[INFO] fetching crate sensehat-stick 0.1.0...
[INFO] testing sensehat-stick-0.1.0 against 1.47.0 for beta-1.48-1
[INFO] extracting crate sensehat-stick 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate sensehat-stick 0.1.0 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sensehat-stick 0.1.0
[INFO] finished tweaking crates.io crate sensehat-stick 0.1.0
[INFO] tweaked toml for crates.io crate sensehat-stick 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", 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] bf2b6fdda7a6a51a1f6a2d1bb06d54a0913793a0910ab2baf0e5571649b9f099
[INFO] running `Command { std: "docker" "start" "-a" "bf2b6fdda7a6a51a1f6a2d1bb06d54a0913793a0910ab2baf0e5571649b9f099", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf2b6fdda7a6a51a1f6a2d1bb06d54a0913793a0910ab2baf0e5571649b9f099", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf2b6fdda7a6a51a1f6a2d1bb06d54a0913793a0910ab2baf0e5571649b9f099", kill_on_drop: false }`
[INFO] [stdout] bf2b6fdda7a6a51a1f6a2d1bb06d54a0913793a0910ab2baf0e5571649b9f099
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e8ae2b7182fe9efec5b1585d49acbb0fc583df6a760f4f983fbd6cee06ef74d
[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" "7e8ae2b7182fe9efec5b1585d49acbb0fc583df6a760f4f983fbd6cee06ef74d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling bitflags v0.8.2
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling nix v0.8.1
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling evdev v0.10.1
[INFO] [stderr]    Compiling sensehat-stick v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.23s
[INFO] running `Command { std: "docker" "inspect" "7e8ae2b7182fe9efec5b1585d49acbb0fc583df6a760f4f983fbd6cee06ef74d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e8ae2b7182fe9efec5b1585d49acbb0fc583df6a760f4f983fbd6cee06ef74d", kill_on_drop: false }`
[INFO] [stdout] 7e8ae2b7182fe9efec5b1585d49acbb0fc583df6a760f4f983fbd6cee06ef74d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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" "+1.47.0" "test" "--frozen" "--no-run" "--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] c08872601c8c21fe221b1176a8d1bd15ac4aae69dd2738aefc3d2e4fc012821f
[INFO] running `Command { std: "docker" "start" "-a" "c08872601c8c21fe221b1176a8d1bd15ac4aae69dd2738aefc3d2e4fc012821f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling sensehat-stick v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: cannot find macro `bail` in this scope
[INFO] [stdout]   --> examples/poll.rs:36:25
[INFO] [stdout]    |
[INFO] [stdout] 36 |                         bail!(e);
[INFO] [stdout]    |                         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `io`
[INFO] [stdout]   --> examples/poll.rs:33:40
[INFO] [stdout]    |
[INFO] [stdout] 33 |                         if e.kind() == io::ErrorKind::WouldBlock {
[INFO] [stdout]    |                                        ^^ use of undeclared type or module `io`
[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 E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sensehat-stick`.
[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" "c08872601c8c21fe221b1176a8d1bd15ac4aae69dd2738aefc3d2e4fc012821f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c08872601c8c21fe221b1176a8d1bd15ac4aae69dd2738aefc3d2e4fc012821f", kill_on_drop: false }`
[INFO] [stdout] c08872601c8c21fe221b1176a8d1bd15ac4aae69dd2738aefc3d2e4fc012821f
