[INFO] updating cached repository https://github.com/gt124/rust_calculator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] deaeebb42f7ec295e934ed65b37925619a6db3dc
[INFO] testing gt124/rust_calculator/deaeebb42f7ec295e934ed65b37925619a6db3dc against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgt124%2Frust_calculator" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gt124/rust_calculator on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gt124/rust_calculator
[INFO] finished tweaking git repo https://github.com/gt124/rust_calculator
[INFO] tweaked toml for git repo https://github.com/gt124/rust_calculator written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/gt124/rust_calculator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dfce4a836d54f66610ead189886ad5b545a03c67e0f4fb449d0be6460e6ef030
[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" "dfce4a836d54f66610ead189886ad5b545a03c67e0f4fb449d0be6460e6ef030", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dfce4a836d54f66610ead189886ad5b545a03c67e0f4fb449d0be6460e6ef030", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfce4a836d54f66610ead189886ad5b545a03c67e0f4fb449d0be6460e6ef030", kill_on_drop: false }`
[INFO] [stdout] dfce4a836d54f66610ead189886ad5b545a03c67e0f4fb449d0be6460e6ef030
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f76b50fe9fd032cd1da60470a54353c1317d4d4fe8d1edbdf92ecf5c56d8cbc
[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" "6f76b50fe9fd032cd1da60470a54353c1317d4d4fe8d1edbdf92ecf5c56d8cbc", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_calculator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/big_calc.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn new() -> CalcHugeStrings {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `testy`
[INFO] [stdout]   --> src/big_calc.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn testy(&self){
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add`
[INFO] [stdout]   --> src/big_calc.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn add(&self, left: &'static str, right: &'static str) -> i32{
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pad_to_same_length`
[INFO] [stdout]   --> src/big_calc.rs:64:8
[INFO] [stdout]    |
[INFO] [stdout] 64 |     fn pad_to_same_length(&self, _left: &'static str, _right: &'static str ) -> (String, String) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_two_and_carry`
[INFO] [stdout]   --> src/big_calc.rs:75:8
[INFO] [stdout]    |
[INFO] [stdout] 75 |     fn add_two_and_carry(&self, _left: char, _right: char, _carry: bool) -> (bool, u32) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "6f76b50fe9fd032cd1da60470a54353c1317d4d4fe8d1edbdf92ecf5c56d8cbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f76b50fe9fd032cd1da60470a54353c1317d4d4fe8d1edbdf92ecf5c56d8cbc", kill_on_drop: false }`
[INFO] [stdout] 6f76b50fe9fd032cd1da60470a54353c1317d4d4fe8d1edbdf92ecf5c56d8cbc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 293c9b1d9968b9001912ffaa69723b9bb75b0f95ba6a16bab4c1dd6c7f884436
[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" "293c9b1d9968b9001912ffaa69723b9bb75b0f95ba6a16bab4c1dd6c7f884436", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_calculator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.46s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_calculator-d8498f98641ce35f)
[INFO] running `Command { std: "docker" "inspect" "293c9b1d9968b9001912ffaa69723b9bb75b0f95ba6a16bab4c1dd6c7f884436", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "293c9b1d9968b9001912ffaa69723b9bb75b0f95ba6a16bab4c1dd6c7f884436", kill_on_drop: false }`
[INFO] [stdout] 293c9b1d9968b9001912ffaa69723b9bb75b0f95ba6a16bab4c1dd6c7f884436
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d205648579652e846181673573c5c88a4bb733728f9b16445b9ff37277d7627e
[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" "d205648579652e846181673573c5c88a4bb733728f9b16445b9ff37277d7627e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_calculator-d8498f98641ce35f)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test big_calc::tests::add_something_test ... ok
[INFO] [stdout] test big_calc::tests::add_test ... ok
[INFO] [stdout] test big_calc::tests::add_two_and_carry_test ... ok
[INFO] [stdout] test big_calc::tests::pad_to_same_length_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d205648579652e846181673573c5c88a4bb733728f9b16445b9ff37277d7627e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d205648579652e846181673573c5c88a4bb733728f9b16445b9ff37277d7627e", kill_on_drop: false }`
[INFO] [stdout] d205648579652e846181673573c5c88a4bb733728f9b16445b9ff37277d7627e