[INFO] fetching crate reproto 0.3.36...
[INFO] checking reproto-0.3.36 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate reproto 0.3.36 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate reproto 0.3.36 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate reproto 0.3.36
[INFO] finished tweaking crates.io crate reproto 0.3.36
[INFO] tweaked toml for crates.io crate reproto 0.3.36 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5808501ce68bcd3e621187b718bf416478cc1bac9d55ffcf5964954480f17d74
[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" "5808501ce68bcd3e621187b718bf416478cc1bac9d55ffcf5964954480f17d74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5808501ce68bcd3e621187b718bf416478cc1bac9d55ffcf5964954480f17d74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5808501ce68bcd3e621187b718bf416478cc1bac9d55ffcf5964954480f17d74", kill_on_drop: false }`
[INFO] [stdout] 5808501ce68bcd3e621187b718bf416478cc1bac9d55ffcf5964954480f17d74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af666bff715822681987bc6cfaeb44230e7d3e64ffe8c40c87170114f58915d8
[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" "af666bff715822681987bc6cfaeb44230e7d3e64ffe8c40c87170114f58915d8", kill_on_drop: false }`
[INFO] [stderr]     Checking genco v0.3.30
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling backtrace v0.3.60
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling ring v0.13.5
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]     Checking addr2line v0.15.2
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling onig_sys v68.2.1
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking base64 v0.8.0
[INFO] [stderr]    Compiling plist v0.2.4
[INFO] [stderr]    Compiling pulldown-cmark v0.0.14
[INFO] [stderr]     Checking libc v0.2.98
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]     Checking maybe-uninit v2.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[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] [stderr]    Compiling rand_chacha v0.1.1
[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]    Compiling rand v0.6.5
[INFO] [stderr] error: could not compile `genco`
[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] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "af666bff715822681987bc6cfaeb44230e7d3e64ffe8c40c87170114f58915d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af666bff715822681987bc6cfaeb44230e7d3e64ffe8c40c87170114f58915d8", kill_on_drop: false }`
[INFO] [stdout] af666bff715822681987bc6cfaeb44230e7d3e64ffe8c40c87170114f58915d8