[INFO] cloning repository https://github.com/LordGoatius/riscv-superscalar
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LordGoatius/riscv-superscalar" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLordGoatius%2Friscv-superscalar", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLordGoatius%2Friscv-superscalar'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] df7f4c23b90236891faeb993c1ddf1f26f6941e2
[INFO] fixing LordGoatius/riscv-superscalar against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=start=2015 for pr-157817-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLordGoatius%2Friscv-superscalar" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/LordGoatius/riscv-superscalar
[INFO] finished tweaking git repo https://github.com/LordGoatius/riscv-superscalar
[INFO] tweaked toml for git repo https://github.com/LordGoatius/riscv-superscalar written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/LordGoatius/riscv-superscalar on toolchain 622891a4e29178280638a6b63a8908bde2c0c854
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/LordGoatius/riscv-superscalar 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" "+622891a4e29178280638a6b63a8908bde2c0c854" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 033e49ceb4723ec52a2b7649a61a6c40fd801a8dd0db0f79281b08ec9a750dfc
[INFO] running `Command { std: "docker" "start" "033e49ceb4723ec52a2b7649a61a6c40fd801a8dd0db0f79281b08ec9a750dfc", 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" "033e49ceb4723ec52a2b7649a61a6c40fd801a8dd0db0f79281b08ec9a750dfc" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "033e49ceb4723ec52a2b7649a61a6c40fd801a8dd0db0f79281b08ec9a750dfc", 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=" "-e" "RUSTDOCFLAGS=" "-w" "/opt/rustwide/workdir" "--user" "0:0" "033e49ceb4723ec52a2b7649a61a6c40fd801a8dd0db0f79281b08ec9a750dfc" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=start=2015", kill_on_drop: false }`
[INFO] [stderr]     Checking jiscv v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0583]: file not found for module `csr`
[INFO] [stdout]  --> src/tailcall/mod.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub mod csr;
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: to create the module `csr`, create file "src/tailcall/csr.rs" or "src/tailcall/csr/mod.rs"
[INFO] [stdout]   = note: if there is a `mod csr` elsewhere in the crate already, import it with `use crate::...` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0583]: file not found for module `csr`
[INFO] [stdout]  --> src/tailcall/mod.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub mod csr;
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: to create the module `csr`, create file "src/tailcall/csr.rs" or "src/tailcall/csr/mod.rs"
[INFO] [stdout]   = note: if there is a `mod csr` elsewhere in the crate already, import it with `use crate::...` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `explicit_tail_calls` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]  --> src/lib.rs:1:43
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(feature = "tailcall", feature(explicit_tail_calls))]
[INFO] [stdout]   |                                           ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #112788 <https://github.com/rust-lang/rust/issues/112788> for more information
[INFO] [stdout]   = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `explicit_tail_calls` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]  --> src/lib.rs:1:43
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(feature = "tailcall", feature(explicit_tail_calls))]
[INFO] [stdout]   |                                           ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #112788 <https://github.com/rust-lang/rust/issues/112788> for more information
[INFO] [stdout]   = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/tailcall/dispatch.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 |         Err(err) => todo!(),
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/tailcall/dispatch.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |         Err(err) => todo!(),
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/tailcall/dispatch.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 |         Err(err) => todo!(),
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/tailcall/dispatch.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |         Err(err) => todo!(),
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `machine`
[INFO] [stdout]    --> src/tailcall/dispatch.rs:176:10
[INFO] [stdout]     |
[INFO] [stdout] 176 | fn ecall(machine: &mut Machine, instr: RV32I, pc: Pc) -> MachineResult {
[INFO] [stdout]     |          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_machine`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `instr`
