[INFO] updating cached repository https://github.com/fterdal/playing-with-rust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 922450777dff53585d493fb8ee1c0e06b7340ed9
[INFO] testing fterdal/playing-with-rust against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffterdal%2Fplaying-with-rust" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fterdal/playing-with-rust on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/fterdal/playing-with-rust
[INFO] finished tweaking git repo https://github.com/fterdal/playing-with-rust
[INFO] tweaked toml for git repo https://github.com/fterdal/playing-with-rust written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/fterdal/playing-with-rust already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b05577932e3265ca069c394c2ab28ac24972ea007a1def37306c856ae837075f
[INFO] running `"docker" "start" "-a" "b05577932e3265ca069c394c2ab28ac24972ea007a1def37306c856ae837075f"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling getrandom v0.1.11
[INFO] [stderr]    Compiling ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling rand_core v0.5.0
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.0
[INFO] [stderr]    Compiling sample v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `DuckPond`
[INFO] [stderr]  --> src/main.rs:2:26
[INFO] [stderr]   |
[INFO] [stderr] 2 | use duck_reducer::{Duck, DuckPond, Store};
[INFO] [stderr]   |                          ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.11s
[INFO] running `"docker" "inspect" "b05577932e3265ca069c394c2ab28ac24972ea007a1def37306c856ae837075f"`
[INFO] running `"docker" "rm" "-f" "b05577932e3265ca069c394c2ab28ac24972ea007a1def37306c856ae837075f"`
[INFO] [stdout] b05577932e3265ca069c394c2ab28ac24972ea007a1def37306c856ae837075f
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0df4425cd2598915d8d62dc0f6ba9b82c2460173e922bc97873c2ab6e77bda11
[INFO] running `"docker" "start" "-a" "0df4425cd2598915d8d62dc0f6ba9b82c2460173e922bc97873c2ab6e77bda11"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling sample v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `DuckPond`
[INFO] [stderr]  --> src/main.rs:2:26
[INFO] [stderr]   |
[INFO] [stderr] 2 | use duck_reducer::{Duck, DuckPond, Store};
[INFO] [stderr]   |                          ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `"docker" "inspect" "0df4425cd2598915d8d62dc0f6ba9b82c2460173e922bc97873c2ab6e77bda11"`
[INFO] running `"docker" "rm" "-f" "0df4425cd2598915d8d62dc0f6ba9b82c2460173e922bc97873c2ab6e77bda11"`
[INFO] [stdout] 0df4425cd2598915d8d62dc0f6ba9b82c2460173e922bc97873c2ab6e77bda11
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2684ee9c3101399c70949f8a054f578a6a59619c4fd656b7ff26a9cbbf971cd7
[INFO] running `"docker" "start" "-a" "2684ee9c3101399c70949f8a054f578a6a59619c4fd656b7ff26a9cbbf971cd7"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused import: `DuckPond`
[INFO] [stderr]  --> src/main.rs:2:26
[INFO] [stderr]   |
[INFO] [stderr] 2 | use duck_reducer::{Duck, DuckPond, Store};
[INFO] [stderr]   |                          ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/sample-412f8c87c9767bd1
[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 `"docker" "inspect" "2684ee9c3101399c70949f8a054f578a6a59619c4fd656b7ff26a9cbbf971cd7"`
[INFO] running `"docker" "rm" "-f" "2684ee9c3101399c70949f8a054f578a6a59619c4fd656b7ff26a9cbbf971cd7"`
[INFO] [stdout] 2684ee9c3101399c70949f8a054f578a6a59619c4fd656b7ff26a9cbbf971cd7