[INFO] fetching crate shalc 0.1.0...
[INFO] checking shalc-0.1.0 against master#c9228570668803e3e6402770d55f23a12c9ae686 for pr-79472
[INFO] extracting crate shalc 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate shalc 0.1.0 on toolchain c9228570668803e3e6402770d55f23a12c9ae686
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate shalc 0.1.0
[INFO] finished tweaking crates.io crate shalc 0.1.0
[INFO] tweaked toml for crates.io crate shalc 0.1.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+c9228570668803e3e6402770d55f23a12c9ae686" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 219a3f8152675f604268b3dd8b1f04c671a2a6bd8fcde54d81eb5a2dafdc4067
[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" "219a3f8152675f604268b3dd8b1f04c671a2a6bd8fcde54d81eb5a2dafdc4067", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "219a3f8152675f604268b3dd8b1f04c671a2a6bd8fcde54d81eb5a2dafdc4067", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "219a3f8152675f604268b3dd8b1f04c671a2a6bd8fcde54d81eb5a2dafdc4067", kill_on_drop: false }`
[INFO] [stdout] 219a3f8152675f604268b3dd8b1f04c671a2a6bd8fcde54d81eb5a2dafdc4067
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+c9228570668803e3e6402770d55f23a12c9ae686" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] a97fc50ab5e60d6a0d25182fa87595424bcf85a5672402bda7245713c0f2166a
[INFO] running `Command { std: "docker" "start" "-a" "a97fc50ab5e60d6a0d25182fa87595424bcf85a5672402bda7245713c0f2166a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking slog-scope v4.3.0
[INFO] [stderr]     Checking slog-stdlog v4.1.0
[INFO] [stderr]     Checking shalc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `prev_local_calcs`
[INFO] [stdout]    --> src/lib.rs:373:13
[INFO] [stdout]     |
[INFO] [stdout] 373 |             prev_local_calcs: &mut Option<Self::LocalCalcs>,
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_prev_local_calcs`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `local_calcs`
[INFO] [stdout]    --> src/lib.rs:378:30
[INFO] [stdout]     |
[INFO] [stdout] 378 |         fn update(&mut self, local_calcs: &mut Option<Self::LocalCalcs>) -> calculation::State {
[INFO] [stdout]     |                              ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_local_calcs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.35s
[INFO] running `Command { std: "docker" "inspect" "a97fc50ab5e60d6a0d25182fa87595424bcf85a5672402bda7245713c0f2166a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a97fc50ab5e60d6a0d25182fa87595424bcf85a5672402bda7245713c0f2166a", kill_on_drop: false }`
[INFO] [stdout] a97fc50ab5e60d6a0d25182fa87595424bcf85a5672402bda7245713c0f2166a