[INFO] fetching crate brainheck 0.1.8...
[INFO] checking brainheck-0.1.8 against master#0d37dca25a51fb900a402c94c8818ad1c2789e30 for pr-77526
[INFO] extracting crate brainheck 0.1.8 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate brainheck 0.1.8 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 crates.io crate brainheck 0.1.8
[INFO] finished tweaking crates.io crate brainheck 0.1.8
[INFO] tweaked toml for crates.io crate brainheck 0.1.8 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stdout] 75b6932bddc44510e9d97dc418c8ae93cd6131eb8051891cae9e43c750c160c5
[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" "75b6932bddc44510e9d97dc418c8ae93cd6131eb8051891cae9e43c750c160c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75b6932bddc44510e9d97dc418c8ae93cd6131eb8051891cae9e43c750c160c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75b6932bddc44510e9d97dc418c8ae93cd6131eb8051891cae9e43c750c160c5", kill_on_drop: false }`
[INFO] [stdout] 75b6932bddc44510e9d97dc418c8ae93cd6131eb8051891cae9e43c750c160c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] d30c99302babaa50e1449c23642c5a1a4980d6f48ee374a6aa36e1e917197900
[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" "d30c99302babaa50e1449c23642c5a1a4980d6f48ee374a6aa36e1e917197900", kill_on_drop: false }`
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking brainheck v0.1.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused attribute
[INFO] [stdout]   --> src/lib.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[macro_use] 
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0507]: cannot move out of `helloworld_src`, a captured variable in an `FnMut` closure
[INFO] [stdout]   --> src/test.rs:21:25
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let mut helloworld_src = String::new();
[INFO] [stdout]    |         ------------------ captured outer variable
[INFO] [stdout] ...
[INFO] [stdout] 21 |     b.iter(|| brainheck(helloworld_src, fake_std_in));
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^ move occurs because `helloworld_src` has type `String`, which does not implement the `Copy` trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0507]: cannot move out of `fake_std_in`, a captured variable in an `FnMut` closure
[INFO] [stdout]   --> src/test.rs:21:41
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let fake_std_in = String::new();
[INFO] [stdout]    |         ----------- captured outer variable
[INFO] [stdout] 21 |     b.iter(|| brainheck(helloworld_src, fake_std_in));
[INFO] [stdout]    |                                         ^^^^^^^^^^^ move occurs because `fake_std_in` has type `String`, which does not implement the `Copy` trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0507`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `brainheck`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "d30c99302babaa50e1449c23642c5a1a4980d6f48ee374a6aa36e1e917197900", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d30c99302babaa50e1449c23642c5a1a4980d6f48ee374a6aa36e1e917197900", kill_on_drop: false }`
[INFO] [stdout] d30c99302babaa50e1449c23642c5a1a4980d6f48ee374a6aa36e1e917197900