[INFO] fetching crate sensehat-stick 0.1.0...
[INFO] checking sensehat-stick-0.1.0 against master#9503ea19edbf01b9435e80e17d60ce1b88390116 for pr-81782
[INFO] extracting crate sensehat-stick 0.1.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate sensehat-stick 0.1.0 on toolchain 9503ea19edbf01b9435e80e17d60ce1b88390116
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 882920bcc61a785ba5d6a7ec07bd40b2fa86e59c3d8b9dea04a4e5ce3803b95b
[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" "882920bcc61a785ba5d6a7ec07bd40b2fa86e59c3d8b9dea04a4e5ce3803b95b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "882920bcc61a785ba5d6a7ec07bd40b2fa86e59c3d8b9dea04a4e5ce3803b95b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "882920bcc61a785ba5d6a7ec07bd40b2fa86e59c3d8b9dea04a4e5ce3803b95b", kill_on_drop: false }`
[INFO] [stdout] 882920bcc61a785ba5d6a7ec07bd40b2fa86e59c3d8b9dea04a4e5ce3803b95b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 31335c8b7dc7178dec9b309f1f0dd81cbc3824150a8e9fe2777bea4587945288
[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" "31335c8b7dc7178dec9b309f1f0dd81cbc3824150a8e9fe2777bea4587945288", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking bitflags v0.8.2
[INFO] [stderr]     Checking fixedbitset v0.1.9
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking nix v0.9.0
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking evdev v0.10.2
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking sensehat-stick v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: the trait bound `std::io::Error: From<nix::Error>` is not satisfied
[INFO] [stdout]    --> src/lib.rs:126:26
[INFO] [stdout]     |
[INFO] [stdout] 126 |             .map_err(|e| io::Error::from(e))?
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^ the trait `From<nix::Error>` is not implemented for `std::io::Error`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the following implementations were found:
[INFO] [stdout]               <std::io::Error as From<ErrorKind>>
[INFO] [stdout]               <std::io::Error as From<IntoInnerError<W>>>
[INFO] [stdout]               <std::io::Error as From<NulError>>
[INFO] [stdout]               <std::io::Error as From<nix::errno::consts::Errno>>
[INFO] [stdout]     = note: required by `from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[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] [stdout] error[E0277]: the trait bound `std::io::Error: From<nix::Error>` is not satisfied
[INFO] [stdout]    --> src/lib.rs:126:26
[INFO] [stdout]     |
[INFO] [stdout] 126 |             .map_err(|e| io::Error::from(e))?
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^ the trait `From<nix::Error>` is not implemented for `std::io::Error`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the following implementations were found:
[INFO] [stdout]               <std::io::Error as From<ErrorKind>>
[INFO] [stdout]               <std::io::Error as From<IntoInnerError<W>>>
[INFO] [stdout]               <std::io::Error as From<NulError>>
[INFO] [stdout]               <std::io::Error as From<nix::errno::consts::Errno>>
[INFO] [stdout]     = note: required by `from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "31335c8b7dc7178dec9b309f1f0dd81cbc3824150a8e9fe2777bea4587945288", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31335c8b7dc7178dec9b309f1f0dd81cbc3824150a8e9fe2777bea4587945288", kill_on_drop: false }`
[INFO] [stdout] 31335c8b7dc7178dec9b309f1f0dd81cbc3824150a8e9fe2777bea4587945288