[INFO] cloning repository https://github.com/dwuggh/torrent
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dwuggh/torrent" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdwuggh%2Ftorrent", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdwuggh%2Ftorrent'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 116810ae53c24289c4731cb060402b684259e984
[INFO] checking dwuggh/torrent/116810ae53c24289c4731cb060402b684259e984 against c999cef531ea9059e189e82fe0e82c5daf249bc9 for pr-152972
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdwuggh%2Ftorrent" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/dwuggh/torrent
[INFO] finished tweaking git repo https://github.com/dwuggh/torrent
[INFO] tweaked toml for git repo https://github.com/dwuggh/torrent written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dwuggh/torrent on toolchain c999cef531ea9059e189e82fe0e82c5daf249bc9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c999cef531ea9059e189e82fe0e82c5daf249bc9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/dwuggh/torrent already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c999cef531ea9059e189e82fe0e82c5daf249bc9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] e60c6f6d2cc025d42a97df36459e40b7389b8d4fa63a941eecc780fcc2454507
[INFO] running `Command { std: "docker" "start" "e60c6f6d2cc025d42a97df36459e40b7389b8d4fa63a941eecc780fcc2454507", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e60c6f6d2cc025d42a97df36459e40b7389b8d4fa63a941eecc780fcc2454507", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e60c6f6d2cc025d42a97df36459e40b7389b8d4fa63a941eecc780fcc2454507" "/opt/rustwide/cargo-home/bin/cargo" "+c999cef531ea9059e189e82fe0e82c5daf249bc9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e60c6f6d2cc025d42a97df36459e40b7389b8d4fa63a941eecc780fcc2454507", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e60c6f6d2cc025d42a97df36459e40b7389b8d4fa63a941eecc780fcc2454507" "/opt/rustwide/cargo-home/bin/cargo" "+c999cef531ea9059e189e82fe0e82c5daf249bc9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]     Checking thiserror v2.0.18
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[INFO] [stdout] warning: unused variable: `ident`
[INFO] [stdout]   --> crates/proc-macros/src/lib.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |         ident,
[INFO] [stdout]    |         ^^^^^ help: try ignoring the field: `ident: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> crates/proc-macros/src/lib.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |         data,
[INFO] [stdout]    |         ^^^^ help: try ignoring the field: `data: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `generics`
[INFO] [stdout]   --> crates/proc-macros/src/lib.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |         generics,
[INFO] [stdout]    |         ^^^^^^^^ help: try ignoring the field: `generics: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `derive_trace_struct` is never used
[INFO] [stdout]   --> crates/proc-macros/src/lib.rs:71:4
[INFO] [stdout]    |
[INFO] [stdout] 71 | fn derive_trace_struct(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `derive_trace_enum` is never used
[INFO] [stdout]    --> crates/proc-macros/src/lib.rs:178:4
[INFO] [stdout]     |
[INFO] [stdout] 178 | fn derive_trace_enum(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_gc` is never used
[INFO] [stdout]    --> crates/proc-macros/src/lib.rs:301:4
[INFO] [stdout]     |
[INFO] [stdout] 301 | fn is_gc(arg: &Type) -> bool {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `no_trace` is never used
[INFO] [stdout]    --> crates/proc-macros/src/lib.rs:314:4
[INFO] [stdout]     |
[INFO] [stdout] 314 | fn no_trace(attrs: &[syn::Attribute]) -> bool {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking logos v0.15.1
[INFO] [stderr]     Checking scc v3.7.1
[INFO] [stderr]     Checking inventory v0.3.24
[INFO] [stdout] warning: unused variable: `ident`
[INFO] [stdout]   --> crates/proc-macros/src/lib.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |         ident,
[INFO] [stdout]    |         ^^^^^ help: try ignoring the field: `ident: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> crates/proc-macros/src/lib.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |         data,
[INFO] [stdout]    |         ^^^^ help: try ignoring the field: `data: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `generics`
[INFO] [stdout]   --> crates/proc-macros/src/lib.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |         generics,
[INFO] [stdout]    |         ^^^^^^^^ help: try ignoring the field: `generics: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `derive_trace_struct` is never used
[INFO] [stdout]   --> crates/proc-macros/src/lib.rs:71:4
[INFO] [stdout]    |
[INFO] [stdout] 71 | fn derive_trace_struct(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `derive_trace_enum` is never used
[INFO] [stdout]    --> crates/proc-macros/src/lib.rs:178:4
[INFO] [stdout]     |
[INFO] [stdout] 178 | fn derive_trace_enum(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_gc` is never used
