[INFO] cloning repository https://github.com/HKalbasi/tc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/HKalbasi/tc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHKalbasi%2Ftc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHKalbasi%2Ftc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7477207f952c0dfbb9c8b12d4bd7c56d0346f373
[INFO] checking HKalbasi/tc against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHKalbasi%2Ftc" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-0-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/HKalbasi/tc
[INFO] finished tweaking git repo https://github.com/HKalbasi/tc
[INFO] tweaked toml for git repo https://github.com/HKalbasi/tc written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/HKalbasi/tc on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/HKalbasi/tc 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded llvm-sys v170.0.1
[INFO] [stderr]   Downloaded llvm-ir v0.11.0
[INFO] [stderr]   Downloaded regex-lite v0.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 01562e5d538ae9de9edcb0bb9e26a41db0d8a7cfaf14c44ceb7a522037313e36
[INFO] running `Command { std: "docker" "start" "-a" "01562e5d538ae9de9edcb0bb9e26a41db0d8a7cfaf14c44ceb7a522037313e36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "01562e5d538ae9de9edcb0bb9e26a41db0d8a7cfaf14c44ceb7a522037313e36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01562e5d538ae9de9edcb0bb9e26a41db0d8a7cfaf14c44ceb7a522037313e36", kill_on_drop: false }`
[INFO] [stdout] 01562e5d538ae9de9edcb0bb9e26a41db0d8a7cfaf14c44ceb7a522037313e36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b20edbfc7e8ff54467fcf9c952f443d57467a13d1392c35fcf2f38836185c0b5
[INFO] running `Command { std: "docker" "start" "-a" "b20edbfc7e8ff54467fcf9c952f443d57467a13d1392c35fcf2f38836185c0b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.22
[INFO] [stderr]    Compiling anyhow v1.0.82
[INFO] [stderr]    Compiling regex-lite v0.1.5
[INFO] [stderr]    Compiling cc v1.0.94
[INFO] [stderr]    Compiling llvm-ir v0.11.0
[INFO] [stderr]     Checking either v1.11.0
[INFO] [stderr]     Checking pretty v0.12.3
[INFO] [stderr]    Compiling llvm-sys v170.0.1
[INFO] [stderr]     Checking llvm-transform-checker v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `os::unix::process::CommandExt`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     os::unix::process::CommandExt,
[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 imports: `BinaryOp`, `Terminator`, and `types::Typed`
[INFO] [stdout]   --> src/main.rs:12:19
[INFO] [stdout]    |
[INFO] [stdout] 12 |     instruction::{BinaryOp, Call},
[INFO] [stdout]    |                   ^^^^^^^^
[INFO] [stdout] 13 |     types::Typed,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 14 |     Function, Module, Operand, Terminator,
[INFO] [stdout]    |                                ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `if_then_else`
[INFO] [stdout]   --> src/main.rs:17:72
[INFO] [stdout]    |
[INFO] [stdout] 17 | use z3_decl::{bit_to_byte, bv_hex, bv_ty, declare_const, define_const, if_then_else, memory_ty};
[INFO] [stdout]    |                                                                        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `os::unix::process::CommandExt`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     os::unix::process::CommandExt,
[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 imports: `BinaryOp`, `Terminator`, and `types::Typed`
[INFO] [stdout]   --> src/main.rs:12:19
[INFO] [stdout]    |
[INFO] [stdout] 12 |     instruction::{BinaryOp, Call},
[INFO] [stdout]    |                   ^^^^^^^^
[INFO] [stdout] 13 |     types::Typed,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 14 |     Function, Module, Operand, Terminator,
[INFO] [stdout]    |                                ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `if_then_else`
[INFO] [stdout]   --> src/main.rs:17:72
[INFO] [stdout]    |
[INFO] [stdout] 17 | use z3_decl::{bit_to_byte, bv_hex, bv_ty, declare_const, define_const, if_then_else, memory_ty};
[INFO] [stdout]    |                                                                        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `borrow::BorrowMut`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     borrow::BorrowMut,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `borrow::BorrowMut`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     borrow::BorrowMut,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/z3_decl.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let mut r = format!("{:x}", arg);
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/z3_decl.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let mut r = format!("{:x}", arg);
[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: `left_bb`
[INFO] [stdout]   --> src/main.rs:94:9
[INFO] [stdout]    |
[INFO] [stdout] 94 |         left_bb: usize,
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_left_bb`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `right_bb`
[INFO] [stdout]   --> src/main.rs:95:9
[INFO] [stdout]    |
[INFO] [stdout] 95 |         right_bb: usize,
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_right_bb`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/main.rs:322:46
[INFO] [stdout]     |
[INFO] [stdout] 322 |             llvm_ir::Operand::LocalOperand { name, ty } => self.size_of_ty(ty),
[INFO] [stdout]     |                                              ^^^^ help: try ignoring the field: `name: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/main.rs:324:49
[INFO] [stdout]     |
[INFO] [stdout] 324 |                 &llvm_ir::Constant::Int { bits, value } => bit_to_byte(bits as usize),
[INFO] [stdout]     |                                                 ^^^^^ help: try ignoring the field: `value: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `left_bb`
[INFO] [stdout]   --> src/main.rs:94:9
[INFO] [stdout]    |
[INFO] [stdout] 94 |         left_bb: usize,
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_left_bb`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `right_bb`
[INFO] [stdout]   --> src/main.rs:95:9
[INFO] [stdout]    |
[INFO] [stdout] 95 |         right_bb: usize,
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_right_bb`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/main.rs:322:46
[INFO] [stdout]     |
[INFO] [stdout] 322 |             llvm_ir::Operand::LocalOperand { name, ty } => self.size_of_ty(ty),
[INFO] [stdout]     |                                              ^^^^ help: try ignoring the field: `name: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/main.rs:324:49
[INFO] [stdout]     |
[INFO] [stdout] 324 |                 &llvm_ir::Constant::Int { bits, value } => bit_to_byte(bits as usize),
[INFO] [stdout]     |                                                 ^^^^^ help: try ignoring the field: `value: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_single_line` is never used
[INFO] [stdout]   --> src/sexp.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 31 | impl Sexp {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 48 |     pub fn to_single_line(self) -> String {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/sexp.rs:11:19
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn to_doc(&self) -> RcDoc<()> {
[INFO] [stdout]    |                   ^^^^^     ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn to_doc(&self) -> RcDoc<'_, ()> {
[INFO] [stdout]    |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_single_line` is never used
[INFO] [stdout]   --> src/sexp.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 31 | impl Sexp {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 48 |     pub fn to_single_line(self) -> String {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/sexp.rs:11:19
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn to_doc(&self) -> RcDoc<()> {
[INFO] [stdout]    |                   ^^^^^     ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn to_doc(&self) -> RcDoc<'_, ()> {
[INFO] [stdout]    |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.97s
[INFO] running `Command { std: "docker" "inspect" "b20edbfc7e8ff54467fcf9c952f443d57467a13d1392c35fcf2f38836185c0b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b20edbfc7e8ff54467fcf9c952f443d57467a13d1392c35fcf2f38836185c0b5", kill_on_drop: false }`
[INFO] [stdout] b20edbfc7e8ff54467fcf9c952f443d57467a13d1392c35fcf2f38836185c0b5
