[INFO] fetching crate bases64 0.1.0...
[INFO] testing bases64-0.1.0 against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] extracting crate bases64 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate bases64 0.1.0 on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bases64 0.1.0
[INFO] finished tweaking crates.io crate bases64 0.1.0
[INFO] tweaked toml for crates.io crate bases64 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 953cc5259e1f57403e3a125cefe6980849ab5196e32c06c13f733533f623fd2b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "953cc5259e1f57403e3a125cefe6980849ab5196e32c06c13f733533f623fd2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "953cc5259e1f57403e3a125cefe6980849ab5196e32c06c13f733533f623fd2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "953cc5259e1f57403e3a125cefe6980849ab5196e32c06c13f733533f623fd2b", kill_on_drop: false }`
[INFO] [stdout] 953cc5259e1f57403e3a125cefe6980849ab5196e32c06c13f733533f623fd2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c947d80d45188732397a840cd4ce8cf5d63755ec1a0efbad9866f1f7c42c4c50
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c947d80d45188732397a840cd4ce8cf5d63755ec1a0efbad9866f1f7c42c4c50", kill_on_drop: false }`
[INFO] [stderr]    Compiling bases64 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `binary_vec_vec`
[INFO] [stdout]    --> src/bases.rs:193:17
[INFO] [stdout]     |
[INFO] [stdout] 193 |         let mut binary_vec_vec: Vec<Vec<i32>> = Vec::new();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_binary_vec_vec`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/bases.rs:202:13
[INFO] [stdout]     |
[INFO] [stdout] 202 |         for i in pad_number{
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/bases.rs:210:17
[INFO] [stdout]     |
[INFO] [stdout] 210 |             Err(err) => {
[INFO] [stdout]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `binary_vec_vec`
[INFO] [stdout]    --> src/bases.rs:222:17
[INFO] [stdout]     |
[INFO] [stdout] 222 |         let mut binary_vec_vec: Vec<Vec<i32>> = Vec::new();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_binary_vec_vec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/bases.rs:231:13
[INFO] [stdout]     |
[INFO] [stdout] 231 |         for i in pad_number{
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/bases.rs:239:17
[INFO] [stdout]     |
[INFO] [stdout] 239 |             Err(err) => {
[INFO] [stdout]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/bases.rs:282:13
[INFO] [stdout]     |
[INFO] [stdout] 282 |         for i in 0..number{
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/bases.rs:309:17
[INFO] [stdout]     |
[INFO] [stdout] 309 |             for i in 0..24 - remainder{
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/bases.rs:372:13
[INFO] [stdout]     |
[INFO] [stdout] 372 |         for i in 0..pad_number{
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/bases.rs:375:13
[INFO] [stdout]     |
[INFO] [stdout] 375 |         for i in 0..pad_number{
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bases.rs:191:13
[INFO] [stdout]     |
[INFO] [stdout] 191 |         let mut char_vec = self.contrary_mapping(value, false);
[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: variable does not need to be mutable
[INFO] [stdout]    --> src/bases.rs:193:13
[INFO] [stdout]     |
[INFO] [stdout] 193 |         let mut binary_vec_vec: Vec<Vec<i32>> = Vec::new();
[INFO] [stdout]     |             ----^^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bases.rs:220:13
[INFO] [stdout]     |
[INFO] [stdout] 220 |         let mut char_vec = self.contrary_mapping(value, true);
[INFO] [stdout]     |             ----^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bases.rs:222:13
[INFO] [stdout]     |
[INFO] [stdout] 222 |         let mut binary_vec_vec: Vec<Vec<i32>> = Vec::new();
[INFO] [stdout]     |             ----^^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bases.rs:342:13
[INFO] [stdout]     |
[INFO] [stdout] 342 |         let mut pad_number = padding_number / 8; // 根据补0数计算补位数
[INFO] [stdout]     |             ----^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "c947d80d45188732397a840cd4ce8cf5d63755ec1a0efbad9866f1f7c42c4c50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c947d80d45188732397a840cd4ce8cf5d63755ec1a0efbad9866f1f7c42c4c50", kill_on_drop: false }`
