[INFO] fetching crate rtps-idl 0.2.0...
[INFO] checking rtps-idl-0.2.0 against try#7b3565da729099dbe807466fcd118fb2815986e0 for pr-81789
[INFO] extracting crate rtps-idl 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate rtps-idl 0.2.0 on toolchain 7b3565da729099dbe807466fcd118fb2815986e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rtps-idl 0.2.0
[INFO] finished tweaking crates.io crate rtps-idl 0.2.0
[INFO] tweaked toml for crates.io crate rtps-idl 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rtps-idl-grammar v0.2.3
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 967fea81eea0107c392521e672a2c0402eae898d26961171b1ff208da8ad4056
[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" "967fea81eea0107c392521e672a2c0402eae898d26961171b1ff208da8ad4056", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "967fea81eea0107c392521e672a2c0402eae898d26961171b1ff208da8ad4056", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "967fea81eea0107c392521e672a2c0402eae898d26961171b1ff208da8ad4056", kill_on_drop: false }`
[INFO] [stdout] 967fea81eea0107c392521e672a2c0402eae898d26961171b1ff208da8ad4056
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "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] ec57738c5bb2e4016eeff77bccd2d5686e8129c41ba99a3ea4754983112e46b3
[INFO] running `Command { std: "docker" "start" "-a" "ec57738c5bb2e4016eeff77bccd2d5686e8129c41ba99a3ea4754983112e46b3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling pest v1.0.6
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling pest_derive v1.0.8
[INFO] [stderr]     Checking rtps-idl-grammar v0.2.3
[INFO] [stderr]     Checking rtps-idl v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:473:77
[INFO] [stdout]     |
[INFO] [stdout] 473 |     pub fn process<L: IdlLoader>(&mut self, scope: &mut Scope, loader: &mut IdlLoader,
[INFO] [stdout]     |                                                                             ^^^^^^^^^ help: use `dyn`: `dyn IdlLoader`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:473:77
[INFO] [stdout]     |
[INFO] [stdout] 473 |     pub fn process<L: IdlLoader>(&mut self, scope: &mut Scope, loader: &mut IdlLoader,
[INFO] [stdout]     |                                                                             ^^^^^^^^^ help: use `dyn`: `dyn IdlLoader`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.68s
[INFO] running `Command { std: "docker" "inspect" "ec57738c5bb2e4016eeff77bccd2d5686e8129c41ba99a3ea4754983112e46b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec57738c5bb2e4016eeff77bccd2d5686e8129c41ba99a3ea4754983112e46b3", kill_on_drop: false }`
[INFO] [stdout] ec57738c5bb2e4016eeff77bccd2d5686e8129c41ba99a3ea4754983112e46b3