[INFO] cloning repository https://github.com/edgar-berms/rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/edgar-berms/rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fedgar-berms%2Frust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fedgar-berms%2Frust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5b83582ed7e1bf2e2ee53ab74bfdf8b639a73cde
[INFO] checking edgar-berms/rust against try#35b6491ce6d2b388d0a5de1e59e2123604af807f for pr-136539
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fedgar-berms%2Frust" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/edgar-berms/rust on toolchain 35b6491ce6d2b388d0a5de1e59e2123604af807f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+35b6491ce6d2b388d0a5de1e59e2123604af807f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/edgar-berms/rust
[INFO] finished tweaking git repo https://github.com/edgar-berms/rust
[INFO] tweaked toml for git repo https://github.com/edgar-berms/rust written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/edgar-berms/rust 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" "+35b6491ce6d2b388d0a5de1e59e2123604af807f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+35b6491ce6d2b388d0a5de1e59e2123604af807f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a2179435205c541a130bfed5a53fb008c8ec0462666467eeafb32cb3168e169f
[INFO] running `Command { std: "docker" "start" "-a" "a2179435205c541a130bfed5a53fb008c8ec0462666467eeafb32cb3168e169f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2179435205c541a130bfed5a53fb008c8ec0462666467eeafb32cb3168e169f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2179435205c541a130bfed5a53fb008c8ec0462666467eeafb32cb3168e169f", kill_on_drop: false }`
[INFO] [stdout] a2179435205c541a130bfed5a53fb008c8ec0462666467eeafb32cb3168e169f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+35b6491ce6d2b388d0a5de1e59e2123604af807f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51f1d8c44173886a2243f49170e25255ac2fce51638a5cc6961f55f279330adb
[INFO] running `Command { std: "docker" "start" "-a" "51f1d8c44173886a2243f49170e25255ac2fce51638a5cc6961f55f279330adb", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Checking base64 v0.21.7
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking common v0.1.0 (/opt/rustwide/workdir/common)
[INFO] [stderr]     Checking server v0.1.0 (/opt/rustwide/workdir/server)
[INFO] [stderr]     Checking client v0.1.0 (/opt/rustwide/workdir/client)
[INFO] [stdout] warning: unused import: `decode_maze`
[INFO] [stdout]  --> client/src/main.rs:5:25
[INFO] [stdout]   |
[INFO] [stdout] 5 | use maze::{encode_maze, decode_maze};
[INFO] [stdout]   |                         ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `decode_maze`
[INFO] [stdout]  --> client/src/main.rs:5:25
[INFO] [stdout]   |
[INFO] [stdout] 5 | use maze::{encode_maze, decode_maze};
[INFO] [stdout]   |                         ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Passage` is never used
[INFO] [stdout]  --> client/src/radar.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum Passage {
[INFO] [stdout]   |          ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Passage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `RadarItem` is never used
[INFO] [stdout]   --> client/src/radar.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub enum RadarItem {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RadarItem` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `to_bits` and `from_bits` are never used
[INFO] [stdout]   --> client/src/radar.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl RadarItem {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] 22 |     pub fn to_bits(&self) -> u8 {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub fn from_bits(bits: u8) -> RadarItem {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Passage` is never used
[INFO] [stdout]  --> client/src/radar.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum Passage {
[INFO] [stdout]   |          ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Passage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `RadarItem` is never used
[INFO] [stdout]   --> client/src/radar.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub enum RadarItem {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RadarItem` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `to_bits` and `from_bits` are never used
[INFO] [stdout]   --> client/src/radar.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 46 | impl Passage {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] 47 |     pub fn to_bits(&self) -> u8 {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 |     pub fn from_bits(bits: u8) -> Passage {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `encode_passages` is never used
[INFO] [stdout]   --> client/src/radar.rs:65:8
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub fn encode_passages(passages: &[Passage]) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `encode_radar_items` is never used
