[INFO] fetching crate ludus 0.2.2...
[INFO] checking ludus-0.2.2 against master#7c59a81a5fcbaaca311f744cd7c68d99bfbb05d3 for pr-71873
[INFO] extracting crate ludus 0.2.2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate ludus 0.2.2 on toolchain 7c59a81a5fcbaaca311f744cd7c68d99bfbb05d3
[INFO] running `"/workspace/cargo-home/bin/cargo" "+7c59a81a5fcbaaca311f744cd7c68d99bfbb05d3" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-8/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+7c59a81a5fcbaaca311f744cd7c68d99bfbb05d3" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+7c59a81a5fcbaaca311f744cd7c68d99bfbb05d3" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+7c59a81a5fcbaaca311f744cd7c68d99bfbb05d3" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 389cb977f96c37741c7c05e6db523649868e8f6644919c6a9997366f6a5a1d20
[INFO] running `"docker" "start" "-a" "389cb977f96c37741c7c05e6db523649868e8f6644919c6a9997366f6a5a1d20"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.13
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling syn v1.0.22
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking ludus v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking crossbeam-utils v0.7.2
[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]     Checking itertools v0.8.2
[INFO] [stderr]     Checking crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking rayon-core v1.7.0
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking rand_xoshiro v0.1.0
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking criterion-plot v0.3.1
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]     Checking criterion v0.2.11
[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 dev [unoptimized + debuginfo] target(s) in 36.44s
[INFO] running `"docker" "inspect" "389cb977f96c37741c7c05e6db523649868e8f6644919c6a9997366f6a5a1d20"`
[INFO] running `"docker" "rm" "-f" "389cb977f96c37741c7c05e6db523649868e8f6644919c6a9997366f6a5a1d20"`
[INFO] [stdout] 389cb977f96c37741c7c05e6db523649868e8f6644919c6a9997366f6a5a1d20