[INFO] updating cached repository https://github.com/cmaves/collage-bg
[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] 838da633950b7d4424905eba2f732a57c8607373
[INFO] testing cmaves/collage-bg against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcmaves%2Fcollage-bg" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cmaves/collage-bg on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-12/source/Cargo.toml
[INFO] crate git repo https://github.com/cmaves/collage-bg already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 94f977fbd1896582cc07bf015fcbbc8aae48183aad3d249fd7e1c5f783cd7cf0
[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" "94f977fbd1896582cc07bf015fcbbc8aae48183aad3d249fd7e1c5f783cd7cf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "94f977fbd1896582cc07bf015fcbbc8aae48183aad3d249fd7e1c5f783cd7cf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94f977fbd1896582cc07bf015fcbbc8aae48183aad3d249fd7e1c5f783cd7cf0", kill_on_drop: false }`
[INFO] [stdout] 94f977fbd1896582cc07bf015fcbbc8aae48183aad3d249fd7e1c5f783cd7cf0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d82aa27a887da3d2417d5e21c6411ea7e4cabc669c62d5a4f796a9643197d56
[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" "5d82aa27a887da3d2417d5e21c6411ea7e4cabc669c62d5a4f796a9643197d56", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling adler32 v1.0.4
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling regex-syntax v0.6.14
[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-iter v0.1.40
[INFO] [stderr]    Compiling num-rational v0.2.3
[INFO] [stderr]    Compiling gif v0.10.3
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling inflate v0.4.5
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling xcb v0.9.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling aho-corasick v0.7.9
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling crossbeam-queue v0.2.1
[INFO] [stderr]    Compiling deflate v0.7.20
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling png v0.15.3
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]    Compiling regex v1.3.4
[INFO] [stderr]    Compiling num-derive v0.2.5
[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] [stdout] warning: unused import: `SliceRandom`
[INFO] [stdout]  --> src/lib.rs:2:46
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rand::prelude::{thread_rng,ThreadRng,Rng,SliceRandom};
[INFO] [stdout]   |                                              ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `DirEntry`
[INFO] [stdout]  --> src/lib.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::fs::{DirEntry,read_dir};
[INFO] [stdout]   |               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `xcb::ConnError`
[INFO] [stdout]  --> src/lib.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use xcb::ConnError;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:23:3
[INFO] [stdout]    |
[INFO] [stdout] 23 |         cg.replace_random(count % cg.lens());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[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/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/collage_bg-f6b8179394666716.collage_bg.4ia4k4gf-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/collage_bg-f6b8179394666716.collage_bg.4ia4k4gf-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/collage_bg-f6b8179394666716.collage_bg.4ia4k4gf-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/collage_bg-f6b8179394666716.collage_bg.4ia4k4gf-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/collage_bg-f6b8179394666716.collage_bg.4ia4k4gf-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/collage_bg-f6b8179394666716.collage_bg.4ia4k4gf-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/collage_bg-f6b8179394666716.collage_bg.4ia4k4gf-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/collage_bg-f6b8179394666716.collage_bg.4ia4k4gf-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/collage_bg-f6b8179394666716.collage_bg.4ia4k4gf-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/collage_bg-f6b8179394666716.collage_bg.4ia4k4gf-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/collage_bg-f6b8179394666716.collage_bg.4ia4k4gf-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/collage_bg-f6b8179394666716.collage_bg.4ia4k4gf-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/collage_bg-f6b8179394666716.collage_bg.4ia4k4gf-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/collage_bg-f6b8179394666716.collage_bg.4ia4k4gf-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/collage_bg-f6b8179394666716.collage_bg.4ia4k4gf-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/collage_bg-f6b8179394666716.collage_bg.4ia4k4gf-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/collage_bg-f6b8179394666716" "/opt/rustwide/target/debug/deps/collage_bg-f6b8179394666716.548h4ucv4t76aiw6.