[INFO] fetching crate exprz 0.0.15...
[INFO] checking exprz-0.0.15 against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] extracting crate exprz 0.0.15 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate exprz 0.0.15 on toolchain 506512391b1a75ae450d36c9420978402a91abcc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate exprz 0.0.15
[INFO] finished tweaking crates.io crate exprz 0.0.15
[INFO] tweaked toml for crates.io crate exprz 0.0.15 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 13 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ea15149f8c027f8342c5ce0ea023d2288f49434c5c447b4ba6db758e2b8fcca4
[INFO] running `Command { std: "docker" "start" "-a" "ea15149f8c027f8342c5ce0ea023d2288f49434c5c447b4ba6db758e2b8fcca4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea15149f8c027f8342c5ce0ea023d2288f49434c5c447b4ba6db758e2b8fcca4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea15149f8c027f8342c5ce0ea023d2288f49434c5c447b4ba6db758e2b8fcca4", kill_on_drop: false }`
[INFO] [stdout] ea15149f8c027f8342c5ce0ea023d2288f49434c5c447b4ba6db758e2b8fcca4
[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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 03609b3f240875a5fb141f082059ec20ce596184eddba82d2092ab9626f98971
[INFO] running `Command { std: "docker" "start" "-a" "03609b3f240875a5fb141f082059ec20ce596184eddba82d2092ab9626f98971", kill_on_drop: false }`
[INFO] [stderr]     Checking exprz v0.0.15 (/opt/rustwide/workdir)
[INFO] [stdout] error: missing required bound on `Iter`
[INFO] [stdout]    --> src/lib.rs:161:5
[INFO] [stdout]     |
[INFO] [stdout] 161 | /     type Iter<'e>: Iterator<Item = Self::Item<'e>>
[INFO] [stdout] 162 | |     where
[INFO] [stdout] 163 | |         E: 'e;
[INFO] [stdout]     | |              ^
[INFO] [stdout]     | |              |
[INFO] [stdout]     | |______________help: add the required where clause: `, Self: 'e`
[INFO] [stdout]     |
[INFO] [stdout]     |
[INFO] [stdout]     = note: this bound is currently required to ensure that impls have maximum flexibility
[INFO] [stdout]     = note: we are soliciting feedback, see issue #87479 <https://github.com/rust-lang/rust/issues/87479> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: missing required bound on `Iter`
[INFO] [stdout]    --> src/lib.rs:161:5
[INFO] [stdout]     |
[INFO] [stdout] 161 | /     type Iter<'e>: Iterator<Item = Self::Item<'e>>
[INFO] [stdout] 162 | |     where
[INFO] [stdout] 163 | |         E: 'e;
[INFO] [stdout]     | |              ^
[INFO] [stdout]     | |              |
[INFO] [stdout]     | |______________help: add the required where clause: `, Self: 'e`
[INFO] [stdout]     |
[INFO] [stdout]     |
[INFO] [stdout]     = note: this bound is currently required to ensure that impls have maximum flexibility
[INFO] [stdout]     = note: we are soliciting feedback, see issue #87479 <https://github.com/rust-lang/rust/issues/87479> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: missing required bound on `Item`
[INFO] [stdout]    --> src/lib.rs:156:5
[INFO] [stdout]     |
[INFO] [stdout] 156 | /     type Item<'e>: Reference<'e, E>
[INFO] [stdout] 157 | |     where
[INFO] [stdout] 158 | |         E: 'e;
[INFO] [stdout]     | |              ^
[INFO] [stdout]     | |              |
[INFO] [stdout]     | |______________help: add the required where clause: `, Self: 'e`
[INFO] [stdout]     |
[INFO] [stdout]     |
[INFO] [stdout]     = note: this bound is currently required to ensure that impls have maximum flexibility
[INFO] [stdout]     = note: we are soliciting feedback, see issue #87479 <https://github.com/rust-lang/rust/issues/87479> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: missing required bound on `Item`
[INFO] [stdout]    --> src/lib.rs:156:5
[INFO] [stdout]     |
[INFO] [stdout] 156 | /     type Item<'e>: Reference<'e, E>
[INFO] [stdout] 157 | |     where
[INFO] [stdout] 158 | |         E: 'e;
[INFO] [stdout]     | |              ^
[INFO] [stdout]     | |              |
[INFO] [stdout]     | |______________help: add the required where clause: `, Self: 'e`
[INFO] [stdout]     |
[INFO] [stdout]     |
[INFO] [stdout]     = note: this bound is currently required to ensure that impls have maximum flexibility
[INFO] [stdout]     = note: we are soliciting feedback, see issue #87479 <https://github.com/rust-lang/rust/issues/87479> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: missing required bound on `Ref`
[INFO] [stdout]    --> src/lib.rs:262:5
[INFO] [stdout]     |
[INFO] [stdout] 262 | /     type Ref<'e>: GroupReference<E>
[INFO] [stdout] 263 | |     where
[INFO] [stdout] 264 | |         E: 'e;
[INFO] [stdout]     | |              ^
[INFO] [stdout]     | |              |
[INFO] [stdout]     | |______________help: add the required where clause: `, Self: 'e`
[INFO] [stdout]     |
[INFO] [stdout]     |
[INFO] [stdout]     = note: this bound is currently required to ensure that impls have maximum flexibility
[INFO] [stdout]     = note: we are soliciting feedback, see issue #87479 <https://github.com/rust-lang/rust/issues/87479> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: missing required bound on `Ref`
[INFO] [stdout]    --> src/lib.rs:262:5
[INFO] [stdout]     |
[INFO] [stdout] 262 | /     type Ref<'e>: GroupReference<E>
[INFO] [stdout] 263 | |     where
[INFO] [stdout] 264 | |         E: 'e;
[INFO] [stdout]     | |              ^
[INFO] [stdout]     | |              |
[INFO] [stdout]     | |______________help: add the required where clause: `, Self: 'e`
[INFO] [stdout]     |
[INFO] [stdout]     |
[INFO] [stdout]     = note: this bound is currently required to ensure that impls have maximum flexibility
[INFO] [stdout]     = note: we are soliciting feedback, see issue #87479 <https://github.com/rust-lang/rust/issues/87479> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `exprz` (lib) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `exprz` (lib test) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "03609b3f240875a5fb141f082059ec20ce596184eddba82d2092ab9626f98971", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03609b3f240875a5fb141f082059ec20ce596184eddba82d2092ab9626f98971", kill_on_drop: false }`
[INFO] [stdout] 03609b3f240875a5fb141f082059ec20ce596184eddba82d2092ab9626f98971