[INFO] fetching crate reproto-backend 0.3.36...
[INFO] testing reproto-backend-0.3.36 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate reproto-backend 0.3.36 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate reproto-backend 0.3.36 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate reproto-backend 0.3.36
[INFO] finished tweaking crates.io crate reproto-backend 0.3.36
[INFO] tweaked toml for crates.io crate reproto-backend 0.3.36 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2139ae4e574251233739741001f9be99c08f85a8e2d80dc7ebb9cbfc1161fdfc
[INFO] running `Command { std: "docker" "start" "-a" "2139ae4e574251233739741001f9be99c08f85a8e2d80dc7ebb9cbfc1161fdfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2139ae4e574251233739741001f9be99c08f85a8e2d80dc7ebb9cbfc1161fdfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2139ae4e574251233739741001f9be99c08f85a8e2d80dc7ebb9cbfc1161fdfc", kill_on_drop: false }`
[INFO] [stdout] 2139ae4e574251233739741001f9be99c08f85a8e2d80dc7ebb9cbfc1161fdfc
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0aff3dcb5dc1114f9a7510d8f48e1fdd68be319b403c6268480dd32f8e71894c
[INFO] running `Command { std: "docker" "start" "-a" "0aff3dcb5dc1114f9a7510d8f48e1fdd68be319b403c6268480dd32f8e71894c", kill_on_drop: false }`
[INFO] [stderr]    Compiling genco v0.3.30
[INFO] [stderr]    Compiling generic-array v0.9.1
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling digest v0.7.6
[INFO] [stderr]    Compiling sha2 v0.7.1
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stdout] error[E0495]: cannot infer an appropriate lifetime for lifetime parameter `'el` due to conflicting requirements
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/genco-0.3.30/src/js.rs:139:32
[INFO] [stdout]     |
[INFO] [stdout] 139 |         if let Some(imports) = Self::imports(&tokens) {
[INFO] [stdout]     |                                ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: first, the lifetime cannot outlive the lifetime `'a` as defined on the method body at 131:19...
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/genco-0.3.30/src/js.rs:131:19
[INFO] [stdout]     |
[INFO] [stdout] 131 |     fn write_file<'a>(
[INFO] [stdout]     |                   ^^
[INFO] [stdout] note: ...so that the expression is assignable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/genco-0.3.30/src/js.rs:139:46
[INFO] [stdout]     |
[INFO] [stdout] 139 |         if let Some(imports) = Self::imports(&tokens) {
[INFO] [stdout]     |                                              ^^^^^^^
[INFO] [stdout]     = note: expected `&Tokens<'_, JavaScript<'_>>`
[INFO] [stdout]                found `&Tokens<'a, JavaScript<'a>>`
[INFO] [stdout] note: but, the lifetime must be valid for the lifetime `'el` as defined on the impl at 102:6...
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/genco-0.3.30/src/js.rs:102:6
[INFO] [stdout]     |
[INFO] [stdout] 102 | impl<'el> Custom for JavaScript<'el> {
[INFO] [stdout]     |      ^^^
[INFO] [stdout] note: ...so that the types are compatible
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/genco-0.3.30/src/js.rs:139:32
[INFO] [stdout]     |
[INFO] [stdout] 139 |         if let Some(imports) = Self::imports(&tokens) {
[INFO] [stdout]     |                                ^^^^^^^^^^^^^
[INFO] [stdout]     = note: expected `JavaScript<'_>`
[INFO] [stdout]                found `JavaScript<'el>`
[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 E0495`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `genco` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "0aff3dcb5dc1114f9a7510d8f48e1fdd68be319b403c6268480dd32f8e71894c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0aff3dcb5dc1114f9a7510d8f48e1fdd68be319b403c6268480dd32f8e71894c", kill_on_drop: false }`
[INFO] [stdout] 0aff3dcb5dc1114f9a7510d8f48e1fdd68be319b403c6268480dd32f8e71894c