[INFO] fetching crate transformation-pipeline 0.1.0...
[INFO] testing transformation-pipeline-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate transformation-pipeline 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate transformation-pipeline 0.1.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0d3e578e324928558deb8f51dae1d1cc76d61de929754e07fbab9daaba40a668
[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" "0d3e578e324928558deb8f51dae1d1cc76d61de929754e07fbab9daaba40a668", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d3e578e324928558deb8f51dae1d1cc76d61de929754e07fbab9daaba40a668", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d3e578e324928558deb8f51dae1d1cc76d61de929754e07fbab9daaba40a668", kill_on_drop: false }`
[INFO] [stdout] 0d3e578e324928558deb8f51dae1d1cc76d61de929754e07fbab9daaba40a668
[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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be618d6e65a6cbb92a8aa4d3b23003762fc2cd8dbb7c71ed8a48a6a4d78aa60e
[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" "be618d6e65a6cbb92a8aa4d3b23003762fc2cd8dbb7c71ed8a48a6a4d78aa60e", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "be618d6e65a6cbb92a8aa4d3b23003762fc2cd8dbb7c71ed8a48a6a4d78aa60e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be618d6e65a6cbb92a8aa4d3b23003762fc2cd8dbb7c71ed8a48a6a4d78aa60e", kill_on_drop: false }`
[INFO] [stdout] be618d6e65a6cbb92a8aa4d3b23003762fc2cd8dbb7c71ed8a48a6a4d78aa60e
[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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4533b0ff286c68785e5c896b3d54d5211f95c818a48da807d96c536cda27d60b
[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" "4533b0ff286c68785e5c896b3d54d5211f95c818a48da807d96c536cda27d60b", kill_on_drop: false }`
[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] [stderr]    Compiling transformation-pipeline v0.1.0 (/opt/rustwide/workdir)
[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: 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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.26s
[INFO] running `Command { std: "docker" "inspect" "4533b0ff286c68785e5c896b3d54d5211f95c818a48da807d96c536cda27d60b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4533b0ff286c68785e5c896b3d54d5211f95c818a48da807d96c536cda27d60b", kill_on_drop: false }`
[INFO] [stdout] 4533b0ff286c68785e5c896b3d54d5211f95c818a48da807d96c536cda27d60b
[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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0716b4ced23eaa0b58e0bcb1c0d29c584a4b0b1493ccaea3f3a4c603fb83fb1f
[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" "0716b4ced23eaa0b58e0bcb1c0d29c584a4b0b1493ccaea3f3a4c603fb83fb1f", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/pipeline.rs:8:21
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr] 8 |     stages: Vec<Box<TransformationStage<T>>>,
[INFO] [stdout] 
[INFO] [stderr]   |                     ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TransformationStage<T>`
[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/pipeline.rs:13:32
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub fn new(stages: Vec<Box<TransformationStage<T>>>) -> TransformationPipeline<T> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TransformationStage<T>`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/pipeline.rs:8:21
[INFO] [stderr]   |
[INFO] [stderr] 8 |     stages: Vec<Box<TransformationStage<T>>>,
[INFO] [stderr]   |                     ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TransformationStage<T>`
[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/pipeline.rs:13:32
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub fn new(stages: Vec<Box<TransformationStage<T>>>) -> TransformationPipeline<T> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TransformationStage<T>`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/transformation_pipeline-cb907df138523b3a
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/basic-2e77e1af165c8c2c
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/skip-ae90a31107c4cd54
[INFO] [stdout] test run_pipeline ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests transformation-pipeline
[INFO] [stdout] test run_pipeline ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0716b4ced23eaa0b58e0bcb1c0d29c584a4b0b1493ccaea3f3a4c603fb83fb1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0716b4ced23eaa0b58e0bcb1c0d29c584a4b0b1493ccaea3f3a4c603fb83fb1f", kill_on_drop: false }`
[INFO] [stdout] 0716b4ced23eaa0b58e0bcb1c0d29c584a4b0b1493ccaea3f3a4c603fb83fb1f