[INFO] fetching crate ipaddress 0.1.3...
[INFO] checking ipaddress-0.1.3 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate ipaddress 0.1.3 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate ipaddress 0.1.3
[INFO] finished tweaking crates.io crate ipaddress 0.1.3
[INFO] tweaked toml for crates.io crate ipaddress 0.1.3 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ipaddress 0.1.3 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 15 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9ff4d17a8d370a6ec4b6eba2546e37e120c16068a4b9b8603c3f859001a5e658
[INFO] running `Command { std: "docker" "start" "-a" "9ff4d17a8d370a6ec4b6eba2546e37e120c16068a4b9b8603c3f859001a5e658", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ff4d17a8d370a6ec4b6eba2546e37e120c16068a4b9b8603c3f859001a5e658", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ff4d17a8d370a6ec4b6eba2546e37e120c16068a4b9b8603c3f859001a5e658", kill_on_drop: false }`
[INFO] [stdout] 9ff4d17a8d370a6ec4b6eba2546e37e120c16068a4b9b8603c3f859001a5e658
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d7b4df9d38fb8edb07633b7c304d7c7e599de6572aabbfa749dfd2e92bdd24c
[INFO] running `Command { std: "docker" "start" "-a" "8d7b4df9d38fb8edb07633b7c304d7c7e599de6572aabbfa749dfd2e92bdd24c", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Checking regex-syntax v0.8.8
[INFO] [stderr]     Checking aho-corasick v1.1.4
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]     Checking regex v1.12.2
[INFO] [stderr]     Checking ipaddress v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/prefix.rs:30:34
[INFO] [stdout]    |
[INFO] [stdout] 30 |             ip_bits: self.ip_bits.clone(),
[INFO] [stdout]    |                                  ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `IpBits` does not implement `Clone`, so calling `clone` on `&IpBits` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout] 30 -             ip_bits: self.ip_bits.clone(),
[INFO] [stdout] 30 +             ip_bits: self.ip_bits,
[INFO] [stdout]    |
[INFO] [stdout] help: if you meant to clone `IpBits`, implement `Clone` for it
[INFO] [stdout]   --> src/ip_bits.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 + #[derive(Clone)]
[INFO] [stdout] 27 | pub struct IpBits {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/ipaddress.rs:61:34
[INFO] [stdout]    |
[INFO] [stdout] 61 |             ip_bits: self.ip_bits.clone(),
[INFO] [stdout]    |                                  ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `IpBits` does not implement `Clone`, so calling `clone` on `&IpBits` copies the reference, which does not do anything and can be removed
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout] 61 -             ip_bits: self.ip_bits.clone(),
[INFO] [stdout] 61 +             ip_bits: self.ip_bits,
[INFO] [stdout]    |
[INFO] [stdout] help: if you meant to clone `IpBits`, implement `Clone` for it
[INFO] [stdout]   --> src/ip_bits.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 + #[derive(Clone)]
[INFO] [stdout] 27 | pub struct IpBits {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/ipaddress.rs:163:34
[INFO] [stdout]     |
[INFO] [stdout] 163 |             ip_bits: self.ip_bits.clone(),
[INFO] [stdout]     |                                  ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `IpBits` does not implement `Clone`, so calling `clone` on `&IpBits` copies the reference, which does not do anything and can be removed
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 163 -             ip_bits: self.ip_bits.clone(),
[INFO] [stdout] 163 +             ip_bits: self.ip_bits,
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to clone `IpBits`, implement `Clone` for it
[INFO] [stdout]    --> src/ip_bits.rs:26:1
[INFO] [stdout]     |
[INFO] [stdout]  26 + #[derive(Clone)]
[INFO] [stdout]  27 | pub struct IpBits {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/prefix.rs:30:34
[INFO] [stdout]    |
[INFO] [stdout] 30 |             ip_bits: self.ip_bits.clone(),
[INFO] [stdout]    |                                  ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `IpBits` does not implement `Clone`, so calling `clone` on `&IpBits` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout] 30 -             ip_bits: self.ip_bits.clone(),
[INFO] [stdout] 30 +             ip_bits: self.ip_bits,
[INFO] [stdout]    |
[INFO] [stdout] help: if you meant to clone `IpBits`, implement `Clone` for it
[INFO] [stdout]   --> src/ip_bits.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 + #[derive(Clone)]
[INFO] [stdout] 27 | pub struct IpBits {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/ipaddress.rs:61:34
[INFO] [stdout]    |
[INFO] [stdout] 61 |             ip_bits: self.ip_bits.clone(),
[INFO] [stdout]    |                                  ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `IpBits` does not implement `Clone`, so calling `clone` on `&IpBits` copies the reference, which does not do anything and can be removed
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout] 61 -             ip_bits: self.ip_bits.clone(),
[INFO] [stdout] 61 +             ip_bits: self.ip_bits,
[INFO] [stdout]    |
[INFO] [stdout] help: if you meant to clone `IpBits`, implement `Clone` for it
[INFO] [stdout]   --> src/ip_bits.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 + #[derive(Clone)]
[INFO] [stdout] 27 | pub struct IpBits {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/ipaddress.rs:163:34
[INFO] [stdout]     |
[INFO] [stdout] 163 |             ip_bits: self.ip_bits.clone(),
[INFO] [stdout]     |                                  ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `IpBits` does not implement `Clone`, so calling `clone` on `&IpBits` copies the reference, which does not do anything and can be removed
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 163 -             ip_bits: self.ip_bits.clone(),
[INFO] [stdout] 163 +             ip_bits: self.ip_bits,
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to clone `IpBits`, implement `Clone` for it
[INFO] [stdout]    --> src/ip_bits.rs:26:1
[INFO] [stdout]     |
[INFO] [stdout]  26 + #[derive(Clone)]
[INFO] [stdout]  27 | pub struct IpBits {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> tests/test_ipv4.rs:57:21
[INFO] [stdout]    |
[INFO] [stdout] 57 |                 ip: String::from_str("9.0.0.9").unwrap(),
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> tests/test_ipv4.rs:64:21
[INFO] [stdout]    |
[INFO] [stdout] 64 |                 ip: String::from_str("100.1.0.100").unwrap(),
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> tests/test_ipv4.rs:71:21
[INFO] [stdout]    |
[INFO] [stdout] 71 |                 ip: String::from_str("0.0.0.0").unwrap(),
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> tests/test_ipv4.rs:78:21
[INFO] [stdout]    |
[INFO] [stdout] 78 |                 ip: String::from_str("10.0.0.0").unwrap(),
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> tests/test_ipv4.rs:85:21
[INFO] [stdout]    |
[INFO] [stdout] 85 |                 ip: String::from_str("10.0.0.1").unwrap(),
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> tests/test_ipv4.rs:92:21
[INFO] [stdout]    |
[INFO] [stdout] 92 |                 ip: String::from_str("10.0.0.1").unwrap(),
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> tests/test_ipv4.rs:99:21
[INFO] [stdout]    |
[INFO] [stdout] 99 |                 ip: String::from_str("10.0.0.9").unwrap(),
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ipaddress` (test "test_ipv4") due to 7 previous errors
[INFO] running `Command { std: "docker" "inspect" "8d7b4df9d38fb8edb07633b7c304d7c7e599de6572aabbfa749dfd2e92bdd24c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d7b4df9d38fb8edb07633b7c304d7c7e599de6572aabbfa749dfd2e92bdd24c", kill_on_drop: false }`
[INFO] [stdout] 8d7b4df9d38fb8edb07633b7c304d7c7e599de6572aabbfa749dfd2e92bdd24c