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libcollage_bg-28a989b5cb7b4070.rlib" "/opt/rustwide/target/debug/deps/libregex-30ae79b8a82bca97.rlib" "/opt/rustwide/target/debug/deps/libthread_local-c3b7931041689864.rlib" "/opt/rustwide/target/debug/deps/libregex_syntax-769349bb77371d9a.rlib" "/opt/rustwide/target/debug/deps/libaho_corasick-75219a104f3e5e84.rlib" "/opt/rustwide/target/debug/deps/libmemchr-1e6b68a09fbeab95.rlib" "/opt/rustwide/target/debug/deps/librand-a9fe38bc30326f85.rlib" "/opt/rustwide/target/debug/deps/librand_chacha-d992ad6cbb70f040.rlib" "/opt/rustwide/target/debug/deps/libc2_chacha-59e5b0a94e42cd7c.rlib" "/opt/rustwide/target/debug/deps/libppv_lite86-98bc5df0f0a20e78.rlib" "/opt/rustwide/target/debug/deps/librand_core-f69aa6800f8e3f04.rlib" "/opt/rustwide/target/debug/deps/libgetrandom-c182dada357910f8.rlib" "/opt/rustwide/target/debug/deps/libbg_setter-19c1c2863e0dfed4.rlib" "/opt/rustwide/target/debug/deps/libimage-81a0aad8d00b6745.rlib" "/opt/rustwide/target/debug/deps/libtiff-bc50c91ec7f9ea43.rlib" "/opt/rustwide/target/debug/deps/libpng-b28fa024b9347e17.rlib" "/opt/rustwide/target/debug/deps/libdeflate-74d08482525cff87.rlib" "/opt/rustwide/target/debug/deps/libinflate-b80729d8e315816f.rlib" "/opt/rustwide/target/debug/deps/libadler32-2b02d44fcddd2c34.rlib" "/opt/rustwide/target/debug/deps/libcrc32fast-730991321300d642.rlib" "/opt/rustwide/target/debug/deps/libbitflags-56eca94422237621.rlib" "/opt/rustwide/target/debug/deps/libjpeg_decoder-00056f4674b088a0.rlib" "/opt/rustwide/target/debug/deps/librayon-7efeea93f1ce57b9.rlib" "/opt/rustwide/target/debug/deps/librayon_core-99ef2b0403d6297f.rlib" "/opt/rustwide/target/debug/deps/libnum_cpus-da301dcebfa58f07.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_queue-bc6276598fbc15d3.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_deque-04d66a9a80a7d650.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_epoch-bb6cd054b33cdcca.rlib" "/opt/rustwide/target/debug/deps/libscopeguard-83022017c749d9a0.rlib" "/opt/rustwide/target/debug/deps/libmemoffset-fbd158903beae887.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_utils-81bff507660079cf.rlib" "/opt/rustwide/target/debug/deps/libmaybe_uninit-0fd2041bafbc4b04.rlib" "/opt/rustwide/target/debug/deps/libeither-d16fe89f95ef3ba1.rlib" "/opt/rustwide/target/debug/deps/libgif-92ca30934fde21ad.rlib" "/opt/rustwide/target/debug/deps/libcolor_quant-43e25ff04447f77f.rlib" "/opt/rustwide/target/debug/deps/liblzw-1663256aa41133c9.rlib" "/opt/rustwide/target/debug/deps/libscoped_threadpool-6c273243435ce414.rlib" "/opt/rustwide/target/debug/deps/libnum_rational-e29a25df2736397b.rlib" "/opt/rustwide/target/debug/deps/libnum_iter-0532e6eee0d7d1de.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-9462e55e6819499b.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-532a196370ef10b3.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-8e7ddb72171cc91f.rlib" "/opt/rustwide/target/debug/deps/libxcb-d88037203c8f800d.rlib" "/opt/rustwide/target/debug/deps/liblog-642ce3e611c2eb82.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-b00c34326580381c.rlib" "/opt/rustwide/target/debug/deps/liblibc-ed2ca172ae284f59.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-7c0477ae3415ac1f.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-5989bcf78182f65e.rlib" "/opt/rustwide/rustup-home/toolchains/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-4d6da34bc177af8d.rlib" "/opt/rustwide/rustup-home/toolchains/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-10e0d6c948699482.rlib" "/opt/rustwide/rustup-home/toolchains/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-c2318e2415657781.rlib" "/opt/rustwide/rustup-home/toolchains/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-3815b93ed84badbb.rlib" "/opt/rustwide/rustup-home/toolchains/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-d7999143d95238cb.rlib" "/opt/rustwide/rustup-home/toolchains/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-c58298a0d40df8b8.rlib" "/opt/rustwide/rustup-home/toolchains/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-b7de97e2ba6fb4e2.rlib" "/opt/rustwide/rustup-home/toolchains/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-6f71c9f654d72cce.rlib" "/opt/rustwide/rustup-home/toolchains/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-95ea48ddc44a311b.rlib" "/opt/rustwide/rustup-home/toolchains/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-7402cd4761aebc14.rlib" "/opt/rustwide/rustup-home/toolchains/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-68f423c59dc48a40.rlib" "/opt/rustwide/rustup-home/toolchains/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-54580c7798bf2225.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-95a4d456339b7385.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] [stdout]   = note: /usr/bin/ld: cannot find -lxcb-image
[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 `collage-bg`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "5d82aa27a887da3d2417d5e21c6411ea7e4cabc669c62d5a4f796a9643197d56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d82aa27a887da3d2417d5e21c6411ea7e4cabc669c62d5a4f796a9643197d56", kill_on_drop: false }`
[INFO] [stdout] 5d82aa27a887da3d2417d5e21c6411ea7e4cabc669c62d5a4f796a9643197d56