[INFO] updating cached repository https://github.com/cmaves/collage-bg
[INFO] running `"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"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 838da633950b7d4424905eba2f732a57c8607373
[INFO] testing cmaves/collage-bg against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcmaves%2Fcollage-bg" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cmaves/collage-bg on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/cmaves/collage-bg
[INFO] finished tweaking git repo https://github.com/cmaves/collage-bg
[INFO] tweaked toml for git repo https://github.com/cmaves/collage-bg written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/cmaves/collage-bg already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b36dad97e0f7e4a8d7ad23710d4c08aaef38ed8a4a78190fdd0a1ddeb035eb14
[INFO] running `"docker" "start" "-a" "b36dad97e0f7e4a8d7ad23710d4c08aaef38ed8a4a78190fdd0a1ddeb035eb14"`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling lzw v0.10.0
[INFO] [stderr]    Compiling color_quant v1.0.1
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling inflate v0.4.5
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling xcb v0.9.0
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling aho-corasick v0.7.9
[INFO] [stderr]    Compiling gif v0.10.3
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-rational v0.2.3
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling deflate v0.7.20
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling regex v1.3.4
[INFO] [stderr]    Compiling crossbeam-queue v0.2.1
[INFO] [stderr]    Compiling png v0.15.3
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.18
[INFO] [stderr]    Compiling tiff v0.3.1
[INFO] [stderr]    Compiling image v0.22.5
[INFO] [stderr]    Compiling bg-setter v0.1.0 (https://github.com/cmaves/bg-setter#56ee92f8)
[INFO] [stderr]    Compiling collage-bg v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `SliceRandom`
[INFO] [stderr]  --> src/lib.rs:2:46
[INFO] [stderr]   |
[INFO] [stderr] 2 | use rand::prelude::{thread_rng,ThreadRng,Rng,SliceRandom};
[INFO] [stderr]   |                                              ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `DirEntry`
[INFO] [stderr]  --> src/lib.rs:6:15
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::fs::{DirEntry,read_dir};
[INFO] [stderr]   |               ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `xcb::ConnError`
[INFO] [stderr]  --> src/lib.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use xcb::ConnError;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:23:3
[INFO] [stderr]    |
[INFO] [stderr] 23 |         cg.replace_random(count % cg.lens());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] error: linking with `cc` failed: exit code: 1
[INFO] [stderr]   |
[INFO] [stderr]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-L" "/opt/rustwide/rustup-home/toolchains/28742a1146f10a4f09369baad027a464acb7a766/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/collage_bg-5e9c2355b6132bd2.collage_bg.1z2phs9u-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/collage_bg-5e9c2355b6132bd2.collage_bg.1z2phs9u-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/collage_bg-5e9c2355b6132bd2.collage_bg.1z2phs9u-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/collage_bg-5e9c2355b6132bd2.collage_bg.1z2phs9u-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/collage_bg-5e9c2355b6132bd2.collage_bg.1z2phs9u-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/collage_bg-5e9c2355b6132bd2.collage_bg.1z2phs9u-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/collage_bg-5e9c2355b6132bd2.collage_bg.1z2phs9u-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/collage_bg-5e9c2355b6132bd2.collage_bg.1z2phs9u-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/collage_bg-5e9c2355b6132bd2.collage_bg.1z2phs9u-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/collage_bg-5e9c2355b6132bd2.collage_bg.1z2phs9u-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/collage_bg-5e9c2355b6132bd2.collage_bg.1z2phs9u-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/collage_bg-5e9c2355b6132bd2.collage_bg.1z2phs9u-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/collage_bg-5e9c2355b6132bd2.collage_bg.1z2phs9u-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/collage_bg-5e9c2355b6132bd2.collage_bg.1z2phs9u-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/collage_bg-5e9c2355b6132bd2.collage_bg.1z2phs9u-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/collage_bg-5e9c2355b6132bd2.collage_bg.1z2phs9u-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/collage_bg-5e9c2355b6132bd2" "/opt/rustwide/target/debug/deps/collage_bg-5e9c2355b6132bd2.i9n4bjrgeuoui1k.