[INFO] fetching crate serial-number 0.1.1... [INFO] testing serial-number-0.1.1 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1 [INFO] extracting crate serial-number 0.1.1 into /workspace/builds/worker-7-tc2/source [INFO] started tweaking crates.io crate serial-number 0.1.1 [INFO] finished tweaking crates.io crate serial-number 0.1.1 [INFO] tweaked toml for crates.io crate serial-number 0.1.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate serial-number 0.1.1 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e7f168431fcac20a20a605ecbed709af36abbb416cef6ccabf9245d03594019d [INFO] running `Command { std: "docker" "start" "-a" "e7f168431fcac20a20a605ecbed709af36abbb416cef6ccabf9245d03594019d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e7f168431fcac20a20a605ecbed709af36abbb416cef6ccabf9245d03594019d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e7f168431fcac20a20a605ecbed709af36abbb416cef6ccabf9245d03594019d", kill_on_drop: false }` [INFO] [stdout] e7f168431fcac20a20a605ecbed709af36abbb416cef6ccabf9245d03594019d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] dba51930aceca29213b4631e9904f8822dee394a006f73b7219bd1e500ac802e [INFO] running `Command { std: "docker" "start" "-a" "dba51930aceca29213b4631e9904f8822dee394a006f73b7219bd1e500ac802e", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling serial-number v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:67:26 [INFO] [stdout] | [INFO] [stdout] 67 | let left_a = try!(u8::from_str_radix(&fragment[0..2], 16)); [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/lib.rs:68:26 [INFO] [stdout] | [INFO] [stdout] 68 | let left_b = try!(u8::from_str_radix(&fragment[2..4], 16)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:69:26 [INFO] [stdout] | [INFO] [stdout] 69 | let left_c = try!(u8::from_str_radix(&fragment[4..6], 16)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:70:27 [INFO] [stdout] | [INFO] [stdout] 70 | let right_a = try!(u8::from_str_radix(&fragment[6..8], 16)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:71:27 [INFO] [stdout] | [INFO] [stdout] 71 | let right_b = try!(u8::from_str_radix(&fragment[8..10], 16)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:72:27 [INFO] [stdout] | [INFO] [stdout] 72 | let right_c = try!(u8::from_str_radix(&fragment[10..12], 16)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:109:9 [INFO] [stdout] | [INFO] [stdout] 109 | try!(write!(f, "{:04X}", self.seed)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:111:13 [INFO] [stdout] | [INFO] [stdout] 111 | try!(write!(f, "-{}", group)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:126:24 [INFO] [stdout] | [INFO] [stdout] 126 | let seed = try!(i64::from_str_radix(&seed, 16)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:132:28 [INFO] [stdout] | [INFO] [stdout] 132 | let left = try!(u8::from_str_radix(&fragment[0..2], 16)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:133:29 [INFO] [stdout] | [INFO] [stdout] 133 | let right = try!(u8::from_str_radix(&fragment[2..4], 16)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:35:32 [INFO] [stdout] | [INFO] [stdout] 35 | fn cause(&self) -> Option<&error::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] = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 35 | fn cause(&self) -> Option<&dyn error::Error> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/lib.rs:44:30 [INFO] [stdout] | [INFO] [stdout] 44 | write!(f, "{}", self.description()) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary transmute [INFO] [stdout] --> src/lib.rs:218:39 [INFO] [stdout] | [INFO] [stdout] 218 | let bytes: [u8; 8] = unsafe { mem::transmute(seed.to_be()) }; [INFO] [stdout] | --------------^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: replace this with: `i64::to_ne_bytes` [INFO] [stdout] | [INFO] [stdout] = help: there's also `to_le_bytes` and `to_be_bytes` if you expect a particular byte order [INFO] [stdout] = note: `#[warn(unnecessary_transmutes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.24s [INFO] running `Command { std: "docker" "inspect" "dba51930aceca29213b4631e9904f8822dee394a006f73b7219bd1e500ac802e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dba51930aceca29213b4631e9904f8822dee394a006f73b7219bd1e500ac802e", kill_on_drop: false }` [INFO] [stdout] dba51930aceca29213b4631e9904f8822dee394a006f73b7219bd1e500ac802e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a66f2de05808b5a20caef1a59ac452094df68e5075d7b547afb9427b616ebf30 [INFO] running `Command { std: "docker" "start" "-a" "a66f2de05808b5a20caef1a59ac452094df68e5075d7b547afb9427b616ebf30", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:67:26 [INFO] [stdout] | [INFO] [stdout] 67 | let left_a = try!