[INFO] fetching crate jenner-macro 0.2.0...
[INFO] testing jenner-macro-0.2.0 against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065-1
[INFO] extracting crate jenner-macro 0.2.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate jenner-macro 0.2.0
[INFO] finished tweaking crates.io crate jenner-macro 0.2.0
[INFO] tweaked toml for crates.io crate jenner-macro 0.2.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate jenner-macro 0.2.0 on toolchain 1f7f8ea0721a3b1eb73e6c6d25cccb371434b320
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 15 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.10.0)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.117)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0173bb08260c9a76ab6f73e50d9c8254c77d6ae5e57f464926bde41fa377201c
[INFO] running `Command { std: "docker" "start" "-a" "0173bb08260c9a76ab6f73e50d9c8254c77d6ae5e57f464926bde41fa377201c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0173bb08260c9a76ab6f73e50d9c8254c77d6ae5e57f464926bde41fa377201c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0173bb08260c9a76ab6f73e50d9c8254c77d6ae5e57f464926bde41fa377201c", kill_on_drop: false }`
[INFO] [stdout] 0173bb08260c9a76ab6f73e50d9c8254c77d6ae5e57f464926bde41fa377201c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c1bf84bb72357e5e5555d48313f264cc626a194cfe71d0a50676556ed18e72a
[INFO] running `Command { std: "docker" "start" "-a" "2c1bf84bb72357e5e5555d48313f264cc626a194cfe71d0a50676556ed18e72a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.183
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling zerocopy v0.8.48
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling jenner-macro v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0635]: unknown feature `drain_filter`
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(drain_filter)]
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: there is a feature with a similar name: `option_filter`
[INFO] [stdout]   |
[INFO] [stdout] 1 - #![feature(drain_filter)]
[INFO] [stdout] 1 + #![feature(option_filter)]
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `drain_filter` found for mutable reference `&mut Vec<Attribute>` in the current scope
[INFO] [stdout]   --> src/process.rs:51:14
[INFO] [stdout]    |
[INFO] [stdout] 50 |           let yields = attrs
[INFO] [stdout]    |  ______________________-
[INFO] [stdout] 51 | |             .drain_filter(|attr| attr.path.get_ident().map_or(false, |i| i == "yields"))
[INFO] [stdout]    | |             -^^^^^^^^^^^^ method not found in `&mut Vec<Attribute>`
[INFO] [stdout]    | |_____________|
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `jenner-macro` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "2c1bf84bb72357e5e5555d48313f264cc626a194cfe71d0a50676556ed18e72a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c1bf84bb72357e5e5555d48313f264cc626a194cfe71d0a50676556ed18e72a", kill_on_drop: false }`
[INFO] [stdout] 2c1bf84bb72357e5e5555d48313f264cc626a194cfe71d0a50676556ed18e72a
