[INFO] updating cached repository https://github.com/whitequark/gameboy-grabber
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 93c51808376e3b06fad396138b250ce998a8b33b
[INFO] checking whitequark/gameboy-grabber against master#8ac1525e091d3db28e67adcbbd6db1e1deaa37fb for pr-73323
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhitequark%2Fgameboy-grabber" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] [stderr] Checking out files:  59% (313/523)   
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Checking out files: 100% (523/523), done.
[INFO] validating manifest of git repo https://github.com/whitequark/gameboy-grabber on toolchain 8ac1525e091d3db28e67adcbbd6db1e1deaa37fb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4/source/.cargo/config
[INFO] started tweaking git repo https://github.com/whitequark/gameboy-grabber
[INFO] finished tweaking git repo https://github.com/whitequark/gameboy-grabber
[INFO] tweaked toml for git repo https://github.com/whitequark/gameboy-grabber written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/whitequark/gameboy-grabber already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2403487cd9bd339193385d24bc500535457cfe15f07fd5397862832237ea5604
[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" "2403487cd9bd339193385d24bc500535457cfe15f07fd5397862832237ea5604", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2403487cd9bd339193385d24bc500535457cfe15f07fd5397862832237ea5604", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2403487cd9bd339193385d24bc500535457cfe15f07fd5397862832237ea5604", kill_on_drop: false }`
[INFO] [stdout] 2403487cd9bd339193385d24bc500535457cfe15f07fd5397862832237ea5604
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3bca3477e00a461790729f8e3ba781a368e54f8148501a1de1e4e51a1b1df7e9
[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" "3bca3477e00a461790729f8e3ba781a368e54f8148501a1de1e4e51a1b1df7e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling serde v1.0.89
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking bit-vec v0.5.0
[INFO] [stderr]     Checking cfg-if v0.1.7
[INFO] [stderr]     Checking color_quant v1.0.1
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]    Compiling sdl2-sys v0.31.0
[INFO] [stderr]     Checking bit-set v0.2.0
[INFO] [stderr]     Checking libc v0.2.50
[INFO] [stderr]     Checking num-traits v0.2.6
[INFO] [stderr]     Checking byteorder v1.3.1
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking miniz-sys v0.1.11
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]     Checking gif v0.10.1
[INFO] [stderr]     Checking flate2 v1.0.7
[INFO] [stderr]    Compiling libusb-sys v0.2.3
[INFO] [stderr]     Checking num-iter v0.1.37
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling syn v0.15.29
[INFO] [stderr]     Checking libusb v0.3.0 (https://github.com/whitequark/libusb-rs?branch=async#9cc650c0)
[INFO] [stderr]     Checking sdl2 v0.31.0
[INFO] [stderr]    Compiling serde_derive v1.0.89
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking cgb-grabber v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 53.13s
[INFO] running `Command { std: "docker" "inspect" "3bca3477e00a461790729f8e3ba781a368e54f8148501a1de1e4e51a1b1df7e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bca3477e00a461790729f8e3ba781a368e54f8148501a1de1e4e51a1b1df7e9", kill_on_drop: false }`
[INFO] [stdout] 3bca3477e00a461790729f8e3ba781a368e54f8148501a1de1e4e51a1b1df7e9