[INFO] cloning repository https://github.com/5herlocked/number-base-converter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/5herlocked/number-base-converter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F5herlocked%2Fnumber-base-converter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F5herlocked%2Fnumber-base-converter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5592f744aa9fdb1825da116003134cfa33195b9f
[INFO] checking 5herlocked/number-base-converter against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F5herlocked%2Fnumber-base-converter" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/5herlocked/number-base-converter on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/5herlocked/number-base-converter
[INFO] finished tweaking git repo https://github.com/5herlocked/number-base-converter
[INFO] tweaked toml for git repo https://github.com/5herlocked/number-base-converter written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/5herlocked/number-base-converter already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3e2c60dfbdfb728f3a1ad023d7cb7174639185d4d075faf9297a4b7ceed1f08a
[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" "3e2c60dfbdfb728f3a1ad023d7cb7174639185d4d075faf9297a4b7ceed1f08a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e2c60dfbdfb728f3a1ad023d7cb7174639185d4d075faf9297a4b7ceed1f08a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e2c60dfbdfb728f3a1ad023d7cb7174639185d4d075faf9297a4b7ceed1f08a", kill_on_drop: false }`
[INFO] [stdout] 3e2c60dfbdfb728f3a1ad023d7cb7174639185d4d075faf9297a4b7ceed1f08a
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4ec776b88df633ec3db53c41725f0c0aab5f45d46a8fd1c52f4ee8e8e1a5930d
[INFO] running `Command { std: "docker" "start" "-a" "4ec776b88df633ec3db53c41725f0c0aab5f45d46a8fd1c52f4ee8e8e1a5930d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking number-base-converter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `input_number`
[INFO] [stdout]   --> src/main.rs:54:16
[INFO] [stdout]    |
[INFO] [stdout] 54 | fn convert_up (input_number: &isize, input_base: &isize, output_base: &isize) -> String {
[INFO] [stdout]    |                ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_input_number`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input_base`
[INFO] [stdout]   --> src/main.rs:54:38
[INFO] [stdout]    |
[INFO] [stdout] 54 | fn convert_up (input_number: &isize, input_base: &isize, output_base: &isize) -> String {
[INFO] [stdout]    |                                      ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_input_base`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `output_base`
[INFO] [stdout]   --> src/main.rs:54:58
[INFO] [stdout]    |
[INFO] [stdout] 54 | fn convert_up (input_number: &isize, input_base: &isize, output_base: &isize) -> String {
[INFO] [stdout]    |                                                          ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_output_base`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input_number`
[INFO] [stdout]   --> src/main.rs:64:17
[INFO] [stdout]    |
[INFO] [stdout] 64 | fn convert_down(input_number: &isize, input_base: &isize, output_base: &isize) -> String {
[INFO] [stdout]    |                 ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_input_number`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input_base`
[INFO] [stdout]   --> src/main.rs:64:39
[INFO] [stdout]    |
[INFO] [stdout] 64 | fn convert_down(input_number: &isize, input_base: &isize, output_base: &isize) -> String {
[INFO] [stdout]    |                                       ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_input_base`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `output_base`
[INFO] [stdout]   --> src/main.rs:64:59
[INFO] [stdout]    |
[INFO] [stdout] 64 | fn convert_down(input_number: &isize, input_base: &isize, output_base: &isize) -> String {
[INFO] [stdout]    |                                                           ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_output_base`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `raise_to`
[INFO] [stdout]   --> src/main.rs:69:4
[INFO] [stdout]    |
[INFO] [stdout] 69 | fn raise_to (base: &isize, exponent: &isize) -> isize {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `divide_remainder`
[INFO] [stdout]   --> src/main.rs:78:4
[INFO] [stdout]    |
[INFO] [stdout] 78 | fn divide_remainder (numerator: isize, denominator: isize) -> (isize, isize) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input_number`
[INFO] [stdout]   --> src/main.rs:54:16
[INFO] [stdout]    |
[INFO] [stdout] 54 | fn convert_up (input_number: &isize, input_base: &isize, output_base: &isize) -> String {
[INFO] [stdout]    |                ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_input_number`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input_base`
[INFO] [stdout]   --> src/main.rs:54:38
[INFO] [stdout]    |
[INFO] [stdout] 54 | fn convert_up (input_number: &isize, input_base: &isize, output_base: &isize) -> String {
[INFO] [stdout]    |                                      ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_input_base`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `output_base`
[INFO] [stdout]   --> src/main.rs:54:58
[INFO] [stdout]    |
[INFO] [stdout] 54 | fn convert_up (input_number: &isize, input_base: &isize, output_base: &isize) -> String {
[INFO] [stdout]    |                                                          ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_output_base`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input_number`
[INFO] [stdout]   --> src/main.rs:64:17
[INFO] [stdout]    |
[INFO] [stdout] 64 | fn convert_down(input_number: &isize, input_base: &isize, output_base: &isize) -> String {
[INFO] [stdout]    |                 ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_input_number`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input_base`
[INFO] [stdout]   --> src/main.rs:64:39
[INFO] [stdout]    |
[INFO] [stdout] 64 | fn convert_down(input_number: &isize, input_base: &isize, output_base: &isize) -> String {
[INFO] [stdout]    |                                       ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_input_base`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `output_base`
[INFO] [stdout]   --> src/main.rs:64:59
[INFO] [stdout]    |
[INFO] [stdout] 64 | fn convert_down(input_number: &isize, input_base: &isize, output_base: &isize) -> String {
[INFO] [stdout]    |                                                           ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_output_base`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `raise_to`
[INFO] [stdout]   --> src/main.rs:69:4
[INFO] [stdout]    |
[INFO] [stdout] 69 | fn raise_to (base: &isize, exponent: &isize) -> isize {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `divide_remainder`
[INFO] [stdout]   --> src/main.rs:78:4
[INFO] [stdout]    |
[INFO] [stdout] 78 | fn divide_remainder (numerator: isize, denominator: isize) -> (isize, isize) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "4ec776b88df633ec3db53c41725f0c0aab5f45d46a8fd1c52f4ee8e8e1a5930d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ec776b88df633ec3db53c41725f0c0aab5f45d46a8fd1c52f4ee8e8e1a5930d", kill_on_drop: false }`
[INFO] [stdout] 4ec776b88df633ec3db53c41725f0c0aab5f45d46a8fd1c52f4ee8e8e1a5930d