[INFO] updating cached repository https://github.com/rosarinjroy/rust_anagram_solver
[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] 4074d8221095ed844a9a01a79d1c65a8e439df6b
[INFO] testing rosarinjroy/rust_anagram_solver against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frosarinjroy%2Frust_anagram_solver" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rosarinjroy/rust_anagram_solver 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/rosarinjroy/rust_anagram_solver
[INFO] finished tweaking git repo https://github.com/rosarinjroy/rust_anagram_solver
[INFO] tweaked toml for git repo https://github.com/rosarinjroy/rust_anagram_solver written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/rosarinjroy/rust_anagram_solver 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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 4f0424f9a48940d49701aec7e7bc8b557b39e259091c648d48e78cdfdff0b18c
[INFO] running `"docker" "start" "-a" "4f0424f9a48940d49701aec7e7bc8b557b39e259091c648d48e78cdfdff0b18c"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling rust_anagram_solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:45:13
[INFO] [stderr]    |
[INFO] [stderr] 45 |             Error::description(&why)),
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.66s
[INFO] running `"docker" "inspect" "4f0424f9a48940d49701aec7e7bc8b557b39e259091c648d48e78cdfdff0b18c"`
[INFO] running `"docker" "rm" "-f" "4f0424f9a48940d49701aec7e7bc8b557b39e259091c648d48e78cdfdff0b18c"`
[INFO] [stdout] 4f0424f9a48940d49701aec7e7bc8b557b39e259091c648d48e78cdfdff0b18c
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] a81ae7d8bc1b61f66c545ad176e2d0098203a526e9eb966ac8f0d7d7eabf5e4c
[INFO] running `"docker" "start" "-a" "a81ae7d8bc1b61f66c545ad176e2d0098203a526e9eb966ac8f0d7d7eabf5e4c"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling rust_anagram_solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:45:13
[INFO] [stderr]    |
[INFO] [stderr] 45 |             Error::description(&why)),
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `"docker" "inspect" "a81ae7d8bc1b61f66c545ad176e2d0098203a526e9eb966ac8f0d7d7eabf5e4c"`
[INFO] running `"docker" "rm" "-f" "a81ae7d8bc1b61f66c545ad176e2d0098203a526e9eb966ac8f0d7d7eabf5e4c"`
[INFO] [stdout] a81ae7d8bc1b61f66c545ad176e2d0098203a526e9eb966ac8f0d7d7eabf5e4c
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 27a9c67cd2b9bb633c002646cbd8146a924cb2021aeb58af9a2a9e93966c7440
[INFO] running `"docker" "start" "-a" "27a9c67cd2b9bb633c002646cbd8146a924cb2021aeb58af9a2a9e93966c7440"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:45:13
[INFO] [stderr]    |
[INFO] [stderr] 45 |             Error::description(&why)),
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_anagram_solver-9659a1f92de8e810
[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" "27a9c67cd2b9bb633c002646cbd8146a924cb2021aeb58af9a2a9e93966c7440"`
[INFO] running `"docker" "rm" "-f" "27a9c67cd2b9bb633c002646cbd8146a924cb2021aeb58af9a2a9e93966c7440"`
[INFO] [stdout] 27a9c67cd2b9bb633c002646cbd8146a924cb2021aeb58af9a2a9e93966c7440