[INFO] [stdout] c947d80d45188732397a840cd4ce8cf5d63755ec1a0efbad9866f1f7c42c4c50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d5ddaa0e46cb29795ab0e4f01b34f2077a880102a3a37a2ac1043f7ea6f02e9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2d5ddaa0e46cb29795ab0e4f01b34f2077a880102a3a37a2ac1043f7ea6f02e9", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `binary_vec_vec`
[INFO] [stdout]    --> src/bases.rs:193:17
[INFO] [stdout]     |
[INFO] [stdout] 193 |         let mut binary_vec_vec: Vec<Vec<i32>> = Vec::new();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_binary_vec_vec`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling bases64 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/bases.rs:202:13
[INFO] [stdout]     |
[INFO] [stdout] 202 |         for i in pad_number{
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/bases.rs:210:17
[INFO] [stdout]     |
[INFO] [stdout] 210 |             Err(err) => {
[INFO] [stdout]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `binary_vec_vec`
[INFO] [stdout]    --> src/bases.rs:222:17
[INFO] [stdout]     |
[INFO] [stdout] 222 |         let mut binary_vec_vec: Vec<Vec<i32>> = Vec::new();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_binary_vec_vec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/bases.rs:231:13
[INFO] [stdout]     |
[INFO] [stdout] 231 |         for i in pad_number{
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/bases.rs:239:17
[INFO] [stdout]     |
[INFO] [stdout] 239 |             Err(err) => {
[INFO] [stdout]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/bases.rs:282:13
[INFO] [stdout]     |
[INFO] [stdout] 282 |         for i in 0..number{
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/bases.rs:309:17
[INFO] [stdout]     |
[INFO] [stdout] 309 |             for i in 0..24 - remainder{
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/bases.rs:372:13
[INFO] [stdout]     |
[INFO] [stdout] 372 |         for i in 0..pad_number{
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/bases.rs:375:13
[INFO] [stdout]     |
[INFO] [stdout] 375 |         for i in 0..pad_number{
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bases.rs:191:13
[INFO] [stdout]     |
[INFO] [stdout] 191 |         let mut char_vec = self.contrary_mapping(value, false);
[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: variable does not need to be mutable
[INFO] [stdout]    --> src/bases.rs:193:13
[INFO] [stdout]     |
[INFO] [stdout] 193 |         let mut binary_vec_vec: Vec<Vec<i32>> = Vec::new();
[INFO] [stdout]     |             ----^^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bases.rs:220:13
[INFO] [stdout]     |
[INFO] [stdout] 220 |         let mut char_vec = self.contrary_mapping(value, true);
[INFO] [stdout]     |             ----^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bases.rs:222:13
[INFO] [stdout]     |
[INFO] [stdout] 222 |         let mut binary_vec_vec: Vec<Vec<i32>> = Vec::new();
[INFO] [stdout]     |             ----^^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bases.rs:342:13
[INFO] [stdout]     |
[INFO] [stdout] 342 |         let mut pad_number = padding_number / 8; // 根据补0数计算补位数
[INFO] [stdout]     |             ----^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `binary_vec_vec`
[INFO] [stdout]    --> src/bases.rs:193:17
[INFO] [stdout]     |
[INFO] [stdout] 193 |         let mut binary_vec_vec: Vec<Vec<i32>> = Vec::new();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_binary_vec_vec`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/bases.rs:202:13
[INFO] [stdout]     |
[INFO] [stdout] 202 |         for i in pad_number{
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/bases.rs:210:17
[INFO] [stdout]     |
[INFO] [stdout] 210 |             Err(err) => {
[INFO] [stdout]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `binary_vec_vec`
[INFO] [stdout]    --> src/bases.rs:222:17
[INFO] [stdout]     |
[INFO] [stdout] 222 |         let mut binary_vec_vec: Vec<Vec<i32>> = Vec::new();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_binary_vec_vec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/bases.rs:231:13
[INFO] [stdout]     |
[INFO] [stdout] 231 |         for i in pad_number{
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/bases.rs:239:17
[INFO] [stdout]     |
[INFO] [stdout] 239 |             Err(err) => {
[INFO] [stdout]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/bases.rs:282:13
[INFO] [stdout]     |
[INFO] [stdout] 282 |         for i in 0..number{
