[INFO] cloning repository https://github.com/hanmertens/angstros
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hanmertens/angstros" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhanmertens%2Fangstros", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhanmertens%2Fangstros'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3bfd1a8afb3cebc7ac710600dee737ec38c7795d
[INFO] checking hanmertens/angstros against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhanmertens%2Fangstros" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hanmertens/angstros on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-14/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-14/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/hanmertens/angstros
[INFO] finished tweaking git repo https://github.com/hanmertens/angstros
[INFO] tweaked toml for git repo https://github.com/hanmertens/angstros written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/hanmertens/angstros already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2370ba850d1c093693fa9a2b11d7b8a3cf675956e4d5a619ed584a006cdc0953
[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" "2370ba850d1c093693fa9a2b11d7b8a3cf675956e4d5a619ed584a006cdc0953", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2370ba850d1c093693fa9a2b11d7b8a3cf675956e4d5a619ed584a006cdc0953", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2370ba850d1c093693fa9a2b11d7b8a3cf675956e4d5a619ed584a006cdc0953", kill_on_drop: false }`
[INFO] [stdout] 2370ba850d1c093693fa9a2b11d7b8a3cf675956e4d5a619ed584a006cdc0953
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] aa095180057ba75cfe184cef980f09cffc27e010ef96a69f2724fe59595f7a3e
[INFO] running `Command { std: "docker" "start" "-a" "aa095180057ba75cfe184cef980f09cffc27e010ef96a69f2724fe59595f7a3e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling x86_64 v0.14.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking volatile v0.4.4
[INFO] [stderr]     Checking bit_field v0.9.0
[INFO] [stderr]     Checking bit_field v0.10.1
[INFO] [stderr]     Checking zero v0.1.2
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]     Checking sys v0.1.0 (/opt/rustwide/workdir/user/sys)
[INFO] [stderr]     Checking spin v0.9.0
[INFO] [stderr]     Checking owo-colors v2.0.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]     Checking os_str_bytes v2.4.0
[INFO] [stderr]    Compiling xshell-macros v0.1.11
[INFO] [stderr]     Checking cpuio v0.3.0 (https://github.com/hanmertens/toyos-rs?branch=patch#660ec67f)
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking os v0.1.0 (/opt/rustwide/workdir/user/os)
[INFO] [stderr]     Checking xmas-elf v0.7.0
[INFO] [stderr]     Checking ucs2 v0.3.2
[INFO] [stderr]     Checking textwrap v0.12.1
[INFO] [stderr]     Checking pic8259_simple v0.2.0
[INFO] [stderr]     Checking dummy v0.1.0 (/opt/rustwide/workdir/user/dummy)
[INFO] [stdout] error: language item required, but not found: `eh_personality`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dummy`
[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] [stdout] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]   --> user/dummy/src/main.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn panic(_info: &PanicInfo) -> ! {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the lang item is first defined in crate `std` (which `test` depends on)
[INFO] [stdout]    = note: first definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/a5f164faad4a2fed606b8160fd7ecd2d5cbba381/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-c6dddd3d354e6bea.rlib
[INFO] [stdout]    = note: second definition in the local crate (`dummy`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "aa095180057ba75cfe184cef980f09cffc27e010ef96a69f2724fe59595f7a3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa095180057ba75cfe184cef980f09cffc27e010ef96a69f2724fe59595f7a3e", kill_on_drop: false }`
[INFO] [stdout] aa095180057ba75cfe184cef980f09cffc27e010ef96a69f2724fe59595f7a3e