[INFO] cloning repository https://github.com/veqox/gravitas-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/veqox/gravitas-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fveqox%2Fgravitas-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fveqox%2Fgravitas-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d0aa5b7b51708b46617f4174af7c798f5af6cbb4
[INFO] fixing veqox/gravitas-rs against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=start=2015 for pr-157817-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fveqox%2Fgravitas-rs" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/veqox/gravitas-rs
[INFO] finished tweaking git repo https://github.com/veqox/gravitas-rs
[INFO] tweaked toml for git repo https://github.com/veqox/gravitas-rs written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/veqox/gravitas-rs on toolchain 622891a4e29178280638a6b63a8908bde2c0c854
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/veqox/gravitas-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 0a24a3611c2840efa84e5dcf8d0f155832a87063d179930ef210a5c75c5e2565
[INFO] running `Command { std: "docker" "start" "0a24a3611c2840efa84e5dcf8d0f155832a87063d179930ef210a5c75c5e2565", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "0a24a3611c2840efa84e5dcf8d0f155832a87063d179930ef210a5c75c5e2565" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a24a3611c2840efa84e5dcf8d0f155832a87063d179930ef210a5c75c5e2565", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=" "-e" "RUSTDOCFLAGS=" "-w" "/opt/rustwide/workdir" "--user" "0:0" "0a24a3611c2840efa84e5dcf8d0f155832a87063d179930ef210a5c75c5e2565" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=start=2015", kill_on_drop: false }`
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking jiff v0.2.14
[INFO] [stderr]     Checking dns v0.1.0 (/opt/rustwide/workdir/crates/dns)
[INFO] [stdout] warning: unused imports: `class::Class` and `r#type::Type`
[INFO] [stdout]   --> crates/dns/src/packet.rs:4:5
[INFO] [stdout]    |
[INFO] [stdout]  4 |     class::Class,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 12 |     r#type::Type,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `f64::NAN`
[INFO] [stdout]  --> crates/dns/src/question.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{f64::NAN, fmt::Debug};
[INFO] [stdout]   |           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> crates/dns/src/question.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 |     class::{self, Class},
[INFO] [stdout]   |             ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `class::Class` and `r#type::Type`
[INFO] [stdout]   --> crates/dns/src/packet.rs:4:5
[INFO] [stdout]    |
[INFO] [stdout]  4 |     class::Class,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 12 |     r#type::Type,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `f64::NAN`
[INFO] [stdout]  --> crates/dns/src/question.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{f64::NAN, fmt::Debug};
[INFO] [stdout]   |           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> crates/dns/src/question.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 |     class::{self, Class},
[INFO] [stdout]   |             ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `answer`
[INFO] [stdout]   --> crates/dns/src/packet.rs:71:34
[INFO] [stdout]    |
[INFO] [stdout] 71 |     pub fn add_answer(&mut self, answer: Record) {
[INFO] [stdout]    |                                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_answer`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `answer_start`
[INFO] [stdout]   --> crates/dns/src/packet.rs:72:13
[INFO] [stdout]    |
[INFO] [stdout] 72 |         let answer_start =
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_answer_start`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `answer`
[INFO] [stdout]   --> crates/dns/src/packet.rs:71:34
[INFO] [stdout]    |
[INFO] [stdout] 71 |     pub fn add_answer(&mut self, answer: Record) {
[INFO] [stdout]    |                                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_answer`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `answer_start`
[INFO] [stdout]   --> crates/dns/src/packet.rs:72:13
[INFO] [stdout]    |
[INFO] [stdout] 72 |         let answer_start =
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_answer_start`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `buf` is never read
[INFO] [stdout]   --> crates/dns/src/packet.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Packet<'a> {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 17 |     buf: &'a mut [u8; 4096],
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Packet` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `read_bytes` is never used
[INFO] [stdout]   --> crates/dns/src/proto/decoder.rs:54:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl<'a> Decoder<'a> {
[INFO] [stdout]    | -------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 54 |     pub fn read_bytes(&mut self, len: usize) -> Result<&'a [u8], CodecError> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Encode` is never used
[INFO] [stdout]  --> crates/dns/src/proto/encoder.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait Encode<'a>: Sized {
[INFO] [stdout]   |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Encoder` is never constructed
[INFO] [stdout]  --> crates/dns/src/proto/encoder.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Encoder<'a> {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> crates/dns/src/proto/encoder.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl<'a> Encoder<'a> {
[INFO] [stdout]    | -------------------- associated items in this implementation
[INFO] [stdout] 13 |     pub fn new(buf: &'a mut [u8; 4096]) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub fn remaining(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub fn position(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub fn write_u32(&mut self, value: u32) -> Result<(), CodecError> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     pub fn write_u16(&mut self, value: u16) -> Result<(), CodecError> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub fn write_u8(&mut self, value: u8) -> Result<(), CodecError> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub fn write_bytes(&mut self, bytes: &[u8]) -> Result<(), CodecError> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 |     pub fn copy_within(&mut self, start: usize, len: usize) -> Result<(), CodecError> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `size` is never used
