[INFO] fetching crate yaecs 0.11.0...
[INFO] checking yaecs-0.11.0 against try#d93021f5faa26e4f9d2719e79f9974e06aa40e17 for pr-71873
[INFO] extracting crate yaecs 0.11.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate yaecs 0.11.0 on toolchain d93021f5faa26e4f9d2719e79f9974e06aa40e17
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d93021f5faa26e4f9d2719e79f9974e06aa40e17" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate yaecs 0.11.0
[INFO] finished tweaking crates.io crate yaecs 0.11.0
[INFO] tweaked toml for crates.io crate yaecs 0.11.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d93021f5faa26e4f9d2719e79f9974e06aa40e17" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d93021f5faa26e4f9d2719e79f9974e06aa40e17" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tabwriter v0.1.25
[INFO] [stderr]   Downloaded avow v0.1.0
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+d93021f5faa26e4f9d2719e79f9974e06aa40e17" "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] e22666e9add485f9aaffe64002369e06d805986c39ebe27fac676caa8fcd0735
[INFO] running `"docker" "start" "-a" "e22666e9add485f9aaffe64002369e06d805986c39ebe27fac676caa8fcd0735"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking anymap v0.12.1
[INFO] [stderr]     Checking tabwriter v0.1.25
[INFO] [stderr]     Checking yaecs v0.11.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/system.rs:8:16
[INFO] [stderr]   |
[INFO] [stderr] 8 | impl Debug for System {
[INFO] [stderr]   |                ^^^^^^ help: use `dyn`: `dyn System`
[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/world.rs:7:22
[INFO] [stderr]   |
[INFO] [stderr] 7 |     systems: Vec<Box<System>>,
[INFO] [stderr]   |                      ^^^^^^ help: use `dyn`: `dyn System`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking avow v0.1.0
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> examples/basic.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/system.rs:8:16
[INFO] [stderr]   |
[INFO] [stderr] 8 | impl Debug for System {
[INFO] [stderr]   |                ^^^^^^ help: use `dyn`: `dyn System`
[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/world.rs:7:22
[INFO] [stderr]   |
[INFO] [stderr] 7 |     systems: Vec<Box<System>>,
[INFO] [stderr]   |                      ^^^^^^ help: use `dyn`: `dyn System`
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/entities.rs:139:17
[INFO] [stderr]     |
[INFO] [stderr] 139 |             let mut unwrapped = results.pop().unwrap();
[INFO] [stderr]     |                 ----^^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.72s
[INFO] running `"docker" "inspect" "e22666e9add485f9aaffe64002369e06d805986c39ebe27fac676caa8fcd0735"`
[INFO] running `"docker" "rm" "-f" "e22666e9add485f9aaffe64002369e06d805986c39ebe27fac676caa8fcd0735"`
[INFO] [stdout] e22666e9add485f9aaffe64002369e06d805986c39ebe27fac676caa8fcd0735