[INFO] [stdout]    --> crates/proc-macros/src/lib.rs:301:4
[INFO] [stdout]     |
[INFO] [stdout] 301 | fn is_gc(arg: &Type) -> bool {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `no_trace` is never used
[INFO] [stdout]    --> crates/proc-macros/src/lib.rs:314:4
[INFO] [stdout]     |
[INFO] [stdout] 314 | fn no_trace(attrs: &[syn::Attribute]) -> bool {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ident`
[INFO] [stdout]   --> crates/proc-macros/src/lib.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |         ident,
[INFO] [stdout]    |         ^^^^^ help: try ignoring the field: `ident: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> crates/proc-macros/src/lib.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |         data,
[INFO] [stdout]    |         ^^^^ help: try ignoring the field: `data: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `generics`
[INFO] [stdout]   --> crates/proc-macros/src/lib.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |         generics,
[INFO] [stdout]    |         ^^^^^^^^ help: try ignoring the field: `generics: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `derive_trace_struct` is never used
[INFO] [stdout]   --> crates/proc-macros/src/lib.rs:71:4
[INFO] [stdout]    |
[INFO] [stdout] 71 | fn derive_trace_struct(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `derive_trace_enum` is never used
[INFO] [stdout]    --> crates/proc-macros/src/lib.rs:178:4
[INFO] [stdout]     |
[INFO] [stdout] 178 | fn derive_trace_enum(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_gc` is never used
[INFO] [stdout]    --> crates/proc-macros/src/lib.rs:301:4
[INFO] [stdout]     |
[INFO] [stdout] 301 | fn is_gc(arg: &Type) -> bool {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `no_trace` is never used
[INFO] [stdout]    --> crates/proc-macros/src/lib.rs:314:4
[INFO] [stdout]     |
[INFO] [stdout] 314 | fn no_trace(attrs: &[syn::Attribute]) -> bool {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling git2 v0.21.0
[INFO] [stderr]    Compiling built v0.8.1
[INFO] [stderr]    Compiling mmtk v0.32.0 (https://github.com/mmtk/mmtk-core#a65de7e7)
[INFO] [stderr]     Checking cranelift-native v0.123.10
[INFO] [stderr]     Checking cranelift-frontend v0.123.10
[INFO] [stderr]     Checking cranelift-module v0.123.10
[INFO] [stderr]     Checking cranelift-jit v0.123.10
[INFO] [stderr]     Checking cranelift v0.123.10
[INFO] [stdout] error[E0583]: file not found for module `symbol_map`
[INFO] [stdout]   --> src/core.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub mod symbol_map;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: to create the module `symbol_map`, create file "src/core/symbol_map.rs" or "src/core/symbol_map/mod.rs"
[INFO] [stdout]    = note: if there is a `mod symbol_map` elsewhere in the crate already, import it with `use crate::...` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0583]: file not found for module `symbol_map`
[INFO] [stdout]   --> src/core.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub mod symbol_map;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: to create the module `symbol_map`, create file "src/core/symbol_map.rs" or "src/core/symbol_map/mod.rs"
[INFO] [stdout]    = note: if there is a `mod symbol_map` elsewhere in the crate already, import it with `use crate::...` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rustc_hash::FxHashMap`
[INFO] [stdout]   --> src/core/env.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use rustc_hash::FxHashMap;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]   --> src/core/env.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 | use std::cell::RefCell;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rustc_hash::FxHashMap`
[INFO] [stdout]   --> src/core/env.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use rustc_hash::FxHashMap;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]   --> src/core/env.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 | use std::cell::RefCell;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/core/cons.rs:343:18
[INFO] [stdout]     |
[INFO] [stdout] 343 |             _ => return runtime_bail!(NotAList, value: cur),
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/core/error.rs:427:9
[INFO] [stdout]     |
[INFO] [stdout] 427 |         return Err(runtime_error!($($args)*))
[INFO] [stdout]     |         ------------------------------------- any code following this expression is unreachable
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/core/cons.rs:361:18
[INFO] [stdout]     |
[INFO] [stdout] 361 |             _ => return runtime_bail!(NotAList, value: cur),
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/core/error.rs:427:9
[INFO] [stdout]     |
[INFO] [stdout] 427 |         return Err(runtime_error!($($args)*))
[INFO] [stdout]     |         ------------------------------------- any code following this expression is unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/core/cons.rs:383:56
[INFO] [stdout]     |
[INFO] [stdout] 383 |             let Some(res) = cons_cell.reverse() else { return runtime_bail!(NotAList, value: list) };
