[INFO] cloning repository https://github.com/tyler569/tcp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tyler569/tcp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftyler569%2Ftcp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftyler569%2Ftcp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 02fceed1e83d5ff102e3f72952985abebf4d919d
[INFO] testing tyler569/tcp against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftyler569%2Ftcp" "/workspace/builds/worker-19/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-19/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tyler569/tcp 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/tyler569/tcp
[INFO] finished tweaking git repo https://github.com/tyler569/tcp
[INFO] tweaked toml for git repo https://github.com/tyler569/tcp written to /workspace/builds/worker-19/source/Cargo.toml
[INFO] crate git repo https://github.com/tyler569/tcp 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ifstructs v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] a58426c6c522102f0354bb0eea8fad6ff9cbade547b9fee82a45b4e6d63f5c4d
[INFO] running `Command { std: "docker" "start" "-a" "a58426c6c522102f0354bb0eea8fad6ff9cbade547b9fee82a45b4e6d63f5c4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a58426c6c522102f0354bb0eea8fad6ff9cbade547b9fee82a45b4e6d63f5c4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a58426c6c522102f0354bb0eea8fad6ff9cbade547b9fee82a45b4e6d63f5c4d", kill_on_drop: false }`
[INFO] [stdout] a58426c6c522102f0354bb0eea8fad6ff9cbade547b9fee82a45b4e6d63f5c4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] 8b84f0db401edf622586a23276fbe390236d0919cb468e4a092e3997d29f041f
[INFO] running `Command { std: "docker" "start" "-a" "8b84f0db401edf622586a23276fbe390236d0919cb468e4a092e3997d29f041f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.117
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling getrandom v0.2.4
[INFO] [stderr]    Compiling ifstructs v0.1.1
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling tcp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rand::Rng;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ones_complement_sum`
[INFO] [stdout]  --> src/udp.rs:2:37
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::{network_checksum_2part, ones_complement_sum, AsSlice};
[INFO] [stdout]   |                                     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rng`
[INFO] [stdout]    --> src/main.rs:123:13
[INFO] [stdout]     |
[INFO] [stdout] 123 |     let mut rng = rand::thread_rng();
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:123:9
[INFO] [stdout]     |
[INFO] [stdout] 123 |     let mut rng = rand::thread_rng();
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private trait `AsSlice` in public interface (error E0445)
[INFO] [stdout]   --> src/packet.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn fill_l4<T: AsSlice>(&mut self, l4: T) {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(private_in_public)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private trait `AsSlice` in public interface (error E0445)
[INFO] [stdout]   --> src/packet.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn fill_l3<T: AsSlice>(&mut self, l3: T) {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `DESTINATION_UNREACHABLE`
[INFO] [stdout]  --> src/icmp.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub const DESTINATION_UNREACHABLE: Self = Self(3);
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `SOURCE_QUENCH`
[INFO] [stdout]   --> src/icmp.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub const SOURCE_QUENCH: Self = Self(4);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `REDIRECT_MESSAGE`
[INFO] [stdout]   --> src/icmp.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub const REDIRECT_MESSAGE: Self = Self(5);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `ROUTER_ADVERTISEMENT`
[INFO] [stdout]   --> src/icmp.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub const ROUTER_ADVERTISEMENT: Self = Self(9);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `ROUTER_SOLICITATION`
[INFO] [stdout]   --> src/icmp.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub const ROUTER_SOLICITATION: Self = Self(10);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `TIME_EXCEEDED`
[INFO] [stdout]   --> src/icmp.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub const TIME_EXCEEDED: Self = Self(11);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `BAD_IP_HEADER`
[INFO] [stdout]   --> src/icmp.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub const BAD_IP_HEADER: Self = Self(12);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `RESERVED_BIT`
[INFO] [stdout]   --> src/ip.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub const RESERVED_BIT: u16 = 0x8000;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `DF_BIT`
[INFO] [stdout]   --> src/ip.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub const DF_BIT: u16 = 0x4000;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `MF_BIT`
[INFO] [stdout]   --> src/ip.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub const MF_BIT: u16 = 0x2000;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `version`
[INFO] [stdout]   --> src/ip.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn version(&self) -> u8 {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `reserved_bit`