[INFO] [stdout]    --> src/tailcall/dispatch.rs:176:33
[INFO] [stdout]     |
[INFO] [stdout] 176 | fn ecall(machine: &mut Machine, instr: RV32I, pc: Pc) -> MachineResult {
[INFO] [stdout]     |                                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_instr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `machine`
[INFO] [stdout]    --> src/tailcall/dispatch.rs:180:11
[INFO] [stdout]     |
[INFO] [stdout] 180 | fn ebreak(machine: &mut Machine, instr: RV32I, pc: Pc) -> MachineResult {
[INFO] [stdout]     |           ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_machine`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `instr`
[INFO] [stdout]    --> src/tailcall/dispatch.rs:180:34
[INFO] [stdout]     |
[INFO] [stdout] 180 | fn ebreak(machine: &mut Machine, instr: RV32I, pc: Pc) -> MachineResult {
[INFO] [stdout]     |                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_instr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `machine`
[INFO] [stdout]    --> src/tailcall/dispatch.rs:176:10
[INFO] [stdout]     |
[INFO] [stdout] 176 | fn ecall(machine: &mut Machine, instr: RV32I, pc: Pc) -> MachineResult {
[INFO] [stdout]     |          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_machine`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `instr`
[INFO] [stdout]    --> src/tailcall/dispatch.rs:176:33
[INFO] [stdout]     |
[INFO] [stdout] 176 | fn ecall(machine: &mut Machine, instr: RV32I, pc: Pc) -> MachineResult {
[INFO] [stdout]     |                                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_instr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `machine`
[INFO] [stdout]    --> src/tailcall/dispatch.rs:180:11
[INFO] [stdout]     |
[INFO] [stdout] 180 | fn ebreak(machine: &mut Machine, instr: RV32I, pc: Pc) -> MachineResult {
[INFO] [stdout]     |           ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_machine`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `instr`
[INFO] [stdout]    --> src/tailcall/dispatch.rs:180:34
[INFO] [stdout]     |
[INFO] [stdout] 180 | fn ebreak(machine: &mut Machine, instr: RV32I, pc: Pc) -> MachineResult {
[INFO] [stdout]     |                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_instr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pc`
[INFO] [stdout]   --> src/tailcall/mod.rs:39:24
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn next(&mut self, pc: Pc) -> Result<RV32I, Exception> {
[INFO] [stdout]    |                        ^^ help: if this is intentional, prefix it with an underscore: `_pc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pc`
[INFO] [stdout]   --> src/tailcall/mod.rs:39:24
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn next(&mut self, pc: Pc) -> Result<RV32I, Exception> {
[INFO] [stdout]    |                        ^^ help: if this is intentional, prefix it with an underscore: `_pc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pc`
[INFO] [stdout]    --> src/tailcall/mod.rs:234:26
[INFO] [stdout]     |
[INFO] [stdout] 234 |     fn ecall (&mut self, pc: Pc) -> MachineResult { todo!() }
[INFO] [stdout]     |                          ^^ help: if this is intentional, prefix it with an underscore: `_pc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pc`
[INFO] [stdout]    --> src/tailcall/mod.rs:235:26
[INFO] [stdout]     |
[INFO] [stdout] 235 |     fn ebreak(&mut self, pc: Pc) -> MachineResult { todo!() }
[INFO] [stdout]     |                          ^^ help: if this is intentional, prefix it with an underscore: `_pc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pc`
[INFO] [stdout]    --> src/tailcall/mod.rs:234:26
[INFO] [stdout]     |
[INFO] [stdout] 234 |     fn ecall (&mut self, pc: Pc) -> MachineResult { todo!() }
[INFO] [stdout]     |                          ^^ help: if this is intentional, prefix it with an underscore: `_pc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pc`
[INFO] [stdout]    --> src/tailcall/mod.rs:235:26
[INFO] [stdout]     |
[INFO] [stdout] 235 |     fn ebreak(&mut self, pc: Pc) -> MachineResult { todo!() }
[INFO] [stdout]     |                          ^^ help: if this is intentional, prefix it with an underscore: `_pc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0583`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0583`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `jiscv` (lib test) due to 1 previous error; 10 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `jiscv` (lib) due to 1 previous error; 10 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "033e49ceb4723ec52a2b7649a61a6c40fd801a8dd0db0f79281b08ec9a750dfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "033e49ceb4723ec52a2b7649a61a6c40fd801a8dd0db0f79281b08ec9a750dfc", kill_on_drop: false }`
[INFO] [stdout] 033e49ceb4723ec52a2b7649a61a6c40fd801a8dd0db0f79281b08ec9a750dfc
