[INFO] cloning repository https://github.com/jam1garner/msc-jit
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jam1garner/msc-jit" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjam1garner%2Fmsc-jit", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjam1garner%2Fmsc-jit'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1aa66ac40446b2ceba1146800dcfc02ef2c06847
[INFO] checking jam1garner/msc-jit against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjam1garner%2Fmsc-jit" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jam1garner/msc-jit on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jam1garner/msc-jit
[INFO] removed path dependency x86asm from git repo https://github.com/jam1garner/msc-jit
[INFO] finished tweaking git repo https://github.com/jam1garner/msc-jit
[INFO] tweaked toml for git repo https://github.com/jam1garner/msc-jit written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/jam1garner/msc-jit already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (x86asm) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-6/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (x86asm) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9a68588f503191da3a6e79febb58749c59b452a7fcf86deadaaa2fa89c823feb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9a68588f503191da3a6e79febb58749c59b452a7fcf86deadaaa2fa89c823feb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a68588f503191da3a6e79febb58749c59b452a7fcf86deadaaa2fa89c823feb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a68588f503191da3a6e79febb58749c59b452a7fcf86deadaaa2fa89c823feb", kill_on_drop: false }`
[INFO] [stdout] 9a68588f503191da3a6e79febb58749c59b452a7fcf86deadaaa2fa89c823feb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 35604a1407325b87119104b7ea11e96f80ac1ef89e1882d27b79f8d6e2fd8bd7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "35604a1407325b87119104b7ea11e96f80ac1ef89e1882d27b79f8d6e2fd8bd7", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (x86asm) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Checking memchr v2.3.4
[INFO] [stderr]     Checking x86asm v0.1.0
[INFO] [stderr]     Checking nom v4.2.3
[INFO] [stderr]     Checking msc v0.5.4
[INFO] [stderr]     Checking msc-jit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/jit/mod.rs:49:23
[INFO] [stdout]    |
[INFO] [stdout] 49 |         let jit_func: (extern "C" fn() -> T) = mem::transmute(self._contents);
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/jit/mod.rs:24:53
[INFO] [stdout]    |
[INFO] [stdout] 24 |             let mut _contents : *mut libc::c_void = mem::uninitialized(); // avoid uninitalized warning
[INFO] [stdout]    |                                                     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/jit/mod.rs:49:23
[INFO] [stdout]    |
[INFO] [stdout] 49 |         let jit_func: (extern "C" fn() -> T) = mem::transmute(self._contents);
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/jit/mod.rs:24:53
[INFO] [stdout]    |
[INFO] [stdout] 24 |             let mut _contents : *mut libc::c_void = mem::uninitialized(); // avoid uninitalized warning
[INFO] [stdout]    |                                                     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `seek` found for struct `InstructionWriter<std::io::Cursor<Vec<u8>>>` in the current scope
[INFO] [stdout]    --> src/jit/x86/mod.rs:191:40
[INFO] [stdout]     |
[INFO] [stdout] 191 | ...                   writer.seek(SeekFrom::Current(-5)).unwrap();
[INFO] [stdout]     |                              ^^^^ method not found in `InstructionWriter<std::io::Cursor<Vec<u8>>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `seek` found for struct `InstructionWriter<std::io::Cursor<Vec<u8>>>` in the current scope
[INFO] [stdout]    --> src/jit/x86/mod.rs:191:40
[INFO] [stdout]     |
[INFO] [stdout] 191 | ...                   writer.seek(SeekFrom::Current(-5)).unwrap();
[INFO] [stdout]     |                              ^^^^ method not found in `InstructionWriter<std::io::Cursor<Vec<u8>>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `seek` found for struct `InstructionWriter<std::io::Cursor<Vec<u8>>>` in the current scope
