[INFO] fetching crate mustang 0.14.4...
[INFO] checking mustang-0.14.4 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate mustang 0.14.4 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate mustang 0.14.4 on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mustang 0.14.4
[INFO] finished tweaking crates.io crate mustang 0.14.4
[INFO] tweaked toml for crates.io crate mustang 0.14.4 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate mustang 0.14.4 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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unwinding v0.2.0
[INFO] [stderr]   Downloaded rustix-openpty v0.1.1
[INFO] [stderr]   Downloaded printf-compat v0.1.1
[INFO] [stderr]   Downloaded tz-rs v0.6.14
[INFO] [stderr]   Downloaded atomic-dbg v0.1.8
[INFO] [stderr]   Downloaded rustix-dlmalloc v0.1.0
[INFO] [stderr]   Downloaded c-scape v0.15.9
[INFO] [stderr]   Downloaded realpath-ext v0.1.3
[INFO] [stderr]   Downloaded rustix-futex-sync v0.1.4
[INFO] [stderr]   Downloaded origin v0.13.14
[INFO] [stderr]   Downloaded sync-resolve v0.3.0
[INFO] [stderr]   Downloaded c-gull v0.15.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 362032141f167b2ddb414e280bec242fa5817d95991134b53ed4102a4e57f526
[INFO] running `Command { std: "docker" "start" "-a" "362032141f167b2ddb414e280bec242fa5817d95991134b53ed4102a4e57f526", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "362032141f167b2ddb414e280bec242fa5817d95991134b53ed4102a4e57f526", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "362032141f167b2ddb414e280bec242fa5817d95991134b53ed4102a4e57f526", kill_on_drop: false }`
[INFO] [stdout] 362032141f167b2ddb414e280bec242fa5817d95991134b53ed4102a4e57f526
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 25ea20ffecae184fddd7e80d40781c2e1bf59eca03b7ac8135628edafe934fd4
[INFO] running `Command { std: "docker" "start" "-a" "25ea20ffecae184fddd7e80d40781c2e1bf59eca03b7ac8135628edafe934fd4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling rustix v0.38.17
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]     Checking linux-raw-sys v0.4.8
[INFO] [stderr]     Checking unicode-segmentation v1.10.1
[INFO] [stderr]     Checking bitflags v2.4.0
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking home v0.5.5
[INFO] [stderr]     Checking mustang v0.14.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.37
[INFO] [stderr]     Checking similar v2.2.1
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking console v0.15.7
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]     Checking similar-asserts v1.5.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking which v4.4.2
[INFO] [stderr]    Compiling ctor v0.2.5
[INFO] [stdout] error[E0658]: use of unstable library feature 'core_io_borrowed_buf'
[INFO] [stdout]   --> tests/process.rs:13:15
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::io::{BorrowedBuf, ErrorKind};
[INFO] [stdout]    |               ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #117693 <https://github.com/rust-lang/rust/issues/117693> for more information
[INFO] [stdout]    = help: add `#![feature(core_io_borrowed_buf)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2024-03-14; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'core_io_borrowed_buf'
[INFO] [stdout]    --> tests/process.rs:167:19
[INFO] [stdout]     |
[INFO] [stdout] 167 |     let mut buf = BorrowedBuf::from(buf.as_mut_slice());
[INFO] [stdout]     |                   ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #117693 <https://github.com/rust-lang/rust/issues/117693> for more information
[INFO] [stdout]     = help: add `#![feature(core_io_borrowed_buf)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2024-03-14; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'core_io_borrowed_buf'
[INFO] [stdout]    --> tests/process.rs:168:25
[INFO] [stdout]     |
[INFO] [stdout] 168 |     stdout.read_buf(buf.unfilled()).unwrap();
[INFO] [stdout]     |                         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #117693 <https://github.com/rust-lang/rust/issues/117693> for more information
[INFO] [stdout]     = help: add `#![feature(core_io_borrowed_buf)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2024-03-14; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'core_io_borrowed_buf'
[INFO] [stdout]    --> tests/process.rs:172:24
[INFO] [stdout]     |
[INFO] [stdout] 172 |         assert_eq!(buf.filled(), b"abc\r\n");
[INFO] [stdout]     |                        ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #117693 <https://github.com/rust-lang/rust/issues/117693> for more information
[INFO] [stdout]     = help: add `#![feature(core_io_borrowed_buf)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2024-03-14; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'core_io_borrowed_buf'
[INFO] [stdout]    --> tests/process.rs:173:24
[INFO] [stdout]     |
[INFO] [stdout] 173 |         assert_eq!(buf.init_len(), 5);
[INFO] [stdout]     |                        ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #117693 <https://github.com/rust-lang/rust/issues/117693> for more information
[INFO] [stdout]     = help: add `#![feature(core_io_borrowed_buf)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2024-03-14; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'core_io_borrowed_buf'
[INFO] [stdout]    --> tests/process.rs:175:24
[INFO] [stdout]     |
[INFO] [stdout] 175 |         assert_eq!(buf.filled(), b"abc\n");
[INFO] [stdout]     |                        ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #117693 <https://github.com/rust-lang/rust/issues/117693> for more information
[INFO] [stdout]     = help: add `#![feature(core_io_borrowed_buf)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2024-03-14; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'core_io_borrowed_buf'
[INFO] [stdout]    --> tests/process.rs:176:24
[INFO] [stdout]     |
[INFO] [stdout] 176 |         assert_eq!(buf.init_len(), 4);
[INFO] [stdout]     |                        ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #117693 <https://github.com/rust-lang/rust/issues/117693> for more information
[INFO] [stdout]     = help: add `#![feature(core_io_borrowed_buf)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2024-03-14; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mustang` (test "process") due to 8 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "25ea20ffecae184fddd7e80d40781c2e1bf59eca03b7ac8135628edafe934fd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25ea20ffecae184fddd7e80d40781c2e1bf59eca03b7ac8135628edafe934fd4", kill_on_drop: false }`
[INFO] [stdout] 25ea20ffecae184fddd7e80d40781c2e1bf59eca03b7ac8135628edafe934fd4