[INFO] [stdout]    --> crates/dns/src/record.rs:171:8
[INFO] [stdout]     |
[INFO] [stdout] 170 | impl<'a> RecordData {
[INFO] [stdout]     | ------------------- method in this implementation
[INFO] [stdout] 171 |     fn size(&self) -> usize {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `buf` is never read
[INFO] [stdout]   --> crates/dns/src/packet.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Packet<'a> {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 17 |     buf: &'a mut [u8; 4096],
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Packet` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `read_bytes` is never used
[INFO] [stdout]   --> crates/dns/src/proto/decoder.rs:54:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl<'a> Decoder<'a> {
[INFO] [stdout]    | -------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 54 |     pub fn read_bytes(&mut self, len: usize) -> Result<&'a [u8], CodecError> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Encode` is never used
[INFO] [stdout]  --> crates/dns/src/proto/encoder.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait Encode<'a>: Sized {
[INFO] [stdout]   |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Encoder` is never constructed
[INFO] [stdout]  --> crates/dns/src/proto/encoder.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Encoder<'a> {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> crates/dns/src/proto/encoder.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl<'a> Encoder<'a> {
[INFO] [stdout]    | -------------------- associated items in this implementation
[INFO] [stdout] 13 |     pub fn new(buf: &'a mut [u8; 4096]) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub fn remaining(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub fn position(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub fn write_u32(&mut self, value: u32) -> Result<(), CodecError> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     pub fn write_u16(&mut self, value: u16) -> Result<(), CodecError> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub fn write_u8(&mut self, value: u8) -> Result<(), CodecError> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub fn write_bytes(&mut self, bytes: &[u8]) -> Result<(), CodecError> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 |     pub fn copy_within(&mut self, start: usize, len: usize) -> Result<(), CodecError> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `size` is never used
[INFO] [stdout]    --> crates/dns/src/record.rs:171:8
[INFO] [stdout]     |
[INFO] [stdout] 170 | impl<'a> RecordData {
[INFO] [stdout]     | ------------------- method in this implementation
[INFO] [stdout] 171 |     fn size(&self) -> usize {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking env_filter v0.1.3
[INFO] [stderr]     Checking env_logger v0.11.8
[INFO] [stderr]     Checking gravitas v0.1.0 (/opt/rustwide/workdir/crates/gravitas)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> crates/gravitas/src/main.rs:44:45
[INFO] [stdout]    |
[INFO] [stdout] 44 |         let packet = match Packet::from_buf(&buf[..len]) {
[INFO] [stdout]    |                            ---------------- ^^^^^^^^^^^ types differ in mutability
[INFO] [stdout]    |                            |
[INFO] [stdout]    |                            arguments to this function are incorrect
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected mutable reference `&mut [u8; 4096]`
[INFO] [stdout]                       found reference `&[u8]`
[INFO] [stdout] note: associated function defined here
[INFO] [stdout]   --> crates/dns/src/packet.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn from_buf(buf: &'a mut [u8; 4096]) -> Result<Self, CodecError> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> crates/gravitas/src/main.rs:44:45
[INFO] [stdout]    |
[INFO] [stdout] 44 |         let packet = match Packet::from_buf(&buf[..len]) {
[INFO] [stdout]    |                            ---------------- ^^^^^^^^^^^ types differ in mutability
[INFO] [stdout]    |                            |
[INFO] [stdout]    |                            arguments to this function are incorrect
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected mutable reference `&mut [u8; 4096]`
[INFO] [stdout]                       found reference `&[u8]`
[INFO] [stdout] note: associated function defined here
[INFO] [stdout]   --> crates/dns/src/packet.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn from_buf(buf: &'a mut [u8; 4096]) -> Result<Self, CodecError> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `write_to` found for struct `Packet<'a>` in the current scope
[INFO] [stdout]   --> crates/gravitas/src/main.rs:92:28
[INFO] [stdout]    |
[INFO] [stdout] 92 |         let len = response.write_to(&mut buf).unwrap();
[INFO] [stdout]    |                            ^^^^^^^^ method not found in `Packet<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `write_to` found for struct `Packet<'a>` in the current scope
[INFO] [stdout]   --> crates/gravitas/src/main.rs:92:28
[INFO] [stdout]    |
[INFO] [stdout] 92 |         let len = response.write_to(&mut buf).unwrap();
[INFO] [stdout]    |                            ^^^^^^^^ method not found in `Packet<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `gravitas` (bin "gravitas") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `gravitas` (bin "gravitas" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "0a24a3611c2840efa84e5dcf8d0f155832a87063d179930ef210a5c75c5e2565", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a24a3611c2840efa84e5dcf8d0f155832a87063d179930ef210a5c75c5e2565", kill_on_drop: false }`
[INFO] [stdout] 0a24a3611c2840efa84e5dcf8d0f155832a87063d179930ef210a5c75c5e2565
