[INFO] fetching crate sta 0.2.5...
[INFO] checking sta-0.2.5 against try#6f12b8fe67b4eed2e838dab803ed9493b9d62c0f for pr-79073
[INFO] extracting crate sta 0.2.5 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate sta 0.2.5 on toolchain 6f12b8fe67b4eed2e838dab803ed9493b9d62c0f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sta 0.2.5
[INFO] finished tweaking crates.io crate sta 0.2.5
[INFO] tweaked toml for crates.io crate sta 0.2.5 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f00b9cf51c4e8dde08eedf324f84059589c0ad29f3fc12bea1ea5cde0d1e5a80
[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" "f00b9cf51c4e8dde08eedf324f84059589c0ad29f3fc12bea1ea5cde0d1e5a80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f00b9cf51c4e8dde08eedf324f84059589c0ad29f3fc12bea1ea5cde0d1e5a80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f00b9cf51c4e8dde08eedf324f84059589c0ad29f3fc12bea1ea5cde0d1e5a80", kill_on_drop: false }`
[INFO] [stdout] f00b9cf51c4e8dde08eedf324f84059589c0ad29f3fc12bea1ea5cde0d1e5a80
[INFO] running `Command { std: "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" "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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d716860c0b41b8c7aaa8a856baba387a05517b92ad39ec9cb0d556c8b7d8984
[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" "0d716860c0b41b8c7aaa8a856baba387a05517b92ad39ec9cb0d556c8b7d8984", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking terminal_size v0.1.15
[INFO] [stderr]     Checking snap v0.2.5
[INFO] [stderr]     Checking sta v0.2.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant is never used: `BYTEXOR`
[INFO] [stdout]    --> src/lib.rs:284:5
[INFO] [stdout]     |
[INFO] [stdout] 284 |     const BYTEXOR: u8 = 53;
[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: `compress_to_bytes`
[INFO] [stdout]    --> src/lib.rs:430:12
[INFO] [stdout]     |
[INFO] [stdout] 430 |         fn compress_to_bytes(self: &Self) -> Vec<u8> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `autodecompress`
[INFO] [stdout]    --> src/lib.rs:459:12
[INFO] [stdout]     |
[INFO] [stdout] 459 |         fn autodecompress(self: &mut Self) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `BYTEXOR`
[INFO] [stdout]    --> src/lib.rs:284:5
[INFO] [stdout]     |
[INFO] [stdout] 284 |     const BYTEXOR: u8 = 53;
[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: `compress_to_bytes`
[INFO] [stdout]    --> src/lib.rs:430:12
[INFO] [stdout]     |
[INFO] [stdout] 430 |         fn compress_to_bytes(self: &Self) -> Vec<u8> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `autodecompress`
[INFO] [stdout]    --> src/lib.rs:459:12
[INFO] [stdout]     |
[INFO] [stdout] 459 |         fn autodecompress(self: &mut Self) {
[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 3.00s
[INFO] running `Command { std: "docker" "inspect" "0d716860c0b41b8c7aaa8a856baba387a05517b92ad39ec9cb0d556c8b7d8984", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d716860c0b41b8c7aaa8a856baba387a05517b92ad39ec9cb0d556c8b7d8984", kill_on_drop: false }`
[INFO] [stdout] 0d716860c0b41b8c7aaa8a856baba387a05517b92ad39ec9cb0d556c8b7d8984