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/bases.rs:309:17
[INFO] [stdout]     |
[INFO] [stdout] 309 |             for i in 0..24 - remainder{
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/bases.rs:372:13
[INFO] [stdout]     |
[INFO] [stdout] 372 |         for i in 0..pad_number{
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/bases.rs:375:13
[INFO] [stdout]     |
[INFO] [stdout] 375 |         for i in 0..pad_number{
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bases.rs:191:13
[INFO] [stdout]     |
[INFO] [stdout] 191 |         let mut char_vec = self.contrary_mapping(value, false);
[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: variable does not need to be mutable
[INFO] [stdout]    --> src/bases.rs:193:13
[INFO] [stdout]     |
[INFO] [stdout] 193 |         let mut binary_vec_vec: Vec<Vec<i32>> = Vec::new();
[INFO] [stdout]     |             ----^^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bases.rs:220:13
[INFO] [stdout]     |
[INFO] [stdout] 220 |         let mut char_vec = self.contrary_mapping(value, true);
[INFO] [stdout]     |             ----^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bases.rs:222:13
[INFO] [stdout]     |
[INFO] [stdout] 222 |         let mut binary_vec_vec: Vec<Vec<i32>> = Vec::new();
[INFO] [stdout]     |             ----^^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bases.rs:342:13
[INFO] [stdout]     |
[INFO] [stdout] 342 |         let mut pad_number = padding_number / 8; // 根据补0数计算补位数
[INFO] [stdout]     |             ----^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.51s
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2d5ddaa0e46cb29795ab0e4f01b34f2077a880102a3a37a2ac1043f7ea6f02e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d5ddaa0e46cb29795ab0e4f01b34f2077a880102a3a37a2ac1043f7ea6f02e9", kill_on_drop: false }`
[INFO] [stdout] 2d5ddaa0e46cb29795ab0e4f01b34f2077a880102a3a37a2ac1043f7ea6f02e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c95101cc376c8a1e10e5d660a949a87bf785908a28837bf677628ee476e00ce0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c95101cc376c8a1e10e5d660a949a87bf785908a28837bf677628ee476e00ce0", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused variable: `binary_vec_vec`
[INFO] [stdout] running 0 tests
[INFO] [stderr]    --> src/bases.rs:193:17
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 193 |         let mut binary_vec_vec: Vec<Vec<i32>> = Vec::new();
[INFO] [stdout] 
[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:222:17
[INFO] [stderr]     |
[INFO] [stderr] 222 |         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] 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: variable does not need to be mutable
[INFO] [stderr]    --> src/bases.rs:222:13
[INFO] [stderr]     |
[INFO] [stderr] 222 |         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:342:13
[INFO] [stderr]     |
[INFO] [stderr] 342 |         let mut pad_number = padding_number / 8; // 根据补0数计算补位数
[INFO] [stderr]     |             ----^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: 15 warnings emitted
[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:222:17
[INFO] [stderr]     |
[INFO] [stderr] 222 |         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] 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: variable does not need to be mutable
[INFO] [stderr]    --> src/bases.rs:222:13
[INFO] [stderr]     |
[INFO] [stderr] 222 |         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:342:13
[INFO] [stderr]     |
[INFO] [stderr] 342 |         let mut pad_number = padding_number / 8; // 根据补0数计算补位数
[INFO] [stderr]     |             ----^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: 15 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bases64-aef0d9b8a6ae3e1b)
[INFO] [stderr]    Doc-tests bases64
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - (line 61) ... ok
[INFO] [stdout] test src/lib.rs - (line 35) ... ok
[INFO] [stdout] test src/lib.rs - (line 47) ... ok
[INFO] [stdout] test src/lib.rs - (line 73) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.57s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c95101cc376c8a1e10e5d660a949a87bf785908a28837bf677628ee476e00ce0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c95101cc376c8a1e10e5d660a949a87bf785908a28837bf677628ee476e00ce0", kill_on_drop: false }`
[INFO] [stdout] c95101cc376c8a1e10e5d660a949a87bf785908a28837bf677628ee476e00ce0