[INFO] fetching crate command_attr 0.5.4...
[INFO] testing command_attr-0.5.4 against 1.94.0 for beta-1.95-1
[INFO] extracting crate command_attr 0.5.4 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate command_attr 0.5.4
[INFO] finished tweaking crates.io crate command_attr 0.5.4
[INFO] tweaked toml for crates.io crate command_attr 0.5.4 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate command_attr 0.5.4 on toolchain 1.94.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.94.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate command_attr 0.5.4 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" "+1.94.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.94.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 274baff5af09d759ee7943c24a87c6faa80d49028dd2e4165a573a38ac7aa8bf
[INFO] running `Command { std: "docker" "start" "-a" "274baff5af09d759ee7943c24a87c6faa80d49028dd2e4165a573a38ac7aa8bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "274baff5af09d759ee7943c24a87c6faa80d49028dd2e4165a573a38ac7aa8bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "274baff5af09d759ee7943c24a87c6faa80d49028dd2e4165a573a38ac7aa8bf", kill_on_drop: false }`
[INFO] [stdout] 274baff5af09d759ee7943c24a87c6faa80d49028dd2e4165a573a38ac7aa8bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.94.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 638bc7d5bc4bc6f14d15228e789aade4fe88012275d462303dc2cc15168de52e
[INFO] running `Command { std: "docker" "start" "-a" "638bc7d5bc4bc6f14d15228e789aade4fe88012275d462303dc2cc15168de52e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling command_attr v0.5.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.03s
[INFO] running `Command { std: "docker" "inspect" "638bc7d5bc4bc6f14d15228e789aade4fe88012275d462303dc2cc15168de52e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "638bc7d5bc4bc6f14d15228e789aade4fe88012275d462303dc2cc15168de52e", kill_on_drop: false }`
[INFO] [stdout] 638bc7d5bc4bc6f14d15228e789aade4fe88012275d462303dc2cc15168de52e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.94.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9f48a6fcce33b20cdef91b4ae634dffe143e2fb42f88eab64b8ff10ba3ef471
[INFO] running `Command { std: "docker" "start" "-a" "f9f48a6fcce33b20cdef91b4ae634dffe143e2fb42f88eab64b8ff10ba3ef471", kill_on_drop: false }`
[INFO] [stderr]    Compiling command_attr v0.5.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `Command { std: "docker" "inspect" "f9f48a6fcce33b20cdef91b4ae634dffe143e2fb42f88eab64b8ff10ba3ef471", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9f48a6fcce33b20cdef91b4ae634dffe143e2fb42f88eab64b8ff10ba3ef471", kill_on_drop: false }`
[INFO] [stdout] f9f48a6fcce33b20cdef91b4ae634dffe143e2fb42f88eab64b8ff10ba3ef471
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.94.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ade4254b7488b7af702923363204172ebfbc394222563ea84f97cf8e4c68886a
[INFO] running `Command { std: "docker" "start" "-a" "ade4254b7488b7af702923363204172ebfbc394222563ea84f97cf8e4c68886a", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/command_attr-1e675e5e3928ee5f)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests command_attr
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs - command (line 91) ... ignored
[INFO] [stdout] test src/lib.rs - group (line 547) ... ignored
[INFO] [stdout] test src/lib.rs - hook (line 824) - compile ... ok
[INFO] [stdout] test src/lib.rs - hook (line 853) - compile ... ok
[INFO] [stdout] test src/lib.rs - hook (line 864) - compile ... ok
[INFO] [stdout] test src/lib.rs - hook (line 844) - compile ... FAILED
[INFO] [stdout] test src/lib.rs - hook (line 832) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - hook (line 844) stdout ----
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> src/lib.rs:844:1
[INFO] [stdout]     |
[INFO] [stdout] 844 | #![feature(async_closure)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]     |
[INFO] [stdout]     = help: the feature `async_closure` has been stable since `1.85.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `async_closure` has been stable since 1.85.0 and no longer requires an attribute to enable
[INFO] [stdout]    --> src/lib.rs:844:12
[INFO] [stdout]     |
[INFO] [stdout] 844 | #![feature(async_closure)]
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - hook (line 844)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 4 passed; 1 failed; 2 ignored; 0 measured; 0 filtered out; finished in 0.24s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "ade4254b7488b7af702923363204172ebfbc394222563ea84f97cf8e4c68886a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ade4254b7488b7af702923363204172ebfbc394222563ea84f97cf8e4c68886a", kill_on_drop: false }`
[INFO] [stdout] ade4254b7488b7af702923363204172ebfbc394222563ea84f97cf8e4c68886a
