[INFO] fetching crate sensehat-screen 0.2.6...
[INFO] checking sensehat-screen-0.2.6 against try#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710
[INFO] extracting crate sensehat-screen 0.2.6 into /workspace/builds/worker-79/source
[INFO] validating manifest of crates.io crate sensehat-screen 0.2.6 on toolchain 07fecb9cf34c4979a772ba38c99d6d9144768413
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sensehat-screen 0.2.6
[INFO] finished tweaking crates.io crate sensehat-screen 0.2.6
[INFO] tweaked toml for crates.io crate sensehat-screen 0.2.6 written to /workspace/builds/worker-79/source/Cargo.toml
[INFO] crate crates.io crate sensehat-screen 0.2.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded font8x8 v0.2.7
[INFO] [stderr]   Downloaded framebuffer v0.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5ecf621a2d90e98408d6a905c59963b937326b487181a318c2f1695a21950735
[INFO] running `Command { std: "docker" "start" "-a" "5ecf621a2d90e98408d6a905c59963b937326b487181a318c2f1695a21950735", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ecf621a2d90e98408d6a905c59963b937326b487181a318c2f1695a21950735", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ecf621a2d90e98408d6a905c59963b937326b487181a318c2f1695a21950735", kill_on_drop: false }`
[INFO] [stdout] 5ecf621a2d90e98408d6a905c59963b937326b487181a318c2f1695a21950735
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e1dffcf8eb7b0c2b72e8f9aa38222a0c8d3fef15fb9117cb9c59e72d1a3d0307
[INFO] running `Command { std: "docker" "start" "-a" "e1dffcf8eb7b0c2b72e8f9aa38222a0c8d3fef15fb9117cb9c59e72d1a3d0307", 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] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]     Checking font8x8 v0.2.7
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling sensehat-screen v0.2.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking errno v0.2.7
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking framebuffer v0.2.2
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.52s
[INFO] running `Command { std: "docker" "inspect" "e1dffcf8eb7b0c2b72e8f9aa38222a0c8d3fef15fb9117cb9c59e72d1a3d0307", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1dffcf8eb7b0c2b72e8f9aa38222a0c8d3fef15fb9117cb9c59e72d1a3d0307", kill_on_drop: false }`
[INFO] [stdout] e1dffcf8eb7b0c2b72e8f9aa38222a0c8d3fef15fb9117cb9c59e72d1a3d0307