[INFO] cloning repository https://github.com/danzhu/rust-fin
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/danzhu/rust-fin" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanzhu%2Frust-fin", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanzhu%2Frust-fin'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 523dcb02f1cc5196560acaa714cde4f281a37fed
[INFO] checking danzhu/rust-fin against master#cb06d12710575a0d7ff71d6fe108f3bcff4f9195 for pr-128425-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanzhu%2Frust-fin" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/danzhu/rust-fin on toolchain cb06d12710575a0d7ff71d6fe108f3bcff4f9195
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cb06d12710575a0d7ff71d6fe108f3bcff4f9195" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/danzhu/rust-fin
[INFO] finished tweaking git repo https://github.com/danzhu/rust-fin
[INFO] tweaked toml for git repo https://github.com/danzhu/rust-fin written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/danzhu/rust-fin 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" "+cb06d12710575a0d7ff71d6fe108f3bcff4f9195" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+cb06d12710575a0d7ff71d6fe108f3bcff4f9195" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5cd4b9d00ccadd9ccc14382b45022a04265dbd2d5d098e2dac86fe44909c5fb5
[INFO] running `Command { std: "docker" "start" "-a" "5cd4b9d00ccadd9ccc14382b45022a04265dbd2d5d098e2dac86fe44909c5fb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5cd4b9d00ccadd9ccc14382b45022a04265dbd2d5d098e2dac86fe44909c5fb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cd4b9d00ccadd9ccc14382b45022a04265dbd2d5d098e2dac86fe44909c5fb5", kill_on_drop: false }`
[INFO] [stdout] 5cd4b9d00ccadd9ccc14382b45022a04265dbd2d5d098e2dac86fe44909c5fb5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+cb06d12710575a0d7ff71d6fe108f3bcff4f9195" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bed060561c3a95cfb2f038a49660b58ed19f842b5177efc9e49ba02feafd24eb
[INFO] running `Command { std: "docker" "start" "-a" "bed060561c3a95cfb2f038a49660b58ed19f842b5177efc9e49ba02feafd24eb", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Checking fin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ast_gen.rs:105:13
[INFO] [stdout]     |
[INFO] [stdout] 105 |         let mut def = match ctx.sym_table[&tp.name] {
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ast_gen.rs:105:13
[INFO] [stdout]     |
[INFO] [stdout] 105 |         let mut def = match ctx.sym_table[&tp.name] {
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ast_gen.rs:158:17
[INFO] [stdout]     |
[INFO] [stdout] 158 |             let mut res = Resolver {
[INFO] [stdout]     |                 ----^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ast_gen.rs:168:13
[INFO] [stdout]     |
[INFO] [stdout] 168 |         let mut def = match ctx.sym_table[&func.sig.name] {
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ast_gen.rs:158:17
[INFO] [stdout]     |
[INFO] [stdout] 158 |             let mut res = Resolver {
[INFO] [stdout]     |                 ----^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ast_gen.rs:168:13
[INFO] [stdout]     |
[INFO] [stdout] 168 |         let mut def = match ctx.sym_table[&func.sig.name] {
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/code_gen.rs:83:17
[INFO] [stdout]    |
[INFO] [stdout] 83 |             let mut bb = self.def.add_block();
[INFO] [stdout]    |                 ----^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/code_gen.rs:83:17
[INFO] [stdout]    |
[INFO] [stdout] 83 |             let mut bb = self.def.add_block();
[INFO] [stdout]    |                 ----^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `span` is never read
[INFO] [stdout]    --> src/ast.rs:103:9
[INFO] [stdout]     |
[INFO] [stdout] 100 | pub struct BindDef {
[INFO] [stdout]     |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 103 |     pub span: Span,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `BindDef` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `span` is never read
[INFO] [stdout]   --> src/ptree.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct FuncNode {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub span: Span,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FuncNode` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ItemRef` is never constructed
[INFO] [stdout]    --> src/ptree.rs:118:12
[INFO] [stdout]     |
[INFO] [stdout] 118 | pub struct ItemRef {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ItemRef` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `span` is never read
[INFO] [stdout]    --> src/ptree.rs:144:9
[INFO] [stdout]     |
[INFO] [stdout] 142 | pub struct MemberRef {
[INFO] [stdout]     |            --------- field in this struct
[INFO] [stdout] 143 |     pub name: Name,
[INFO] [stdout] 144 |     pub span: Span,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `MemberRef` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `span` is never read
[INFO] [stdout]    --> src/ptree.rs:150:9
[INFO] [stdout]     |
[INFO] [stdout] 148 | pub struct BindRef {
[INFO] [stdout]     |            ------- field in this struct
[INFO] [stdout] 149 |     pub path: Path,
[INFO] [stdout] 150 |     pub span: Span,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `BindRef` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/ast_gen.rs:562:13
[INFO] [stdout]     |
[INFO] [stdout] 562 |     Context(&'a Context),
[INFO] [stdout]     |     ------- ^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 562 -     Context(&'a Context),
[INFO] [stdout] 562 +     Context(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `span` is never read
[INFO] [stdout]    --> src/ast.rs:103:9
[INFO] [stdout]     |
[INFO] [stdout] 100 | pub struct BindDef {
[INFO] [stdout]     |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 103 |     pub span: Span,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `BindDef` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `span` is never read
[INFO] [stdout]   --> src/ptree.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct FuncNode {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub span: Span,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FuncNode` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ItemRef` is never constructed
[INFO] [stdout]    --> src/ptree.rs:118:12
[INFO] [stdout]     |
[INFO] [stdout] 118 | pub struct ItemRef {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ItemRef` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `span` is never read
[INFO] [stdout]    --> src/ptree.rs:144:9
[INFO] [stdout]     |
[INFO] [stdout] 142 | pub struct MemberRef {
[INFO] [stdout]     |            --------- field in this struct
[INFO] [stdout] 143 |     pub name: Name,
[INFO] [stdout] 144 |     pub span: Span,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `MemberRef` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `span` is never read
[INFO] [stdout]    --> src/ptree.rs:150:9
[INFO] [stdout]     |
[INFO] [stdout] 148 | pub struct BindRef {
[INFO] [stdout]     |            ------- field in this struct
[INFO] [stdout] 149 |     pub path: Path,
[INFO] [stdout] 150 |     pub span: Span,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `BindRef` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/ast_gen.rs:562:13
[INFO] [stdout]     |
[INFO] [stdout] 562 |     Context(&'a Context),
[INFO] [stdout]     |     ------- ^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 562 -     Context(&'a Context),
[INFO] [stdout] 562 +     Context(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "bed060561c3a95cfb2f038a49660b58ed19f842b5177efc9e49ba02feafd24eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bed060561c3a95cfb2f038a49660b58ed19f842b5177efc9e49ba02feafd24eb", kill_on_drop: false }`
[INFO] [stdout] bed060561c3a95cfb2f038a49660b58ed19f842b5177efc9e49ba02feafd24eb
