[INFO] fetching crate tello 0.3.0...
[INFO] testing tello-0.3.0 against beta-2020-10-09 for beta-1.48-1
[INFO] extracting crate tello 0.3.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate tello 0.3.0 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", 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-7/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" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eba61cb9be0d9bc24ad18c87bad021b7576ed328ea81ea00abf7aeeb4e384e42
[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" "eba61cb9be0d9bc24ad18c87bad021b7576ed328ea81ea00abf7aeeb4e384e42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eba61cb9be0d9bc24ad18c87bad021b7576ed328ea81ea00abf7aeeb4e384e42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eba61cb9be0d9bc24ad18c87bad021b7576ed328ea81ea00abf7aeeb4e384e42", kill_on_drop: false }`
[INFO] [stdout] eba61cb9be0d9bc24ad18c87bad021b7576ed328ea81ea00abf7aeeb4e384e42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad50f85fa30bd5655909384649fe1c176461b7651b14e9568d313615d37a4bba
[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" "ad50f85fa30bd5655909384649fe1c176461b7651b14e9568d313615d37a4bba", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling time v0.1.42
[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 4.39s
[INFO] running `Command { std: "docker" "inspect" "ad50f85fa30bd5655909384649fe1c176461b7651b14e9568d313615d37a4bba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad50f85fa30bd5655909384649fe1c176461b7651b14e9568d313615d37a4bba", kill_on_drop: false }`
[INFO] [stdout] ad50f85fa30bd5655909384649fe1c176461b7651b14e9568d313615d37a4bba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08acab12715038e0707d75fd921d0cb5e4863d7271034fb83230b4b84bde5cee
[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" "08acab12715038e0707d75fd921d0cb5e4863d7271034fb83230b4b84bde5cee", kill_on_drop: false }`
[INFO] [stderr]    Compiling sdl2 v0.32.2
[INFO] [stderr]    Compiling sdl2-sys v0.32.6
[INFO] [stderr]    Compiling num-iter v0.1.39
[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 code: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-Wl,--eh-frame-hdr" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/examples/fly-aad950495ba74b77.fly.akh24lge-cgu.0.rcgu.o" "/opt/rustwide/target/debug/examples/fly-aad950495ba74b77.fly.akh24lge-cgu.1.rcgu.o" "/opt/rustwide/target/debug/examples/fly-aad950495ba74b77.fly.akh24lge-cgu.10.rcgu.o" "/opt/rustwide/target/debug/examples/fly-aad950495ba74b77.fly.akh24lge-cgu.11.rcgu.o" "/opt/rustwide/target/debug/examples/fly-aad950495ba74b77.fly.akh24lge-cgu.12.rcgu.o" "/opt/rustwide/target/debug/examples/fly-aad950495ba74b77.fly.akh24lge-cgu.13.rcgu.o" "/opt/rustwide/target/debug/examples/fly-aad950495ba74b77.fly.akh24lge-cgu.14.rcgu.o" "/opt/rustwide/target/debug/examples/fly-aad950495ba74b77.fly.akh24lge-cgu.15.rcgu.o" "/opt/rustwide/target/debug/examples/fly-aad950495ba74b77.fly.akh24lge-cgu.2.rcgu.o" "/opt/rustwide/target/debug/examples/fly-aad950495ba74b77.fly.akh24lge-cgu.3.rcgu.o" "/opt/rustwide/target/debug/examples/fly-aad950495ba74b77.fly.akh24lge-cgu.4.rcgu.o" "/opt/rustwide/target/debug/examples/fly-aad950495ba74b77.fly.akh24lge-cgu.5.rcgu.o" "/opt/rustwide/target/debug/examples/fly-aad950495ba74b77.fly.akh24lge-cgu.6.rcgu.o" "/opt/rustwide/target/debug/examples/fly-aad950495ba74b77.fly.akh24lge-cgu.7.rcgu.o" "/opt/rustwide/target/debug/examples/fly-aad950495ba74b77.fly.akh24lge-cgu.8.rcgu.o" "/opt/rustwide/target/debug/examples/fly-aad950495ba74b77.fly.akh24lge-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/examples/fly-aad950495ba74b77" "/opt/rustwide/target/debug/examples/fly-aad950495ba74b77.3z3jzt5g1zkic3uj.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libtello-9d1fe8f8af41a03f.rlib" "/opt/rustwide/target/debug/deps/libchrono-305bb1d5aa174005.rlib" "/opt/rustwide/target/debug/deps/libtime-209b7746581d074b.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-920ed6a70714d423.rlib" "/opt/rustwide/target/debug/deps/libsdl2-78289263d7dbc49b.rlib" "/opt/rustwide/target/debug/deps/librand-028eac9bf3e59034.rlib" "/opt/rustwide/target/debug/deps/librand_xorshift-ff4debf85d7d0431.rlib" "/opt/rustwide/target/debug/deps/librand_pcg-d3554ad8d1f072a9.rlib" "/opt/rustwide/target/debug/deps/librand_hc-67b08b8b6035b688.rlib" "/opt/rustwide/target/debug/deps/librand_chacha-3f3162119f31c395.rlib" "/opt/rustwide/target/debug/deps/librand_isaac-ae775067d7a59098.rlib" "/opt/rustwide/target/debug/deps/librand_core-eadf77cab825c6b0.rlib" "/opt/rustwide/target/debug/deps/librand_os-747ecbe83b213a79.rlib" "/opt/rustwide/target/debug/deps/librand_jitter-c74589dc11794036.rlib" "/opt/rustwide/target/debug/deps/librand_core-8dd96053848a29ab.rlib" "/opt/rustwide/target/debug/deps/libsdl2_sys-92d7f21afc7fcb51.rlib" "/opt/rustwide/target/debug/deps/libbitflags-ef3b499484556621.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-03dc560a77c5aa3e.rlib" "/opt/rustwide/target/debug/deps/liblibc-788ccbe2475f8bf2.rlib" "/opt/rustwide/target/debug/deps/libnum-c95c7f7dfb6aa5cf.rlib" "/opt/rustwide/target/debug/deps/libnum_iter-bb36ab64519fe73d.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-f450ce6e322f2482.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-6975ea36585c9df2.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-3532beb752f910d7.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-3529ece450b7f3c6.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-23e8f582a6744f80.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-5e7e0793b29cbf78.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-253e0736424ceb78.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-b6fd484888124c85.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-cca4d20e4b53839c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-0a7401891c2a4f50.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-efbb25e073df787e.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-25965457612624bc.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-09058283ea779342.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-ab973dacc0513511.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-b437d6640b1f764b.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-8cc0b2380206399c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-727cdf2b6a468113.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-cf4d442d877ea2f4.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-7e5b6df427ca977c.rlib" "-Wl,-Bdynamic" "-lSDL2" "-lSDL2_ttf" "-lutil" "-lutil" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-lutil"
[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" "08acab12715038e0707d75fd921d0cb5e4863d7271034fb83230b4b84bde5cee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08acab12715038e0707d75fd921d0cb5e4863d7271034fb83230b4b84bde5cee", kill_on_drop: false }`
[INFO] [stdout] 08acab12715038e0707d75fd921d0cb5e4863d7271034fb83230b4b84bde5cee