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/core/error.rs:427:9
[INFO] [stdout]     |
[INFO] [stdout] 427 |         return Err(runtime_error!($($args)*))
[INFO] [stdout]     |         ------------------------------------- any code following this expression is unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/core/cons.rs:402:18
[INFO] [stdout]     |
[INFO] [stdout] 402 |             _ => return runtime_bail!(NotAList, value: cur),
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/core/error.rs:427:9
[INFO] [stdout]     |
[INFO] [stdout] 427 |         return Err(runtime_error!($($args)*))
[INFO] [stdout]     |         ------------------------------------- any code following this expression is unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/core/cons.rs:422:18
[INFO] [stdout]     |
[INFO] [stdout] 422 |             _ => return runtime_bail!(NotAList, value: cur),
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/core/error.rs:427:9
[INFO] [stdout]     |
[INFO] [stdout] 427 |         return Err(runtime_error!($($args)*))
[INFO] [stdout]     |         ------------------------------------- any code following this expression is unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/core/cons.rs:343:18
[INFO] [stdout]     |
[INFO] [stdout] 343 |             _ => return runtime_bail!(NotAList, value: cur),
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/core/error.rs:427:9
[INFO] [stdout]     |
[INFO] [stdout] 427 |         return Err(runtime_error!($($args)*))
[INFO] [stdout]     |         ------------------------------------- any code following this expression is unreachable
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/core/cons.rs:361:18
[INFO] [stdout]     |
[INFO] [stdout] 361 |             _ => return runtime_bail!(NotAList, value: cur),
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/core/error.rs:427:9
[INFO] [stdout]     |
[INFO] [stdout] 427 |         return Err(runtime_error!($($args)*))
[INFO] [stdout]     |         ------------------------------------- any code following this expression is unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/core/cons.rs:383:56
[INFO] [stdout]     |
[INFO] [stdout] 383 |             let Some(res) = cons_cell.reverse() else { return runtime_bail!(NotAList, value: list) };
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/core/error.rs:427:9
[INFO] [stdout]     |
[INFO] [stdout] 427 |         return Err(runtime_error!($($args)*))
[INFO] [stdout]     |         ------------------------------------- any code following this expression is unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/core/cons.rs:402:18
[INFO] [stdout]     |
[INFO] [stdout] 402 |             _ => return runtime_bail!(NotAList, value: cur),
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/core/error.rs:427:9
[INFO] [stdout]     |
[INFO] [stdout] 427 |         return Err(runtime_error!($($args)*))
[INFO] [stdout]     |         ------------------------------------- any code following this expression is unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/core/cons.rs:422:18
[INFO] [stdout]     |
[INFO] [stdout] 422 |             _ => return runtime_bail!(NotAList, value: cur),
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/core/error.rs:427:9
[INFO] [stdout]     |
[INFO] [stdout] 427 |         return Err(runtime_error!($($args)*))
[INFO] [stdout]     |         ------------------------------------- any code following this expression is unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `exprs`
[INFO] [stdout]    --> src/core/compiler/codegen.rs:586:40
[INFO] [stdout]     |
[INFO] [stdout] 586 |     fn translate_vector<'s>(&mut self, exprs: &[Expr]) -> CodegenResult<Value> {
[INFO] [stdout]     |                                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_exprs`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/core/compiler/codegen.rs:1064:17
[INFO] [stdout]      |
[INFO] [stdout] 1064 |             let mut value = if let Some(expr) = value_expr {
[INFO] [stdout]      |                 ----^^^^^
[INFO] [stdout]      |                 |
[INFO] [stdout]      |                 help: remove this `mut`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `func_id`
[INFO] [stdout]     --> src/core/compiler/codegen.rs:1136:23
[INFO] [stdout]      |
[INFO] [stdout] 1136 |     let (mut builder, func_id, params) =
[INFO] [stdout]      |                       ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_func_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg_cnt`
[INFO] [stdout]     --> src/core/compiler/codegen.rs:1140:9
[INFO] [stdout]      |
[INFO] [stdout] 1140 |     let arg_cnt = params[1];
[INFO] [stdout]      |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_arg_cnt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]     --> src/core/compiler/codegen.rs:1141:9
[INFO] [stdout]      |
[INFO] [stdout] 1141 |     let env = params[2];
[INFO] [stdout]      |         ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `func`
[INFO] [stdout]     --> src/core/compiler/codegen.rs:1143:9
[INFO] [stdout]      |
