[INFO] cloning repository https://github.com/systemxlabs/green-threads-in-200-lines-of-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/systemxlabs/green-threads-in-200-lines-of-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsystemxlabs%2Fgreen-threads-in-200-lines-of-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsystemxlabs%2Fgreen-threads-in-200-lines-of-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b4e931320dd5b585c5a349133e75d8ad65fcb8d0
[INFO] checking systemxlabs/green-threads-in-200-lines-of-rust against try#e117153a45c546e883c1f91d82611775fcaeffe0 for pr-146470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsystemxlabs%2Fgreen-threads-in-200-lines-of-rust" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-0-tc2/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-0-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/systemxlabs/green-threads-in-200-lines-of-rust
[INFO] finished tweaking git repo https://github.com/systemxlabs/green-threads-in-200-lines-of-rust
[INFO] tweaked toml for git repo https://github.com/systemxlabs/green-threads-in-200-lines-of-rust written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/systemxlabs/green-threads-in-200-lines-of-rust on toolchain e117153a45c546e883c1f91d82611775fcaeffe0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e117153a45c546e883c1f91d82611775fcaeffe0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/systemxlabs/green-threads-in-200-lines-of-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" "+e117153a45c546e883c1f91d82611775fcaeffe0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+e117153a45c546e883c1f91d82611775fcaeffe0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 29c4d5a6b1cde02f65598f07a2d76b606dc8e592fdaa7647987a3449e5c48286
[INFO] running `Command { std: "docker" "start" "-a" "29c4d5a6b1cde02f65598f07a2d76b606dc8e592fdaa7647987a3449e5c48286", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "29c4d5a6b1cde02f65598f07a2d76b606dc8e592fdaa7647987a3449e5c48286", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29c4d5a6b1cde02f65598f07a2d76b606dc8e592fdaa7647987a3449e5c48286", kill_on_drop: false }`
[INFO] [stdout] 29c4d5a6b1cde02f65598f07a2d76b606dc8e592fdaa7647987a3449e5c48286
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+e117153a45c546e883c1f91d82611775fcaeffe0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cbfbf15997fbdc4b53f483fd356f294bb6e0cd8308852406598a5c7310368e7e
[INFO] running `Command { std: "docker" "start" "-a" "cbfbf15997fbdc4b53f483fd356f294bb6e0cd8308852406598a5c7310368e7e", kill_on_drop: false }`
[INFO] [stderr]     Checking green-threads-in-200-lines-of-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: unsafe attribute used without unsafe
[INFO] [stdout]    --> src/main.rs:204:3
[INFO] [stdout]     |
[INFO] [stdout] 204 | #[naked]
[INFO] [stdout]     |   ^^^^^ usage of unsafe attribute
[INFO] [stdout]     |
[INFO] [stdout] help: wrap the attribute in `unsafe(...)`
[INFO] [stdout]     |
[INFO] [stdout] 204 | #[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]  --> 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: unsafe attribute used without unsafe
[INFO] [stdout]    --> src/main.rs:204:3
[INFO] [stdout]     |
[INFO] [stdout] 204 | #[naked]
[INFO] [stdout]     |   ^^^^^ usage of unsafe attribute
[INFO] [stdout]     |
[INFO] [stdout] help: wrap the attribute in `unsafe(...)`
[INFO] [stdout]     |
[INFO] [stdout] 204 | #[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]  --> 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] [stderr] error: could not compile `green-threads-in-200-lines-of-rust` (bin "green-threads-in-200-lines-of-rust" test) due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `green-threads-in-200-lines-of-rust` (bin "green-threads-in-200-lines-of-rust") due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "cbfbf15997fbdc4b53f483fd356f294bb6e0cd8308852406598a5c7310368e7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbfbf15997fbdc4b53f483fd356f294bb6e0cd8308852406598a5c7310368e7e", kill_on_drop: false }`
[INFO] [stdout] cbfbf15997fbdc4b53f483fd356f294bb6e0cd8308852406598a5c7310368e7e