[INFO] cloning repository https://github.com/BenjaminSchaaf/sbnf
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BenjaminSchaaf/sbnf" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBenjaminSchaaf%2Fsbnf", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBenjaminSchaaf%2Fsbnf'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9d4f6948cb24961990280ccecaddd3d98183cf8f
[INFO] checking BenjaminSchaaf/sbnf against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBenjaminSchaaf%2Fsbnf" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BenjaminSchaaf/sbnf on toolchain 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/BenjaminSchaaf/sbnf
[INFO] removed 0 missing tests
[INFO] removed workspace from git repo https://github.com/BenjaminSchaaf/sbnf
[INFO] finished tweaking git repo https://github.com/BenjaminSchaaf/sbnf
[INFO] tweaked toml for git repo https://github.com/BenjaminSchaaf/sbnf written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/BenjaminSchaaf/sbnf already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-4/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a37021b409127fdb88e1c7cbc5d574a131bf660025af000e1727fb9d188df391
[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" "a37021b409127fdb88e1c7cbc5d574a131bf660025af000e1727fb9d188df391", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a37021b409127fdb88e1c7cbc5d574a131bf660025af000e1727fb9d188df391", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a37021b409127fdb88e1c7cbc5d574a131bf660025af000e1727fb9d188df391", kill_on_drop: false }`
[INFO] [stdout] a37021b409127fdb88e1c7cbc5d574a131bf660025af000e1727fb9d188df391
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 679ec6b19aaa4c043355c983ff272f150d5dbb4f3f14e2d79581288213b4d250
[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" "679ec6b19aaa4c043355c983ff272f150d5dbb4f3f14e2d79581288213b4d250", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling indexmap v1.5.1
[INFO] [stderr]     Checking sbnf v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `Variable`
[INFO] [stdout]     --> src/compiler/codegen.rs:1388:9
[INFO] [stdout]      |
[INFO] [stdout] 1388 |         Variable(&'static str),
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `variable`
[INFO] [stdout]     --> src/compiler/codegen.rs:1437:8
[INFO] [stdout]      |
[INFO] [stdout] 1437 |     fn variable(s: &'static str) -> TestExpression {
[INFO] [stdout]      |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `m_var`
[INFO] [stdout]     --> src/compiler/codegen.rs:1481:8
[INFO] [stdout]      |
[INFO] [stdout] 1481 |     fn m_var(s: &'static str, r: &[TestExpression]) -> TestMatch {
[INFO] [stdout]      |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.23s
[INFO] running `Command { std: "docker" "inspect" "679ec6b19aaa4c043355c983ff272f150d5dbb4f3f14e2d79581288213b4d250", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "679ec6b19aaa4c043355c983ff272f150d5dbb4f3f14e2d79581288213b4d250", kill_on_drop: false }`
[INFO] [stdout] 679ec6b19aaa4c043355c983ff272f150d5dbb4f3f14e2d79581288213b4d250