[INFO] fetching crate sensehat-screen 0.2.6...
[INFO] checking sensehat-screen-0.2.6 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate sensehat-screen 0.2.6 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate sensehat-screen 0.2.6 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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-0/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" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded errno-dragonfly v0.1.1
[INFO] [stderr]   Downloaded gcc v0.3.55
[INFO] [stderr]   Downloaded font8x8 v0.2.7
[INFO] [stderr]   Downloaded serde_derive v1.0.123
[INFO] [stderr]   Downloaded framebuffer v0.2.2
[INFO] [stderr]   Downloaded syn v1.0.60
[INFO] [stderr]   Downloaded errno v0.2.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7cddd5a42a55eb27bae6b9cc1b983b49b989e40159f1b48f58b8b6c1b7678e0f
[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" "7cddd5a42a55eb27bae6b9cc1b983b49b989e40159f1b48f58b8b6c1b7678e0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7cddd5a42a55eb27bae6b9cc1b983b49b989e40159f1b48f58b8b6c1b7678e0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cddd5a42a55eb27bae6b9cc1b983b49b989e40159f1b48f58b8b6c1b7678e0f", kill_on_drop: false }`
[INFO] [stdout] 7cddd5a42a55eb27bae6b9cc1b983b49b989e40159f1b48f58b8b6c1b7678e0f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--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] 263f0856a61afd38c865b8f9636d2331e3cbff5d544e81e8522677978599cb69
[INFO] running `Command { std: "docker" "start" "-a" "263f0856a61afd38c865b8f9636d2331e3cbff5d544e81e8522677978599cb69", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[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 lazy_static v1.4.0
[INFO] [stderr]     Checking font8x8 v0.2.7
[INFO] [stderr]    Compiling sensehat-screen v0.2.6 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling quote v1.0.8
[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 24.01s
[INFO] running `Command { std: "docker" "inspect" "263f0856a61afd38c865b8f9636d2331e3cbff5d544e81e8522677978599cb69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "263f0856a61afd38c865b8f9636d2331e3cbff5d544e81e8522677978599cb69", kill_on_drop: false }`
[INFO] [stdout] 263f0856a61afd38c865b8f9636d2331e3cbff5d544e81e8522677978599cb69