[INFO] [stdout] 1143 |     let func = builder
[INFO] [stdout]      |         ^^^^ help: if this is intentional, prefix it with an underscore: `_func`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `handler`
[INFO] [stdout]   --> src/core/parser/macro_expansion.rs:77:25
[INFO] [stdout]    |
[INFO] [stdout] 77 |                     for handler in condition_case.handlers.iter() {}
[INFO] [stdout]    |                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_handler`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `quote`
[INFO] [stdout]    --> src/core/parser/macro_expansion.rs:153:36
[INFO] [stdout]     |
[INFO] [stdout] 153 |                 SpecialForm::Quote(quote) => todo!(),
[INFO] [stdout]     |                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_quote`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `func`
[INFO] [stdout]   --> src/core/runtime.rs:91:37
[INFO] [stdout]    |
[INFO] [stdout] 91 |             let ObjectRef::Function(func) = obj.as_ref() else {
[INFO] [stdout]    |                                     ^^^^ help: if this is intentional, prefix it with an underscore: `_func`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/core/runtime.rs:257:48
[INFO] [stdout]     |
[INFO] [stdout] 257 | fn get_func_ptr_from_function(func: &Function, env: &Environment) -> Result<*const u8> {
[INFO] [stdout]     |                                                ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new_reference`
[INFO] [stdout]   --> src/gc/reference_glue.rs:10:23
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn clear_referent(new_reference: mmtk::util::ObjectReference) {
[INFO] [stdout]    |                       ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_reference`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `object`
[INFO] [stdout]   --> src/gc/reference_glue.rs:14:21
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn get_referent(object: mmtk::util::ObjectReference) -> Option<mmtk::util::ObjectReference> {
[INFO] [stdout]    |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_object`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reff`
[INFO] [stdout]   --> src/gc/reference_glue.rs:18:21
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn set_referent(reff: mmtk::util::ObjectReference, referent: mmtk::util::ObjectReference) {
[INFO] [stdout]    |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_reff`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `referent`
[INFO] [stdout]   --> src/gc/reference_glue.rs:18:56
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn set_referent(reff: mmtk::util::ObjectReference, referent: mmtk::util::ObjectReference) {
[INFO] [stdout]    |                                                        ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_referent`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `references`
[INFO] [stdout]   --> src/gc/reference_glue.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |         references: &[mmtk::util::ObjectReference],
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_references`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tls`
[INFO] [stdout]   --> src/gc/reference_glue.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |         tls: mmtk::util::VMWorkerThread,
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_tls`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `generational`
[INFO] [stdout]   --> src/gc/scanning.rs:87:13
[INFO] [stdout]    |
[INFO] [stdout] 87 |         let generational = mmtk_instance().get_plan().generational();
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_generational`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `exprs`
[INFO] [stdout]    --> src/core/compiler/codegen.rs:586:40
[INFO] [stdout]     |
[INFO] [stdout] 586 |     fn translate_vector<'s>(&mut self, exprs: &[Expr]) -> CodegenResult<Value> {
[INFO] [stdout]     |                                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_exprs`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/core/compiler/codegen.rs:1064:17
[INFO] [stdout]      |
[INFO] [stdout] 1064 |             let mut value = if let Some(expr) = value_expr {
[INFO] [stdout]      |                 ----^^^^^
[INFO] [stdout]      |                 |
[INFO] [stdout]      |                 help: remove this `mut`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `func_id`
[INFO] [stdout]     --> src/core/compiler/codegen.rs:1136:23
[INFO] [stdout]      |
[INFO] [stdout] 1136 |     let (mut builder, func_id, params) =
[INFO] [stdout]      |                       ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_func_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg_cnt`
[INFO] [stdout]     --> src/core/compiler/codegen.rs:1140:9
[INFO] [stdout]      |
[INFO] [stdout] 1140 |     let arg_cnt = params[1];
[INFO] [stdout]      |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_arg_cnt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]     --> src/core/compiler/codegen.rs:1141:9
[INFO] [stdout]      |
[INFO] [stdout] 1141 |     let env = params[2];