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/28742a1146f10a4f09369baad027a464acb7a766/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libcollage_bg-f26c0a5358867cc9.rlib" "/opt/rustwide/target/debug/deps/libregex-d1680eca3773cb0f.rlib" "/opt/rustwide/target/debug/deps/libthread_local-99a05dc3a68e4d67.rlib" "/opt/rustwide/target/debug/deps/libregex_syntax-f1ef5e203c87423f.rlib" "/opt/rustwide/target/debug/deps/libaho_corasick-5dbe3324d88f44d0.rlib" "/opt/rustwide/target/debug/deps/libmemchr-e6743c7b9c8d789f.rlib" "/opt/rustwide/target/debug/deps/librand-ebaf874d202945de.rlib" "/opt/rustwide/target/debug/deps/librand_chacha-5cad3f5ae817ec42.rlib" "/opt/rustwide/target/debug/deps/libc2_chacha-91ee036dce5c5706.rlib" "/opt/rustwide/target/debug/deps/libppv_lite86-bc80430b8a7c0f1e.rlib" "/opt/rustwide/target/debug/deps/librand_core-acc48fbfa01f977e.rlib" "/opt/rustwide/target/debug/deps/libgetrandom-909fa7869e611d3e.rlib" "/opt/rustwide/target/debug/deps/libbg_setter-c3507dc9ecd1105f.rlib" "/opt/rustwide/target/debug/deps/libimage-656b2b1d2ab08871.rlib" "/opt/rustwide/target/debug/deps/libtiff-8c785657e65982c5.rlib" "/opt/rustwide/target/debug/deps/libpng-a56b82b73e51e4f5.rlib" "/opt/rustwide/target/debug/deps/libdeflate-d591653aaa5b6387.rlib" "/opt/rustwide/target/debug/deps/libinflate-b767d6e1ef2b6cca.rlib" "/opt/rustwide/target/debug/deps/libadler32-f0be7fc42b62f0a5.rlib" "/opt/rustwide/target/debug/deps/libcrc32fast-fcd520c127a579f7.rlib" "/opt/rustwide/target/debug/deps/libbitflags-c5180c3dc5cc8193.rlib" "/opt/rustwide/target/debug/deps/libjpeg_decoder-390d2725cdf1be47.rlib" "/opt/rustwide/target/debug/deps/librayon-20de57313554523e.rlib" "/opt/rustwide/target/debug/deps/librayon_core-ce22f9895eee69d2.rlib" "/opt/rustwide/target/debug/deps/libnum_cpus-5a302a75dbb0c1d5.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_queue-d0799fa330d7eb82.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_deque-f3a096e0104268e2.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_epoch-81b4a570d1510224.rlib" "/opt/rustwide/target/debug/deps/libscopeguard-e335d69753d979bd.rlib" "/opt/rustwide/target/debug/deps/libmemoffset-dd6548adc85d4233.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_utils-b10a16722c3354ed.rlib" "/opt/rustwide/target/debug/deps/libmaybe_uninit-339b675ddd6c173a.rlib" "/opt/rustwide/target/debug/deps/libeither-f74d019d6d596424.rlib" "/opt/rustwide/target/debug/deps/libgif-86b2f05c788656eb.rlib" "/opt/rustwide/target/debug/deps/libcolor_quant-bddca3167f05293c.rlib" "/opt/rustwide/target/debug/deps/liblzw-136c93306fc01c9c.rlib" "/opt/rustwide/target/debug/deps/libscoped_threadpool-8103a659250d3197.rlib" "/opt/rustwide/target/debug/deps/libnum_rational-e9970583cc394771.rlib" "/opt/rustwide/target/debug/deps/libnum_iter-b15754a5e646f432.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-9cd67c0915415615.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-9f97a4fd61bd1e10.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-7b8e532639ee0fad.rlib" "/opt/rustwide/target/debug/deps/libxcb-c911e486177c3279.rlib" "/opt/rustwide/target/debug/deps/liblog-dd0cc9f7ce37032a.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-7bfa6ddb9b2ff1d3.rlib" "/opt/rustwide/target/debug/deps/liblibc-adea4f85f04a5923.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-81e71b56f2a8a8f3.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/28742a1146f10a4f09369baad027a464acb7a766/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-1dac1a412c98f50d.rlib" "/opt/rustwide/rustup-home/toolchains/28742a1146f10a4f09369baad027a464acb7a766/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-b7841fd014bf83a1.rlib" "/opt/rustwide/rustup-home/toolchains/28742a1146f10a4f09369baad027a464acb7a766/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-338c0763450dca22.rlib" "/opt/rustwide/rustup-home/toolchains/28742a1146f10a4f09369baad027a464acb7a766/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-5f2e5d11836e0967.rlib" "/opt/rustwide/rustup-home/toolchains/28742a1146f10a4f09369baad027a464acb7a766/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-81a9070bd3553adf.rlib" "/opt/rustwide/rustup-home/toolchains/28742a1146f10a4f09369baad027a464acb7a766/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-e297830377b95af4.rlib" "/opt/rustwide/rustup-home/toolchains/28742a1146f10a4f09369baad027a464acb7a766/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-b38b87f2dd197fa0.rlib" "/opt/rustwide/rustup-home/toolchains/28742a1146f10a4f09369baad027a464acb7a766/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-601015f2e15e7e26.rlib" "/opt/rustwide/rustup-home/toolchains/28742a1146f10a4f09369baad027a464acb7a766/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-439f3a589bd88586.rlib" "/opt/rustwide/rustup-home/toolchains/28742a1146f10a4f09369baad027a464acb7a766/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-57ab7e6ac23ce11f.rlib" "/opt/rustwide/rustup-home/toolchains/28742a1146f10a4f09369baad027a464acb7a766/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-3aec7f88778e912a.rlib" "/opt/rustwide/rustup-home/toolchains/28742a1146f10a4f09369baad027a464acb7a766/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-b6806800b307d4b9.rlib" "/opt/rustwide/rustup-home/toolchains/28742a1146f10a4f09369baad027a464acb7a766/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-e49d7651b12f7563.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/28742a1146f10a4f09369baad027a464acb7a766/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-e8266574e26adcc3.rlib" "-Wl,-Bdynamic" "-lxcb-image" "-lxcb" "-lxcb" "-lxcb" "-lxcb" "-lxcb-randr" "-lxcb-render" "-lxcb-shm" "-lutil" "-ldl" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-lutil"
[INFO] [stderr]   = note: /usr/bin/ld: cannot find -lxcb-image
[INFO] [stderr]           collect2: error: ld returned 1 exit status
[INFO] [stderr]           
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error; 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `collage-bg`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "b36dad97e0f7e4a8d7ad23710d4c08aaef38ed8a4a78190fdd0a1ddeb035eb14"`
[INFO] running `"docker" "rm" "-f" "b36dad97e0f7e4a8d7ad23710d4c08aaef38ed8a4a78190fdd0a1ddeb035eb14"`
[INFO] [stdout] b36dad97e0f7e4a8d7ad23710d4c08aaef38ed8a4a78190fdd0a1ddeb035eb14