[INFO] fetching crate pin-project 1.0.0-alpha.1...
[INFO] checking pin-project-1.0.0-alpha.1 against master#893fadd11a52aa26fc19c67ee1b79f03d6a1bed3 for pr-77153
[INFO] extracting crate pin-project 1.0.0-alpha.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate pin-project 1.0.0-alpha.1 on toolchain 893fadd11a52aa26fc19c67ee1b79f03d6a1bed3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+893fadd11a52aa26fc19c67ee1b79f03d6a1bed3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pin-project 1.0.0-alpha.1
[INFO] finished tweaking crates.io crate pin-project 1.0.0-alpha.1
[INFO] tweaked toml for crates.io crate pin-project 1.0.0-alpha.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate pin-project 1.0.0-alpha.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+893fadd11a52aa26fc19c67ee1b79f03d6a1bed3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+893fadd11a52aa26fc19c67ee1b79f03d6a1bed3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6b0cdcb9053478e0aec66e8e0a4d6fd08b18fbf99602ca9d7d1fe2669ad7d922
[INFO] running `Command { std: "docker" "start" "-a" "6b0cdcb9053478e0aec66e8e0a4d6fd08b18fbf99602ca9d7d1fe2669ad7d922", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b0cdcb9053478e0aec66e8e0a4d6fd08b18fbf99602ca9d7d1fe2669ad7d922", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b0cdcb9053478e0aec66e8e0a4d6fd08b18fbf99602ca9d7d1fe2669ad7d922", kill_on_drop: false }`
[INFO] [stdout] 6b0cdcb9053478e0aec66e8e0a4d6fd08b18fbf99602ca9d7d1fe2669ad7d922
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+893fadd11a52aa26fc19c67ee1b79f03d6a1bed3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 322e50ffc121534df6cbf28a5874f37377f9df5e44ad1f162b4a77984056776b
[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" "322e50ffc121534df6cbf28a5874f37377f9df5e44ad1f162b4a77984056776b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]    Compiling pin-project-internal v1.0.0-alpha.1
[INFO] [stderr]     Checking pin-project v1.0.0-alpha.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate 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 crate or module `rustversion`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate 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 crate 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 crate or module `rustversion`
[INFO] [stdout]    --> tests/pinned_drop.rs:143:3
[INFO] [stdout]     |
[INFO] [stdout] 143 | #[rustversion::since(1.37)] // type_alias_enum_variants requires Rust 1.37
[INFO] [stdout]     |   ^^^^^^^^^^^ use of undeclared crate or module `rustversion`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `rustversion`
[INFO] [stdout]    --> tests/pinned_drop.rs:171:3
[INFO] [stdout]     |
[INFO] [stdout] 171 | #[rustversion::since(1.40)] // https://github.com/rust-lang/rust/pull/64690
[INFO] [stdout]     |   ^^^^^^^^^^^ use of undeclared crate or module `rustversion`
[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] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `rustversion`
[INFO] [stdout]   --> tests/lint.rs:91:7
[INFO] [stdout]    |
[INFO] [stdout] 91 |     #[rustversion::attr(before(1.37), allow(single_use_lifetimes))] // https://github.com/rust-lang/rust/issues/53738
[INFO] [stdout]    |       ^^^^^^^^^^^ use of undeclared crate or module `rustversion`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `rustversion`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `rustversion`
[INFO] [stdout]    --> tests/lint.rs:105:7
[INFO] [stdout]     |
[INFO] [stdout] 105 |     #[rustversion::attr(before(1.37), allow(single_use_lifetimes))] // https://github.com/rust-lang/rust/issues/53738
[INFO] [stdout]     |       ^^^^^^^^^^^ use of undeclared crate or module `rustversion`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `rustversion`
[INFO] [stdout]    --> tests/lint.rs:114:7
[INFO] [stdout]     |
[INFO] [stdout] 114 |     #[rustversion::attr(before(1.37), allow(single_use_lifetimes))] // https://github.com/rust-lang/rust/issues/53738
[INFO] [stdout]     |       ^^^^^^^^^^^ use of undeclared crate or module `rustversion`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `rustversion`
[INFO] [stdout]    --> tests/lint.rs:178:7
[INFO] [stdout]     |
[INFO] [stdout] 178 |     #[rustversion::attr(before(1.37), allow(single_use_lifetimes))] // https://github.com/rust-lang/rust/issues/53738
[INFO] [stdout]     |       ^^^^^^^^^^^ use of undeclared crate or module `rustversion`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `rustversion`
[INFO] [stdout]    --> tests/lint.rs:187:7
[INFO] [stdout]     |
[INFO] [stdout] 187 |     #[rustversion::attr(before(1.37), allow(single_use_lifetimes))] // https://github.com/rust-lang/rust/issues/53738
[INFO] [stdout]     |       ^^^^^^^^^^^ use of undeclared crate or module `rustversion`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `rustversion`
[INFO] [stdout]    --> tests/lint.rs:192:7
[INFO] [stdout]     |
[INFO] [stdout] 192 |     #[rustversion::attr(before(1.37), allow(single_use_lifetimes))] // https://github.com/rust-lang/rust/issues/53738
[INFO] [stdout]     |       ^^^^^^^^^^^ use of undeclared crate or module `rustversion`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `rustversion`
[INFO] [stdout]    --> tests/lint.rs:278:3
[INFO] [stdout]     |
[INFO] [stdout] 278 | #[rustversion::attr(not(nightly), ignore)]
[INFO] [stdout]     |   ^^^^^^^^^^^ use of undeclared crate or module `rustversion`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `rustversion`
[INFO] [stdout]    --> tests/pin_project.rs:452:3
[INFO] [stdout]     |
[INFO] [stdout] 452 | #[rustversion::since(1.36)] // https://github.com/rust-lang/rust/pull/61207
[INFO] [stdout]     |   ^^^^^^^^^^^ use of undeclared crate or module `rustversion`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 8 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[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] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "322e50ffc121534df6cbf28a5874f37377f9df5e44ad1f162b4a77984056776b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "322e50ffc121534df6cbf28a5874f37377f9df5e44ad1f162b4a77984056776b", kill_on_drop: false }`
[INFO] [stdout] 322e50ffc121534df6cbf28a5874f37377f9df5e44ad1f162b4a77984056776b