[INFO] fetching crate reproto-backend 0.3.36...
[INFO] checking reproto-backend-0.3.36 against beta for pr-78714
[INFO] extracting crate reproto-backend 0.3.36 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate reproto-backend 0.3.36 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", 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-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2bfec3a62d9e5b508a069fdda0b6fa5cf0b2caa99d729b9bf627c906dd9b1c0a
[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" "2bfec3a62d9e5b508a069fdda0b6fa5cf0b2caa99d729b9bf627c906dd9b1c0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2bfec3a62d9e5b508a069fdda0b6fa5cf0b2caa99d729b9bf627c906dd9b1c0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bfec3a62d9e5b508a069fdda0b6fa5cf0b2caa99d729b9bf627c906dd9b1c0a", kill_on_drop: false }`
[INFO] [stdout] 2bfec3a62d9e5b508a069fdda0b6fa5cf0b2caa99d729b9bf627c906dd9b1c0a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 58340dd6a08dc8181307cff20f36ccae8e31ef8e074bf514c85726e97d6696d3
[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" "58340dd6a08dc8181307cff20f36ccae8e31ef8e074bf514c85726e97d6696d3", kill_on_drop: false }`
[INFO] [stderr]     Checking genco v0.3.30
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]     Checking serde_test v1.0.117
[INFO] [stderr]     Checking relative-path v0.3.7
[INFO] [stderr]     Checking reproto-semver v0.3.36
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking serde_json v1.0.59
[INFO] [stderr]    Compiling generic-array v0.9.0
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking backtrace v0.3.54
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking ropey v0.6.3
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling atty v0.1.2
[INFO] [stderr]    Compiling digest v0.7.6
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]    Compiling sha2 v0.7.1
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stdout] error[E0521]: borrowed data escapes outside of associated function
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/genco-0.3.30/src/js.rs:139:32
[INFO] [stdout]     |
[INFO] [stdout] 132 |         tokens: Tokens<'a, JavaScript<'a>>,
[INFO] [stdout]     |         ------ `tokens` is a reference that is only valid in the associated function body
[INFO] [stdout] 133 |         out: &mut Formatter,
[INFO] [stdout] 134 |         extra: &mut Self::Extra,
[INFO] [stdout]     |         ----- `extra` declared here, outside of the associated function body
[INFO] [stdout] ...
[INFO] [stdout] 139 |         if let Some(imports) = Self::imports(&tokens) {
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^^^^ `tokens` escapes the associated function body here
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider adding the following bound: `'a: 'el`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0597]: `tokens` does not live long enough
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/genco-0.3.30/src/js.rs:139:46
[INFO] [stdout]     |
[INFO] [stdout] 102 | impl<'el> Custom for JavaScript<'el> {
[INFO] [stdout]     |      --- lifetime `'el` defined here
[INFO] [stdout] ...
[INFO] [stdout] 139 |         if let Some(imports) = Self::imports(&tokens) {
[INFO] [stdout]     |                                --------------^^^^^^^-
[INFO] [stdout]     |                                |             |
[INFO] [stdout]     |                                |             borrowed value does not live long enough
[INFO] [stdout]     |                                argument requires that `tokens` is borrowed for `'el`
[INFO] [stdout] ...
[INFO] [stdout] 145 |     }
[INFO] [stdout]     |     - `tokens` dropped here while still borrowed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0597`.
[INFO] [stdout] 
[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" "58340dd6a08dc8181307cff20f36ccae8e31ef8e074bf514c85726e97d6696d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58340dd6a08dc8181307cff20f36ccae8e31ef8e074bf514c85726e97d6696d3", kill_on_drop: false }`
[INFO] [stdout] 58340dd6a08dc8181307cff20f36ccae8e31ef8e074bf514c85726e97d6696d3