[INFO] fetching crate tello 0.3.0...
[INFO] testing tello-0.3.0 against 1.54.0 for beta-1.55-1
[INFO] extracting crate tello 0.3.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate tello 0.3.0 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tello 0.3.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate tello 0.3.0
[INFO] tweaked toml for crates.io crate tello 0.3.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate tello 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.54.0" "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] 955b1e4acc4ce3c71b9172488024be6f4bf60c222e3510a1b893847e85f3caa2
[INFO] running `Command { std: "docker" "start" "-a" "955b1e4acc4ce3c71b9172488024be6f4bf60c222e3510a1b893847e85f3caa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "955b1e4acc4ce3c71b9172488024be6f4bf60c222e3510a1b893847e85f3caa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "955b1e4acc4ce3c71b9172488024be6f4bf60c222e3510a1b893847e85f3caa2", kill_on_drop: false }`
[INFO] [stdout] 955b1e4acc4ce3c71b9172488024be6f4bf60c222e3510a1b893847e85f3caa2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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" "+1.54.0" "build" "--frozen" "--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] b58acd663d9fe8fc7cace8152c08f5a0473238bab68a374abcb44d23d05477bd
[INFO] running `Command { std: "docker" "start" "-a" "b58acd663d9fe8fc7cace8152c08f5a0473238bab68a374abcb44d23d05477bd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling chrono v0.4.10
[INFO] [stderr]    Compiling tello v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.70s
[INFO] running `Command { std: "docker" "inspect" "b58acd663d9fe8fc7cace8152c08f5a0473238bab68a374abcb44d23d05477bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b58acd663d9fe8fc7cace8152c08f5a0473238bab68a374abcb44d23d05477bd", kill_on_drop: false }`
[INFO] [stdout] b58acd663d9fe8fc7cace8152c08f5a0473238bab68a374abcb44d23d05477bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d6e896485e252c8625e65ae23e48daa6130a16691f36d685a566fd4da7252851
[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" "d6e896485e252c8625e65ae23e48daa6130a16691f36d685a566fd4da7252851", kill_on_drop: false }`
[INFO] [stderr]    Compiling sdl2 v0.32.2
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling sdl2-sys v0.32.6
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling tello v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `SocketAddr`, `UdpSocket`
[INFO] [stdout]  --> examples/fly/main.rs:8:16
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::net::{SocketAddr, UdpSocket};
[INFO] [stdout]   |                ^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-m64" "/opt/rustwide/target/debug/examples/fly-9e046870ef173ab4.fly.b36p0sqi-cgu.0.rcgu.o" "/opt/rustwide/target/debug/examples/fly-9e046870ef173ab4.fly.b36p0sqi-cgu.1.rcgu.o" "/opt/rustwide/target/debug/examples/fly-9e046870ef173ab4.fly.b36p0sqi-cgu.10.rcgu.o" "/opt/rustwide/target/debug/examples/fly-9e046870ef173ab4.fly.b36p0sqi-cgu.11.rcgu.o" "/opt/rustwide/target/debug/examples/fly-9e046870ef173ab4.fly.b36p0sqi-cgu.12.rcgu.o" "/opt/rustwide/target/debug/examples/fly-9e046870ef173ab4.fly.b36p0sqi-cgu.13.rcgu.o" "/opt/rustwide/target/debug/examples/fly-9e046870ef173ab4.fly.b36p0sqi-cgu.14.rcgu.o" "/opt/rustwide/target/debug/examples/fly-9e046870ef173ab4.fly.b36p0sqi-cgu.15.rcgu.o" "/opt/rustwide/target/debug/examples/fly-9e046870ef173ab4.fly.b36p0sqi-cgu.2.rcgu.o" "/opt/rustwide/target/debug/examples/fly-9e046870ef173ab4.fly.b36p0sqi-cgu.3.rcgu.o" "/opt/rustwide/target/debug/examples/fly-9e046870ef173ab4.fly.b36p0sqi-cgu.4.rcgu.o" "/opt/rustwide/target/debug/examples/fly-9e046870ef173ab4.fly.b36p0sqi-cgu.5.rcgu.o" "/opt/rustwide/target/debug/examples/fly-9e046870ef173ab4.fly.b36p0sqi-cgu.6.rcgu.o" "/opt/rustwide/target/debug/examples/fly-9e046870ef173ab4.fly.b36p0sqi-cgu.7.rcgu.o" "/opt/rustwide/target/debug/examples/fly-9e046870ef173ab4.fly.b36p0sqi-cgu.8.rcgu.o" "/opt/rustwide/target/debug/examples/fly-9e046870ef173ab4.fly.b36p0sqi-cgu.9.rcgu.o" "/opt/rustwide/target/debug/examples/fly-9e046870ef173ab4.3wp64m1451ha3l3w.