[INFO] fetching crate pin-project 0.4.23...
[INFO] checking pin-project-0.4.23 against try#169954edd744527414c631e9af1bbdc537b0cdf2 for pr-75192
[INFO] extracting crate pin-project 0.4.23 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate pin-project 0.4.23 on toolchain 169954edd744527414c631e9af1bbdc537b0cdf2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+169954edd744527414c631e9af1bbdc537b0cdf2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pin-project 0.4.23
[INFO] finished tweaking crates.io crate pin-project 0.4.23
[INFO] tweaked toml for crates.io crate pin-project 0.4.23 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate pin-project 0.4.23 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+169954edd744527414c631e9af1bbdc537b0cdf2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+169954edd744527414c631e9af1bbdc537b0cdf2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6db501012fd8abefc002aef6335987004587f1dc8a97754ac4e4305b56c8e523
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6db501012fd8abefc002aef6335987004587f1dc8a97754ac4e4305b56c8e523", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6db501012fd8abefc002aef6335987004587f1dc8a97754ac4e4305b56c8e523", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6db501012fd8abefc002aef6335987004587f1dc8a97754ac4e4305b56c8e523", kill_on_drop: false }`
[INFO] [stdout] 6db501012fd8abefc002aef6335987004587f1dc8a97754ac4e4305b56c8e523
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+169954edd744527414c631e9af1bbdc537b0cdf2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d4eae1fa2ea74f214fd7c9fb895fd2d0b1f06f263781eb85c6de34bfc6910ae
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7d4eae1fa2ea74f214fd7c9fb895fd2d0b1f06f263781eb85c6de34bfc6910ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]     Checking pin-project v0.4.23 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `rustversion`
[INFO] [stdout]  --> tests/compiletest.rs:3:3
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[rustversion::attr(not(nightly), ignore)]
[INFO] [stdout]   |   ^^^^^^^^^^^ use of undeclared type or module `rustversion`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `trybuild`
[INFO] [stdout]  --> tests/compiletest.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let t = trybuild::TestCases::new();
[INFO] [stdout]   |             ^^^^^^^^ use of undeclared type or module `trybuild`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pin-project`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `rustversion`
[INFO] [stdout]   --> tests/project.rs:10:3
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[rustversion::since(1.43)]
[INFO] [stdout]    |   ^^^^^^^^^^^ use of undeclared type or module `rustversion`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `rustversion`
[INFO] [stdout]   --> tests/lint.rs:55:7
[INFO] [stdout]    |
[INFO] [stdout] 55 |     #[rustversion::attr(before(1.37), allow(single_use_lifetimes))] // https://github.com/rust-lang/rust/issues/53738
[INFO] [stdout]    |       ^^^^^^^^^^^ use of undeclared type or module `rustversion`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `rustversion`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `rustversion`
[INFO] [stdout]   --> tests/lint.rs:64:7
[INFO] [stdout]    |
[INFO] [stdout] 64 |     #[rustversion::attr(before(1.37), allow(single_use_lifetimes))] // https://github.com/rust-lang/rust/issues/53738
[INFO] [stdout]    |       ^^^^^^^^^^^ use of undeclared type or module `rustversion`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `rustversion`
[INFO] [stdout]   --> tests/lint.rs:69:7
[INFO] [stdout]    |
[INFO] [stdout] 69 |     #[rustversion::attr(before(1.37), allow(single_use_lifetimes))] // https://github.com/rust-lang/rust/issues/53738
[INFO] [stdout]    |       ^^^^^^^^^^^ use of undeclared type or module `rustversion`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `rustversion`
[INFO] [stdout]    --> tests/lint.rs:134:3
[INFO] [stdout]     |
[INFO] [stdout] 134 | #[rustversion::attr(not(nightly), ignore)]
[INFO] [stdout]     |   ^^^^^^^^^^^ use of undeclared type or module `rustversion`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `rustversion`
[INFO] [stdout]    --> tests/pin_project.rs:457:3
[INFO] [stdout]     |
[INFO] [stdout] 457 | #[rustversion::since(1.36)] // https://github.com/rust-lang/rust/pull/61207
[INFO] [stdout]     |   ^^^^^^^^^^^ use of undeclared type or module `rustversion`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7d4eae1fa2ea74f214fd7c9fb895fd2d0b1f06f263781eb85c6de34bfc6910ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d4eae1fa2ea74f214fd7c9fb895fd2d0b1f06f263781eb85c6de34bfc6910ae", kill_on_drop: false }`
[INFO] [stdout] 7d4eae1fa2ea74f214fd7c9fb895fd2d0b1f06f263781eb85c6de34bfc6910ae