[INFO] cloning repository https://github.com/dontpanic92/rainfuck
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dontpanic92/rainfuck" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdontpanic92%2Frainfuck", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdontpanic92%2Frainfuck'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 47158fd87b30e9e51ac86d5ff1c081fddef1cedb
[INFO] testing dontpanic92/rainfuck against master#61223975d46f794466efa832bc7562b9707ecc46+rustflags=-Copt-level=3 for pr-121282
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdontpanic92%2Frainfuck" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dontpanic92/rainfuck on toolchain 61223975d46f794466efa832bc7562b9707ecc46
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+61223975d46f794466efa832bc7562b9707ecc46" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dontpanic92/rainfuck
[INFO] finished tweaking git repo https://github.com/dontpanic92/rainfuck
[INFO] tweaked toml for git repo https://github.com/dontpanic92/rainfuck written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/dontpanic92/rainfuck 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" "+61223975d46f794466efa832bc7562b9707ecc46" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] testing dontpanic92/rainfuck against try#d073071d77ce0f93b4fd8cc567a1e2b9e1b22126+rustflags=-Copt-level=3 for pr-121282
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdontpanic92%2Frainfuck" "/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/dontpanic92/rainfuck on toolchain d073071d77ce0f93b4fd8cc567a1e2b9e1b22126
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d073071d77ce0f93b4fd8cc567a1e2b9e1b22126" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dontpanic92/rainfuck
[INFO] finished tweaking git repo https://github.com/dontpanic92/rainfuck
[INFO] tweaked toml for git repo https://github.com/dontpanic92/rainfuck written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/dontpanic92/rainfuck 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" "+d073071d77ce0f93b4fd8cc567a1e2b9e1b22126" "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 libc v0.2.4
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+d073071d77ce0f93b4fd8cc567a1e2b9e1b22126" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 916e9c0f083a21587af6bd5e3c6a4c09ce43b4d823a8f008608eee7aa8a6954c
[INFO] running `Command { std: "docker" "start" "-a" "916e9c0f083a21587af6bd5e3c6a4c09ce43b4d823a8f008608eee7aa8a6954c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "916e9c0f083a21587af6bd5e3c6a4c09ce43b4d823a8f008608eee7aa8a6954c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "916e9c0f083a21587af6bd5e3c6a4c09ce43b4d823a8f008608eee7aa8a6954c", kill_on_drop: false }`
[INFO] [stdout] 916e9c0f083a21587af6bd5e3c6a4c09ce43b4d823a8f008608eee7aa8a6954c
[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 -Copt-level=3" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+d073071d77ce0f93b4fd8cc567a1e2b9e1b22126" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0415735171bda053c77faa78f207e76bc56c187bd131f875b18abcd4e110c34f
[INFO] running `Command { std: "docker" "start" "-a" "0415735171bda053c77faa78f207e76bc56c187bd131f875b18abcd4e110c34f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.4
[INFO] [stderr]    Compiling rainfuck v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]  --> src/jit_compiler_x64.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std;
[INFO] [stdout]   |     ^^^ the item `std` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0591]: can't transmute zero-sized type
[INFO] [stdout]    --> src/jit_compiler_x64.rs:330:53
[INFO] [stdout]     |
[INFO] [stdout] 330 |         self.jit_code.emit_mov_ri(Reg::Rcx, unsafe {mem::transmute(putchar)});
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: source type: unsafe extern "C" fn(i32) -> i32 {jit_compiler_x64::putchar}
[INFO] [stdout]     = note: target type: u64
[INFO] [stdout]     = help: cast with `as` to a pointer instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0591]: can't transmute zero-sized type
[INFO] [stdout]    --> src/jit_compiler_x64.rs:332:53
[INFO] [stdout]     |
[INFO] [stdout] 332 |         self.jit_code.emit_mov_ri(Reg::Rcx, unsafe {mem::transmute(libc::fflush)});
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: source type: unsafe extern "C" fn(*mut FILE) -> i32 {fflush}
[INFO] [stdout]     = note: target type: u64
[INFO] [stdout]     = help: cast with `as` to a pointer instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0591]: can't transmute zero-sized type
[INFO] [stdout]    --> src/jit_compiler_x64.rs:341:53
[INFO] [stdout]     |
[INFO] [stdout] 341 |         self.jit_code.emit_mov_ri(Reg::Rcx, unsafe {mem::transmute(test)});
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: source type: extern "C" fn(i64) {test}
[INFO] [stdout]     = note: target type: u64
[INFO] [stdout]     = help: cast with `as` to a pointer instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0591]: can't transmute zero-sized type
[INFO] [stdout]    --> src/jit_compiler_x64.rs:349:53
[INFO] [stdout]     |
[INFO] [stdout] 349 |         self.jit_code.emit_mov_ri(Reg::Rcx, unsafe {mem::transmute(_getchar)});
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: source type: extern "C" fn() -> i32 {_getchar}
[INFO] [stdout]     = note: target type: u64
[INFO] [stdout]     = help: cast with `as` to a pointer instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0591`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rainfuck` (bin "rainfuck") due to 5 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "0415735171bda053c77faa78f207e76bc56c187bd131f875b18abcd4e110c34f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0415735171bda053c77faa78f207e76bc56c187bd131f875b18abcd4e110c34f", kill_on_drop: false }`
[INFO] [stdout] 0415735171bda053c77faa78f207e76bc56c187bd131f875b18abcd4e110c34f