[INFO] fetching crate transformation-pipeline 0.1.0...
[INFO] checking transformation-pipeline-0.1.0 against master#7b3a7819371cef92a187e9bac8f7810ccde15216 for pr-74846
[INFO] extracting crate transformation-pipeline 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate transformation-pipeline 0.1.0 on toolchain 7b3a7819371cef92a187e9bac8f7810ccde15216
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate transformation-pipeline 0.1.0
[INFO] finished tweaking crates.io crate transformation-pipeline 0.1.0
[INFO] tweaked toml for crates.io crate transformation-pipeline 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] da861a38200ae68db1685e32a9c01c524d2386b655a4df9e03be1cd519bfad09
[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" "da861a38200ae68db1685e32a9c01c524d2386b655a4df9e03be1cd519bfad09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da861a38200ae68db1685e32a9c01c524d2386b655a4df9e03be1cd519bfad09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da861a38200ae68db1685e32a9c01c524d2386b655a4df9e03be1cd519bfad09", kill_on_drop: false }`
[INFO] [stdout] da861a38200ae68db1685e32a9c01c524d2386b655a4df9e03be1cd519bfad09
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a859b7b43d5ebbe90346d8821ae111b56f323307a6718f62d17562f00f82dc7f
[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" "a859b7b43d5ebbe90346d8821ae111b56f323307a6718f62d17562f00f82dc7f", kill_on_drop: false }`
[INFO] [stderr]     Checking transformation-pipeline v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/pipeline.rs:8:21
[INFO] [stdout]   |
[INFO] [stdout] 8 |     stages: Vec<Box<TransformationStage<T>>>,
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TransformationStage<T>`
[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/pipeline.rs:13:32
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn new(stages: Vec<Box<TransformationStage<T>>>) -> TransformationPipeline<T> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TransformationStage<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/pipeline.rs:8:21
[INFO] [stdout]   |
[INFO] [stdout] 8 |     stages: Vec<Box<TransformationStage<T>>>,
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TransformationStage<T>`
[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/pipeline.rs:13:32
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn new(stages: Vec<Box<TransformationStage<T>>>) -> TransformationPipeline<T> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TransformationStage<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "a859b7b43d5ebbe90346d8821ae111b56f323307a6718f62d17562f00f82dc7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a859b7b43d5ebbe90346d8821ae111b56f323307a6718f62d17562f00f82dc7f", kill_on_drop: false }`
[INFO] [stdout] a859b7b43d5ebbe90346d8821ae111b56f323307a6718f62d17562f00f82dc7f