[INFO] fetching crate ludus 0.2.2...
[INFO] testing ludus-0.2.2 against 1.49.0 for beta-1.50-1
[INFO] extracting crate ludus 0.2.2 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate ludus 0.2.2 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 ludus 0.2.2
[INFO] finished tweaking crates.io crate ludus 0.2.2
[INFO] tweaked toml for crates.io crate ludus 0.2.2 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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/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] 3979d1a89b52259c3f515d4b662a3f27912912e8fcd524a91fc94444a8cbab7b
[INFO] running `Command { std: "docker" "start" "-a" "3979d1a89b52259c3f515d4b662a3f27912912e8fcd524a91fc94444a8cbab7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3979d1a89b52259c3f515d4b662a3f27912912e8fcd524a91fc94444a8cbab7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3979d1a89b52259c3f515d4b662a3f27912912e8fcd524a91fc94444a8cbab7b", kill_on_drop: false }`
[INFO] [stdout] 3979d1a89b52259c3f515d4b662a3f27912912e8fcd524a91fc94444a8cbab7b
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dee1f1948441a508eba1ae685a8455138043d9b81eb4e52da045921e889bc77e
[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" "dee1f1948441a508eba1ae685a8455138043d9b81eb4e52da045921e889bc77e", kill_on_drop: false }`
[INFO] [stderr]    Compiling ludus v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/memory/mod.rs:17:6
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl Mapper {
[INFO] [stdout]    |      ^^^^^^ help: use `dyn`: `dyn Mapper`
[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/memory/mod.rs:20:41
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn with_cart(cart: Cart) -> Box<Mapper> {
[INFO] [stdout]    |                                         ^^^^^^ help: use `dyn`: `dyn Mapper`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/memory/mod.rs:33:21
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub mapper: Box<Mapper>,
[INFO] [stdout]    |                     ^^^^^^ help: use `dyn`: `dyn Mapper`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ppu.rs:344:43
[INFO] [stdout]     |
[INFO] [stdout] 344 |     fn write_data(&mut self, mapper: &mut Mapper, value: u8) {
[INFO] [stdout]     |                                           ^^^^^^ help: use `dyn`: `dyn Mapper`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.42s
[INFO] running `Command { std: "docker" "inspect" "dee1f1948441a508eba1ae685a8455138043d9b81eb4e52da045921e889bc77e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dee1f1948441a508eba1ae685a8455138043d9b81eb4e52da045921e889bc77e", kill_on_drop: false }`
[INFO] [stdout] dee1f1948441a508eba1ae685a8455138043d9b81eb4e52da045921e889bc77e
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", 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] b567efb72a4a400089837bd912925d76bb07385c2be374aeb51e46b75ea0af81
[INFO] running `Command { std: "docker" "start" "-a" "b567efb72a4a400089837bd912925d76bb07385c2be374aeb51e46b75ea0af81", kill_on_drop: false }`
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/memory/mod.rs:17:6
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl Mapper {
[INFO] [stdout]    |      ^^^^^^ help: use `dyn`: `dyn Mapper`
[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/memory/mod.rs:20:41
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn with_cart(cart: Cart) -> Box<Mapper> {
[INFO] [stdout]    |                                         ^^^^^^ help: use `dyn`: `dyn Mapper`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/memory/mod.rs:33:21
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub mapper: Box<Mapper>,
[INFO] [stdout]    |                     ^^^^^^ help: use `dyn`: `dyn Mapper`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ppu.rs:344:43
[INFO] [stdout]     |
[INFO] [stdout] 344 |     fn write_data(&mut self, mapper: &mut Mapper, value: u8) {
[INFO] [stdout]     |                                           ^^^^^^ help: use `dyn`: `dyn Mapper`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling tinytemplate v1.2.0
[INFO] [stderr]    Compiling criterion-plot v0.3.1
[INFO] [stderr]    Compiling rand_xoshiro v0.1.0
