[INFO] fetching crate transaction 0.2.1...
[INFO] testing transaction-0.2.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate transaction 0.2.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate transaction 0.2.1 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 transaction 0.2.1
[INFO] finished tweaking crates.io crate transaction 0.2.1
[INFO] tweaked toml for crates.io crate transaction 0.2.1 written to /workspace/builds/worker-1/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 7a8d8476d78ed54407d7f83f1803670994f062a6b6c2d2d093d6926591376543
[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" "7a8d8476d78ed54407d7f83f1803670994f062a6b6c2d2d093d6926591376543", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a8d8476d78ed54407d7f83f1803670994f062a6b6c2d2d093d6926591376543", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a8d8476d78ed54407d7f83f1803670994f062a6b6c2d2d093d6926591376543", kill_on_drop: false }`
[INFO] [stdout] 7a8d8476d78ed54407d7f83f1803670994f062a6b6c2d2d093d6926591376543
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 1daf62546bb2fd53e179acaaaab4a6d51c17a57100c260c8ee82d6465d389ef5
[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" "1daf62546bb2fd53e179acaaaab4a6d51c17a57100c260c8ee82d6465d389ef5", kill_on_drop: false }`
[INFO] [stderr]    Compiling transaction v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/loop_fn.rs:23:27
[INFO] [stdout]    |
[INFO] [stdout] 23 |     _phantom: PhantomData<(Ctx)>,
[INFO] [stdout]    |                           ^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:168:31
[INFO] [stdout]     |
[INFO] [stdout] 168 |     fn boxed<'a>(self) -> Box<Transaction<Ctx = Self::Ctx, Item = Self::Item, Err = Self::Err> + 'a>
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Transaction<Ctx = Self::Ctx, Item = Self::Item, Err = Self::Err> + 'a`
[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:423:33
[INFO] [stdout]     |
[INFO] [stdout] 423 | impl<Ctx, T, E> Transaction for Fn(&mut Ctx) -> Result<T, E> {
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Ctx) -> Result<T, E>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `Command { std: "docker" "inspect" "1daf62546bb2fd53e179acaaaab4a6d51c17a57100c260c8ee82d6465d389ef5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1daf62546bb2fd53e179acaaaab4a6d51c17a57100c260c8ee82d6465d389ef5", kill_on_drop: false }`
[INFO] [stdout] 1daf62546bb2fd53e179acaaaab4a6d51c17a57100c260c8ee82d6465d389ef5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 6558723e7d018dab5d6a0a5a5ccb5eae35b3ebf670f2a52bfbad715d082d0ca5
[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" "6558723e7d018dab5d6a0a5a5ccb5eae35b3ebf670f2a52bfbad715d082d0ca5", kill_on_drop: false }`
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/loop_fn.rs:23:27
[INFO] [stdout]    |
[INFO] [stdout] 23 |     _phantom: PhantomData<(Ctx)>,
[INFO] [stdout]    |                           ^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling transaction v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:168:31
[INFO] [stdout]     |
[INFO] [stdout] 168 |     fn boxed<'a>(self) -> Box<Transaction<Ctx = Self::Ctx, Item = Self::Item, Err = Self::Err> + 'a>
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Transaction<Ctx = Self::Ctx, Item = Self::Item, Err = Self::Err> + 'a`
[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:423:33
[INFO] [stdout]     |
[INFO] [stdout] 423 | impl<Ctx, T, E> Transaction for Fn(&mut Ctx) -> Result<T, E> {
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Ctx) -> Result<T, E>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/loop_fn.rs:23:27
[INFO] [stdout]    |
[INFO] [stdout] 23 |     _phantom: PhantomData<(Ctx)>,
[INFO] [stdout]    |                           ^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:168:31
[INFO] [stdout]     |
[INFO] [stdout] 168 |     fn boxed<'a>(self) -> Box<Transaction<Ctx = Self::Ctx, Item = Self::Item, Err = Self::Err> + 'a>
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Transaction<Ctx = Self::Ctx, Item = Self::Item, Err = Self::Err> + 'a`
[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:423:33
[INFO] [stdout]     |
[INFO] [stdout] 423 | impl<Ctx, T, E> Transaction for Fn(&mut Ctx) -> Result<T, E> {
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Ctx) -> Result<T, E>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.60s
[INFO] running `Command { std: "docker" "inspect" "6558723e7d018dab5d6a0a5a5ccb5eae35b3ebf670f2a52bfbad715d082d0ca5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6558723e7d018dab5d6a0a5a5ccb5eae35b3ebf670f2a52bfbad715d082d0ca5", kill_on_drop: false }`
[INFO] [stdout] 6558723e7d018dab5d6a0a5a5ccb5eae35b3ebf670f2a52bfbad715d082d0ca5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 661f6287cdb376ce1fd2030b0dc2b7d02c65ab02613275cc615127041c0658c7
[INFO] running `Command { std: "docker" "start" "-a" "661f6287cdb376ce1fd2030b0dc2b7d02c65ab02613275cc615127041c0658c7", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/loop_fn.rs:23:27
[INFO] [stderr]    |
[INFO] [stderr] 23 |     _phantom: PhantomData<(Ctx)>,
[INFO] [stderr]    |                           ^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:168:31
[INFO] [stderr]     |
[INFO] [stderr] 168 |     fn boxed<'a>(self) -> Box<Transaction<Ctx = Self::Ctx, Item = Self::Item, Err = Self::Err> + 'a>
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Transaction<Ctx = Self::Ctx, Item = Self::Item, Err = Self::Err> + 'a`
[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:423:33
[INFO] [stderr]     |
[INFO] [stderr] 423 | impl<Ctx, T, E> Transaction for Fn(&mut Ctx) -> Result<T, E> {
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Ctx) -> Result<T, E>`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/loop_fn.rs:23:27
[INFO] [stderr]    |
[INFO] [stderr] 23 |     _phantom: PhantomData<(Ctx)>,
[INFO] [stderr]    |                           ^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:168:31
[INFO] [stderr]     |
[INFO] [stderr] 168 |     fn boxed<'a>(self) -> Box<Transaction<Ctx = Self::Ctx, Item = Self::Item, Err = Self::Err> + 'a>
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Transaction<Ctx = Self::Ctx, Item = Self::Item, Err = Self::Err> + 'a`
[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:423:33
[INFO] [stderr]     |
[INFO] [stderr] 423 | impl<Ctx, T, E> Transaction for Fn(&mut Ctx) -> Result<T, E> {
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Ctx) -> Result<T, E>`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/transaction-a244a1e7aff26d96
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests transaction
[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] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> /opt/rustwide/workdir/src/loop_fn.rs:23:27
[INFO] [stderr]    |
[INFO] [stderr] 23 |     _phantom: PhantomData<(Ctx)>,
[INFO] [stderr]    |                           ^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 21) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "661f6287cdb376ce1fd2030b0dc2b7d02c65ab02613275cc615127041c0658c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "661f6287cdb376ce1fd2030b0dc2b7d02c65ab02613275cc615127041c0658c7", kill_on_drop: false }`
[INFO] [stdout] 661f6287cdb376ce1fd2030b0dc2b7d02c65ab02613275cc615127041c0658c7