[INFO] [stdout]   --> src/ip.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn reserved_bit(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `df_bit`
[INFO] [stdout]   --> src/ip.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn df_bit(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `mf_bit`
[INFO] [stdout]   --> src/ip.rs:61:12
[INFO] [stdout]    |
[INFO] [stdout] 61 |     pub fn mf_bit(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `frag_offset`
[INFO] [stdout]   --> src/ip.rs:66:12
[INFO] [stdout]    |
[INFO] [stdout] 66 |     pub fn frag_offset(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `PacketView`
[INFO] [stdout]  --> src/packet.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct PacketView<'a> {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `data_mut`
[INFO] [stdout]    --> src/packet.rs:103:12
[INFO] [stdout]     |
[INFO] [stdout] 103 |     pub fn data_mut(&mut self) -> Option<&mut [u8]> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.12s
[INFO] running `Command { std: "docker" "inspect" "8b84f0db401edf622586a23276fbe390236d0919cb468e4a092e3997d29f041f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b84f0db401edf622586a23276fbe390236d0919cb468e4a092e3997d29f041f", kill_on_drop: false }`
[INFO] [stdout] 8b84f0db401edf622586a23276fbe390236d0919cb468e4a092e3997d29f041f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] 2ad8847fc97fd4ba5bd2ac78f6d29cd0f000207ad642275555c689ff1bad3452
[INFO] running `Command { std: "docker" "start" "-a" "2ad8847fc97fd4ba5bd2ac78f6d29cd0f000207ad642275555c689ff1bad3452", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling tcp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rand::Rng;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ones_complement_sum`
[INFO] [stdout]  --> src/udp.rs:2:37
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::{network_checksum_2part, ones_complement_sum, AsSlice};
[INFO] [stdout]   |                                     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rng`
[INFO] [stdout]    --> src/main.rs:123:13
[INFO] [stdout]     |
[INFO] [stdout] 123 |     let mut rng = rand::thread_rng();
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:123:9
[INFO] [stdout]     |
[INFO] [stdout] 123 |     let mut rng = rand::thread_rng();
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: reference to packed field is unaligned
[INFO] [stdout]    --> src/ip.rs:141:5
[INFO] [stdout]     |
[INFO] [stdout] 141 |     assert_eq!(header.total_len, 0x0073);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unaligned_references)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #82523 <https://github.com/rust-lang/rust/issues/82523>
[INFO] [stdout]     = note: fields of packed structs are not properly aligned, and creating a misaligned reference is undefined behavior (even if that reference is never dereferenced)
[INFO] [stdout]     = help: copy the field contents to a local variable, or replace the reference with a raw pointer and use `read_unaligned`/`write_unaligned` (loads and stores via `*p` must be properly aligned even when using raw pointers)
[INFO] [stdout]     = note: this warning originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: reference to packed field is unaligned
[INFO] [stdout]    --> src/ip.rs:143:5
[INFO] [stdout]     |
[INFO] [stdout] 143 |     assert_eq!(header.total_len, 0x7300);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #82523 <https://github.com/rust-lang/rust/issues/82523>
[INFO] [stdout]     = note: fields of packed structs are not properly aligned, and creating a misaligned reference is undefined behavior (even if that reference is never dereferenced)
[INFO] [stdout]     = help: copy the field contents to a local variable, or replace the reference with a raw pointer and use `read_unaligned`/`write_unaligned` (loads and stores via `*p` must be properly aligned even when using raw pointers)
[INFO] [stdout]     = note: this warning originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private trait `AsSlice` in public interface (error E0445)
[INFO] [stdout]   --> src/packet.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn fill_l4<T: AsSlice>(&mut self, l4: T) {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(private_in_public)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private trait `AsSlice` in public interface (error E0445)
[INFO] [stdout]   --> src/packet.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn fill_l3<T: AsSlice>(&mut self, l3: T) {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `DESTINATION_UNREACHABLE`
[INFO] [stdout]  --> src/icmp.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub const DESTINATION_UNREACHABLE: Self = Self(3);
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `SOURCE_QUENCH`
[INFO] [stdout]   --> src/icmp.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub const SOURCE_QUENCH: Self = Self(4);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `REDIRECT_MESSAGE`
[INFO] [stdout]   --> src/icmp.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub const REDIRECT_MESSAGE: Self = Self(5);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `ROUTER_ADVERTISEMENT`
