[INFO] cloning repository https://github.com/sunfishcode/codeexpr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sunfishcode/codeexpr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsunfishcode%2Fcodeexpr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsunfishcode%2Fcodeexpr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c569cd95ed0c00abb2e28d0985e464ba52a1e3b0
[INFO] checking sunfishcode/codeexpr against a5689b034ad287112f709693384a37f1377eb9cc for pr-129249-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsunfishcode%2Fcodeexpr" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/sunfishcode/codeexpr
[INFO] finished tweaking git repo https://github.com/sunfishcode/codeexpr
[INFO] tweaked toml for git repo https://github.com/sunfishcode/codeexpr written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sunfishcode/codeexpr on toolchain a5689b034ad287112f709693384a37f1377eb9cc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/sunfishcode/codeexpr 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" "+a5689b034ad287112f709693384a37f1377eb9cc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] f487215218842642b8570b89f93c433509b9fb9d973bde0d87d10a8e0cd3871e
[INFO] running `Command { std: "docker" "start" "f487215218842642b8570b89f93c433509b9fb9d973bde0d87d10a8e0cd3871e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f487215218842642b8570b89f93c433509b9fb9d973bde0d87d10a8e0cd3871e", 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" "f487215218842642b8570b89f93c433509b9fb9d973bde0d87d10a8e0cd3871e" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f487215218842642b8570b89f93c433509b9fb9d973bde0d87d10a8e0cd3871e", 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" "f487215218842642b8570b89f93c433509b9fb9d973bde0d87d10a8e0cd3871e" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking codeexpr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `I64` is never constructed
[INFO] [stdout]   --> src/codeexpr.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub enum Type {
[INFO] [stdout]    |          ---- variant in this enum
[INFO] [stdout] 12 |     I32,
[INFO] [stdout] 13 |     I64,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Type` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `TargetIsa` is never used
[INFO] [stdout]   --> src/codeexpr.rs:18:11
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub trait TargetIsa {
[INFO] [stdout]    |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `IAddImm` and `Call` are never constructed
[INFO] [stdout]   --> src/codeexpr.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub enum CodeExpr {
[INFO] [stdout]    |          -------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 58 |     IAddImm {
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 90 |     Call {
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CodeExpr` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `symbol_name` and `result_type` are never used
[INFO] [stdout]    --> src/codeexpr.rs:115:12
[INFO] [stdout]     |
[INFO] [stdout] 113 | impl CodeExpr {
[INFO] [stdout]     | ------------- methods in this implementation
[INFO] [stdout] 114 |     /// Assume that `self` is an `CodeExpr::Symbol` and return its name.
[INFO] [stdout] 115 |     pub fn symbol_name(&self) -> &ExternalName {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 123 |     pub fn result_type(&self, isa: &dyn TargetIsa) -> Type {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `i64`
[INFO] [stdout]    --> src/codeexpr.rs:157:39
[INFO] [stdout]     |
[INFO] [stdout] 157 |                 let offset_val: i64 = offset.into();
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]     = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 157 -                 let offset_val: i64 = offset.into();
[INFO] [stdout] 157 +                 let offset_val: i64 = offset;
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 157 -                 let offset_val: i64 = offset.into();
[INFO] [stdout] 157 +                 let offset_val: i64 = <i64 as Into<_>>::into(offset);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `codeexpr` (bin "codeexpr") due to 1 previous error; 4 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: variant `I64` is never constructed
[INFO] [stdout]   --> src/codeexpr.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub enum Type {
[INFO] [stdout]    |          ---- variant in this enum
[INFO] [stdout] 12 |     I32,
[INFO] [stdout] 13 |     I64,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Type` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `TargetIsa` is never used
[INFO] [stdout]   --> src/codeexpr.rs:18:11
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub trait TargetIsa {
[INFO] [stdout]    |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `IAddImm` and `Call` are never constructed
[INFO] [stdout]   --> src/codeexpr.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub enum CodeExpr {
[INFO] [stdout]    |          -------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 58 |     IAddImm {
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 90 |     Call {
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CodeExpr` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `symbol_name` and `result_type` are never used
[INFO] [stdout]    --> src/codeexpr.rs:115:12
[INFO] [stdout]     |
[INFO] [stdout] 113 | impl CodeExpr {
[INFO] [stdout]     | ------------- methods in this implementation
[INFO] [stdout] 114 |     /// Assume that `self` is an `CodeExpr::Symbol` and return its name.
[INFO] [stdout] 115 |     pub fn symbol_name(&self) -> &ExternalName {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 123 |     pub fn result_type(&self, isa: &dyn TargetIsa) -> Type {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `i64`
[INFO] [stdout]    --> src/codeexpr.rs:157:39
[INFO] [stdout]     |
[INFO] [stdout] 157 |                 let offset_val: i64 = offset.into();
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]     = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 157 -                 let offset_val: i64 = offset.into();
[INFO] [stdout] 157 +                 let offset_val: i64 = offset;
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 157 -                 let offset_val: i64 = offset.into();
[INFO] [stdout] 157 +                 let offset_val: i64 = <i64 as Into<_>>::into(offset);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `codeexpr` (bin "codeexpr" test) due to 1 previous error; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "f487215218842642b8570b89f93c433509b9fb9d973bde0d87d10a8e0cd3871e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f487215218842642b8570b89f93c433509b9fb9d973bde0d87d10a8e0cd3871e", kill_on_drop: false }`
[INFO] [stdout] f487215218842642b8570b89f93c433509b9fb9d973bde0d87d10a8e0cd3871e
