[INFO] cloning repository https://github.com/StappsWorld/truth_table_generator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/StappsWorld/truth_table_generator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FStappsWorld%2Ftruth_table_generator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FStappsWorld%2Ftruth_table_generator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 64b2445ec4064cb3e4495f2f240bb8cc74856d34
[INFO] testing StappsWorld/truth_table_generator against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FStappsWorld%2Ftruth_table_generator" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/StappsWorld/truth_table_generator on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/StappsWorld/truth_table_generator
[INFO] finished tweaking git repo https://github.com/StappsWorld/truth_table_generator
[INFO] tweaked toml for git repo https://github.com/StappsWorld/truth_table_generator written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/StappsWorld/truth_table_generator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d18fdd05d8033b33d5e926d7e11c3f48693e723a53b5bf8d9606c41f45583057
[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" "d18fdd05d8033b33d5e926d7e11c3f48693e723a53b5bf8d9606c41f45583057", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d18fdd05d8033b33d5e926d7e11c3f48693e723a53b5bf8d9606c41f45583057", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d18fdd05d8033b33d5e926d7e11c3f48693e723a53b5bf8d9606c41f45583057", kill_on_drop: false }`
[INFO] [stdout] d18fdd05d8033b33d5e926d7e11c3f48693e723a53b5bf8d9606c41f45583057
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ee6d9e84a6a9f5653a762ecf2fd99ccf1c48ea8a448e8dcb66d6dae5648099d2
[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" "ee6d9e84a6a9f5653a762ecf2fd99ccf1c48ea8a448e8dcb66d6dae5648099d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling truth_tables v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `evaluate`
[INFO] [stdout]   --> src/main.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn evaluate(&self) -> bool {
[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: `get_values`
[INFO] [stdout]   --> src/main.rs:50:8
[INFO] [stdout]    |
[INFO] [stdout] 50 |     fn get_values(&self) -> (bool, bool) {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `operators` should have an upper case name
[INFO] [stdout]    --> src/main.rs:117:11
[INFO] [stdout]     |
[INFO] [stdout] 117 |     const operators: [char; 6] = ['(', ' ', '&', '|', '!', ')'];
[INFO] [stdout]     |           ^^^^^^^^^ help: convert the identifier to upper case: `OPERATORS`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.89s
[INFO] running `Command { std: "docker" "inspect" "ee6d9e84a6a9f5653a762ecf2fd99ccf1c48ea8a448e8dcb66d6dae5648099d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee6d9e84a6a9f5653a762ecf2fd99ccf1c48ea8a448e8dcb66d6dae5648099d2", kill_on_drop: false }`
[INFO] [stdout] ee6d9e84a6a9f5653a762ecf2fd99ccf1c48ea8a448e8dcb66d6dae5648099d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9fee49c5c74f13807c968e1dffcbbebcf314822213ec9f6ed75ca1b7e1158fa
[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" "a9fee49c5c74f13807c968e1dffcbbebcf314822213ec9f6ed75ca1b7e1158fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling truth_tables v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `evaluate`
[INFO] [stdout]   --> src/main.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn evaluate(&self) -> bool {
[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: `get_values`
[INFO] [stdout]   --> src/main.rs:50:8
[INFO] [stdout]    |
[INFO] [stdout] 50 |     fn get_values(&self) -> (bool, bool) {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `operators` should have an upper case name
[INFO] [stdout]    --> src/main.rs:117:11
[INFO] [stdout]     |
[INFO] [stdout] 117 |     const operators: [char; 6] = ['(', ' ', '&', '|', '!', ')'];
[INFO] [stdout]     |           ^^^^^^^^^ help: convert the identifier to upper case: `OPERATORS`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "a9fee49c5c74f13807c968e1dffcbbebcf314822213ec9f6ed75ca1b7e1158fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9fee49c5c74f13807c968e1dffcbbebcf314822213ec9f6ed75ca1b7e1158fa", kill_on_drop: false }`
[INFO] [stdout] a9fee49c5c74f13807c968e1dffcbbebcf314822213ec9f6ed75ca1b7e1158fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 61d0827306032da480774dee4a98f72b3092eb157ed6d162dda1cd5e1c2ffa9a
[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" "61d0827306032da480774dee4a98f72b3092eb157ed6d162dda1cd5e1c2ffa9a", kill_on_drop: false }`
[INFO] [stderr] warning: associated function is never used: `evaluate`
[INFO] [stderr]   --> src/main.rs:36:12
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub fn evaluate(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_values`
[INFO] [stderr]   --> src/main.rs:50:8
[INFO] [stderr]    |
[INFO] [stderr] 50 |     fn get_values(&self) -> (bool, bool) {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `operators` should have an upper case name
[INFO] [stderr]    --> src/main.rs:117:11
[INFO] [stderr]     |
[INFO] [stderr] 117 |     const operators: [char; 6] = ['(', ' ', '&', '|', '!', ')'];
[INFO] [stderr]     |           ^^^^^^^^^ help: convert the identifier to upper case: `OPERATORS`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `truth_tables` (bin "truth_tables" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/truth_tables-04f98ef8d69daffa)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "61d0827306032da480774dee4a98f72b3092eb157ed6d162dda1cd5e1c2ffa9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61d0827306032da480774dee4a98f72b3092eb157ed6d162dda1cd5e1c2ffa9a", kill_on_drop: false }`
[INFO] [stdout] 61d0827306032da480774dee4a98f72b3092eb157ed6d162dda1cd5e1c2ffa9a