[INFO] cloning repository https://github.com/hanmindev/blastfurnace-workspaces
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hanmindev/blastfurnace-workspaces" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhanmindev%2Fblastfurnace-workspaces", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhanmindev%2Fblastfurnace-workspaces'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 44598bf95838b1f8db26338a13bb9adcc0662ecb
[INFO] checking hanmindev/blastfurnace-workspaces against try#35b6491ce6d2b388d0a5de1e59e2123604af807f for pr-136539
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhanmindev%2Fblastfurnace-workspaces" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hanmindev/blastfurnace-workspaces on toolchain 35b6491ce6d2b388d0a5de1e59e2123604af807f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+35b6491ce6d2b388d0a5de1e59e2123604af807f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hanmindev/blastfurnace-workspaces
[INFO] finished tweaking git repo https://github.com/hanmindev/blastfurnace-workspaces
[INFO] tweaked toml for git repo https://github.com/hanmindev/blastfurnace-workspaces written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/hanmindev/blastfurnace-workspaces 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" "+35b6491ce6d2b388d0a5de1e59e2123604af807f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+35b6491ce6d2b388d0a5de1e59e2123604af807f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 31a9b0970a38a2e2aab4b247a2aab6d49d3ac126958f51b4039bf70fac6e7134
[INFO] running `Command { std: "docker" "start" "-a" "31a9b0970a38a2e2aab4b247a2aab6d49d3ac126958f51b4039bf70fac6e7134", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31a9b0970a38a2e2aab4b247a2aab6d49d3ac126958f51b4039bf70fac6e7134", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31a9b0970a38a2e2aab4b247a2aab6d49d3ac126958f51b4039bf70fac6e7134", kill_on_drop: false }`
[INFO] [stdout] 31a9b0970a38a2e2aab4b247a2aab6d49d3ac126958f51b4039bf70fac6e7134
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+35b6491ce6d2b388d0a5de1e59e2123604af807f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5a83ebdc9bba03128c298d2ec55985d68a0797774bd19966fded39a3204690f8
[INFO] running `Command { std: "docker" "start" "-a" "5a83ebdc9bba03128c298d2ec55985d68a0797774bd19966fded39a3204690f8", kill_on_drop: false }`
[INFO] [stderr]     Checking blastf_name v0.1.0 (/opt/rustwide/workdir/compiler/blastf_name)
[INFO] [stderr]     Checking blastfurnace-workspaces v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking blastf_ast v0.1.0 (/opt/rustwide/workdir/compiler/blastf_ast)
[INFO] [stderr]     Checking blastf_hmasm v0.1.0 (/opt/rustwide/workdir/compiler/blastf_hmasm)
[INFO] [stdout] error[E0596]: cannot borrow data in an `Rc` as mutable
[INFO] [stdout]    --> compiler/blastf_ast/src/visitor.rs:140:13
[INFO] [stdout]     |
[INFO] [stdout] 140 |             self.ty.visit(visitor)?;
[INFO] [stdout]     |             ^^^^^^^ cannot borrow as mutable
[INFO] [stdout]     |
[INFO] [stdout]     = help: trait `DerefMut` is required to modify through a dereference, but it is not implemented for `Rc<ast::Ty>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow data in an `Rc` as mutable
[INFO] [stdout]    --> compiler/blastf_ast/src/visitor.rs:152:17
[INFO] [stdout]     |
[INFO] [stdout] 152 |                 body.visit(visitor)?;
[INFO] [stdout]     |                 ^^^^ cannot borrow as mutable
[INFO] [stdout]     |
[INFO] [stdout]     = help: trait `DerefMut` is required to modify through a dereference, but it is not implemented for `Rc<ast::Block>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow data in an `Rc` as mutable
[INFO] [stdout]    --> compiler/blastf_ast/src/visitor.rs:140:13
[INFO] [stdout]     |
[INFO] [stdout] 140 |             self.ty.visit(visitor)?;
[INFO] [stdout]     |             ^^^^^^^ cannot borrow as mutable
[INFO] [stdout]     |
[INFO] [stdout]     = help: trait `DerefMut` is required to modify through a dereference, but it is not implemented for `Rc<ast::Ty>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow data in an `Rc` as mutable
[INFO] [stdout]    --> compiler/blastf_ast/src/visitor.rs:152:17
[INFO] [stdout]     |
[INFO] [stdout] 152 |                 body.visit(visitor)?;
[INFO] [stdout]     |                 ^^^^ cannot borrow as mutable
[INFO] [stdout]     |
[INFO] [stdout]     = help: trait `DerefMut` is required to modify through a dereference, but it is not implemented for `Rc<ast::Block>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow data in an `Rc` as mutable
[INFO] [stdout]    --> compiler/blastf_ast/src/visitor.rs:164:13
[INFO] [stdout]     |
[INFO] [stdout] 164 |             self.decl.visit(visitor)?;
[INFO] [stdout]     |             ^^^^^^^^^ cannot borrow as mutable
[INFO] [stdout]     |
[INFO] [stdout]     = help: trait `DerefMut` is required to modify through a dereference, but it is not implemented for `Rc<ast::FnDecl>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow data in an `Rc` as mutable
