[INFO] cloning repository https://github.com/rocurley/rectangle
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rocurley/rectangle" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frocurley%2Frectangle", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frocurley%2Frectangle'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e9b0dee46603bc5f78c33625f0d36faab8687bba
[INFO] testing rocurley/rectangle against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frocurley%2Frectangle" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rocurley/rectangle on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rocurley/rectangle
[INFO] finished tweaking git repo https://github.com/rocurley/rectangle
[INFO] tweaked toml for git repo https://github.com/rocurley/rectangle written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/rocurley/rectangle already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] f41dcc3d3460e9293915c745ca9c8bbd1c0fe94b0f14e08d3caf5d4c4de3af56
[INFO] running `Command { std: "docker" "start" "-a" "f41dcc3d3460e9293915c745ca9c8bbd1c0fe94b0f14e08d3caf5d4c4de3af56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f41dcc3d3460e9293915c745ca9c8bbd1c0fe94b0f14e08d3caf5d4c4de3af56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f41dcc3d3460e9293915c745ca9c8bbd1c0fe94b0f14e08d3caf5d4c4de3af56", kill_on_drop: false }`
[INFO] [stdout] f41dcc3d3460e9293915c745ca9c8bbd1c0fe94b0f14e08d3caf5d4c4de3af56
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5a0a79068d0502d7181aa92b904d99c873ed5a0606474b0d9f02911a3f7563be
[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" "5a0a79068d0502d7181aa92b904d99c873ed5a0606474b0d9f02911a3f7563be", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling gcc v0.3.53
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling backtrace v0.2.3
[INFO] [stderr]    Compiling rustc-demangle v0.1.5
[INFO] [stderr]    Compiling cfg-if v0.1.2
[INFO] [stderr]    Compiling matrixmultiply v0.1.13
[INFO] [stderr]    Compiling unicode-width v0.1.4
[INFO] [stderr]    Compiling num-traits v0.1.40
[INFO] [stderr]    Compiling rawpointer v0.1.0
[INFO] [stderr]    Compiling ndarray v0.10.5
[INFO] [stderr]    Compiling either v1.1.0
[INFO] [stderr]    Compiling vec_map v0.8.0
[INFO] [stderr]    Compiling lazy_static v0.2.8
[INFO] [stderr]    Compiling typed-arena v1.3.0
[INFO] [stderr]    Compiling ascii v0.8.6
[INFO] [stderr]    Compiling fnv v1.0.5
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling itertools v0.6.2
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling num-complex v0.1.40
[INFO] [stderr]    Compiling backtrace-sys v0.1.12
[INFO] [stderr]    Compiling time v0.1.38
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling pbr v1.0.0
[INFO] [stderr]    Compiling error-chain v0.5.0
[INFO] [stderr]    Compiling cpuprofiler v0.0.3
[INFO] [stderr]    Compiling rectangle v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning[E0170]: pattern binding `c` is named the same as one of the variants of the type `AsciiChar`
[INFO] [stdout]    --> src/lib.rs:226:19
[INFO] [stdout]     |
[INFO] [stdout] 226 |                 |&c, mut perp_slot, (perp_match, prehash)| {
[INFO] [stdout]     |                   ^ help: to match on the variant, qualify the path: `AsciiChar::c`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bindings_with_variant_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0170]: pattern binding `c` is named the same as one of the variants of the type `AsciiChar`
[INFO] [stdout]    --> src/lib.rs:261:37
[INFO] [stdout]     |
[INFO] [stdout] 261 |             .map(|c| c.map_or('.', |c| c.as_char()))
[INFO] [stdout]     |                                     ^ help: to match on the variant, qualify the path: `AsciiChar::c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0170]: pattern binding `c` is named the same as one of the variants of the type `AsciiChar`
[INFO] [stdout]    --> src/lib.rs:386:24
[INFO] [stdout]     |
[INFO] [stdout] 386 |             for (pos, &c) in word.iter().enumerate() {
[INFO] [stdout]     |                        ^ help: to match on the variant, qualify the path: `AsciiChar::c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0170]: pattern binding `c` is named the same as one of the variants of the type `AsciiChar`
[INFO] [stdout]    --> src/lib.rs:394:20
[INFO] [stdout]     |
[INFO] [stdout] 394 |         for ((pos, c), matches) in index.into_iter() {
[INFO] [stdout]     |                    ^ help: to match on the variant, qualify the path: `AsciiChar::c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0170`.