(u8::from_str_radix(&fragment[0..2], 16)); [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/lib.rs:68:26 [INFO] [stdout] | [INFO] [stdout] 68 | let left_b = try!(u8::from_str_radix(&fragment[2..4], 16)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:69:26 [INFO] [stdout] | [INFO] [stdout] 69 | let left_c = try!(u8::from_str_radix(&fragment[4..6], 16)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:70:27 [INFO] [stdout] | [INFO] [stdout] 70 | let right_a = try!(u8::from_str_radix(&fragment[6..8], 16)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling serial-number v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:71:27 [INFO] [stdout] | [INFO] [stdout] 71 | let right_b = try!(u8::from_str_radix(&fragment[8..10], 16)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:72:27 [INFO] [stdout] | [INFO] [stdout] 72 | let right_c = try!(u8::from_str_radix(&fragment[10..12], 16)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:109:9 [INFO] [stdout] | [INFO] [stdout] 109 | try!(write!(f, "{:04X}", self.seed)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:111:13 [INFO] [stdout] | [INFO] [stdout] 111 | try!(write!(f, "-{}", group)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:126:24 [INFO] [stdout] | [INFO] [stdout] 126 | let seed = try!(i64::from_str_radix(&seed, 16)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:132:28 [INFO] [stdout] | [INFO] [stdout] 132 | let left = try!(u8::from_str_radix(&fragment[0..2], 16)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:133:29 [INFO] [stdout] | [INFO] [stdout] 133 | let right = try!(u8::from_str_radix(&fragment[2..4], 16)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:35:32 [INFO] [stdout] | [INFO] [stdout] 35 | fn cause(&self) -> Option<&error::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] = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 35 | fn cause(&self) -> Option<&dyn error::Error> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/lib.rs:44:30 [INFO] [stdout] | [INFO] [stdout] 44 | write!(f, "{}", self.description()) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary transmute [INFO] [stdout] --> src/lib.rs:218:39 [INFO] [stdout] | [INFO] [stdout] 218 | let bytes: [u8; 8] = unsafe { mem::transmute(seed.to_be()) }; [INFO] [stdout] | --------------^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: replace this with: `i64::to_ne_bytes` [INFO] [stdout] | [INFO] [stdout] = help: there's also `to_le_bytes` and `to_be_bytes` if you expect a particular byte order [INFO] [stdout] = note: `#[warn(unnecessary_transmutes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:67:26 [INFO] [stdout] | [INFO] [stdout] 67 | let left_a = try!(u8::from_str_radix(&fragment[0..2], 16)); [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/lib.rs:68:26 [INFO] [stdout] | [INFO] [stdout] 68 | let left_b = try!(u8::from_str_radix(&fragment[2..4], 16)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:69:26 [INFO] [stdout] | [INFO] [stdout] 69 | let left_c = try!(u8::from_str_radix(&fragment[4..6], 16)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:70:27 [INFO] [stdout] | [INFO] [stdout] 70 | let right_a = try!(u8::from_str_radix(&fragment[6..8], 16)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:71:27 [INFO] [stdout] | [INFO] [stdout] 71 | let right_b = try!(u8::from_str_radix(&fragment[8..10], 16)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:72:27 [INFO] [stdout] | [INFO] [stdout] 72 | let right_c = try!(u8::from_str_radix(&fragment[10..12], 16)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:109:9 [INFO] [stdout] | [INFO] [stdout] 109 | try!(write!(f, "{:04X}", self.seed)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:111:13 [INFO] [stdout] | [INFO] [stdout] 111 | try!(write!(f, "-{}", group)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:126:24 [INFO] [stdout] | [INFO] [stdout] 126 | let seed = try!(i64::from_str_radix(&seed, 16)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:132:28 [INFO] [stdout] | [INFO] [stdout] 132 | let left = try!(u8::from_str_radix(&fragment[0..2], 16)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:133:29 [INFO] [stdout] | [INFO] [stdout] 133 | let right = try!(u8::from_str_radix(&fragment[2..4], 16)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:35:32 [INFO] [stdout] | [INFO] [stdout] 35 | fn cause(&self) -> Option<&error::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] = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 35 | fn cause(&self) -> Option<&dyn error::Error> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/lib.rs:44:30 [INFO] [stdout] | [INFO] [stdout] 44 | write!