[INFO] [stdout]    --> src/jit/x86/mod.rs:642:28
[INFO] [stdout]     |
[INFO] [stdout] 642 |                     writer.seek(SeekFrom::Start(relocation.0)).unwrap();
[INFO] [stdout]     |                            ^^^^ method not found in `InstructionWriter<std::io::Cursor<Vec<u8>>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `seek` found for struct `InstructionWriter<std::io::Cursor<Vec<u8>>>` in the current scope
[INFO] [stdout]    --> src/jit/x86/mod.rs:642:28
[INFO] [stdout]     |
[INFO] [stdout] 642 |                     writer.seek(SeekFrom::Start(relocation.0)).unwrap();
[INFO] [stdout]     |                            ^^^^ method not found in `InstructionWriter<std::io::Cursor<Vec<u8>>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `write_bytes` found for mutable reference `&mut InstructionWriter<T>` in the current scope
[INFO] [stdout]    --> src/jit/x86/asm_helper/mod.rs:188:14
[INFO] [stdout]     |
[INFO] [stdout] 188 |         self.write_bytes(b"\x9B\xDF\xE0")?;
[INFO] [stdout]     |              ^^^^^^^^^^^ method not found in `&mut InstructionWriter<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `write_bytes` found for mutable reference `&mut InstructionWriter<T>` in the current scope
[INFO] [stdout]    --> src/jit/x86/asm_helper/mod.rs:193:14
[INFO] [stdout]     |
[INFO] [stdout] 193 |         self.write_bytes(b"\x9e")?;
[INFO] [stdout]     |              ^^^^^^^^^^^ method not found in `&mut InstructionWriter<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `write_bytes` found for mutable reference `&mut InstructionWriter<T>` in the current scope
[INFO] [stdout]    --> src/jit/x86/asm_helper/mod.rs:198:14
[INFO] [stdout]     |
[INFO] [stdout] 198 |         self.write_bytes(b"\xde\xd9")?;
[INFO] [stdout]     |              ^^^^^^^^^^^ method not found in `&mut InstructionWriter<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `write_bytes` found for mutable reference `&mut InstructionWriter<T>` in the current scope
[INFO] [stdout]    --> src/jit/x86/asm_helper/mod.rs:203:14
[INFO] [stdout]     |
[INFO] [stdout] 203 |         self.write_bytes(b"\x48\xb8\xf8\xff\xff\xff\xff\xff\xff\xf8")?;
[INFO] [stdout]     |              ^^^^^^^^^^^ method not found in `&mut InstructionWriter<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `write_bytes` found for mutable reference `&mut InstructionWriter<T>` in the current scope
[INFO] [stdout]    --> src/jit/x86/asm_helper/mod.rs:188:14
[INFO] [stdout]     |
[INFO] [stdout] 188 |         self.write_bytes(b"\x9B\xDF\xE0")?;
[INFO] [stdout]     |              ^^^^^^^^^^^ method not found in `&mut InstructionWriter<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `write_bytes` found for mutable reference `&mut InstructionWriter<T>` in the current scope
[INFO] [stdout]    --> src/jit/x86/asm_helper/mod.rs:193:14
[INFO] [stdout]     |
[INFO] [stdout] 193 |         self.write_bytes(b"\x9e")?;
[INFO] [stdout]     |              ^^^^^^^^^^^ method not found in `&mut InstructionWriter<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `write_bytes` found for mutable reference `&mut InstructionWriter<T>` in the current scope
[INFO] [stdout]    --> src/jit/x86/asm_helper/mod.rs:198:14
[INFO] [stdout]     |
[INFO] [stdout] 198 |         self.write_bytes(b"\xde\xd9")?;
[INFO] [stdout]     |              ^^^^^^^^^^^ method not found in `&mut InstructionWriter<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `write_bytes` found for mutable reference `&mut InstructionWriter<T>` in the current scope
[INFO] [stdout]    --> src/jit/x86/asm_helper/mod.rs:203:14
[INFO] [stdout]     |
[INFO] [stdout] 203 |         self.write_bytes(b"\x48\xb8\xf8\xff\xff\xff\xff\xff\xff\xf8")?;
[INFO] [stdout]     |              ^^^^^^^^^^^ method not found in `&mut InstructionWriter<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `msc-jit`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "35604a1407325b87119104b7ea11e96f80ac1ef89e1882d27b79f8d6e2fd8bd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35604a1407325b87119104b7ea11e96f80ac1ef89e1882d27b79f8d6e2fd8bd7", kill_on_drop: false }`
[INFO] [stdout] 35604a1407325b87119104b7ea11e96f80ac1ef89e1882d27b79f8d6e2fd8bd7