[INFO] cloning repository https://github.com/zack37/async-programming-in-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zack37/async-programming-in-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzack37%2Fasync-programming-in-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzack37%2Fasync-programming-in-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 860c0f2ef948dbbdcd0c04ac4cc6a260e248ce3c
[INFO] testing zack37/async-programming-in-rust against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzack37%2Fasync-programming-in-rust" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/zack37/async-programming-in-rust
[INFO] finished tweaking git repo https://github.com/zack37/async-programming-in-rust
[INFO] tweaked toml for git repo https://github.com/zack37/async-programming-in-rust written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/zack37/async-programming-in-rust on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/zack37/async-programming-in-rust 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d84cdb227338fde7bffbe7b98b89696bc60371da792551cbea9b11f30aa020c1
[INFO] running `Command { std: "docker" "start" "-a" "d84cdb227338fde7bffbe7b98b89696bc60371da792551cbea9b11f30aa020c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d84cdb227338fde7bffbe7b98b89696bc60371da792551cbea9b11f30aa020c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d84cdb227338fde7bffbe7b98b89696bc60371da792551cbea9b11f30aa020c1", kill_on_drop: false }`
[INFO] [stdout] d84cdb227338fde7bffbe7b98b89696bc60371da792551cbea9b11f30aa020c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 269daab00d217dcfdb71a7eb0f7a471916738079a9de804cd94daba307a14d55
[INFO] running `Command { std: "docker" "start" "-a" "269daab00d217dcfdb71a7eb0f7a471916738079a9de804cd94daba307a14d55", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling bytes v1.7.2
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling alloc-no-stdlib v2.0.4
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling local-waker v0.1.4
[INFO] [stderr]    Compiling futures-task v0.3.30
[INFO] [stderr]    Compiling zstd-safe v7.2.1
[INFO] [stderr]    Compiling tinyvec v1.8.0
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling alloc-stdlib v0.2.2
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling regex-lite v0.1.6
[INFO] [stderr]    Compiling httparse v1.9.4
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]    Compiling regex-syntax v0.8.4
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling time-macros v0.2.18
[INFO] [stderr]    Compiling http v0.2.12
[INFO] [stderr]    Compiling bytestring v1.3.1
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling miniz_oxide v0.8.0
[INFO] [stderr]    Compiling brotli-decompressor v4.0.1
[INFO] [stderr]    Compiling deranged v0.3.11
[INFO] [stderr]    Compiling actix-utils v3.0.1
[INFO] [stderr]    Compiling actix-service v2.0.2
[INFO] [stderr]    Compiling cookie v0.16.2
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]    Compiling mio v1.0.2
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling jobserver v0.1.32
[INFO] [stderr]    Compiling socket2 v0.5.7
[INFO] [stderr]    Compiling cc v1.1.21
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling indexmap v2.5.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.24
[INFO] [stderr]    Compiling tokio v1.40.0
[INFO] [stderr]    Compiling serde_json v1.0.128
[INFO] [stderr]    Compiling cpufeatures v0.2.14
[INFO] [stderr]    Compiling unicode-bidi v0.3.15
[INFO] [stderr]    Compiling bitflags v2.6.0
[INFO] [stderr]    Compiling ryu v1.0.18
[INFO] [stderr]    Compiling sha1 v0.10.6
[INFO] [stderr]    Compiling flate2 v1.0.33
[INFO] [stderr]    Compiling brotli v6.0.0
[INFO] [stderr]    Compiling time v0.3.36
[INFO] [stderr]    Compiling local-channel v0.1.5
[INFO] [stderr]    Compiling encoding_rs v0.8.34
[INFO] [stderr]    Compiling language-tags v0.3.2
[INFO] [stderr]    Compiling impl-more v0.1.6
[INFO] [stderr]    Compiling a_epoll v0.1.0 (/opt/rustwide/workdir/chapters/chapter-04/a-epoll)
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> chapters/chapter-04/a-epoll/src/poll.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 |     io::{self, Result},
[INFO] [stdout]   |          ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling regex-automata v0.4.7
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> chapters/chapter-04/a-epoll/src/main.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 |     io::{self, Read, Result, Write},
[INFO] [stdout]   |          ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling idna v0.5.0
[INFO] [stderr]    Compiling b-epoll-mio v0.1.0 (/opt/rustwide/workdir/chapters/chapter-04/b-epoll-mio)
[INFO] [stderr]    Compiling chapter-03 v0.1.0 (/opt/rustwide/workdir/chapters/chapter-03)
[INFO] [stderr]    Compiling a-stack-swap v0.1.0 (/opt/rustwide/workdir/chapters/chapter-05/a-stack-swap)
[INFO] [stderr]    Compiling c-fibers v0.1.0 (/opt/rustwide/workdir/chapters/chapter-05/c-fibers)
[INFO] [stderr]    Compiling url v2.5.2
[INFO] [stdout] error: unsafe attribute used without unsafe
[INFO] [stdout]    --> chapters/chapter-05/c-fibers/src/main.rs:103:3
[INFO] [stdout]     |
[INFO] [stdout] 103 | #[naked]
[INFO] [stdout]     |   ^^^^^ usage of unsafe attribute
[INFO] [stdout]     |
[INFO] [stdout] help: wrap the attribute in `unsafe(...)`
[INFO] [stdout]     |
[INFO] [stdout] 103 | #[unsafe(naked)]
[INFO] [stdout]     |   +++++++     +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unsafe attribute used without unsafe
[INFO] [stdout]    --> chapters/chapter-05/c-fibers/src/main.rs:115:3
[INFO] [stdout]     |
[INFO] [stdout] 115 | #[naked]
[INFO] [stdout]     |   ^^^^^ usage of unsafe attribute
[INFO] [stdout]     |
[INFO] [stdout] help: wrap the attribute in `unsafe(...)`
[INFO] [stdout]     |
[INFO] [stdout] 115 | #[unsafe(naked)]
[INFO] [stdout]     |   +++++++     +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `naked_functions` has been stable since 1.88.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> chapters/chapter-05/c-fibers/src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(naked_functions)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0787]: the `asm!` macro is not allowed in naked functions
[INFO] [stdout]    --> chapters/chapter-05/c-fibers/src/main.rs:105:5
[INFO] [stdout]     |
[INFO] [stdout] 105 |     asm!("ret", options(noreturn))
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ consider using the `naked_asm!` macro instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0787]: the `asm!` macro is not allowed in naked functions
[INFO] [stdout]    --> chapters/chapter-05/c-fibers/src/main.rs:117:5
[INFO] [stdout]     |
[INFO] [stdout] 117 | /     asm!(
[INFO] [stdout] 118 | |         "mov [rdi + 0x00], rsp",
[INFO] [stdout] 119 | |         "mov [rdi + 0x08], r15",
[INFO] [stdout] 120 | |         "mov [rdi + 0x10], r14",
[INFO] [stdout] ...   |
[INFO] [stdout] 133 | |         options(noreturn)
[INFO] [stdout] 134 | |     );
[INFO] [stdout]     | |_____^ consider using the `naked_asm!` macro instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0787`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `c-fibers` (bin "c-fibers") due to 4 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "269daab00d217dcfdb71a7eb0f7a471916738079a9de804cd94daba307a14d55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "269daab00d217dcfdb71a7eb0f7a471916738079a9de804cd94daba307a14d55", kill_on_drop: false }`
[INFO] [stdout] 269daab00d217dcfdb71a7eb0f7a471916738079a9de804cd94daba307a14d55