f2f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef3a6080eb37d656180f979d467c844cb2f0806a2f0d2684211f40416311f2f8", kill_on_drop: false }`
[INFO] [stdout] ef3a6080eb37d656180f979d467c844cb2f0806a2f0d2684211f40416311f2f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 92c9420da926be0ce8fd26321a24fb0a904269f88af81fb8628b40035e83d917
[INFO] running `Command { std: "docker" "start" "-a" "92c9420da926be0ce8fd26321a24fb0a904269f88af81fb8628b40035e83d917", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking nio v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/wasm/binary/instructions.rs (14 fixes)
[INFO] [stdout] warning: field is never read: `func_type_map`
[INFO] [stdout]  --> src/codegen.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     func_type_map: HashMap<wasm::FuncType, usize>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `emit_import_sec`
[INFO] [stdout]   --> src/wasm/binary/modules.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn emit_import_sec(&mut self) -> io::Result<()> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `emit_table_sec`
[INFO] [stdout]   --> src/wasm/binary/modules.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn emit_table_sec(&mut self) -> io::Result<()> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `emit_mem_sec`
[INFO] [stdout]   --> src/wasm/binary/modules.rs:62:8
[INFO] [stdout]    |
[INFO] [stdout] 62 |     fn emit_mem_sec(&mut self) -> io::Result<()> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `emit_global_sec`
[INFO] [stdout]   --> src/wasm/binary/modules.rs:67:8
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn emit_global_sec(&mut self) -> io::Result<()> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `emit_start_sec`
[INFO] [stdout]    --> src/wasm/binary/modules.rs:102:8
[INFO] [stdout]     |
[INFO] [stdout] 102 |     fn emit_start_sec(&mut self) -> io::Result<()> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `emit_elem_sec`
[INFO] [stdout]    --> src/wasm/binary/modules.rs:107:8
[INFO] [stdout]     |
[INFO] [stdout] 107 |     fn emit_elem_sec(&mut self) -> io::Result<()> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `emit_data_sec`
[INFO] [stdout]    --> src/wasm/binary/modules.rs:142:8
[INFO] [stdout]     |
[INFO] [stdout] 142 |     fn emit_data_sec(&mut self) -> io::Result<()> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `func_type_map`
[INFO] [stdout]  --> src/codegen.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     func_type_map: HashMap<wasm::FuncType, usize>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `emit_import_sec`
[INFO] [stdout]   --> src/wasm/binary/modules.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn emit_import_sec(&mut self) -> io::Result<()> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `emit_table_sec`
[INFO] [stdout]   --> src/wasm/binary/modules.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn emit_table_sec(&mut self) -> io::Result<()> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `emit_mem_sec`
[INFO] [stdout]   --> src/wasm/binary/modules.rs:62:8
[INFO] [stdout]    |
[INFO] [stdout] 62 |     fn emit_mem_sec(&mut self) -> io::Result<()> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `emit_global_sec`
[INFO] [stdout]   --> src/wasm/binary/modules.rs:67:8
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn emit_global_sec(&mut self) -> io::Result<()> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `emit_start_sec`
[INFO] [stdout]    --> src/wasm/binary/modules.rs:102:8
[INFO] [stdout]     |
[INFO] [stdout] 102 |     fn emit_start_sec(&mut self) -> io::Result<()> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `emit_elem_sec`
[INFO] [stdout]    --> src/wasm/binary/modules.rs:107:8
[INFO] [stdout]     |
[INFO] [stdout] 107 |     fn emit_elem_sec(&mut self) -> io::Result<()> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `emit_data_sec`
[INFO] [stdout]    --> src/wasm/binary/modules.rs:142:8
[INFO] [stdout]     |
[INFO] [stdout] 142 |     fn emit_data_sec(&mut self) -> io::Result<()> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/generate_wasm.rs from 2018 edition to 2021
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.76s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking nio v0.1.0 (/tmp/fixit)
[INFO] [stdout] warning: field is never read: `func_type_map`
[INFO] [stdout]  --> src/codegen.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     func_type_map: HashMap<wasm::FuncType, usize>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `emit_import_sec`
[INFO] [stdout]   --> src/wasm/binary/modules.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn emit_import_sec(&mut self) -> io::Result<()> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `emit_table_sec`
[INFO] [stdout]   --> src/wasm/binary/modules.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn emit_table_sec(&mut self) -> io::Result<()> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `emit_mem_sec`
[INFO] [stdout]   --> src/wasm/binary/modules.rs:62:8
[INFO] [stdout]    |
[INFO] [stdout] 62 |     fn emit_mem_sec(&mut self) -> io::Result<()> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `emit_global_sec`
[INFO] [stdout]   --> src/wasm/binary/modules.rs:67:8
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn emit_global_sec(&mut self) -> io::Result<()> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `emit_start_sec`
[INFO] [stdout]    --> src/wasm/binary/modules.rs:102:8
[INFO] [stdout]     |
[INFO] [stdout] 102 |     fn emit_start_sec(&mut self) -> io::Result<()> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `emit_elem_sec`
[INFO] [stdout]    --> src/wasm/binary/modules.rs:107:8
[INFO] [stdout]     |
[INFO] [stdout] 107 |     fn emit_elem_sec(&mut self) -> io::Result<()> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `emit_data_sec`
[INFO] [stdout]    --> src/wasm/binary/modules.rs:142:8
[INFO] [stdout]     |
[INFO] [stdout] 142 |     fn emit_data_sec(&mut self) -> io::Result<()> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `func_type_map`
[INFO] [stdout]  --> src/codegen.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     func_type_map: HashMap<wasm::FuncType, usize>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `emit_import_sec`
[INFO] [stdout]   --> src/wasm/binary/modules.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn emit_import_sec(&mut self) -> io::Result<()> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `emit_table_sec`
[INFO] [stdout]   --> src/wasm/binary/modules.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn emit_table_sec(&mut self) -> io::Result<()> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `emit_mem_sec`
[INFO] [stdout]   --> src/wasm/binary/modules.rs:62:8
[INFO] [stdout]    |
[INFO] [stdout] 62 |     fn emit_mem_sec(&mut self) -> io::Result<()> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `emit_global_sec`
[INFO] [stdout]   --> src/wasm/binary/modules.rs:67:8
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn emit_global_sec(&mut self) -> io::Result<()> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `emit_start_sec`
[INFO] [stdout]    --> src/wasm/binary/modules.rs:102:8
[INFO] [stdout]     |
[INFO] [stdout] 102 |     fn emit_start_sec(&mut self) -> io::Result<()> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `emit_elem_sec`
[INFO] [stdout]    --> src/wasm/binary/modules.rs:107:8
[INFO] [stdout]     |
[INFO] [stdout] 107 |     fn emit_elem_sec(&mut self) -> io::Result<()> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `emit_data_sec`
[INFO] [stdout]    --> src/wasm/binary/modules.rs:142:8
[INFO] [stdout]     |
[INFO] [stdout] 142 |     fn emit_data_sec(&mut self) -> io::Result<()> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.64s
[INFO] running `Command { std: "docker" "inspect" "92c9420da926be0ce8fd26321a24fb0a904269f88af81fb8628b40035e83d917", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92c9420da926be0ce8fd26321a24fb0a904269f88af81fb8628b40035e83d917", kill_on_drop: false }`
[INFO] [stdout] 92c9420da926be0ce8fd26321a24fb0a904269f88af81fb8628b40035e83d917