[INFO] cloning repository https://github.com/zzsqwq/rust_rcore
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zzsqwq/rust_rcore" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzzsqwq%2Frust_rcore", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzzsqwq%2Frust_rcore'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5f79b4577041e5fd9b7fefd66faa635fbeb9089b
[INFO] checking zzsqwq/rust_rcore against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzzsqwq%2Frust_rcore" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zzsqwq/rust_rcore on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4/source/.cargo/config
[INFO] started tweaking git repo https://github.com/zzsqwq/rust_rcore
[INFO] finished tweaking git repo https://github.com/zzsqwq/rust_rcore
[INFO] tweaked toml for git repo https://github.com/zzsqwq/rust_rcore written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/zzsqwq/rust_rcore already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ab0d91f1b17094ab32666862190663d6e76957f0ac9335fccd6cb22a332b84f2
[INFO] running `Command { std: "docker" "start" "-a" "ab0d91f1b17094ab32666862190663d6e76957f0ac9335fccd6cb22a332b84f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab0d91f1b17094ab32666862190663d6e76957f0ac9335fccd6cb22a332b84f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab0d91f1b17094ab32666862190663d6e76957f0ac9335fccd6cb22a332b84f2", kill_on_drop: false }`
[INFO] [stdout] ab0d91f1b17094ab32666862190663d6e76957f0ac9335fccd6cb22a332b84f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6064e7e8a2ea10950ec73c10c5d4c2c6ea738283bd883d4c3c3c7fd392f0600f
[INFO] running `Command { std: "docker" "start" "-a" "6064e7e8a2ea10950ec73c10c5d4c2c6ea738283bd883d4c3c3c7fd392f0600f", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking bit_field v0.10.1
[INFO] [stderr]    Compiling thread_local v1.1.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling regex v1.4.3
[INFO] [stderr]    Compiling riscv-target v0.1.2
[INFO] [stderr]    Compiling riscv v0.6.0 (https://github.com/rcore-os/riscv#21e32ee1)
[INFO] [stderr]     Checking os v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `sie`
[INFO] [stdout]  --> src/interrupt/handler.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     sie, stvec,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `scause::Scause`
[INFO] [stdout]  --> src/interrupt/context.rs:1:41
[INFO] [stdout]   |
[INFO] [stdout] 1 | use riscv::register::{sstatus::Sstatus, scause::Scause};
[INFO] [stdout]   |                                         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sie`
[INFO] [stdout]  --> src/interrupt/handler.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     sie, stvec,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `scause::Scause`
[INFO] [stdout]  --> src/interrupt/context.rs:1:41
[INFO] [stdout]   |
[INFO] [stdout] 1 | use riscv::register::{sstatus::Sstatus, scause::Scause};
[INFO] [stdout]   |                                         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]   --> src/panic.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn panic_handler(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/dfd7b8d03fb93d0e03147d28b3be6d93260fa94d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-37fdd654777c296f.rlib
[INFO] [stdout]    = note: second definition in the local crate (`os`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `os`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "6064e7e8a2ea10950ec73c10c5d4c2c6ea738283bd883d4c3c3c7fd392f0600f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6064e7e8a2ea10950ec73c10c5d4c2c6ea738283bd883d4c3c3c7fd392f0600f", kill_on_drop: false }`
[INFO] [stdout] 6064e7e8a2ea10950ec73c10c5d4c2c6ea738283bd883d4c3c3c7fd392f0600f