[INFO] [stderr]    Compiling bstr v0.2.14
[INFO] [stderr]    Compiling csv v1.1.5
[INFO] [stderr]    Compiling criterion v0.2.11
[INFO] [stderr]    Compiling ludus v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/memory/mod.rs:17:6
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl Mapper {
[INFO] [stdout]    |      ^^^^^^ help: use `dyn`: `dyn Mapper`
[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/memory/mod.rs:20:41
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn with_cart(cart: Cart) -> Box<Mapper> {
[INFO] [stdout]    |                                         ^^^^^^ help: use `dyn`: `dyn Mapper`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/memory/mod.rs:33:21
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub mapper: Box<Mapper>,
[INFO] [stdout]    |                     ^^^^^^ help: use `dyn`: `dyn Mapper`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ppu.rs:344:43
[INFO] [stdout]     |
[INFO] [stdout] 344 |     fn write_data(&mut self, mapper: &mut Mapper, value: u8) {
[INFO] [stdout]     |                                           ^^^^^^ help: use `dyn`: `dyn Mapper`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 19.75s
[INFO] running `Command { std: "docker" "inspect" "b567efb72a4a400089837bd912925d76bb07385c2be374aeb51e46b75ea0af81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b567efb72a4a400089837bd912925d76bb07385c2be374aeb51e46b75ea0af81", kill_on_drop: false }`
[INFO] [stdout] b567efb72a4a400089837bd912925d76bb07385c2be374aeb51e46b75ea0af81
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b36406b035d9ff757eb5fcc9bb12e011df756c2e61d16d322dd094f2efa0651e
[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" "b36406b035d9ff757eb5fcc9bb12e011df756c2e61d16d322dd094f2efa0651e", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/memory/mod.rs:17:6
[INFO] [stderr]    |
[INFO] [stderr] 17 | impl Mapper {
[INFO] [stderr]    |      ^^^^^^ help: use `dyn`: `dyn Mapper`
[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/memory/mod.rs:20:41
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn with_cart(cart: Cart) -> Box<Mapper> {
[INFO] [stderr]    |                                         ^^^^^^ help: use `dyn`: `dyn Mapper`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/memory/mod.rs:33:21
[INFO] [stderr]    |
[INFO] [stderr] 33 |     pub mapper: Box<Mapper>,
[INFO] [stderr]    |                     ^^^^^^ help: use `dyn`: `dyn Mapper`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ppu.rs:344:43
[INFO] [stderr]     |
[INFO] [stderr] 344 |     fn write_data(&mut self, mapper: &mut Mapper, value: u8) {
[INFO] [stderr]     |                                           ^^^^^^ help: use `dyn`: `dyn Mapper`
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/memory/mod.rs:17:6
[INFO] [stderr]    |
[INFO] [stderr] 17 | impl Mapper {
[INFO] [stderr]    |      ^^^^^^ help: use `dyn`: `dyn Mapper`
[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/memory/mod.rs:20:41
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn with_cart(cart: Cart) -> Box<Mapper> {
[INFO] [stderr]    |                                         ^^^^^^ help: use `dyn`: `dyn Mapper`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/memory/mod.rs:33:21
[INFO] [stderr]    |
[INFO] [stderr] 33 |     pub mapper: Box<Mapper>,
[INFO] [stderr]    |                     ^^^^^^ help: use `dyn`: `dyn Mapper`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ppu.rs:344:43
[INFO] [stderr]     |
[INFO] [stderr] 344 |     fn write_data(&mut self, mapper: &mut Mapper, value: u8) {
[INFO] [stderr]     |                                           ^^^^^^ help: use `dyn`: `dyn Mapper`
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ludus-78d3a8e0156edde0
[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]    Doc-tests ludus
[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" "b36406b035d9ff757eb5fcc9bb12e011df756c2e61d16d322dd094f2efa0651e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b36406b035d9ff757eb5fcc9bb12e011df756c2e61d16d322dd094f2efa0651e", kill_on_drop: false }`
[INFO] [stdout] b36406b035d9ff757eb5fcc9bb12e011df756c2e61d16d322dd094f2efa0651e