[INFO] cloning repository https://github.com/yuvrajchowdary/adrenaline-os
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yuvrajchowdary/adrenaline-os" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuvrajchowdary%2Fadrenaline-os"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuvrajchowdary%2Fadrenaline-os'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 33088f1034f2cab3f35691e0d457c1c96a5deddc
[INFO] checking yuvrajchowdary/adrenaline-os against try#8a749131e7beb72f6edacefd2bdcbed3d67b2112 for pr-72331
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuvrajchowdary%2Fadrenaline-os" "/workspace/builds/worker-9/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
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[INFO] validating manifest of git repo https://github.com/yuvrajchowdary/adrenaline-os on toolchain 8a749131e7beb72f6edacefd2bdcbed3d67b2112
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/yuvrajchowdary/adrenaline-os
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/yuvrajchowdary/adrenaline-os
[INFO] tweaked toml for git repo https://github.com/yuvrajchowdary/adrenaline-os written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/yuvrajchowdary/adrenaline-os already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c8e919bddeba234b868d075d86721ed9435f4804f31d54deeca8dbb8c1c9bd5c
[INFO] running `"docker" "start" "-a" "c8e919bddeba234b868d075d86721ed9435f4804f31d54deeca8dbb8c1c9bd5c"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling x86_64 v0.9.6
[INFO] [stderr]     Checking bit_field v0.9.0
[INFO] [stderr]    Compiling bootloader v0.8.9
[INFO] [stderr]     Checking cpuio v0.2.0
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking pc-keyboard v0.5.0
[INFO] [stderr]     Checking volatile v0.2.6
[INFO] [stderr]     Checking pic8259_simple v0.1.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking uart_16550 v0.2.4
[INFO] [stderr]     Checking adrenaline v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: language item required, but not found: `eh_personality`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `adrenaline`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: unused variable: `col`
[INFO] [stderr]   --> src/vga_buffer.rs:89:13
[INFO] [stderr]    |
[INFO] [stderr] 89 |         let mut col = self.col;
[INFO] [stderr]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/vga_buffer.rs:89:13
[INFO] [stderr]    |
[INFO] [stderr] 89 |         let mut col = self.col;
[INFO] [stderr]    |             ----^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "c8e919bddeba234b868d075d86721ed9435f4804f31d54deeca8dbb8c1c9bd5c"`
[INFO] running `"docker" "rm" "-f" "c8e919bddeba234b868d075d86721ed9435f4804f31d54deeca8dbb8c1c9bd5c"`
[INFO] [stdout] c8e919bddeba234b868d075d86721ed9435f4804f31d54deeca8dbb8c1c9bd5c