[INFO] crate base64s 0.1.0 is already in cache
[INFO] checking base64s-0.1.0 against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] extracting crate base64s 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate base64s 0.1.0 on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate base64s 0.1.0
[INFO] finished tweaking crates.io crate base64s 0.1.0
[INFO] tweaked toml for crates.io crate base64s 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 37c72b96b37a17d021f2281a70c72cc29b80bc68a29cd5f9d2a072835b729c7f
[INFO] running `"docker" "start" "-a" "37c72b96b37a17d021f2281a70c72cc29b80bc68a29cd5f9d2a072835b729c7f"`
[INFO] [stderr]     Checking base64s v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `binary_vec_vec`
[INFO] [stderr]    --> src/bases.rs:193:17
[INFO] [stderr]     |
[INFO] [stderr] 193 |         let mut binary_vec_vec: Vec<Vec<i32>> = Vec::new();
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_binary_vec_vec`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/bases.rs:202:13
[INFO] [stderr]     |
[INFO] [stderr] 202 |         for i in pad_number{
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]    --> src/bases.rs:210:17
[INFO] [stderr]     |
[INFO] [stderr] 210 |             Err(err) => {
[INFO] [stderr]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `binary_vec_vec`
[INFO] [stderr]    --> src/bases.rs:222:13
[INFO] [stderr]     |
[INFO] [stderr] 222 |         let binary_vec_vec: Vec<Vec<i32>> = Vec::new();
[INFO] [stderr]     |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_binary_vec_vec`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/bases.rs:231:13
[INFO] [stderr]     |
[INFO] [stderr] 231 |         for i in pad_number{
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]    --> src/bases.rs:239:17
[INFO] [stderr]     |
[INFO] [stderr] 239 |             Err(err) => {
[INFO] [stderr]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/bases.rs:282:13
[INFO] [stderr]     |
[INFO] [stderr] 282 |         for i in 0..number{
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/bases.rs:309:17
[INFO] [stderr]     |
[INFO] [stderr] 309 |             for i in 0..24 - remainder{
[INFO] [stderr]     |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/bases.rs:372:13
[INFO] [stderr]     |
[INFO] [stderr] 372 |         for i in 0..pad_number{
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/bases.rs:375:13
[INFO] [stderr]     |
[INFO] [stderr] 375 |         for i in 0..pad_number{
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/bases.rs:191:13
[INFO] [stderr]     |
[INFO] [stderr] 191 |         let mut char_vec = self.contrary_mapping(value, false);
[INFO] [stderr]     |             ----^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/bases.rs:193:13
[INFO] [stderr]     |
[INFO] [stderr] 193 |         let mut binary_vec_vec: Vec<Vec<i32>> = Vec::new();
[INFO] [stderr]     |             ----^^^^^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/bases.rs:220:13
[INFO] [stderr]     |
[INFO] [stderr] 220 |         let mut char_vec = self.contrary_mapping(value, true);
[INFO] [stderr]     |             ----^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `binary_vec_vec`
[INFO] [stderr]    --> src/bases.rs:193:17
[INFO] [stderr]     |
[INFO] [stderr] 193 |         let mut binary_vec_vec: Vec<Vec<i32>> = Vec::new();
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_binary_vec_vec`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/bases.rs:202:13
[INFO] [stderr]     |
[INFO] [stderr] 202 |         for i in pad_number{
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]    --> src/bases.rs:210:17
[INFO] [stderr]     |
[INFO] [stderr] 210 |             Err(err) => {
[INFO] [stderr]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `binary_vec_vec`
[INFO] [stderr]    --> src/bases.rs:222:13
[INFO] [stderr]     |
[INFO] [stderr] 222 |         let binary_vec_vec: Vec<Vec<i32>> = Vec::new();
[INFO] [stderr]     |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_binary_vec_vec`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/bases.rs:231:13
[INFO] [stderr]     |
[INFO] [stderr] 231 |         for i in pad_number{
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]    --> src/bases.rs:239:17
[INFO] [stderr]     |
[INFO] [stderr] 239 |             Err(err) => {
[INFO] [stderr]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/bases.rs:282:13
[INFO] [stderr]     |
[INFO] [stderr] 282 |         for i in 0..number{
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/bases.rs:309:17
[INFO] [stderr]     |
[INFO] [stderr] 309 |             for i in 0..24 - remainder{
[INFO] [stderr]     |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/bases.rs:372:13
[INFO] [stderr]     |
[INFO] [stderr] 372 |         for i in 0..pad_number{
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/bases.rs:375:13
[INFO] [stderr]     |
[INFO] [stderr] 375 |         for i in 0..pad_number{
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/bases.rs:191:13
[INFO] [stderr]     |
[INFO] [stderr] 191 |         let mut char_vec = self.contrary_mapping(value, false);
[INFO] [stderr]     |             ----^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/bases.rs:193:13
[INFO] [stderr]     |
[INFO] [stderr] 193 |         let mut binary_vec_vec: Vec<Vec<i32>> = Vec::new();
[INFO] [stderr]     |             ----^^^^^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/bases.rs:220:13
[INFO] [stderr]     |
[INFO] [stderr] 220 |         let mut char_vec = self.contrary_mapping(value, true);
[INFO] [stderr]     |             ----^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `"docker" "inspect" "37c72b96b37a17d021f2281a70c72cc29b80bc68a29cd5f9d2a072835b729c7f"`
[INFO] running `"docker" "rm" "-f" "37c72b96b37a17d021f2281a70c72cc29b80bc68a29cd5f9d2a072835b729c7f"`
[INFO] [stdout] 37c72b96b37a17d021f2281a70c72cc29b80bc68a29cd5f9d2a072835b729c7f
