[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] testing Isaac-Lozano/um-rust against 1.60.0 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIsaac-Lozano%2Fum-rust" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Isaac-Lozano/um-rust on toolchain 1.60.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-5/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" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 136da9c0eee001df7e31fc9e1c5c49b9f4f75fe9bc74b44956974e3654eb3159 [INFO] running `Command { std: "docker" "start" "-a" "136da9c0eee001df7e31fc9e1c5c49b9f4f75fe9bc74b44956974e3654eb3159", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "136da9c0eee001df7e31fc9e1c5c49b9f4f75fe9bc74b44956974e3654eb3159", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "136da9c0eee001df7e31fc9e1c5c49b9f4f75fe9bc74b44956974e3654eb3159", kill_on_drop: false }` [INFO] [stdout] 136da9c0eee001df7e31fc9e1c5c49b9f4f75fe9bc74b44956974e3654eb3159 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f4da059b4de92920b9001696441b8eb206cfd19cdcc5eeef80388f840860ec81 [INFO] running `Command { std: "docker" "start" "-a" "f4da059b4de92920b9001696441b8eb206cfd19cdcc5eeef80388f840860ec81", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling um v0.1.0 (/opt/rustwide/workdir) [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; 14] = [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 7 - const OP_FUNCTION_TABLE: [&'static Fn(&mut Um, usize, usize, usize, u32) -> UmResult; 14] = [INFO] [stdout] 7 + const OP_FUNCTION_TABLE: [&'static dyn Fn(&mut Um, usize, usize, usize, u32) -> UmResult; 14] = [INFO] [stdout] | [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] | ^^^^^ [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 104 - fn cause(&self) -> Option<&Error> [INFO] [stdout] 104 + fn cause(&self) -> Option<&dyn Error> [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] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.46s [INFO] running `Command { std: "docker" "inspect" "f4da059b4de92920b9001696441b8eb206cfd19cdcc5eeef80388f840860ec81", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f4da059b4de92920b9001696441b8eb206cfd19cdcc5eeef80388f840860ec81", kill_on_drop: false }` [INFO] [stdout] f4da059b4de92920b9001696441b8eb206cfd19cdcc5eeef80388f840860ec81 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0505a8073af197fb1269a9675daf5863ed48abdc31c83f464e2314c91518b003 [INFO] running `Command { std: "docker" "start" "-a" "0505a8073af197fb1269a9675daf5863ed48abdc31c83f464e2314c91518b003", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling um v0.1.0 (/opt/rustwide/workdir) [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; 14] = [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 7 - const OP_FUNCTION_TABLE: [&'static Fn(&mut Um, usize, usize, usize, u32) -> UmResult; 14] = [INFO] [stdout] 7 + const OP_FUNCTION_TABLE: [&'static dyn Fn(&mut Um, usize, usize, usize, u32) -> UmResult; 14] = [INFO] [stdout] | [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] | ^^^^^ [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 104 - fn cause(&self) -> Option<&Error> [INFO] [stdout] 104 + fn cause(&self) -> Option<&dyn Error> [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] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.38s [INFO] running `Command { std: "docker" "inspect" "0505a8073af197fb1269a9675daf5863ed48abdc31c83f464e2314c91518b003", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0505a8073af197fb1269a9675daf5863ed48abdc31c83f464e2314c91518b003", kill_on_drop: false }` [INFO] [stdout] 0505a8073af197fb1269a9675daf5863ed48abdc31c83f464e2314c91518b003 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 10bb7646a61e512cfab3e3344708e8e181e597922a555f6fc05fbe199b04c9ff [INFO] running `Command { std: "docker" "start" "-a" "10bb7646a61e512cfab3e3344708e8e181e597922a555f6fc05fbe199b04c9ff", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/um.rs:152:24 [INFO] [stderr] | [INFO] [stderr] 152 | let operator = try!(self.zero [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/um.rs:235:28 [INFO] [stderr] | [INFO] [stderr] 235 | self.regs[a] = try!(self.zero.get(self.regs[c] as usize).ok_or(UmError::InvalidArrayAccess)).clone(); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/um.rs:239:28 [INFO] [stderr] | [INFO] [stderr] 239 | self.regs[a] = try!(self.arrays [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/um.rs:258:14 [INFO] [stderr] | [INFO] [stderr] 258 | *try!(self.arrays [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/um.rs:363:25 [INFO] [stderr] | [INFO] [stderr] 363 | self.zero = try!(self.arrays [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/main.rs:24:19 [INFO] [stderr] | [INFO] [stderr] 24 | let len = try!(file.read(&mut buf)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/um.rs:7:36 [INFO] [stderr] | [INFO] [stderr] 7 | const OP_FUNCTION_TABLE: [&'static Fn(&mut Um, usize, usize, usize, u32) -> UmResult; 14] = [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 7 - const OP_FUNCTION_TABLE: [&'static Fn(&mut Um, usize, usize, usize, u32) -> UmResult; 14] = [INFO] [stderr] 7 + const OP_FUNCTION_TABLE: [&'static dyn Fn(&mut Um, usize, usize, usize, u32) -> UmResult; 14] = [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/um.rs:104:32 [INFO] [stderr] | [INFO] [stderr] 104 | fn cause(&self) -> Option<&Error> [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 104 - fn cause(&self) -> Option<&Error> [INFO] [stderr] 104 + fn cause(&self) -> Option<&dyn Error> [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stderr] --> src/main.rs:69:82 [INFO] [stderr] | [INFO] [stderr] 69 | writeln!(&mut std::io::stderr(), "{}: {}: {}", progname, filename, e.description()).unwrap(); [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stderr] --> src/main.rs:78:26 [INFO] [stderr] | [INFO] [stderr] 78 | Err(e) => barf(e.description()), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stderr] --> src/main.rs:98:41 [INFO] [stderr] | [INFO] [stderr] 98 | println!("Error: {}", e.description()); [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `um` (bin "um" test) generated 11 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.37s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/um-496eee3badcc0e4b) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "10bb7646a61e512cfab3e3344708e8e181e597922a555f6fc05fbe199b04c9ff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "10bb7646a61e512cfab3e3344708e8e181e597922a555f6fc05fbe199b04c9ff", kill_on_drop: false }` [INFO] [stdout] 10bb7646a61e512cfab3e3344708e8e181e597922a555f6fc05fbe199b04c9ff