[INFO] [stdout]    --> compiler/blastf_ast/src/visitor.rs:164:13
[INFO] [stdout]     |
[INFO] [stdout] 164 |             self.decl.visit(visitor)?;
[INFO] [stdout]     |             ^^^^^^^^^ cannot borrow as mutable
[INFO] [stdout]     |
[INFO] [stdout]     = help: trait `DerefMut` is required to modify through a dereference, but it is not implemented for `Rc<ast::FnDecl>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow data in an `Rc` as mutable
[INFO] [stdout]    --> compiler/blastf_ast/src/visitor.rs:192:13
[INFO] [stdout]     |
[INFO] [stdout] 192 |             self.ty.visit(visitor)?;
[INFO] [stdout]     |             ^^^^^^^ cannot borrow as mutable
[INFO] [stdout]     |
[INFO] [stdout]     = help: trait `DerefMut` is required to modify through a dereference, but it is not implemented for `Rc<ast::Ty>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow data in an `Rc` as mutable
[INFO] [stdout]    --> compiler/blastf_ast/src/visitor.rs:192:13
[INFO] [stdout]     |
[INFO] [stdout] 192 |             self.ty.visit(visitor)?;
[INFO] [stdout]     |             ^^^^^^^ cannot borrow as mutable
[INFO] [stdout]     |
[INFO] [stdout]     = help: trait `DerefMut` is required to modify through a dereference, but it is not implemented for `Rc<ast::Ty>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow data in an `Rc` as mutable
[INFO] [stdout]    --> compiler/blastf_ast/src/visitor.rs:238:50
[INFO] [stdout]     |
[INFO] [stdout] 238 |                 StatementKind::Let(ref mut l) => l.visit(visitor)?,
[INFO] [stdout]     |                                                  ^ cannot borrow as mutable
[INFO] [stdout]     |
[INFO] [stdout]     = help: trait `DerefMut` is required to modify through a dereference, but it is not implemented for `Rc<ast::LocalBind>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow data in an `Rc` as mutable
[INFO] [stdout]    --> compiler/blastf_ast/src/visitor.rs:239:50
[INFO] [stdout]     |
[INFO] [stdout] 239 |                 StatementKind::Def(ref mut d) => d.visit(visitor)?,
[INFO] [stdout]     |                                                  ^ cannot borrow as mutable
[INFO] [stdout]     |
[INFO] [stdout]     = help: trait `DerefMut` is required to modify through a dereference, but it is not implemented for `Rc<ast::Definition>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow data in an `Rc` as mutable
[INFO] [stdout]    --> compiler/blastf_ast/src/visitor.rs:240:51
[INFO] [stdout]     |
[INFO] [stdout] 240 |                 StatementKind::Expr(ref mut e) => e.visit(visitor)?,
[INFO] [stdout]     |                                                   ^ cannot borrow as mutable
[INFO] [stdout]     |
[INFO] [stdout]     = help: trait `DerefMut` is required to modify through a dereference, but it is not implemented for `Rc<ast::Expr>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow data in an `Rc` as mutable
[INFO] [stdout]    --> compiler/blastf_ast/src/visitor.rs:238:50
[INFO] [stdout]     |
[INFO] [stdout] 238 |                 StatementKind::Let(ref mut l) => l.visit(visitor)?,
[INFO] [stdout]     |                                                  ^ cannot borrow as mutable
[INFO] [stdout]     |
[INFO] [stdout]     = help: trait `DerefMut` is required to modify through a dereference, but it is not implemented for `Rc<ast::LocalBind>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow data in an `Rc` as mutable
[INFO] [stdout]    --> compiler/blastf_ast/src/visitor.rs:239:50
[INFO] [stdout]     |
[INFO] [stdout] 239 |                 StatementKind::Def(ref mut d) => d.visit(visitor)?,
[INFO] [stdout]     |                                                  ^ cannot borrow as mutable
[INFO] [stdout]     |
[INFO] [stdout]     = help: trait `DerefMut` is required to modify through a dereference, but it is not implemented for `Rc<ast::Definition>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0596`.
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow data in an `Rc` as mutable
[INFO] [stdout]    --> compiler/blastf_ast/src/visitor.rs:240:51
[INFO] [stdout]     |
[INFO] [stdout] 240 |                 StatementKind::Expr(ref mut e) => e.visit(visitor)?,
[INFO] [stdout]     |                                                   ^ cannot borrow as mutable
[INFO] [stdout]     |
[INFO] [stdout]     = help: trait `DerefMut` is required to modify through a dereference, but it is not implemented for `Rc<ast::Expr>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0596`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `blastf_ast` (lib) due to 7 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `blastf_ast` (lib test) due to 7 previous errors
[INFO] running `Command { std: "docker" "inspect" "5a83ebdc9bba03128c298d2ec55985d68a0797774bd19966fded39a3204690f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a83ebdc9bba03128c298d2ec55985d68a0797774bd19966fded39a3204690f8", kill_on_drop: false }`
[INFO] [stdout] 5a83ebdc9bba03128c298d2ec55985d68a0797774bd19966fded39a3204690f8