[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] testing sunfishcode/codeexpr against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsunfishcode%2Fcodeexpr" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-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-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sunfishcode/codeexpr on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6f0cc4fc4a4f08ef99a955425ad8bc62f542dd95aa22262b8dbdb5cf32617d9c
[INFO] running `Command { std: "docker" "start" "-a" "6f0cc4fc4a4f08ef99a955425ad8bc62f542dd95aa22262b8dbdb5cf32617d9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f0cc4fc4a4f08ef99a955425ad8bc62f542dd95aa22262b8dbdb5cf32617d9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f0cc4fc4a4f08ef99a955425ad8bc62f542dd95aa22262b8dbdb5cf32617d9c", kill_on_drop: false }`
[INFO] [stdout] 6f0cc4fc4a4f08ef99a955425ad8bc62f542dd95aa22262b8dbdb5cf32617d9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1603807c5f9c24000a7059847f8871b13a8bad3a7df0b57094a25e07374ee2dc
[INFO] running `Command { std: "docker" "start" "-a" "1603807c5f9c24000a7059847f8871b13a8bad3a7df0b57094a25e07374ee2dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "1603807c5f9c24000a7059847f8871b13a8bad3a7df0b57094a25e07374ee2dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1603807c5f9c24000a7059847f8871b13a8bad3a7df0b57094a25e07374ee2dc", kill_on_drop: false }`
[INFO] [stdout] 1603807c5f9c24000a7059847f8871b13a8bad3a7df0b57094a25e07374ee2dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dcb7d20f50a42e34022a38bf571787bf9180811e49ebab8b4fd821c5970d3cf4
[INFO] running `Command { std: "docker" "start" "-a" "dcb7d20f50a42e34022a38bf571787bf9180811e49ebab8b4fd821c5970d3cf4", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "dcb7d20f50a42e34022a38bf571787bf9180811e49ebab8b4fd821c5970d3cf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcb7d20f50a42e34022a38bf571787bf9180811e49ebab8b4fd821c5970d3cf4", kill_on_drop: false }`
[INFO] [stdout] dcb7d20f50a42e34022a38bf571787bf9180811e49ebab8b4fd821c5970d3cf4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 904837152f9a05899612f1ff6a368f60fcd9432c9d634f227146e38eaa79472e
[INFO] running `Command { std: "docker" "start" "-a" "904837152f9a05899612f1ff6a368f60fcd9432c9d634f227146e38eaa79472e", kill_on_drop: false }`
[INFO] [stderr] warning: variant `I64` is never constructed
[INFO] [stderr]   --> src/codeexpr.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub enum Type {
[INFO] [stderr]    |          ---- variant in this enum
[INFO] [stderr] 12 |     I32,
[INFO] [stderr] 13 |     I64,
[INFO] [stderr]    |     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Type` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait `TargetIsa` is never used
[INFO] [stderr]   --> src/codeexpr.rs:18:11
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub trait TargetIsa {
[INFO] [stderr]    |           ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variants `IAddImm` and `Call` are never constructed
[INFO] [stderr]   --> src/codeexpr.rs:58:5
[INFO] [stderr]    |
[INFO] [stderr] 33 | pub enum CodeExpr {
[INFO] [stderr]    |          -------- variants in this enum
[INFO] [stderr] ...
[INFO] [stderr] 58 |     IAddImm {
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 90 |     Call {
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `CodeExpr` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: methods `symbol_name` and `result_type` are never used
[INFO] [stderr]    --> src/codeexpr.rs:115:12
[INFO] [stderr]     |
[INFO] [stderr] 113 | impl CodeExpr {
[INFO] [stderr]     | ------------- methods in this implementation
[INFO] [stderr] 114 |     /// Assume that `self` is an `CodeExpr::Symbol` and return its name.
[INFO] [stderr] 115 |     pub fn symbol_name(&self) -> &ExternalName {
[INFO] [stderr]     |            ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 123 |     pub fn result_type(&self, isa: &dyn TargetIsa) -> Type {
[INFO] [stderr]     |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `codeexpr` (bin "codeexpr" test) generated 4 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/codeexpr-daf65b59054347b5)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "904837152f9a05899612f1ff6a368f60fcd9432c9d634f227146e38eaa79472e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "904837152f9a05899612f1ff6a368f60fcd9432c9d634f227146e38eaa79472e", kill_on_drop: false }`
[INFO] [stdout] 904837152f9a05899612f1ff6a368f60fcd9432c9d634f227146e38eaa79472e