[INFO] fetching crate sensehat-screen 0.2.5...
[INFO] checking sensehat-screen-0.2.5 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate sensehat-screen 0.2.5 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate sensehat-screen 0.2.5 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sensehat-screen 0.2.5
[INFO] finished tweaking crates.io crate sensehat-screen 0.2.5
[INFO] tweaked toml for crates.io crate sensehat-screen 0.2.5 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate sensehat-screen 0.2.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a1379d480c88947ab95d3cc979f65682147ed503009f4dd43fca8843738fdc28
[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" "a1379d480c88947ab95d3cc979f65682147ed503009f4dd43fca8843738fdc28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1379d480c88947ab95d3cc979f65682147ed503009f4dd43fca8843738fdc28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1379d480c88947ab95d3cc979f65682147ed503009f4dd43fca8843738fdc28", kill_on_drop: false }`
[INFO] [stdout] a1379d480c88947ab95d3cc979f65682147ed503009f4dd43fca8843738fdc28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 371fdf41549b330da79a34be77805acf85406710c9f3b28d947da9cf8fe742ca
[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" "371fdf41549b330da79a34be77805acf85406710c9f3b28d947da9cf8fe742ca", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking font8x8 v0.2.5
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling sensehat-screen v0.2.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking framebuffer v0.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.00s
[INFO] running `Command { std: "docker" "inspect" "371fdf41549b330da79a34be77805acf85406710c9f3b28d947da9cf8fe742ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "371fdf41549b330da79a34be77805acf85406710c9f3b28d947da9cf8fe742ca", kill_on_drop: false }`
[INFO] [stdout] 371fdf41549b330da79a34be77805acf85406710c9f3b28d947da9cf8fe742ca