[INFO] [stdout]   --> src/icmp.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub const ROUTER_ADVERTISEMENT: Self = Self(9);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `ROUTER_SOLICITATION`
[INFO] [stdout]   --> src/icmp.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub const ROUTER_SOLICITATION: Self = Self(10);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `TIME_EXCEEDED`
[INFO] [stdout]   --> src/icmp.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub const TIME_EXCEEDED: Self = Self(11);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `BAD_IP_HEADER`
[INFO] [stdout]   --> src/icmp.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub const BAD_IP_HEADER: Self = Self(12);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `RESERVED_BIT`
[INFO] [stdout]   --> src/ip.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub const RESERVED_BIT: u16 = 0x8000;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `DF_BIT`
[INFO] [stdout]   --> src/ip.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub const DF_BIT: u16 = 0x4000;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `MF_BIT`
[INFO] [stdout]   --> src/ip.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub const MF_BIT: u16 = 0x2000;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `version`
[INFO] [stdout]   --> src/ip.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn version(&self) -> u8 {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `reserved_bit`
[INFO] [stdout]   --> src/ip.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn reserved_bit(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `df_bit`
[INFO] [stdout]   --> src/ip.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn df_bit(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `mf_bit`
[INFO] [stdout]   --> src/ip.rs:61:12
[INFO] [stdout]    |
[INFO] [stdout] 61 |     pub fn mf_bit(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `frag_offset`
[INFO] [stdout]   --> src/ip.rs:66:12
[INFO] [stdout]    |
[INFO] [stdout] 66 |     pub fn frag_offset(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `PacketView`
[INFO] [stdout]  --> src/packet.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct PacketView<'a> {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `data_mut`
[INFO] [stdout]    --> src/packet.rs:103:12
[INFO] [stdout]     |
[INFO] [stdout] 103 |     pub fn data_mut(&mut self) -> Option<&mut [u8]> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 25 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.86s
[INFO] running `Command { std: "docker" "inspect" "2ad8847fc97fd4ba5bd2ac78f6d29cd0f000207ad642275555c689ff1bad3452", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ad8847fc97fd4ba5bd2ac78f6d29cd0f000207ad642275555c689ff1bad3452", kill_on_drop: false }`
[INFO] [stdout] 2ad8847fc97fd4ba5bd2ac78f6d29cd0f000207ad642275555c689ff1bad3452
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] d9c98adf376732f8a561b93235a322ab574c370ed2c996d806967df878b3cedb
[INFO] running `Command { std: "docker" "start" "-a" "d9c98adf376732f8a561b93235a322ab574c370ed2c996d806967df878b3cedb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused import: `rand::Rng`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use rand::Rng;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ones_complement_sum`
[INFO] [stderr]  --> src/udp.rs:2:37
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::{network_checksum_2part, ones_complement_sum, AsSlice};
[INFO] [stderr]   |                                     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rng`
[INFO] [stderr]    --> src/main.rs:123:13
[INFO] [stderr]     |
[INFO] [stderr] 123 |     let mut rng = rand::thread_rng();
[INFO] [stderr]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:123:9
[INFO] [stderr]     |
[INFO] [stderr] 123 |     let mut rng = rand::thread_rng();
[INFO] [stderr]     |         ----^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: reference to packed field is unaligned
[INFO] [stdout] running 5 tests
[INFO] [stderr]    --> src/ip.rs:141:5
[INFO] [stdout] test ip::test_bswap ... ok
[INFO] [stderr]     |
[INFO] [stdout] test ip::test_ip_checksum ... ok
[INFO] [stderr] 141 |     assert_eq!(header.total_len, 0x0073);
[INFO] [stdout] test packet::test_packet_sub ... ok
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] test udp::test_udp_checksum_1 ... ok
[INFO] [stderr]     |
[INFO] [stdout] test udp::test_udp_checksum_2 ... ok
[INFO] [stderr]     = note: `#[warn(unaligned_references)]` on by default
[INFO] [stdout] 
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]     = note: for more information, see issue #82523 <https://github.com/rust-lang/rust/issues/82523>
[INFO] [stdout] 
[INFO] [stderr]     = note: fields of packed structs are not properly aligned, and creating a misaligned reference is undefined behavior (even if that reference is never dereferenced)
[INFO] [stderr]     = help: copy the field contents to a local variable, or replace the reference with a raw pointer and use `read_unaligned`/`write_unaligned` (loads and stores via `*p` must be properly aligned even when using raw pointers)
[INFO] [stderr]     = note: this warning originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: reference to packed field is unaligned
[INFO] [stderr]    --> src/ip.rs:143:5
[INFO] [stderr]     |
