[INFO] fetching crate emojis 0.6.1...
[INFO] checking emojis-0.6.1 against try#23ffd2897cbb44320ca18dfe4d05dbacb37d55e0 for pr-115950
[INFO] extracting crate emojis 0.6.1 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate emojis 0.6.1 on toolchain 23ffd2897cbb44320ca18dfe4d05dbacb37d55e0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate emojis 0.6.1
[INFO] finished tweaking crates.io crate emojis 0.6.1
[INFO] tweaked toml for crates.io crate emojis 0.6.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate emojis 0.6.1 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" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4dc39261aa3d2bc607e96b07364e18d77c73e6391222371eaac07c558051ad80
[INFO] running `Command { std: "docker" "start" "-a" "4dc39261aa3d2bc607e96b07364e18d77c73e6391222371eaac07c558051ad80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4dc39261aa3d2bc607e96b07364e18d77c73e6391222371eaac07c558051ad80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4dc39261aa3d2bc607e96b07364e18d77c73e6391222371eaac07c558051ad80", kill_on_drop: false }`
[INFO] [stdout] 4dc39261aa3d2bc607e96b07364e18d77c73e6391222371eaac07c558051ad80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 76093202ba148ec39167043db89bcfe4d0209cad1718e7c99a65efe1108ad5f7
[INFO] running `Command { std: "docker" "start" "-a" "76093202ba148ec39167043db89bcfe4d0209cad1718e7c99a65efe1108ad5f7", kill_on_drop: false }`
[INFO] [stderr]     Checking siphasher v0.3.11
[INFO] [stderr]     Checking phf_shared v0.11.2
[INFO] [stderr]     Checking phf v0.11.2
[INFO] [stderr]     Checking emojis v0.6.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0515]: cannot return value referencing function parameter `g`
[INFO] [stdout]    --> tests/smoke.rs:102:59
[INFO] [stdout]     |
[INFO] [stdout] 102 |     let left: Vec<_> = emojis::Group::iter().flat_map(|g| g.emojis()).collect();
[INFO] [stdout]     |                                                           -^^^^^^^^^
[INFO] [stdout]     |                                                           |
[INFO] [stdout]     |                                                           returns a value referencing data owned by the current function
[INFO] [stdout]     |                                                           `g` is borrowed here
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `.collect()` to allocate the iterator
[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 E0515`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `emojis` (test "smoke") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "76093202ba148ec39167043db89bcfe4d0209cad1718e7c99a65efe1108ad5f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76093202ba148ec39167043db89bcfe4d0209cad1718e7c99a65efe1108ad5f7", kill_on_drop: false }`
[INFO] [stdout] 76093202ba148ec39167043db89bcfe4d0209cad1718e7c99a65efe1108ad5f7