[INFO] fetching crate fsort 1.0.0...
[INFO] testing fsort-1.0.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate fsort 1.0.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate fsort 1.0.0 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 fsort 1.0.0
[INFO] finished tweaking crates.io crate fsort 1.0.0
[INFO] tweaked toml for crates.io crate fsort 1.0.0 written to /workspace/builds/worker-5/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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 89a669de74d9dd13b80115efd73a68a05e54e6826703744654eca33c1aa2dd58
[INFO] running `Command { std: "docker" "start" "-a" "89a669de74d9dd13b80115efd73a68a05e54e6826703744654eca33c1aa2dd58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "89a669de74d9dd13b80115efd73a68a05e54e6826703744654eca33c1aa2dd58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89a669de74d9dd13b80115efd73a68a05e54e6826703744654eca33c1aa2dd58", kill_on_drop: false }`
[INFO] [stdout] 89a669de74d9dd13b80115efd73a68a05e54e6826703744654eca33c1aa2dd58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 4a53e8a43b32ea9dc840b9446ed28f5c9c310fc3d17c9440b83396b1196a33f8
[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" "4a53e8a43b32ea9dc840b9446ed28f5c9c310fc3d17c9440b83396b1196a33f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling fsort v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/file_collection/dynamic_collection.rs:10:22
[INFO] [stdout]    |
[INFO] [stdout] 10 |     collection : Box<FileCollection<IntoIter=PathIter,Item=PathBuf> + 'static>
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FileCollection<IntoIter=PathIter,Item=PathBuf> + 'static`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/criterion/error.rs:19:30
[INFO] [stdout]    |
[INFO] [stdout] 19 |         write!(f, "{}", self.description())
[INFO] [stdout]    |                              ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[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" "4a53e8a43b32ea9dc840b9446ed28f5c9c310fc3d17c9440b83396b1196a33f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a53e8a43b32ea9dc840b9446ed28f5c9c310fc3d17c9440b83396b1196a33f8", kill_on_drop: false }`
[INFO] [stdout] 4a53e8a43b32ea9dc840b9446ed28f5c9c310fc3d17c9440b83396b1196a33f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 975fe3a55d1a7ecedf01dd1d23af3ba04bb644b5da2b80ea7d959f2965f36830
[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" "975fe3a55d1a7ecedf01dd1d23af3ba04bb644b5da2b80ea7d959f2965f36830", kill_on_drop: false }`
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/file_collection/dynamic_collection.rs:10:22
[INFO] [stdout]    |
[INFO] [stdout] 10 |     collection : Box<FileCollection<IntoIter=PathIter,Item=PathBuf> + 'static>
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FileCollection<IntoIter=PathIter,Item=PathBuf> + 'static`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling fsort v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/criterion/error.rs:19:30
[INFO] [stdout]    |
[INFO] [stdout] 19 |         write!(f, "{}", self.description())
[INFO] [stdout]    |                              ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[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/file_collection/dynamic_collection.rs:10:22
[INFO] [stdout]    |
[INFO] [stdout] 10 |     collection : Box<FileCollection<IntoIter=PathIter,Item=PathBuf> + 'static>
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FileCollection<IntoIter=PathIter,Item=PathBuf> + 'static`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/criterion/error.rs:19:30
[INFO] [stdout]    |
[INFO] [stdout] 19 |         write!(f, "{}", self.description())
[INFO] [stdout]    |                              ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `Command { std: "docker" "inspect" "975fe3a55d1a7ecedf01dd1d23af3ba04bb644b5da2b80ea7d959f2965f36830", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "975fe3a55d1a7ecedf01dd1d23af3ba04bb644b5da2b80ea7d959f2965f36830", kill_on_drop: false }`
[INFO] [stdout] 975fe3a55d1a7ecedf01dd1d23af3ba04bb644b5da2b80ea7d959f2965f36830
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 230e5e8ef877fbc03a7c0b71b70661e19e07e31e4f0b94d0eb82f93ca9617333
[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" "230e5e8ef877fbc03a7c0b71b70661e19e07e31e4f0b94d0eb82f93ca9617333", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/file_collection/dynamic_collection.rs:10:22
[INFO] [stderr]    |
[INFO] [stderr] 10 |     collection : Box<FileCollection<IntoIter=PathIter,Item=PathBuf> + 'static>
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FileCollection<IntoIter=PathIter,Item=PathBuf> + 'static`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/criterion/error.rs:19:30
[INFO] [stderr]    |
[INFO] [stderr] 19 |         write!(f, "{}", self.description())
[INFO] [stderr]    |                              ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/file_collection/dynamic_collection.rs:10:22
[INFO] [stderr]    |
[INFO] [stderr] 10 |     collection : Box<FileCollection<IntoIter=PathIter,Item=PathBuf> + 'static>
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FileCollection<IntoIter=PathIter,Item=PathBuf> + 'static`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/criterion/error.rs:19:30
[INFO] [stderr]    |
[INFO] [stderr] 19 |         write!(f, "{}", self.description())
[INFO] [stderr]    |                              ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fsort-9d033a983030df33
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fsort
[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] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/file_collection/static_collection.rs - file_collection::static_collection::StaticCollection<C>::new (line 25) ... ok
[INFO] [stdout] test src/file_collection/static_collection.rs - file_collection::static_collection::StaticCollection<C>::iter (line 40) ... ok
[INFO] [stdout] test src/file_collection/dynamic_collection.rs - file_collection::dynamic_collection::DynamicCollection::new (line 17) ... ok
[INFO] [stdout] test src/file_collection/dynamic_collection.rs - file_collection::dynamic_collection::DynamicCollection::set_criterion (line 31) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "230e5e8ef877fbc03a7c0b71b70661e19e07e31e4f0b94d0eb82f93ca9617333", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "230e5e8ef877fbc03a7c0b71b70661e19e07e31e4f0b94d0eb82f93ca9617333", kill_on_drop: false }`
[INFO] [stdout] 230e5e8ef877fbc03a7c0b71b70661e19e07e31e4f0b94d0eb82f93ca9617333