(f, "{}", self.description()) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary transmute [INFO] [stdout] --> src/lib.rs:218:39 [INFO] [stdout] | [INFO] [stdout] 218 | let bytes: [u8; 8] = unsafe { mem::transmute(seed.to_be()) }; [INFO] [stdout] | --------------^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: replace this with: `i64::to_ne_bytes` [INFO] [stdout] | [INFO] [stdout] = help: there's also `to_le_bytes` and `to_be_bytes` if you expect a particular byte order [INFO] [stdout] = note: `#[warn(unnecessary_transmutes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.38s [INFO] running `Command { std: "docker" "inspect" "a66f2de05808b5a20caef1a59ac452094df68e5075d7b547afb9427b616ebf30", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a66f2de05808b5a20caef1a59ac452094df68e5075d7b547afb9427b616ebf30", kill_on_drop: false }` [INFO] [stdout] a66f2de05808b5a20caef1a59ac452094df68e5075d7b547afb9427b616ebf30 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] f8070ef33cd3a46faa5cf1e4fa102db44efe51edf5a3cb7bf7efeb397f29a91e [INFO] running `Command { std: "docker" "start" "-a" "f8070ef33cd3a46faa5cf1e4fa102db44efe51edf5a3cb7bf7efeb397f29a91e", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/lib.rs:67:26 [INFO] [stderr] | [INFO] [stderr] 67 | let left_a = try!(u8::from_str_radix(&fragment[0..2], 16)); [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/lib.rs:68:26 [INFO] [stderr] | [INFO] [stderr] 68 | let left_b = try!(u8::from_str_radix(&fragment[2..4], 16)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/lib.rs:69:26 [INFO] [stderr] | [INFO] [stderr] 69 | let left_c = try!(u8::from_str_radix(&fragment[4..6], 16)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/lib.rs:70:27 [INFO] [stderr] | [INFO] [stderr] 70 | let right_a = try!(u8::from_str_radix(&fragment[6..8], 16)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/lib.rs:71:27 [INFO] [stderr] | [INFO] [stderr] 71 | let right_b = try!(u8::from_str_radix(&fragment[8..10], 16)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/lib.rs:72:27 [INFO] [stderr] | [INFO] [stderr] 72 | let right_c = try!(u8::from_str_radix(&fragment[10..12], 16)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/lib.rs:109:9 [INFO] [stderr] | [INFO] [stderr] 109 | try!(write!(f, "{:04X}", self.seed)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/lib.rs:111:13 [INFO] [stderr] | [INFO] [stderr] 111 | try!(write!(f, "-{}", group)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/lib.rs:126:24 [INFO] [stderr] | [INFO] [stderr] 126 | let seed = try!(i64::from_str_radix(&seed, 16)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/lib.rs:132:28 [INFO] [stderr] | [INFO] [stderr] 132 | let left = try!(u8::from_str_radix(&fragment[0..2], 16)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/lib.rs:133:29 [INFO] [stderr] | [INFO] [stderr] 133 | let right = try!(u8::from_str_radix(&fragment[2..4], 16)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:35:32 [INFO] [stderr] | [INFO] [stderr] 35 | fn cause(&self) -> Option<&error::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] = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stderr] | [INFO] [stderr] 35 | fn cause(&self) -> Option<&dyn error::Error> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stderr] --> src/lib.rs:44:30 [INFO] [stderr] | [INFO] [stderr] 44 | write!(f, "{}", self.description()) [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unnecessary transmute [INFO] [stderr] --> src/lib.rs:218:39 [INFO] [stderr] | [INFO] [stderr] 218 | let bytes: [u8; 8] = unsafe { mem::transmute(seed.to_be()) }; [INFO] [stderr] | --------------^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: replace this with: `i64::to_ne_bytes` [INFO] [stderr] | [INFO] [stderr] = help: there's also `to_le_bytes` and `to_be_bytes` if you expect a particular byte order [INFO] [stderr] = note: `#[warn(unnecessary_transmutes)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `serial-number` (lib) generated 14 warnings (run `cargo fix --lib -p serial-number` to apply 2 suggestions) [INFO] [stderr] warning: `serial-number` (lib test) generated 14 warnings (14 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/serial_number-0ce36c028da22a09) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test tests::test_restore ... ok [INFO] [stdout] test tests::test_generate ... ok [INFO] [stderr] Doc-tests serial_number [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [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" "f8070ef33cd3a46faa5cf1e4fa102db44efe51edf5a3cb7bf7efeb397f29a91e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f8070ef33cd3a46faa5cf1e4fa102db44efe51edf5a3cb7bf7efeb397f29a91e", kill_on_drop: false }` [INFO] [stdout] f8070ef33cd3a46faa5cf1e4fa102db44efe51edf5a3cb7bf7efeb397f29a91e