[INFO] cloning repository https://github.com/taiyoslime/bf-jit
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/taiyoslime/bf-jit" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaiyoslime%2Fbf-jit", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaiyoslime%2Fbf-jit'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9a913dc538dcd9c301b1b7a079fc4692fdb7af88
[INFO] checking taiyoslime/bf-jit against 36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6 for pr-160581
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaiyoslime%2Fbf-jit" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/taiyoslime/bf-jit
[INFO] finished tweaking git repo https://github.com/taiyoslime/bf-jit
[INFO] tweaked toml for git repo https://github.com/taiyoslime/bf-jit written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/taiyoslime/bf-jit on toolchain 36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/taiyoslime/bf-jit 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" "+36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded os_str_bytes v6.1.0
[INFO] [stderr]   Downloaded clap_lex v0.2.0
[INFO] [stderr]   Downloaded clap_derive v3.1.18
[INFO] [stderr]   Downloaded indexmap v1.8.2
[INFO] [stderr]   Downloaded unicode-ident v1.0.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.39
[INFO] [stderr]   Downloaded clap v3.1.18
[INFO] [stderr]   Downloaded syn v1.0.96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 4ce879b8e25df985dc10deb4b0d664fe11130652357238ce3b4c4719ec54a68d
[INFO] running `Command { std: "docker" "start" "4ce879b8e25df985dc10deb4b0d664fe11130652357238ce3b4c4719ec54a68d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ce879b8e25df985dc10deb4b0d664fe11130652357238ce3b4c4719ec54a68d", 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" "4ce879b8e25df985dc10deb4b0d664fe11130652357238ce3b4c4719ec54a68d" "/opt/rustwide/cargo-home/bin/cargo" "+36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ce879b8e25df985dc10deb4b0d664fe11130652357238ce3b4c4719ec54a68d", 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=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "4ce879b8e25df985dc10deb4b0d664fe11130652357238ce3b4c4719ec54a68d" "/opt/rustwide/cargo-home/bin/cargo" "+36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking os_str_bytes v6.1.0
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling indexmap v1.8.2
[INFO] [stderr]     Checking clap_lex v0.2.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling clap_derive v3.1.18
[INFO] [stderr]     Checking clap v3.1.18
[INFO] [stderr]     Checking bf_jit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `bytecodes`
[INFO] [stdout]    --> src/jit.rs:295:37
[INFO] [stdout]     |
[INFO] [stdout] 295 |     pub unsafe fn new_from_bytecode(bytecodes: &[Inst]) -> Self {
[INFO] [stdout]     |                                     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bytecodes`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `page`
[INFO] [stdout]    --> src/jit.rs:307:14
[INFO] [stdout]     |
[INFO] [stdout] 307 |     fn merge(page: MachineCodePage) {
[INFO] [stdout]     |              ^^^^ help: if this is intentional, prefix it with an underscore: `_page`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new_from_bytecode` and `merge` are never used
[INFO] [stdout]    --> src/jit.rs:295:19
[INFO] [stdout]     |
[INFO] [stdout] 275 | impl MachineCodePage {
[INFO] [stdout]     | -------------------- associated functions in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 295 |     pub unsafe fn new_from_bytecode(bytecodes: &[Inst]) -> Self {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 307 |     fn merge(page: MachineCodePage) {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `pages` is never read
[INFO] [stdout]    --> src/jit.rs:330:5
[INFO] [stdout]     |
[INFO] [stdout] 329 | pub struct JIT {
[INFO] [stdout]     |            --- field in this struct
[INFO] [stdout] 330 |     pages: BTreeMap<usize, (usize, MachineCodePage)>,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]    --> src/jit.rs:359:36
[INFO] [stdout]     |
[INFO] [stdout] 359 |         let abort_addr = jit_abort as usize;
[INFO] [stdout]     |                                    ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(function_casts_as_integer)]` on by default
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]     |
[INFO] [stdout] 359 |         let abort_addr = jit_abort as *const () as usize;
[INFO] [stdout]     |                                    ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]    --> src/jit.rs:366:34
[INFO] [stdout]     |
[INFO] [stdout] 366 |         let jit_io_addr = jit_io as usize;
[INFO] [stdout]     |                                  ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]     |
[INFO] [stdout] 366 |         let jit_io_addr = jit_io as *const () as usize;
[INFO] [stdout]     |                                  ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bytecodes`
[INFO] [stdout]    --> src/jit.rs:295:37
[INFO] [stdout]     |
[INFO] [stdout] 295 |     pub unsafe fn new_from_bytecode(bytecodes: &[Inst]) -> Self {
[INFO] [stdout]     |                                     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bytecodes`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `page`
[INFO] [stdout]    --> src/jit.rs:307:14
[INFO] [stdout]     |
[INFO] [stdout] 307 |     fn merge(page: MachineCodePage) {
[INFO] [stdout]     |              ^^^^ help: if this is intentional, prefix it with an underscore: `_page`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new_from_bytecode` and `merge` are never used
[INFO] [stdout]    --> src/jit.rs:295:19
[INFO] [stdout]     |
[INFO] [stdout] 275 | impl MachineCodePage {
[INFO] [stdout]     | -------------------- associated functions in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 295 |     pub unsafe fn new_from_bytecode(bytecodes: &[Inst]) -> Self {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 307 |     fn merge(page: MachineCodePage) {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `pages` is never read
[INFO] [stdout]    --> src/jit.rs:330:5
[INFO] [stdout]     |
[INFO] [stdout] 329 | pub struct JIT {
[INFO] [stdout]     |            --- field in this struct
[INFO] [stdout] 330 |     pages: BTreeMap<usize, (usize, MachineCodePage)>,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]    --> src/jit.rs:359:36
[INFO] [stdout]     |
[INFO] [stdout] 359 |         let abort_addr = jit_abort as usize;
[INFO] [stdout]     |                                    ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(function_casts_as_integer)]` on by default
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]     |
[INFO] [stdout] 359 |         let abort_addr = jit_abort as *const () as usize;
[INFO] [stdout]     |                                    ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]    --> src/jit.rs:366:34
[INFO] [stdout]     |
[INFO] [stdout] 366 |         let jit_io_addr = jit_io as usize;
[INFO] [stdout]     |                                  ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]     |
[INFO] [stdout] 366 |         let jit_io_addr = jit_io as *const () as usize;
[INFO] [stdout]     |                                  ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.06s
[INFO] running `Command { std: "docker" "inspect" "4ce879b8e25df985dc10deb4b0d664fe11130652357238ce3b4c4719ec54a68d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ce879b8e25df985dc10deb4b0d664fe11130652357238ce3b4c4719ec54a68d", kill_on_drop: false }`
[INFO] [stdout] 4ce879b8e25df985dc10deb4b0d664fe11130652357238ce3b4c4719ec54a68d
