[INFO] cloning repository https://github.com/risboo6909/aoc2019-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/risboo6909/aoc2019-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frisboo6909%2Faoc2019-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frisboo6909%2Faoc2019-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d20434cadc506d024f1b4089828615501015b25f
[INFO] testing risboo6909/aoc2019-rust against try#c066bf6804adc55193b71afdff6a56922f4a8689+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_in_2025-retry-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frisboo6909%2Faoc2019-rust" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/risboo6909/aoc2019-rust
[INFO] finished tweaking git repo https://github.com/risboo6909/aoc2019-rust
[INFO] tweaked toml for git repo https://github.com/risboo6909/aoc2019-rust written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/risboo6909/aoc2019-rust on toolchain c066bf6804adc55193b71afdff6a56922f4a8689
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c066bf6804adc55193b71afdff6a56922f4a8689" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/risboo6909/aoc2019-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c066bf6804adc55193b71afdff6a56922f4a8689" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+c066bf6804adc55193b71afdff6a56922f4a8689" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f6bb0717f50402f7d974fd8be180893c1dfc5bedf30f16a1407385f5b1faa27f
[INFO] running `Command { std: "docker" "start" "-a" "f6bb0717f50402f7d974fd8be180893c1dfc5bedf30f16a1407385f5b1faa27f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6bb0717f50402f7d974fd8be180893c1dfc5bedf30f16a1407385f5b1faa27f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6bb0717f50402f7d974fd8be180893c1dfc5bedf30f16a1407385f5b1faa27f", kill_on_drop: false }`
[INFO] [stdout] f6bb0717f50402f7d974fd8be180893c1dfc5bedf30f16a1407385f5b1faa27f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+c066bf6804adc55193b71afdff6a56922f4a8689" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 51ef0b9a15a29e9c125ead8a25336f9132058d1b0667e25b0fb13fb7299ff23c
[INFO] running `Command { std: "docker" "start" "-a" "51ef0b9a15a29e9c125ead8a25336f9132058d1b0667e25b0fb13fb7299ff23c", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling scopeguard v1.0.0
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling cc v1.0.47
[INFO] [stderr]    Compiling adler32 v1.0.4
[INFO] [stderr]    Compiling rayon-core v1.6.1
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling lzw v0.10.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling inflate v0.4.5
[INFO] [stderr]    Compiling miniz_oxide v0.3.5
[INFO] [stderr]    Compiling color_quant v1.0.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling num-bigint v0.2.3
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling deflate v0.7.20
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling gif v0.10.3
[INFO] [stderr]    Compiling permutohedron v0.2.4
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling num_cpus v1.12.0
[INFO] [stderr]    Compiling crossbeam-queue v0.2.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling colored v1.9.0
[INFO] [stderr]    Compiling png v0.15.2
[INFO] [stderr]    Compiling tiff v0.4.0
[INFO] [stderr]    Compiling crossbeam-channel v0.4.0
[INFO] [stderr]    Compiling crossbeam-deque v0.7.2
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling crossbeam v0.7.3
[INFO] [stderr]    Compiling rayon v1.2.1
[INFO] [stderr]    Compiling backtrace v0.3.40
[INFO] [stderr]    Compiling num v0.2.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.16
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling image v0.23.0-preview.0
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]    Compiling utils v0.1.0 (/opt/rustwide/workdir/utils)
[INFO] [stderr]    Compiling problems v0.1.0 (/opt/rustwide/workdir/problems)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> problems/src/problem3/mod.rs:58:19
[INFO] [stdout]    |
[INFO] [stdout] 58 | fn advance_cursor(mut cursor: &mut Cursor, dir: Dir) {
[INFO] [stdout]    |                   ----^^^^^^
