[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 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcyplo%2Fboolean_calculator" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cyplo/boolean_calculator on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "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-2/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" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "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" "+1.44.0" "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] 69b6574eb92b530f104840d4d9e73791943052d9262104b375fb1c9eb0a8bbd7
[INFO] running `"docker" "start" "-a" "69b6574eb92b530f104840d4d9e73791943052d9262104b375fb1c9eb0a8bbd7"`
[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: method is never used: `new`
[INFO] [stderr]  --> src/lib.rs:7:9
[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: method is never used: `get_result`
[INFO] [stderr]   --> src/lib.rs:11:9
[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 0.60s
[INFO] running `"docker" "inspect" "69b6574eb92b530f104840d4d9e73791943052d9262104b375fb1c9eb0a8bbd7"`
[INFO] running `"docker" "rm" "-f" "69b6574eb92b530f104840d4d9e73791943052d9262104b375fb1c9eb0a8bbd7"`
[INFO] [stdout] 69b6574eb92b530f104840d4d9e73791943052d9262104b375fb1c9eb0a8bbd7
[INFO] running `"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" "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" "+1.44.0" "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] 38a90380438bcd49927dc91debbb619793213b8aa2f223d80f8247da39d72a25
[INFO] running `"docker" "start" "-a" "38a90380438bcd49927dc91debbb619793213b8aa2f223d80f8247da39d72a25"`
[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: method is never used: `new`
[INFO] [stderr]  --> src/lib.rs:7:9
[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: method is never used: `get_result`
[INFO] [stderr]   --> src/lib.rs:11:9
[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 0.74s
[INFO] running `"docker" "inspect" "38a90380438bcd49927dc91debbb619793213b8aa2f223d80f8247da39d72a25"`
[INFO] running `"docker" "rm" "-f" "38a90380438bcd49927dc91debbb619793213b8aa2f223d80f8247da39d72a25"`
[INFO] [stdout] 38a90380438bcd49927dc91debbb619793213b8aa2f223d80f8247da39d72a25
[INFO] running `"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" "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" "+1.44.0" "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] 66a5af60d14f7069af50e744c2424903d53b857376cf8454b6a8c88aec2eae63
[INFO] running `"docker" "start" "-a" "66a5af60d14f7069af50e744c2424903d53b857376cf8454b6a8c88aec2eae63"`
[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: method is never used: `new`
[INFO] [stderr]  --> src/lib.rs:7:9
[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: method is never used: `get_result`
[INFO] [stderr]   --> src/lib.rs:11:9
[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-33ad9823cff94613
[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-f84388979ecaccca
[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" "66a5af60d14f7069af50e744c2424903d53b857376cf8454b6a8c88aec2eae63"`
[INFO] running `"docker" "rm" "-f" "66a5af60d14f7069af50e744c2424903d53b857376cf8454b6a8c88aec2eae63"`
[INFO] [stdout] 66a5af60d14f7069af50e744c2424903d53b857376cf8454b6a8c88aec2eae63