[INFO] fetching crate serial-number 0.1.1...
[INFO] testing serial-number-0.1.1 against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739-1
[INFO] extracting crate serial-number 0.1.1 into /workspace/builds/worker-2-tc1/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-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate serial-number 0.1.1 on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9688922f1aa55b2a4bc24aa11c598d07abc437f4ce745cb5c6426729b6d44882
[INFO] running `Command { std: "docker" "start" "-a" "9688922f1aa55b2a4bc24aa11c598d07abc437f4ce745cb5c6426729b6d44882", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9688922f1aa55b2a4bc24aa11c598d07abc437f4ce745cb5c6426729b6d44882", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9688922f1aa55b2a4bc24aa11c598d07abc437f4ce745cb5c6426729b6d44882", kill_on_drop: false }`
[INFO] [stdout] 9688922f1aa55b2a4bc24aa11c598d07abc437f4ce745cb5c6426729b6d44882
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f160e33bdde92c9b9bb9099c91c251a7a529fe7aab9408851699ce4f6efe6496
[INFO] running `Command { std: "docker" "start" "-a" "f160e33bdde92c9b9bb9099c91c251a7a529fe7aab9408851699ce4f6efe6496", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` 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 <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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: 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] help: replace this with
[INFO] [stdout]     |
[INFO] [stdout] 218 -         let bytes: [u8; 8] = unsafe { mem::transmute(seed.to_be()) };
[INFO] [stdout] 218 +         let bytes: [u8; 8] = unsafe { i64::to_ne_bytes(seed.to_be()) };
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "f160e33bdde92c9b9bb9099c91c251a7a529fe7aab9408851699ce4f6efe6496", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f160e33bdde92c9b9bb9099c91c251a7a529fe7aab9408851699ce4f6efe6496", kill_on_drop: false }`
[INFO] [stdout] f160e33bdde92c9b9bb9099c91c251a7a529fe7aab9408851699ce4f6efe6496
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c226402d8488d98cd3ab0b51c7ec2fca9e232bbba5409d2b8e52d2dba965989
[INFO] running `Command { std: "docker" "start" "-a" "2c226402d8488d98cd3ab0b51c7ec2fca9e232bbba5409d2b8e52d2dba965989", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` 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] [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: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 <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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: 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] help: replace this with
[INFO] [stdout]     |
[INFO] [stdout] 218 -         let bytes: [u8; 8] = unsafe { mem::transmute(seed.to_be()) };
[INFO] [stdout] 218 +         let bytes: [u8; 8] = unsafe { i64::to_ne_bytes(seed.to_be()) };
[INFO] [stdout]     |
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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: 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] help: replace this with
[INFO] [stdout]     |
[INFO] [stdout] 218 -         let bytes: [u8; 8] = unsafe { mem::transmute(seed.to_be()) };
[INFO] [stdout] 218 +         let bytes: [u8; 8] = unsafe { i64::to_ne_bytes(seed.to_be()) };
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "2c226402d8488d98cd3ab0b51c7ec2fca9e232bbba5409d2b8e52d2dba965989", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c226402d8488d98cd3ab0b51c7ec2fca9e232bbba5409d2b8e52d2dba965989", kill_on_drop: false }`
[INFO] [stdout] 2c226402d8488d98cd3ab0b51c7ec2fca9e232bbba5409d2b8e52d2dba965989
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 13ba1f16b47f6d7bf1fa07ccdd4f17b04978c78057f65335f86fa5ca86d445c6
[INFO] running `Command { std: "docker" "start" "-a" "13ba1f16b47f6d7bf1fa07ccdd4f17b04978c78057f65335f86fa5ca86d445c6", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` 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 <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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: 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] help: replace this with
[INFO] [stderr]     |
[INFO] [stderr] 218 -         let bytes: [u8; 8] = unsafe { mem::transmute(seed.to_be()) };
[INFO] [stderr] 218 +         let bytes: [u8; 8] = unsafe { i64::to_ne_bytes(seed.to_be()) };
[INFO] [stderr]     |
[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 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/serial_number-4826a1911e9e7ed8)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test_restore ... ok
[INFO] [stdout] test tests::test_generate ... ok
[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] [stderr]    Doc-tests serial_number
[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" "13ba1f16b47f6d7bf1fa07ccdd4f17b04978c78057f65335f86fa5ca86d445c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13ba1f16b47f6d7bf1fa07ccdd4f17b04978c78057f65335f86fa5ca86d445c6", kill_on_drop: false }`
[INFO] [stdout] 13ba1f16b47f6d7bf1fa07ccdd4f17b04978c78057f65335f86fa5ca86d445c6