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note:  "cc" "-m64" "<sysroot>/lib/rustlib/x86_64-unknown-linux-musl/lib/self-contained/rcrt1.o" "<sysroot>/lib/rustlib/x86_64-unknown-linux-musl/lib/self-contained/crti.o" "<sysroot>/lib/rustlib/x86_64-unknown-linux-musl/lib/self-contained/crtbeginS.o" "/tmp/rustcB5PYZ6/symbols.o" "<17 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/{libcrossbeam-93c7f4fcb6923ec5.rlib,libcrossbeam_channel-160ab0c4d4095a75.rlib,libimage-f2232d325d6da3e8.rlib,libtiff-fa02c075c34a644c.rlib,libminiz_oxide-c6d66ff76ff079d2.rlib,libpng-01c0f6b78385a865.rlib,libdeflate-45c7b7f36c296ddb.rlib,libinflate-7d9f028e8fad4413.rlib,libadler32-d5b4eee2103fe4ae.rlib,libcrc32fast-061a844a3ae1fd0f.rlib,libbitflags-561a4f1321538a32.rlib,libjpeg_decoder-8ff128381434563e.rlib,librayon-256d54a7015bfe89.rlib,librayon_core-5eb86c2cefff1ed6.rlib,libnum_cpus-6fa4fdee7a2ca131.rlib,libcrossbeam_queue-81292f3e11fb4d05.rlib,libcrossbeam_deque-99044012273440b5.rlib,libcrossbeam_epoch-5a37a86b4a9068df.rlib,libscopeguard-31ea71a279b39840.rlib,libmemoffset-731bfe0186a101cd.rlib,libcrossbeam_utils-d626c28fe39f3ef1.rlib,libgif-b9feb260d01964d6.rlib,libcolor_quant-9c8c9adf1a35708c.rlib,liblzw-4876bf1d3077c95b.rlib,libscoped_threadpool-7a69c1f095d1210f.rlib,libbyteorder-61869a15e141d6eb.rlib,libpermutohedron-c6956b23ffbd57e3.rlib,libitertools-c3ce11224d3ef3ea.rlib,libeither-00eb09499d51fa78.rlib,librand-2a718aa3ad3f61ae.rlib,librand_chacha-cc271f5386802666.rlib,libc2_chacha-9e049181c203be6d.rlib,libppv_lite86-3db1eddbb11ee7cb.rlib,librand_core-6f0ccee08afb5fad.rlib,libgetrandom-2b855fd8c1f5440d.rlib,libutils-edc0f9bd982d548e.rlib,libnum-9e43a091fc664158.rlib,libnum_rational-458ba066b6dbc3aa.rlib,libnum_iter-f87ae7588656fc4c.rlib,libnum_complex-cb1c45f907f19a3d.rlib,libnum_bigint-839a63cb15bcf4e4.rlib,libnum_integer-5a836eef9879a8c4.rlib,libnum_traits-537066adf32dc914.rlib,libcolored-1e342bd48df5e10e.rlib,liblazy_static-4b136fc9bfbd2c4b.rlib,libatty-922f7556668e7941.rlib,libfailure-35772e8d33ea8ab3.rlib,libbacktrace-2cf4335280d765a3.rlib,libbacktrace_sys-4848110dffaa4a00.rlib,liblibc-a5d945d27d142663.rlib,libcfg_if-2d17986ae484e939.rlib,librustc_demangle-dcc5b1758b30e405.rlib}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-musl/lib/{libstd-*,libpanic_unwind-*,libobject-*,libmemchr-*,libaddr2line-*,libgimli-*,librustc_demangle-*,libstd_detect-*,libhashbrown-*,librustc_std_workspace_alloc-*,libminiz_oxide-*,libadler2-*,libunwind-*}.rlib" "-lunwind" "<sysroot>/lib/rustlib/x86_64-unknown-linux-musl/lib/{libcfg_if-*,liblibc-*}.rlib" "-lc" "<sysroot>/lib/rustlib/x86_64-unknown-linux-musl/lib/{librustc_std_workspace_core-*,liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-L" "/tmp/rustcB5PYZ6/raw-dylibs" "-Wl,-Bdynamic" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-nostartfiles" "-L" "/opt/rustwide/target/x86_64-unknown-linux-musl/debug/build/backtrace-sys-df683699117b11db/out" "-L" "<sysroot>/lib/rustlib/x86_64-unknown-linux-musl/lib/self-contained" "-L" "<sysroot>/lib/rustlib/x86_64-unknown-linux-musl/lib" "-o" "/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/problems-9789b64a952d826b" "-Wl,--gc-sections" "-static-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs" "<sysroot>/lib/rustlib/x86_64-unknown-linux-musl/lib/self-contained/crtendS.o" "<sysroot>/lib/rustlib/x86_64-unknown-linux-musl/lib/self-contained/crtn.o"
[INFO] [stdout]   = note: some arguments are omitted. use `--verbose` to show all linker arguments
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/libgetrandom-2b855fd8c1f5440d.rlib(getrandom-2b855fd8c1f5440d.getrandom.d5b267184bc75945-cgu.0.rcgu.o): in function `getrandom::util_libc::open_readonly':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/getrandom-0.1.13/src/util_libc.rs:134:(.text._ZN9getrandom9util_libc13open_readonly17he7c85f3d7f4084b9E+0x79): undefined reference to `open64'
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout]   = note: some `extern` functions couldn't be found; some native libraries may need to be installed or have their path specified
[INFO] [stdout]   = note: use the `-l` flag to specify native libraries to link
[INFO] [stdout]   = note: use the `cargo:rustc-link-lib` directive to specify the native libraries to link with Cargo (see https://doc.rust-lang.org/cargo/reference/build-scripts.html#rustc-link-lib)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `problems` (bin "problems") due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "51ef0b9a15a29e9c125ead8a25336f9132058d1b0667e25b0fb13fb7299ff23c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51ef0b9a15a29e9c125ead8a25336f9132058d1b0667e25b0fb13fb7299ff23c", kill_on_drop: false }`
[INFO] [stdout] 51ef0b9a15a29e9c125ead8a25336f9132058d1b0667e25b0fb13fb7299ff23c