[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 beta-2020-06-03 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-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fterdal/playing-with-rust on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "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-6/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" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2020-06-03" "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] 62ccebda54066c7f43e43e006577bb95f71f7a87ce6307ee13949bc9f4a9c33f
[INFO] running `"docker" "start" "-a" "62ccebda54066c7f43e43e006577bb95f71f7a87ce6307ee13949bc9f4a9c33f"`
[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 8.19s
[INFO] running `"docker" "inspect" "62ccebda54066c7f43e43e006577bb95f71f7a87ce6307ee13949bc9f4a9c33f"`
[INFO] running `"docker" "rm" "-f" "62ccebda54066c7f43e43e006577bb95f71f7a87ce6307ee13949bc9f4a9c33f"`
[INFO] [stdout] 62ccebda54066c7f43e43e006577bb95f71f7a87ce6307ee13949bc9f4a9c33f
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2020-06-03" "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] fc65029b9fc09f96827672c45b610c2321ad27bbeac5f5bd0be22fb41fac3ce4
[INFO] running `"docker" "start" "-a" "fc65029b9fc09f96827672c45b610c2321ad27bbeac5f5bd0be22fb41fac3ce4"`
[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 0.73s
[INFO] running `"docker" "inspect" "fc65029b9fc09f96827672c45b610c2321ad27bbeac5f5bd0be22fb41fac3ce4"`
[INFO] running `"docker" "rm" "-f" "fc65029b9fc09f96827672c45b610c2321ad27bbeac5f5bd0be22fb41fac3ce4"`
[INFO] [stdout] fc65029b9fc09f96827672c45b610c2321ad27bbeac5f5bd0be22fb41fac3ce4
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2020-06-03" "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] 2eb68235cba71412aa0f4c2c464c7b4cc62ca5cd96e38c10406e81d191e879f9
[INFO] running `"docker" "start" "-a" "2eb68235cba71412aa0f4c2c464c7b4cc62ca5cd96e38c10406e81d191e879f9"`
[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 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/sample-344aed58c07f2586
[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" "2eb68235cba71412aa0f4c2c464c7b4cc62ca5cd96e38c10406e81d191e879f9"`
[INFO] running `"docker" "rm" "-f" "2eb68235cba71412aa0f4c2c464c7b4cc62ca5cd96e38c10406e81d191e879f9"`
[INFO] [stdout] 2eb68235cba71412aa0f4c2c464c7b4cc62ca5cd96e38c10406e81d191e879f9