[INFO] cloning repository https://github.com/cyplo/boolean_calculator
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cyplo/boolean_calculator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcyplo%2Fboolean_calculator"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcyplo%2Fboolean_calculator'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d26e1eb3666547c2c565a0d02cef2b59b787dab7
[INFO] testing cyplo/boolean_calculator against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcyplo%2Fboolean_calculator" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cyplo/boolean_calculator on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/cyplo/boolean_calculator
[INFO] finished tweaking git repo https://github.com/cyplo/boolean_calculator
[INFO] tweaked toml for git repo https://github.com/cyplo/boolean_calculator written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/cyplo/boolean_calculator already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b15c8d1a9a9ed2329e6e122ce83e387d4513d8756084a2974ed6d7daa99bf1f7
[INFO] running `"docker" "start" "-a" "b15c8d1a9a9ed2329e6e122ce83e387d4513d8756084a2974ed6d7daa99bf1f7"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling boolean_calculator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `text`
[INFO] [stderr]  --> src/lib.rs:7:20
[INFO] [stderr]   |
[INFO] [stderr] 7 |         pub fn new(text: &str) -> Calculator {
[INFO] [stderr]   |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_text`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]  --> src/lib.rs:7:16
[INFO] [stderr]   |
[INFO] [stderr] 7 |         pub fn new(text: &str) -> Calculator {
[INFO] [stderr]   |                ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_result`
[INFO] [stderr]   --> src/lib.rs:11:16
[INFO] [stderr]    |
[INFO] [stderr] 11 |         pub fn get_result(&self) -> bool {
[INFO] [stderr]    |                ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `"docker" "inspect" "b15c8d1a9a9ed2329e6e122ce83e387d4513d8756084a2974ed6d7daa99bf1f7"`
[INFO] running `"docker" "rm" "-f" "b15c8d1a9a9ed2329e6e122ce83e387d4513d8756084a2974ed6d7daa99bf1f7"`
[INFO] [stdout] b15c8d1a9a9ed2329e6e122ce83e387d4513d8756084a2974ed6d7daa99bf1f7
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cc50911d536acca7bd2474a7c989eaeac6c20ff738d2355b1ce787c03ec68ab3
[INFO] running `"docker" "start" "-a" "cc50911d536acca7bd2474a7c989eaeac6c20ff738d2355b1ce787c03ec68ab3"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling boolean_calculator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `text`
[INFO] [stderr]  --> src/lib.rs:7:20
[INFO] [stderr]   |
[INFO] [stderr] 7 |         pub fn new(text: &str) -> Calculator {
[INFO] [stderr]   |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_text`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]  --> src/lib.rs:7:16
[INFO] [stderr]   |
[INFO] [stderr] 7 |         pub fn new(text: &str) -> Calculator {
[INFO] [stderr]   |                ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_result`
[INFO] [stderr]   --> src/lib.rs:11:16
[INFO] [stderr]    |
[INFO] [stderr] 11 |         pub fn get_result(&self) -> bool {
[INFO] [stderr]    |                ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `text`
[INFO] [stderr]  --> src/lib.rs:7:20
[INFO] [stderr]   |
[INFO] [stderr] 7 |         pub fn new(text: &str) -> Calculator {
[INFO] [stderr]   |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_text`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `"docker" "inspect" "cc50911d536acca7bd2474a7c989eaeac6c20ff738d2355b1ce787c03ec68ab3"`
[INFO] running `"docker" "rm" "-f" "cc50911d536acca7bd2474a7c989eaeac6c20ff738d2355b1ce787c03ec68ab3"`
[INFO] [stdout] cc50911d536acca7bd2474a7c989eaeac6c20ff738d2355b1ce787c03ec68ab3
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 457246ff20c492fbb8c4fa7d76f0619cb994db8a76bf94ef8089395a928262fa
[INFO] running `"docker" "start" "-a" "457246ff20c492fbb8c4fa7d76f0619cb994db8a76bf94ef8089395a928262fa"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused variable: `text`
[INFO] [stderr]  --> src/lib.rs:7:20
[INFO] [stderr]   |
[INFO] [stderr] 7 |         pub fn new(text: &str) -> Calculator {
[INFO] [stderr]   |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_text`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]  --> src/lib.rs:7:16
[INFO] [stderr]   |
[INFO] [stderr] 7 |         pub fn new(text: &str) -> Calculator {
[INFO] [stderr]   |                ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_result`
[INFO] [stderr]   --> src/lib.rs:11:16
[INFO] [stderr]    |
[INFO] [stderr] 11 |         pub fn get_result(&self) -> bool {
[INFO] [stderr]    |                ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `text`
[INFO] [stderr]  --> src/lib.rs:7:20
[INFO] [stderr]   |
[INFO] [stderr] 7 |         pub fn new(text: &str) -> Calculator {
[INFO] [stderr]   |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_text`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/boolean_calculator-bb0a739eaef5b1d2
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test boolean_calculator::calculator_should::return_true_for_t ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/boolean_calculator-6730960d46e764ee
[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] [stderr]    Doc-tests boolean_calculator
[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 `"docker" "inspect" "457246ff20c492fbb8c4fa7d76f0619cb994db8a76bf94ef8089395a928262fa"`
[INFO] running `"docker" "rm" "-f" "457246ff20c492fbb8c4fa7d76f0619cb994db8a76bf94ef8089395a928262fa"`
[INFO] [stdout] 457246ff20c492fbb8c4fa7d76f0619cb994db8a76bf94ef8089395a928262fa