[INFO] [stdout]   --> client/src/radar.rs:83:8
[INFO] [stdout]    |
[INFO] [stdout] 83 | pub fn encode_radar_items(items: &[RadarItem]) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `decode_passages` is never used
[INFO] [stdout]    --> client/src/radar.rs:101:8
[INFO] [stdout]     |
[INFO] [stdout] 101 | pub fn decode_passages(bytes: &[u8], expected_count: usize) -> Vec<Passage> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `to_bits` and `from_bits` are never used
[INFO] [stdout]   --> client/src/radar.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl RadarItem {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] 22 |     pub fn to_bits(&self) -> u8 {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub fn from_bits(bits: u8) -> RadarItem {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `to_bits` and `from_bits` are never used
[INFO] [stdout]   --> client/src/radar.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 46 | impl Passage {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] 47 |     pub fn to_bits(&self) -> u8 {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 |     pub fn from_bits(bits: u8) -> Passage {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `decode_radar_items` is never used
[INFO] [stdout]    --> client/src/radar.rs:115:8
[INFO] [stdout]     |
[INFO] [stdout] 115 | pub fn decode_radar_items(bytes: &[u8], expected_count: usize) -> Vec<RadarItem> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `encode_passages` is never used
[INFO] [stdout]   --> client/src/radar.rs:65:8
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub fn encode_passages(passages: &[Passage]) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `encode_radar_items` is never used
[INFO] [stdout]   --> client/src/radar.rs:83:8
[INFO] [stdout]    |
[INFO] [stdout] 83 | pub fn encode_radar_items(items: &[RadarItem]) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `decode_passages` is never used
[INFO] [stdout]    --> client/src/radar.rs:101:8
[INFO] [stdout]     |
[INFO] [stdout] 101 | pub fn decode_passages(bytes: &[u8], expected_count: usize) -> Vec<Passage> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `B64_ALPHABET` is never used
[INFO] [stdout]  --> client/src/text.rs:1:7
[INFO] [stdout]   |
[INFO] [stdout] 1 | const B64_ALPHABET: &[u8] = b"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789+/";
[INFO] [stdout]   |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `decode_radar_items` is never used
[INFO] [stdout]    --> client/src/radar.rs:115:8
[INFO] [stdout]     |
[INFO] [stdout] 115 | pub fn decode_radar_items(bytes: &[u8], expected_count: usize) -> Vec<RadarItem> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `B64_ALPHABET` is never used
[INFO] [stdout]  --> client/src/text.rs:1:7
[INFO] [stdout]   |
[INFO] [stdout] 1 | const B64_ALPHABET: &[u8] = b"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789+/";
[INFO] [stdout]   |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `encode` is never used
[INFO] [stdout]  --> client/src/text.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn encode(input: &[u8]) -> String {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `encode` is never used
[INFO] [stdout]  --> client/src/text.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn encode(input: &[u8]) -> String {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `decode` is never used
[INFO] [stdout]   --> client/src/text.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn decode(input: &str) -> Result<Vec<u8>, &'static str> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `decode_maze` is never used
[INFO] [stdout]   --> client/src/maze.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn decode_maze(encoded: &str) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `decode_wall_bits` is never used
[INFO] [stdout]   --> client/src/maze.rs:60:4
[INFO] [stdout]    |
[INFO] [stdout] 60 | fn decode_wall_bits(walls_bytes: &[u8]) -> Vec<u8> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `decode` is never used
[INFO] [stdout]   --> client/src/text.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn decode(input: &str) -> Result<Vec<u8>, &'static str> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `decode_maze` is never used
[INFO] [stdout]   --> client/src/maze.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn decode_maze(encoded: &str) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `decode_wall_bits` is never used
[INFO] [stdout]   --> client/src/maze.rs:60:4
[INFO] [stdout]    |
[INFO] [stdout] 60 | fn decode_wall_bits(walls_bytes: &[u8]) -> Vec<u8> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "51f1d8c44173886a2243f49170e25255ac2fce51638a5cc6961f55f279330adb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51f1d8c44173886a2243f49170e25255ac2fce51638a5cc6961f55f279330adb", kill_on_drop: false }`
[INFO] [stdout] 51f1d8c44173886a2243f49170e25255ac2fce51638a5cc6961f55f279330adb