[INFO] [stdout]      |         ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `func`
[INFO] [stdout]     --> src/core/compiler/codegen.rs:1143:9
[INFO] [stdout]      |
[INFO] [stdout] 1143 |     let func = builder
[INFO] [stdout]      |         ^^^^ help: if this is intentional, prefix it with an underscore: `_func`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0583`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `torrent` (bin "torrent") due to 1 previous error; 24 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `handler`
[INFO] [stdout]   --> src/core/parser/macro_expansion.rs:77:25
[INFO] [stdout]    |
[INFO] [stdout] 77 |                     for handler in condition_case.handlers.iter() {}
[INFO] [stdout]    |                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_handler`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `quote`
[INFO] [stdout]    --> src/core/parser/macro_expansion.rs:153:36
[INFO] [stdout]     |
[INFO] [stdout] 153 |                 SpecialForm::Quote(quote) => todo!(),
[INFO] [stdout]     |                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_quote`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `func`
[INFO] [stdout]   --> src/core/runtime.rs:91:37
[INFO] [stdout]    |
[INFO] [stdout] 91 |             let ObjectRef::Function(func) = obj.as_ref() else {
[INFO] [stdout]    |                                     ^^^^ help: if this is intentional, prefix it with an underscore: `_func`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/core/runtime.rs:257:48
[INFO] [stdout]     |
[INFO] [stdout] 257 | fn get_func_ptr_from_function(func: &Function, env: &Environment) -> Result<*const u8> {
[INFO] [stdout]     |                                                ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new_reference`
[INFO] [stdout]   --> src/gc/reference_glue.rs:10:23
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn clear_referent(new_reference: mmtk::util::ObjectReference) {
[INFO] [stdout]    |                       ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_reference`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `object`
[INFO] [stdout]   --> src/gc/reference_glue.rs:14:21
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn get_referent(object: mmtk::util::ObjectReference) -> Option<mmtk::util::ObjectReference> {
[INFO] [stdout]    |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_object`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reff`
[INFO] [stdout]   --> src/gc/reference_glue.rs:18:21
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn set_referent(reff: mmtk::util::ObjectReference, referent: mmtk::util::ObjectReference) {
[INFO] [stdout]    |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_reff`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `referent`
[INFO] [stdout]   --> src/gc/reference_glue.rs:18:56
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn set_referent(reff: mmtk::util::ObjectReference, referent: mmtk::util::ObjectReference) {
[INFO] [stdout]    |                                                        ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_referent`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `references`
[INFO] [stdout]   --> src/gc/reference_glue.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |         references: &[mmtk::util::ObjectReference],
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_references`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tls`
[INFO] [stdout]   --> src/gc/reference_glue.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |         tls: mmtk::util::VMWorkerThread,
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_tls`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `generational`
[INFO] [stdout]   --> src/gc/scanning.rs:87:13
[INFO] [stdout]    |
[INFO] [stdout] 87 |         let generational = mmtk_instance().get_plan().generational();
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_generational`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0583`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `torrent` (bin "torrent" test) due to 1 previous error; 24 warnings emitted
[INFO] [stderr] warning: unused dependency `rand`
[INFO] [stderr]   --> Cargo.toml:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | rand = "0.9.2"
[INFO] [stderr]    | ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `rand`
[INFO] [stderr] warning: unused dependency `syn`
[INFO] [stderr]  --> Cargo.toml:4:21
[INFO] [stderr]   |
[INFO] [stderr] 4 | [build-dependencies.syn]
[INFO] [stderr]   |                     ^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: consider removing the dependency on `syn`
[INFO] [stderr] warning: `torrent` (manifest) generated 2 warnings
[INFO] running `Command { std: "docker" "inspect" "e60c6f6d2cc025d42a97df36459e40b7389b8d4fa63a941eecc780fcc2454507", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e60c6f6d2cc025d42a97df36459e40b7389b8d4fa63a941eecc780fcc2454507", kill_on_drop: false }`
[INFO] [stdout] e60c6f6d2cc025d42a97df36459e40b7389b8d4fa63a941eecc780fcc2454507
