[INFO] crate dockerfile-rs 0.3.0 is already in cache
[INFO] checking dockerfile-rs-0.3.0 against try#89c05fd3cc6404a13e1bd71450c6132a2755fa4b for pr-69741
[INFO] extracting crate dockerfile-rs 0.3.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate dockerfile-rs 0.3.0 on toolchain 89c05fd3cc6404a13e1bd71450c6132a2755fa4b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+89c05fd3cc6404a13e1bd71450c6132a2755fa4b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate dockerfile-rs 0.3.0
[INFO] finished tweaking crates.io crate dockerfile-rs 0.3.0
[INFO] tweaked toml for crates.io crate dockerfile-rs 0.3.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+89c05fd3cc6404a13e1bd71450c6132a2755fa4b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+89c05fd3cc6404a13e1bd71450c6132a2755fa4b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"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" "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" "+89c05fd3cc6404a13e1bd71450c6132a2755fa4b" "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] 4840564208bb91cd4327c2fb8c2b811d820af8bf2f5973f136d20d0a5745c082
[INFO] running `"docker" "start" "-a" "4840564208bb91cd4327c2fb8c2b811d820af8bf2f5973f136d20d0a5745c082"`
[INFO] [stderr]     Checking dockerfile-rs v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/builder.rs:37:27
[INFO] [stderr]    |
[INFO] [stderr] 37 |     instructions: Vec<Box<StorageInstruction>>,
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn StorageInstruction`
[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]    --> src/lib.rs:615:16
[INFO] [stderr]     |
[INFO] [stderr] 615 |     inner: Box<Instruction>,
[INFO] [stderr]     |                ^^^^^^^^^^^ help: use `dyn`: `dyn Instruction`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/builder.rs:37:27
[INFO] [stderr]    |
[INFO] [stderr] 37 |     instructions: Vec<Box<StorageInstruction>>,
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn StorageInstruction`
[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]    --> src/lib.rs:615:16
[INFO] [stderr]     |
[INFO] [stderr] 615 |     inner: Box<Instruction>,
[INFO] [stderr]     |                ^^^^^^^^^^^ help: use `dyn`: `dyn Instruction`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `"docker" "inspect" "4840564208bb91cd4327c2fb8c2b811d820af8bf2f5973f136d20d0a5745c082"`
[INFO] running `"docker" "rm" "-f" "4840564208bb91cd4327c2fb8c2b811d820af8bf2f5973f136d20d0a5745c082"`
[INFO] [stdout] 4840564208bb91cd4327c2fb8c2b811d820af8bf2f5973f136d20d0a5745c082