[INFO] cloning repository https://github.com/EldarionDev/RustyGondor
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/EldarionDev/RustyGondor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEldarionDev%2FRustyGondor", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEldarionDev%2FRustyGondor'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cfe4cd0db47988be9582dde2d53bc0ad578de85f
[INFO] testing EldarionDev/RustyGondor against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEldarionDev%2FRustyGondor" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/EldarionDev/RustyGondor on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/EldarionDev/RustyGondor
[INFO] finished tweaking git repo https://github.com/EldarionDev/RustyGondor
[INFO] tweaked toml for git repo https://github.com/EldarionDev/RustyGondor written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/EldarionDev/RustyGondor already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: build
[INFO] [stderr] warning: unused manifest key: unstable
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7748102f7e35bac1ed2d6dd44969079fc232455bdc36136580ee413ff41b8a7b
[INFO] running `Command { std: "docker" "start" "-a" "7748102f7e35bac1ed2d6dd44969079fc232455bdc36136580ee413ff41b8a7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7748102f7e35bac1ed2d6dd44969079fc232455bdc36136580ee413ff41b8a7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7748102f7e35bac1ed2d6dd44969079fc232455bdc36136580ee413ff41b8a7b", kill_on_drop: false }`
[INFO] [stdout] 7748102f7e35bac1ed2d6dd44969079fc232455bdc36136580ee413ff41b8a7b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da1e0d0b001197885b4b55c24d0602de5ec687189d0ef8fa7ceb5ee290a82cbd
[INFO] running `Command { std: "docker" "start" "-a" "da1e0d0b001197885b4b55c24d0602de5ec687189d0ef8fa7ceb5ee290a82cbd", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: build
[INFO] [stderr] warning: unused manifest key: unstable
[INFO] [stderr]    Compiling gondor_os v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `Blue`
[INFO] [stdout]  --> src/vga/colors.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Blue    =   0x1,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Green`
[INFO] [stdout]  --> src/vga/colors.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Green   =   0x2,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Cyan`
[INFO] [stdout]  --> src/vga/colors.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Cyan    =   0x3,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Red`
[INFO] [stdout]  --> src/vga/colors.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Red     =   0x4,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Magenta`
[INFO] [stdout]  --> src/vga/colors.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Magenta =   0x5,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Brown`
[INFO] [stdout]   --> src/vga/colors.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Brown   =   0x6,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LightGrey`
[INFO] [stdout]   --> src/vga/colors.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     LightGrey   =   0x7,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `DarkGrey`
[INFO] [stdout]   --> src/vga/colors.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     DarkGrey    =   0x8,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LightBlue`
[INFO] [stdout]   --> src/vga/colors.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     LightBlue   =   0x9,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LightGreen`
[INFO] [stdout]   --> src/vga/colors.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     LightGreen  =   0xA,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LightCyan`
[INFO] [stdout]   --> src/vga/colors.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     LightCyan   =   0xB,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LightRed`
[INFO] [stdout]   --> src/vga/colors.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     LightRed    =   0xC,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LightMagenta`
[INFO] [stdout]   --> src/vga/colors.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     LightMagenta    =   0xD,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LightBrown`
[INFO] [stdout]   --> src/vga/colors.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     LightBrown  =   0xE,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_page`
[INFO] [stdout]   --> src/vga.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn new_page(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `fill`
[INFO] [stdout]   --> src/vga.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn fill(&mut self, color: colors::VGAColor) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-m64" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-Wl,--as-needed" "-L" "/opt/rustwide/rustup-home/toolchains/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/gondor_os-bb57210f5ff2b97d.gondor_os.9o7xmu5s-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/gondor_os-bb57210f5ff2b97d.gondor_os.9o7xmu5s-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/gondor_os-bb57210f5ff2b97d.gondor_os.9o7xmu5s-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/gondor_os-bb57210f5ff2b97d.gondor_os.9o7xmu5s-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/gondor_os-bb57210f5ff2b97d.gondor_os.9o7xmu5s-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/gondor_os-bb57210f5ff2b97d.gondor_os.9o7xmu5s-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/gondor_os-bb57210f5ff2b97d.gondor_os.9o7xmu5s-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/gondor_os-bb57210f5ff2b97d.gondor_os.9o7xmu5s-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/gondor_os-bb57210f5ff2b97d.gondor_os.9o7xmu5s-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/gondor_os-bb57210f5ff2b97d.gondor_os.9o7xmu5s-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/gondor_os-bb57210f5ff2b97d.gondor_os.9o7xmu5s-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/gondor_os-bb57210f5ff2b97d.gondor_os.9o7xmu5s-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/gondor_os-bb57210f5ff2b97d.gondor_os.9o7xmu5s-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/gondor_os-bb57210f5ff2b97d" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/rustup-home/toolchains/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-a1fd7734706d5518.rlib" "/opt/rustwide/rustup-home/toolchains/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-c8ded1707ad10767.rlib" "/opt/rustwide/rustup-home/toolchains/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-1eec8756baa5bc24.rlib" "-Wl,-Bdynamic"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/gondor_os-bb57210f5ff2b97d.gondor_os.9o7xmu5s-cgu.8.rcgu.o: in function `_start':
[INFO] [stdout]           /opt/rustwide/workdir/src/main.rs:9: multiple definition of `_start'; /usr/lib/gcc/x86_64-linux-gnu/9/../../../x86_64-linux-gnu/Scrt1.o:(.text+0x0): first defined here
[INFO] [stdout]           /usr/bin/ld: /usr/lib/gcc/x86_64-linux-gnu/9/../../../x86_64-linux-gnu/Scrt1.o: in function `_start':
[INFO] [stdout]           (.text+0x16): undefined reference to `__libc_csu_fini'
[INFO] [stdout]           /usr/bin/ld: (.text+0x1d): undefined reference to `__libc_csu_init'
[INFO] [stdout]           /usr/bin/ld: (.text+0x24): undefined reference to `main'
[INFO] [stdout]           /usr/bin/ld: (.text+0x2a): undefined reference to `__libc_start_main'
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `gondor_os`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "da1e0d0b001197885b4b55c24d0602de5ec687189d0ef8fa7ceb5ee290a82cbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da1e0d0b001197885b4b55c24d0602de5ec687189d0ef8fa7ceb5ee290a82cbd", kill_on_drop: false }`
[INFO] [stdout] da1e0d0b001197885b4b55c24d0602de5ec687189d0ef8fa7ceb5ee290a82cbd