[INFO] fetching crate rhai 0.19.11...
[INFO] checking rhai-0.19.11 against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] extracting crate rhai 0.19.11 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate rhai 0.19.11 on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rhai 0.19.11
[INFO] finished tweaking crates.io crate rhai 0.19.11
[INFO] tweaked toml for crates.io crate rhai 0.19.11 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate rhai 0.19.11 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c69231e6ace8847e630fac20288f1d311d8982d1386d41a8f98f1a0a8ea754b
[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" "7c69231e6ace8847e630fac20288f1d311d8982d1386d41a8f98f1a0a8ea754b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c69231e6ace8847e630fac20288f1d311d8982d1386d41a8f98f1a0a8ea754b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c69231e6ace8847e630fac20288f1d311d8982d1386d41a8f98f1a0a8ea754b", kill_on_drop: false }`
[INFO] [stdout] 7c69231e6ace8847e630fac20288f1d311d8982d1386d41a8f98f1a0a8ea754b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a1c702dff6eb7b062332b3a4c1da491f4c3f7e7f47e02095036ae2d544a60c30
[INFO] running `Command { std: "docker" "start" "-a" "a1c702dff6eb7b062332b3a4c1da491f4c3f7e7f47e02095036ae2d544a60c30", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling ahash v0.6.3
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]     Checking getrandom v0.2.1
[INFO] [stderr]    Compiling rhai_codegen v0.3.2
[INFO] [stderr]     Checking rhai v0.19.11 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `rhai::engine_api::<impl rhai::Engine>::register_raw_fn`: this function is volatile and may change
[INFO] [stdout]   --> tests/native.rs:18:10
[INFO] [stdout]    |
[INFO] [stdout] 18 |         .register_raw_fn(
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `rhai::engine_api::<impl rhai::Engine>::register_raw_fn`: this function is volatile and may change
[INFO] [stdout]   --> tests/native.rs:23:10
[INFO] [stdout]    |
[INFO] [stdout] 23 |         .register_raw_fn(
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Foo`
[INFO] [stdout]   --> tests/switch.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |         Foo,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Bar`
[INFO] [stdout]   --> tests/switch.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 |         Bar(INT),
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 13s
[INFO] running `Command { std: "docker" "inspect" "a1c702dff6eb7b062332b3a4c1da491f4c3f7e7f47e02095036ae2d544a60c30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1c702dff6eb7b062332b3a4c1da491f4c3f7e7f47e02095036ae2d544a60c30", kill_on_drop: false }`
[INFO] [stdout] a1c702dff6eb7b062332b3a4c1da491f4c3f7e7f47e02095036ae2d544a60c30