[INFO] cloning repository https://github.com/Isaac-Lozano/um-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Isaac-Lozano/um-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIsaac-Lozano%2Fum-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIsaac-Lozano%2Fum-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 54183eeb66bf05b8a9c305425716d2c4c824a369
[INFO] checking Isaac-Lozano/um-rust against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIsaac-Lozano%2Fum-rust" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Isaac-Lozano/um-rust on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Isaac-Lozano/um-rust
[INFO] finished tweaking git repo https://github.com/Isaac-Lozano/um-rust
[INFO] tweaked toml for git repo https://github.com/Isaac-Lozano/um-rust written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/Isaac-Lozano/um-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0a9521ab44f4f8fdf1030ccda62af633911758e57ffb01088f90ce661365555c
[INFO] running `Command { std: "docker" "start" "-a" "0a9521ab44f4f8fdf1030ccda62af633911758e57ffb01088f90ce661365555c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a9521ab44f4f8fdf1030ccda62af633911758e57ffb01088f90ce661365555c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a9521ab44f4f8fdf1030ccda62af633911758e57ffb01088f90ce661365555c", kill_on_drop: false }`
[INFO] [stdout] 0a9521ab44f4f8fdf1030ccda62af633911758e57ffb01088f90ce661365555c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c8358d49092aaab5da8a3042b84766053e33cf58bd1c3ddd9c2c18b71eb71e7
[INFO] running `Command { std: "docker" "start" "-a" "8c8358d49092aaab5da8a3042b84766053e33cf58bd1c3ddd9c2c18b71eb71e7", kill_on_drop: false }`
[INFO] [stderr]     Checking um v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/um.rs:7:36
[INFO] [stdout]   |
[INFO] [stdout] 7 | const OP_FUNCTION_TABLE: [&'static Fn(&mut Um, usize, usize, usize, u32) -> UmResult<bool>; 14] =
[INFO] [stdout]   |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Um, usize, usize, usize, u32) -> UmResult<bool>`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/um.rs:104:32
[INFO] [stdout]     |
[INFO] [stdout] 104 |     fn cause(&self) -> Option<&Error>
[INFO] [stdout]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/um.rs:152:24
[INFO] [stdout]     |
[INFO] [stdout] 152 |         let operator = try!(self.zero
[INFO] [stdout]     |                        ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/um.rs:235:28
[INFO] [stdout]     |
[INFO] [stdout] 235 |             self.regs[a] = try!(self.zero.get(self.regs[c] as usize).ok_or(UmError::InvalidArrayAccess)).clone();
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/um.rs:239:28
[INFO] [stdout]     |
[INFO] [stdout] 239 |             self.regs[a] = try!(self.arrays
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/um.rs:258:14
[INFO] [stdout]     |
[INFO] [stdout] 258 |             *try!(self.arrays
[INFO] [stdout]     |              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/um.rs:363:25
[INFO] [stdout]     |
[INFO] [stdout] 363 |             self.zero = try!(self.arrays
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:24:19
[INFO] [stdout]    |
[INFO] [stdout] 24 |         let len = try!(file.read(&mut buf));
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/um.rs:7:36
[INFO] [stdout]   |
[INFO] [stdout] 7 | const OP_FUNCTION_TABLE: [&'static Fn(&mut Um, usize, usize, usize, u32) -> UmResult<bool>; 14] =
[INFO] [stdout]   |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Um, usize, usize, usize, u32) -> UmResult<bool>`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/um.rs:104:32
[INFO] [stdout]     |
[INFO] [stdout] 104 |     fn cause(&self) -> Option<&Error>
[INFO] [stdout]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/um.rs:152:24
[INFO] [stdout]     |
[INFO] [stdout] 152 |         let operator = try!(self.zero
[INFO] [stdout]     |                        ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/um.rs:235:28
[INFO] [stdout]     |
[INFO] [stdout] 235 |             self.regs[a] = try!(self.zero.get(self.regs[c] as usize).ok_or(UmError::InvalidArrayAccess)).clone();
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/um.rs:239:28
[INFO] [stdout]     |
[INFO] [stdout] 239 |             self.regs[a] = try!(self.arrays
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/um.rs:258:14
[INFO] [stdout]     |
[INFO] [stdout] 258 |             *try!(self.arrays
[INFO] [stdout]     |              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/um.rs:363:25
[INFO] [stdout]     |
[INFO] [stdout] 363 |             self.zero = try!(self.arrays
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:24:19
[INFO] [stdout]    |
[INFO] [stdout] 24 |         let len = try!(file.read(&mut buf));
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:69:82
[INFO] [stdout]    |
[INFO] [stdout] 69 |             writeln!(&mut std::io::stderr(), "{}: {}: {}", progname, filename, e.description()).unwrap();
[INFO] [stdout]    |                                                                                  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:78:26
[INFO] [stdout]    |
[INFO] [stdout] 78 |         Err(e) => barf(e.description()),
[INFO] [stdout]    |                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:98:41
[INFO] [stdout]    |
[INFO] [stdout] 98 |                 println!("Error: {}", e.description());
[INFO] [stdout]    |                                         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:69:82
[INFO] [stdout]    |
[INFO] [stdout] 69 |             writeln!(&mut std::io::stderr(), "{}: {}: {}", progname, filename, e.description()).unwrap();
[INFO] [stdout]    |                                                                                  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:78:26
[INFO] [stdout]    |
[INFO] [stdout] 78 |         Err(e) => barf(e.description()),
[INFO] [stdout]    |                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:98:41
[INFO] [stdout]    |
[INFO] [stdout] 98 |                 println!("Error: {}", e.description());
[INFO] [stdout]    |                                         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "8c8358d49092aaab5da8a3042b84766053e33cf58bd1c3ddd9c2c18b71eb71e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c8358d49092aaab5da8a3042b84766053e33cf58bd1c3ddd9c2c18b71eb71e7", kill_on_drop: false }`
[INFO] [stdout] 8c8358d49092aaab5da8a3042b84766053e33cf58bd1c3ddd9c2c18b71eb71e7