[INFO] fetching crate sensehat-screen 0.2.6...
[INFO] checking sensehat-screen-0.2.6 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[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 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "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] bf3028d17d4e2ffdcb63a5d93347b6eeac05e73283eb45532797d0c38fcd3643
[INFO] running `Command { std: "docker" "start" "-a" "bf3028d17d4e2ffdcb63a5d93347b6eeac05e73283eb45532797d0c38fcd3643", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf3028d17d4e2ffdcb63a5d93347b6eeac05e73283eb45532797d0c38fcd3643", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf3028d17d4e2ffdcb63a5d93347b6eeac05e73283eb45532797d0c38fcd3643", kill_on_drop: false }`
[INFO] [stdout] bf3028d17d4e2ffdcb63a5d93347b6eeac05e73283eb45532797d0c38fcd3643
[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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "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] 66756b7ace1372444ff706073efe506c4449dbef97b084ec17573440dd65c663
[INFO] running `Command { std: "docker" "start" "-a" "66756b7ace1372444ff706073efe506c4449dbef97b084ec17573440dd65c663", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]     Checking font8x8 v0.2.7
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling sensehat-screen v0.2.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking errno v0.2.7
[INFO] [stderr]     Checking framebuffer v0.2.2
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.30s
[INFO] running `Command { std: "docker" "inspect" "66756b7ace1372444ff706073efe506c4449dbef97b084ec17573440dd65c663", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66756b7ace1372444ff706073efe506c4449dbef97b084ec17573440dd65c663", kill_on_drop: false }`
[INFO] [stdout] 66756b7ace1372444ff706073efe506c4449dbef97b084ec17573440dd65c663