[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/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/rectangle-cc47f14ae92052d4.rectangle.96alzukn-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/rectangle-cc47f14ae92052d4.rectangle.96alzukn-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/rectangle-cc47f14ae92052d4.rectangle.96alzukn-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/rectangle-cc47f14ae92052d4.rectangle.96alzukn-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/rectangle-cc47f14ae92052d4.rectangle.96alzukn-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/rectangle-cc47f14ae92052d4.rectangle.96alzukn-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/rectangle-cc47f14ae92052d4.rectangle.96alzukn-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/rectangle-cc47f14ae92052d4.rectangle.96alzukn-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/rectangle-cc47f14ae92052d4.rectangle.96alzukn-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/rectangle-cc47f14ae92052d4.rectangle.96alzukn-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/rectangle-cc47f14ae92052d4.rectangle.96alzukn-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/rectangle-cc47f14ae92052d4.rectangle.96alzukn-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/rectangle-cc47f14ae92052d4.rectangle.96alzukn-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/rectangle-cc47f14ae92052d4.rectangle.96alzukn-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/rectangle-cc47f14ae92052d4.rectangle.96alzukn-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/rectangle-cc47f14ae92052d4.rectangle.96alzukn-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/rectangle-cc47f14ae92052d4" "/opt/rustwide/target/debug/deps/rectangle-cc47f14ae92052d4.3z2xn2e8lgbhd51p.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/target/debug/build/backtrace-sys-d1771aeeaf60728c/out/.libs" "-L" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/librectangle-09cac28288226180.rlib" "/opt/rustwide/target/debug/deps/libfnv-cc3eb537a6fb5d65.rlib" "/opt/rustwide/target/debug/deps/libpbr-73b15ff939c7bae3.rlib" "/opt/rustwide/target/debug/deps/libtime-ddb5dd610391eeca.rlib" "/opt/rustwide/target/debug/deps/libclap-3f9cfea8213b6b03.rlib" "/opt/rustwide/target/debug/deps/libvec_map-9dd5ef6849339e6d.rlib" "/opt/rustwide/target/debug/deps/libtextwrap-20b84ded2d8ebecb.rlib" "/opt/rustwide/target/debug/deps/libunicode_width-4dd2557e3fc1d326.rlib" "/opt/rustwide/target/debug/deps/libstrsim-8b805b0832095d99.rlib" "/opt/rustwide/target/debug/deps/libbitflags-de31228f2c0549ed.rlib" "/opt/rustwide/target/debug/deps/libatty-2c006e7db68fded4.rlib" "/opt/rustwide/target/debug/deps/libansi_term-017778a055950e81.rlib" "/opt/rustwide/target/debug/deps/libtyped_arena-f4816258649c178a.rlib" "/opt/rustwide/target/debug/deps/libcpuprofiler-a7e827fb0ef054ac.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-6cd99bbe299abb0c.rlib" "/opt/rustwide/target/debug/deps/liberror_chain-69e88e454c3f2447.rlib" "/opt/rustwide/target/debug/deps/libbacktrace-749b7c954125ba5f.rlib" "/opt/rustwide/target/debug/deps/libbacktrace_sys-e68d9cab57efc2c7.rlib" "/opt/rustwide/target/debug/deps/librustc_demangle-0e473ac89e0df59a.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-eb5ecedec54aa001.rlib" "/opt/rustwide/target/debug/deps/libdbghelp-f8300490526c9a2c.rlib" "/opt/rustwide/target/debug/deps/libwinapi-4302359dfd2c100e.rlib" "/opt/rustwide/target/debug/deps/libkernel32-931d226f257ec229.rlib" "/opt/rustwide/target/debug/deps/liblibc-0f3e6c6e62d4b7c7.rlib" "/opt/rustwide/target/debug/deps/libndarray-18d8c3e0acbef83c.rlib" "/opt/rustwide/target/debug/deps/libnum_complex-09e0591793dd5b4a.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-d93c661d36042233.rlib" "/opt/rustwide/target/debug/deps/libitertools-9da339a65e9112d9.rlib" "/opt/rustwide/target/debug/deps/libeither-6ae9f67ee6abdaa6.rlib" "/opt/rustwide/target/debug/deps/libmatrixmultiply-1b08565fbf5c2a7f.rlib" "/opt/rustwide/target/debug/deps/librawpointer-647b381188995d1f.rlib" "/opt/rustwide/target/debug/deps/libascii-07e27d681d6bcd96.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-e12de7683a34c500.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-446a53c2e468675f.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-86fef9fb252a2d33.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-3bed9bfd30304751.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-0e38eeb474a7b386.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-a846ed547b824740.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-c9540f0a4fb9265d.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-7d2ca66c92c356eb.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-147e2c808f949493.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-bd2a4369506670e9.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-74bfdd0ce7d0ed48.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-6777f47f1c491841.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-b104f1790174f2be.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-db37898996f45c13.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-25b7435131fc4938.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-9d4b6f3c097e876e.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-3f953ad652ab829a.rlib" "-Wl,-Bdynamic" "-lprofiler" "-lutil" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc"
[INFO] [stdout]   = note: /usr/bin/ld: cannot find -lprofiler
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rectangle`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "5a0a79068d0502d7181aa92b904d99c873ed5a0606474b0d9f02911a3f7563be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a0a79068d0502d7181aa92b904d99c873ed5a0606474b0d9f02911a3f7563be", kill_on_drop: false }`
[INFO] [stdout] 5a0a79068d0502d7181aa92b904d99c873ed5a0606474b0d9f02911a3f7563be