[INFO] cloning repository https://github.com/cyplo/boolean_calculator [INFO] running `Command { std: "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", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcyplo%2Fboolean_calculator'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d26e1eb3666547c2c565a0d02cef2b59b787dab7 [INFO] checking cyplo/boolean_calculator against master#0d37dca25a51fb900a402c94c8818ad1c2789e30 for pr-77526 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcyplo%2Fboolean_calculator" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/cyplo/boolean_calculator on toolchain 0d37dca25a51fb900a402c94c8818ad1c2789e30 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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-6/source/Cargo.toml [INFO] crate git repo https://github.com/cyplo/boolean_calculator already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "metadata" "--no-deps" "--format-version=1", 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] 5738228cf74b10c63f92804356ec7073e14d06e9bc18b7d867697bc2829cd2bb [INFO] running `Command { std: "docker" "start" "-a" "5738228cf74b10c63f92804356ec7073e14d06e9bc18b7d867697bc2829cd2bb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5738228cf74b10c63f92804356ec7073e14d06e9bc18b7d867697bc2829cd2bb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5738228cf74b10c63f92804356ec7073e14d06e9bc18b7d867697bc2829cd2bb", kill_on_drop: false }` [INFO] [stdout] 5738228cf74b10c63f92804356ec7073e14d06e9bc18b7d867697bc2829cd2bb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ee64d7ed3558ebbf9f91c09f7932bd8a5707774d4d32029a54e4bd00015b3a31 [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" "ee64d7ed3558ebbf9f91c09f7932bd8a5707774d4d32029a54e4bd00015b3a31", kill_on_drop: false }` [INFO] [stderr] Checking boolean_calculator v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `text` [INFO] [stdout] --> src/lib.rs:7:20 [INFO] [stdout] | [INFO] [stdout] 7 | pub fn new(text: &str) -> Calculator { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_text` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/lib.rs:7:16 [INFO] [stdout] | [INFO] [stdout] 7 | pub fn new(text: &str) -> Calculator { [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_result` [INFO] [stdout] --> src/lib.rs:11:16 [INFO] [stdout] | [INFO] [stdout] 11 | pub fn get_result(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `text` [INFO] [stdout] --> src/lib.rs:7:20 [INFO] [stdout] | [INFO] [stdout] 7 | pub fn new(text: &str) -> Calculator { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_text` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.44s [INFO] running `Command { std: "docker" "inspect" "ee64d7ed3558ebbf9f91c09f7932bd8a5707774d4d32029a54e4bd00015b3a31", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ee64d7ed3558ebbf9f91c09f7932bd8a5707774d4d32029a54e4bd00015b3a31", kill_on_drop: false }` [INFO] [stdout] ee64d7ed3558ebbf9f91c09f7932bd8a5707774d4d32029a54e4bd00015b3a31