[INFO] cloning repository https://github.com/CtrlZ233/rel4_comm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CtrlZ233/rel4_comm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCtrlZ233%2Frel4_comm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCtrlZ233%2Frel4_comm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 74acf0cc0cbb7daaa1af7c3a8e3bb70be092a20a
[INFO] checking CtrlZ233/rel4_comm against try#943e2200e35c3825486c4671b6cab0107a07f8c1 for pr-148952
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCtrlZ233%2Frel4_comm" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/CtrlZ233/rel4_comm
[INFO] finished tweaking git repo https://github.com/CtrlZ233/rel4_comm
[INFO] tweaked toml for git repo https://github.com/CtrlZ233/rel4_comm written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/CtrlZ233/rel4_comm on toolchain 943e2200e35c3825486c4671b6cab0107a07f8c1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+943e2200e35c3825486c4671b6cab0107a07f8c1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/CtrlZ233/rel4_comm already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+943e2200e35c3825486c4671b6cab0107a07f8c1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://gitee.com/rcore-os/riscv`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded riscv-target v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+943e2200e35c3825486c4671b6cab0107a07f8c1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 954e17ef4d8facffd5ef73c4f2627b545d38a5ed965a2a5c1b4a6bad4094eb4c
[INFO] running `Command { std: "docker" "start" "-a" "954e17ef4d8facffd5ef73c4f2627b545d38a5ed965a2a5c1b4a6bad4094eb4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "954e17ef4d8facffd5ef73c4f2627b545d38a5ed965a2a5c1b4a6bad4094eb4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "954e17ef4d8facffd5ef73c4f2627b545d38a5ed965a2a5c1b4a6bad4094eb4c", kill_on_drop: false }`
[INFO] [stdout] 954e17ef4d8facffd5ef73c4f2627b545d38a5ed965a2a5c1b4a6bad4094eb4c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+943e2200e35c3825486c4671b6cab0107a07f8c1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fedf223a04e2c0ed3a0f48b1f8d743877da8d27d942e847556c5d6a3b77ffaee
[INFO] running `Command { std: "docker" "start" "-a" "fedf223a04e2c0ed3a0f48b1f8d743877da8d27d942e847556c5d6a3b77ffaee", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.6.3
[INFO] [stderr]    Compiling regex-syntax v0.7.5
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling aho-corasick v1.0.5
[INFO] [stderr]    Compiling regex-automata v0.3.8
[INFO] [stderr]    Compiling regex v1.9.5
[INFO] [stderr]    Compiling riscv-target v0.1.2
[INFO] [stderr]    Compiling riscv v0.6.0 (https://gitee.com/rcore-os/riscv#11d43cf7)
[INFO] [stderr]     Checking common v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `#[inline]` is ignored on externally exported functions
[INFO] [stdout]    --> src/utils.rs:131:1
[INFO] [stdout]     |
[INFO] [stdout] 131 | #[inline]
[INFO] [stdout]     | ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: externally exported functions are functions with `#[no_mangle]`, `#[export_name]`, or `#[linkage]`
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `repr(C)` enum discriminant does not fit into C `int` nor into C `unsigned int`
[INFO] [stdout]   --> src/structures.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     padding = isize::MAX - 1,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #124403 <https://github.com/rust-lang/rust/issues/124403>
[INFO] [stdout]    = note: `repr(C)` enums with big discriminants are non-portable, and their size in Rust might not match their size in C
[INFO] [stdout]    = help: use `repr($int_ty)` instead to explicitly set the size of this enum
[INFO] [stdout]    = note: `#[warn(repr_c_enums_larger_than_int)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[inline]` is ignored on externally exported functions
[INFO] [stdout]    --> src/utils.rs:131:1
[INFO] [stdout]     |
[INFO] [stdout] 131 | #[inline]
[INFO] [stdout]     | ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: externally exported functions are functions with `#[no_mangle]`, `#[export_name]`, or `#[linkage]`
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `repr(C)` enum discriminant does not fit into C `int` nor into C `unsigned int`
[INFO] [stdout]   --> src/structures.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     padding = isize::MAX - 1,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #124403 <https://github.com/rust-lang/rust/issues/124403>
[INFO] [stdout]    = note: `repr(C)` enums with big discriminants are non-portable, and their size in Rust might not match their size in C
[INFO] [stdout]    = help: use `repr($int_ty)` instead to explicitly set the size of this enum
[INFO] [stdout]    = note: `#[warn(repr_c_enums_larger_than_int)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.03s
[INFO] running `Command { std: "docker" "inspect" "fedf223a04e2c0ed3a0f48b1f8d743877da8d27d942e847556c5d6a3b77ffaee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fedf223a04e2c0ed3a0f48b1f8d743877da8d27d942e847556c5d6a3b77ffaee", kill_on_drop: false }`
[INFO] [stdout] fedf223a04e2c0ed3a0f48b1f8d743877da8d27d942e847556c5d6a3b77ffaee