[INFO] fetching crate sbnf 0.1.0...
[INFO] checking sbnf-0.1.0 against try#353a0a223066e9f46a1d935f2271a26c3c5002bb for pr-75180
[INFO] extracting crate sbnf 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate sbnf 0.1.0 on toolchain 353a0a223066e9f46a1d935f2271a26c3c5002bb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sbnf 0.1.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate sbnf 0.1.0
[INFO] tweaked toml for crates.io crate sbnf 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate sbnf 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "fetch" "--locked" "--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-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" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3116e4862760006913c4dc51c3dd1ddeb8fc4fa3e473215d1cc0cb6c6c0f50d2
[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" "3116e4862760006913c4dc51c3dd1ddeb8fc4fa3e473215d1cc0cb6c6c0f50d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3116e4862760006913c4dc51c3dd1ddeb8fc4fa3e473215d1cc0cb6c6c0f50d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3116e4862760006913c4dc51c3dd1ddeb8fc4fa3e473215d1cc0cb6c6c0f50d2", kill_on_drop: false }`
[INFO] [stdout] 3116e4862760006913c4dc51c3dd1ddeb8fc4fa3e473215d1cc0cb6c6c0f50d2
[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" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b8b6fa764b9d1852f6aa50405736e153621afdc3cbca070254bffee85858e7bf
[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" "b8b6fa764b9d1852f6aa50405736e153621afdc3cbca070254bffee85858e7bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]     Checking term_size v0.3.1
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]     Checking clap v2.27.1
[INFO] [stderr]     Checking sbnf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `Variable`
[INFO] [stdout]     --> src/compiler.rs:1254:9
[INFO] [stdout]      |
[INFO] [stdout] 1254 |         Variable(&'static str),
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LiteralTerminal`
[INFO] [stdout]     --> src/compiler.rs:1256:9
[INFO] [stdout]      |
[INFO] [stdout] 1256 |         LiteralTerminal(&'static str),
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Embed`
[INFO] [stdout]     --> src/compiler.rs:1257:9
[INFO] [stdout]      |
[INFO] [stdout] 1257 |         Embed,
[INFO] [stdout]      |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `variable`
[INFO] [stdout]     --> src/compiler.rs:1309:8
[INFO] [stdout]      |
[INFO] [stdout] 1309 |     fn variable(s: &'static str) -> TestNode { TestNode::Variable(s) }
[INFO] [stdout]      |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `literal`
[INFO] [stdout]     --> src/compiler.rs:1311:8
[INFO] [stdout]      |
[INFO] [stdout] 1311 |     fn literal(s: &'static str) -> TestNode { TestNode::LiteralTerminal(s) }
[INFO] [stdout]      |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `embed`
[INFO] [stdout]     --> src/compiler.rs:1312:8
[INFO] [stdout]      |
[INFO] [stdout] 1312 |     fn embed() -> TestNode { TestNode::Embed }
[INFO] [stdout]      |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Variable`
[INFO] [stdout]     --> src/compiler.rs:1332:9
[INFO] [stdout]      |
[INFO] [stdout] 1332 |         Variable { name: String, child: Box<TestContextMatch> },
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `m_var`
[INFO] [stdout]     --> src/compiler.rs:1374:8
[INFO] [stdout]      |
[INFO] [stdout] 1374 |     fn m_var(s: &str, child: TestContextMatch, r: &[TestNode]) -> TestContextMatch {
[INFO] [stdout]      |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.99s
[INFO] running `Command { std: "docker" "inspect" "b8b6fa764b9d1852f6aa50405736e153621afdc3cbca070254bffee85858e7bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8b6fa764b9d1852f6aa50405736e153621afdc3cbca070254bffee85858e7bf", kill_on_drop: false }`
[INFO] [stdout] b8b6fa764b9d1852f6aa50405736e153621afdc3cbca070254bffee85858e7bf