[INFO] crate fluent-syntax 0.9.0 is already in cache
[INFO] checking fluent-syntax-0.9.0 against try#e922e6444795ab795fab1943288aee3d543699b8 for pr-66852
[INFO] extracting crate fluent-syntax 0.9.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate fluent-syntax 0.9.0 on toolchain e922e6444795ab795fab1943288aee3d543699b8
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e922e6444795ab795fab1943288aee3d543699b8" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate fluent-syntax 0.9.0
[INFO] finished tweaking crates.io crate fluent-syntax 0.9.0
[INFO] tweaked toml for crates.io crate fluent-syntax 0.9.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e922e6444795ab795fab1943288aee3d543699b8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e922e6444795ab795fab1943288aee3d543699b8" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e922e6444795ab795fab1943288aee3d543699b8" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 92812df0af0922d9e055ffb1122ec9f09c75029ec07406d6a712bbc439f5d6c1
[INFO] running `"docker" "start" "-a" "92812df0af0922d9e055ffb1122ec9f09c75029ec07406d6a712bbc439f5d6c1"`
[INFO] [stderr]     Checking fluent-syntax v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking criterion-plot v0.3.1
[INFO] [stderr]     Checking criterion v0.2.11
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> tests/ast/mod.rs:8:68
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub fn serialize<'s>(res: &'s ast::Resource) -> Result<String, Box<Error>> {
[INFO] [stderr]   |                                                                    ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> tests/ast/mod.rs:14:84
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub fn _serialize_to_pretty_json<'s>(res: &'s ast::Resource) -> Result<String, Box<Error>> {
[INFO] [stderr]    |                                                                                    ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.63s
[INFO] running `"docker" "inspect" "92812df0af0922d9e055ffb1122ec9f09c75029ec07406d6a712bbc439f5d6c1"`
[INFO] running `"docker" "rm" "-f" "92812df0af0922d9e055ffb1122ec9f09c75029ec07406d6a712bbc439f5d6c1"`
[INFO] [stdout] 92812df0af0922d9e055ffb1122ec9f09c75029ec07406d6a712bbc439f5d6c1