[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 try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsunfishcode%2Fcodeexpr" "/workspace/builds/worker-45/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-45/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sunfishcode/codeexpr on toolchain 39e1293fce4b650061e85dda88aa428f726a8444
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-45/source/Cargo.toml
[INFO] crate git repo https://github.com/sunfishcode/codeexpr already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "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-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 36789ad5536effd5dd090e91f4eef80abcf286df636d3e637d9e19164df81789
[INFO] running `Command { std: "docker" "start" "-a" "36789ad5536effd5dd090e91f4eef80abcf286df636d3e637d9e19164df81789", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "36789ad5536effd5dd090e91f4eef80abcf286df636d3e637d9e19164df81789", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36789ad5536effd5dd090e91f4eef80abcf286df636d3e637d9e19164df81789", kill_on_drop: false }`
[INFO] [stdout] 36789ad5536effd5dd090e91f4eef80abcf286df636d3e637d9e19164df81789
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d24f7111ba56308e941254be73bfc710a0949270d856f5b97615546b2a475d2e
[INFO] running `Command { std: "docker" "start" "-a" "d24f7111ba56308e941254be73bfc710a0949270d856f5b97615546b2a475d2e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking codeexpr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `I64`
[INFO] [stdout]   --> src/codeexpr.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     I64,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `IAddImm`
[INFO] [stdout]   --> src/codeexpr.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 58 | /     IAddImm {
[INFO] [stdout] 59 | |         /// The base value.
[INFO] [stdout] 60 | |         base: Rc<CodeExpr>,
[INFO] [stdout] 61 | |
[INFO] [stdout] ...  |
[INFO] [stdout] 66 | |         result_type: Type,
[INFO] [stdout] 67 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Call`
[INFO] [stdout]    --> src/codeexpr.rs:90:5
[INFO] [stdout]     |
[INFO] [stdout] 90  | /     Call {
[INFO] [stdout] 91  | |         /// The expression to call. May be a `Symbol` for a direct call, or
[INFO] [stdout] 92  | |         /// other kinds of expression for indirect calls.
[INFO] [stdout] 93  | |         callee: Rc<CodeExpr>,
[INFO] [stdout] ...   |
[INFO] [stdout] 99  | |         result_type: Type,
[INFO] [stdout] 100 | |     },
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `symbol_name`
[INFO] [stdout]    --> src/codeexpr.rs:115:12
[INFO] [stdout]     |
[INFO] [stdout] 115 |     pub fn symbol_name(&self) -> &ExternalName {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `result_type`
[INFO] [stdout]    --> src/codeexpr.rs:123:12
[INFO] [stdout]     |
[INFO] [stdout] 123 |     pub fn result_type(&self, isa: &dyn TargetIsa) -> Type {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `I64`
[INFO] [stdout]   --> src/codeexpr.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     I64,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `IAddImm`
[INFO] [stdout]   --> src/codeexpr.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 58 | /     IAddImm {
[INFO] [stdout] 59 | |         /// The base value.
[INFO] [stdout] 60 | |         base: Rc<CodeExpr>,
[INFO] [stdout] 61 | |
[INFO] [stdout] ...  |
[INFO] [stdout] 66 | |         result_type: Type,
[INFO] [stdout] 67 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Call`
[INFO] [stdout]    --> src/codeexpr.rs:90:5
[INFO] [stdout]     |
[INFO] [stdout] 90  | /     Call {
[INFO] [stdout] 91  | |         /// The expression to call. May be a `Symbol` for a direct call, or
[INFO] [stdout] 92  | |         /// other kinds of expression for indirect calls.
[INFO] [stdout] 93  | |         callee: Rc<CodeExpr>,
[INFO] [stdout] ...   |
[INFO] [stdout] 99  | |         result_type: Type,
[INFO] [stdout] 100 | |     },
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `symbol_name`
[INFO] [stdout]    --> src/codeexpr.rs:115:12
[INFO] [stdout]     |
[INFO] [stdout] 115 |     pub fn symbol_name(&self) -> &ExternalName {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `result_type`
[INFO] [stdout]    --> src/codeexpr.rs:123:12
[INFO] [stdout]     |
[INFO] [stdout] 123 |     pub fn result_type(&self, isa: &dyn TargetIsa) -> Type {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "d24f7111ba56308e941254be73bfc710a0949270d856f5b97615546b2a475d2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d24f7111ba56308e941254be73bfc710a0949270d856f5b97615546b2a475d2e", kill_on_drop: false }`
[INFO] [stdout] d24f7111ba56308e941254be73bfc710a0949270d856f5b97615546b2a475d2e