[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] testing 5herlocked/number-base-converter against 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F5herlocked%2Fnumber-base-converter" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/5herlocked/number-base-converter on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "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-2/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" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 52b3eaca26991f8d367a2e2d3c2a58a627b270a9209d67439ee4b778e9098e0b
[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" "52b3eaca26991f8d367a2e2d3c2a58a627b270a9209d67439ee4b778e9098e0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "52b3eaca26991f8d367a2e2d3c2a58a627b270a9209d67439ee4b778e9098e0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52b3eaca26991f8d367a2e2d3c2a58a627b270a9209d67439ee4b778e9098e0b", kill_on_drop: false }`
[INFO] [stdout] 52b3eaca26991f8d367a2e2d3c2a58a627b270a9209d67439ee4b778e9098e0b
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--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] 175c28943de1e38d3584b4ac9de8b8b205672f33d45c420b1c756b9fbcb02c94
[INFO] running `Command { std: "docker" "start" "-a" "175c28943de1e38d3584b4ac9de8b8b205672f33d45c420b1c756b9fbcb02c94", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "175c28943de1e38d3584b4ac9de8b8b205672f33d45c420b1c756b9fbcb02c94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "175c28943de1e38d3584b4ac9de8b8b205672f33d45c420b1c756b9fbcb02c94", kill_on_drop: false }`
[INFO] [stdout] 175c28943de1e38d3584b4ac9de8b8b205672f33d45c420b1c756b9fbcb02c94
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--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] 906b8b66579f8d29b0652e018754d980b8cbc87d31e4ae813327efde4ec116ce
[INFO] running `Command { std: "docker" "start" "-a" "906b8b66579f8d29b0652e018754d980b8cbc87d31e4ae813327efde4ec116ce", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "906b8b66579f8d29b0652e018754d980b8cbc87d31e4ae813327efde4ec116ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "906b8b66579f8d29b0652e018754d980b8cbc87d31e4ae813327efde4ec116ce", kill_on_drop: false }`
[INFO] [stdout] 906b8b66579f8d29b0652e018754d980b8cbc87d31e4ae813327efde4ec116ce
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 07d9085663490f7f7f48cf35582fb0bb6540391fb16d65c9a3d89d03cfeab5b9
[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" "07d9085663490f7f7f48cf35582fb0bb6540391fb16d65c9a3d89d03cfeab5b9", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `input_number`
[INFO] [stderr]   --> src/main.rs:54:16
[INFO] [stderr]    |
[INFO] [stderr] 54 | fn convert_up (input_number: &isize, input_base: &isize, output_base: &isize) -> String {
[INFO] [stderr]    |                ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_input_number`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input_base`
[INFO] [stderr]   --> src/main.rs:54:38
[INFO] [stderr]    |
[INFO] [stderr] 54 | fn convert_up (input_number: &isize, input_base: &isize, output_base: &isize) -> String {
[INFO] [stderr]    |                                      ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_input_base`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `output_base`
[INFO] [stderr]   --> src/main.rs:54:58
[INFO] [stderr]    |
[INFO] [stderr] 54 | fn convert_up (input_number: &isize, input_base: &isize, output_base: &isize) -> String {
[INFO] [stderr]    |                                                          ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_output_base`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input_number`
[INFO] [stderr]   --> src/main.rs:64:17
[INFO] [stderr]    |
[INFO] [stderr] 64 | fn convert_down(input_number: &isize, input_base: &isize, output_base: &isize) -> String {
[INFO] [stderr]    |                 ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_input_number`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input_base`
[INFO] [stderr]   --> src/main.rs:64:39
[INFO] [stderr]    |
[INFO] [stderr] 64 | fn convert_down(input_number: &isize, input_base: &isize, output_base: &isize) -> String {
[INFO] [stderr]    |                                       ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_input_base`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `output_base`
[INFO] [stderr]   --> src/main.rs:64:59
[INFO] [stderr]    |
[INFO] [stderr] 64 | fn convert_down(input_number: &isize, input_base: &isize, output_base: &isize) -> String {
[INFO] [stderr]    |                                                           ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_output_base`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `raise_to`
[INFO] [stderr]   --> src/main.rs:69:4
[INFO] [stderr]    |
[INFO] [stderr] 69 | fn raise_to (base: &isize, exponent: &isize) -> isize {
[INFO] [stderr]    |    ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `divide_remainder`
[INFO] [stderr]   --> src/main.rs:78:4
[INFO] [stderr]    |
[INFO] [stderr] 78 | fn divide_remainder (numerator: isize, denominator: isize) -> (isize, isize) {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/number_base_converter-14c9abc3dee59460
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "07d9085663490f7f7f48cf35582fb0bb6540391fb16d65c9a3d89d03cfeab5b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07d9085663490f7f7f48cf35582fb0bb6540391fb16d65c9a3d89d03cfeab5b9", kill_on_drop: false }`
[INFO] [stdout] 07d9085663490f7f7f48cf35582fb0bb6540391fb16d65c9a3d89d03cfeab5b9