[INFO] [stderr] 143 |     assert_eq!(header.total_len, 0x7300);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #82523 <https://github.com/rust-lang/rust/issues/82523>
[INFO] [stderr]     = note: fields of packed structs are not properly aligned, and creating a misaligned reference is undefined behavior (even if that reference is never dereferenced)
[INFO] [stderr]     = help: copy the field contents to a local variable, or replace the reference with a raw pointer and use `read_unaligned`/`write_unaligned` (loads and stores via `*p` must be properly aligned even when using raw pointers)
[INFO] [stderr]     = note: this warning originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: private trait `AsSlice` in public interface (error E0445)
[INFO] [stderr]   --> src/packet.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 |     pub fn fill_l4<T: AsSlice>(&mut self, l4: T) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(private_in_public)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stderr] 
[INFO] [stderr] warning: private trait `AsSlice` in public interface (error E0445)
[INFO] [stderr]   --> src/packet.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     pub fn fill_l3<T: AsSlice>(&mut self, l3: T) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stderr] 
[INFO] [stderr] warning: associated constant is never used: `DESTINATION_UNREACHABLE`
[INFO] [stderr]  --> src/icmp.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     pub const DESTINATION_UNREACHABLE: Self = Self(3);
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated constant is never used: `SOURCE_QUENCH`
[INFO] [stderr]   --> src/icmp.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub const SOURCE_QUENCH: Self = Self(4);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated constant is never used: `REDIRECT_MESSAGE`
[INFO] [stderr]   --> src/icmp.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     pub const REDIRECT_MESSAGE: Self = Self(5);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated constant is never used: `ROUTER_ADVERTISEMENT`
[INFO] [stderr]   --> src/icmp.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub const ROUTER_ADVERTISEMENT: Self = Self(9);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated constant is never used: `ROUTER_SOLICITATION`
[INFO] [stderr]   --> src/icmp.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub const ROUTER_SOLICITATION: Self = Self(10);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated constant is never used: `TIME_EXCEEDED`
[INFO] [stderr]   --> src/icmp.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub const TIME_EXCEEDED: Self = Self(11);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated constant is never used: `BAD_IP_HEADER`
[INFO] [stderr]   --> src/icmp.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub const BAD_IP_HEADER: Self = Self(12);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated constant is never used: `RESERVED_BIT`
[INFO] [stderr]   --> src/ip.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub const RESERVED_BIT: u16 = 0x8000;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated constant is never used: `DF_BIT`
[INFO] [stderr]   --> src/ip.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub const DF_BIT: u16 = 0x4000;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated constant is never used: `MF_BIT`
[INFO] [stderr]   --> src/ip.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     pub const MF_BIT: u16 = 0x2000;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `version`
[INFO] [stderr]   --> src/ip.rs:43:12
[INFO] [stderr]    |
[INFO] [stderr] 43 |     pub fn version(&self) -> u8 {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `reserved_bit`
[INFO] [stderr]   --> src/ip.rs:51:12
[INFO] [stderr]    |
[INFO] [stderr] 51 |     pub fn reserved_bit(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `df_bit`
[INFO] [stderr]   --> src/ip.rs:56:12
[INFO] [stderr]    |
[INFO] [stderr] 56 |     pub fn df_bit(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `mf_bit`
[INFO] [stderr]   --> src/ip.rs:61:12
[INFO] [stderr]    |
[INFO] [stderr] 61 |     pub fn mf_bit(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `frag_offset`
[INFO] [stderr]   --> src/ip.rs:66:12
[INFO] [stderr]    |
[INFO] [stderr] 66 |     pub fn frag_offset(&self) -> usize {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `PacketView`
[INFO] [stderr]  --> src/packet.rs:6:12
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub struct PacketView<'a> {
[INFO] [stderr]   |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `data_mut`
[INFO] [stderr]    --> src/packet.rs:103:12
[INFO] [stderr]     |
[INFO] [stderr] 103 |     pub fn data_mut(&mut self) -> Option<&mut [u8]> {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `tcp` (bin "tcp" test) generated 25 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.75s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tcp-b5163c45b01e279f)
[INFO] running `Command { std: "docker" "inspect" "d9c98adf376732f8a561b93235a322ab574c370ed2c996d806967df878b3cedb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9c98adf376732f8a561b93235a322ab574c370ed2c996d806967df878b3cedb", kill_on_drop: false }`
[INFO] [stdout] d9c98adf376732f8a561b93235a322ab574c370ed2c996d806967df878b3cedb