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libtello-a0c794d5711586ef.rlib" "/opt/rustwide/target/debug/deps/libchrono-25f0d8826cc96f91.rlib" "/opt/rustwide/target/debug/deps/libtime-7feb8bc0a5fb72cb.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-b806cf34b2138bdc.rlib" "/opt/rustwide/target/debug/deps/libsdl2-c18e34336b10828d.rlib" "/opt/rustwide/target/debug/deps/librand-91825b1f2aab8fcd.rlib" "/opt/rustwide/target/debug/deps/librand_xorshift-1b1159265b7ea552.rlib" "/opt/rustwide/target/debug/deps/librand_pcg-17ff6a566d93295e.rlib" "/opt/rustwide/target/debug/deps/librand_hc-7f6d4d4fbf0f1f03.rlib" "/opt/rustwide/target/debug/deps/librand_chacha-1c46fb839c131f1e.rlib" "/opt/rustwide/target/debug/deps/librand_isaac-e7e43fc1773729b6.rlib" "/opt/rustwide/target/debug/deps/librand_core-46bc130fb04fd44b.rlib" "/opt/rustwide/target/debug/deps/librand_os-f27dcef0d5f03320.rlib" "/opt/rustwide/target/debug/deps/librand_jitter-d8ba8cbd680b44c7.rlib" "/opt/rustwide/target/debug/deps/librand_core-8195e4f9653f651a.rlib" "/opt/rustwide/target/debug/deps/libsdl2_sys-e3821648ffd880c1.rlib" "/opt/rustwide/target/debug/deps/libbitflags-f89ae4b715176e2d.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-5c53d641eb010a81.rlib" "/opt/rustwide/target/debug/deps/liblibc-df8c29425271c273.rlib" "/opt/rustwide/target/debug/deps/libnum-a0eb2932dda65b36.rlib" "/opt/rustwide/target/debug/deps/libnum_iter-b4c17a07c92eaec0.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-605f85ca605f2c77.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-c6019ed6c37ab9d2.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-2420485b9e5ef5e1.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-785e3cb61c4b1960.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-087191a88bdaa22d.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-9981842c02975178.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-6fb405869b015fde.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-d05c5c3c56004b7b.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-42d74d2097528b38.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-fb36534c113d2209.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-b56b9042c12b6535.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-491902d6cb3e76df.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-61834e0981b8c367.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-f78aa99d613a55bc.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-53ee54cd7fed2c57.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-544ecdbd6cda3c58.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-379cc252b6943a79.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-8063eea38dcc5e62.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-5b228734afae15ee.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-d6c7a399d95d173f.rlib" "-Wl,-Bdynamic" "-lSDL2" "-lSDL2_ttf" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/examples/fly-9e046870ef173ab4" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: cannot find -lSDL2_ttf
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tello`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "d6e896485e252c8625e65ae23e48daa6130a16691f36d685a566fd4da7252851", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6e896485e252c8625e65ae23e48daa6130a16691f36d685a566fd4da7252851", kill_on_drop: false }`
[INFO] [stdout] d6e896485e252c8625e65ae23e48daa6130a16691f36d685a566fd4da7252851
