[INFO] updating cached repository https://github.com/Tmplt/d7018e-assignment3
[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] 92eb630c6ba0be093107cea7c739824dfe819f43
[INFO] testing Tmplt/d7018e-assignment3 against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTmplt%2Fd7018e-assignment3" "/workspace/builds/worker-13/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Tmplt/d7018e-assignment3 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/Tmplt/d7018e-assignment3
[INFO] finished tweaking git repo https://github.com/Tmplt/d7018e-assignment3
[INFO] tweaked toml for git repo https://github.com/Tmplt/d7018e-assignment3 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/Tmplt/d7018e-assignment3 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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 985a76d0bb9d7a0ff095d61f9250b5ea338e08744b6bcf92de0fcee94e6f6567
[INFO] running `"docker" "start" "-a" "985a76d0bb9d7a0ff095d61f9250b5ea338e08744b6bcf92de0fcee94e6f6567"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling d7018e-assign3 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `abc`
[INFO] [stderr]   --> src/main.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 |     let abc: [u32; 4] = [
[INFO] [stderr]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_abc`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `"docker" "inspect" "985a76d0bb9d7a0ff095d61f9250b5ea338e08744b6bcf92de0fcee94e6f6567"`
[INFO] running `"docker" "rm" "-f" "985a76d0bb9d7a0ff095d61f9250b5ea338e08744b6bcf92de0fcee94e6f6567"`
[INFO] [stdout] 985a76d0bb9d7a0ff095d61f9250b5ea338e08744b6bcf92de0fcee94e6f6567
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 3bacb520e453d1a94cc94e901a8ac1eb8487f9ca4bcee5424096b856511872c6
[INFO] running `"docker" "start" "-a" "3bacb520e453d1a94cc94e901a8ac1eb8487f9ca4bcee5424096b856511872c6"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling d7018e-assign3 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `abc`
[INFO] [stderr]   --> src/main.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 |     let abc: [u32; 4] = [
[INFO] [stderr]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_abc`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `"docker" "inspect" "3bacb520e453d1a94cc94e901a8ac1eb8487f9ca4bcee5424096b856511872c6"`
[INFO] running `"docker" "rm" "-f" "3bacb520e453d1a94cc94e901a8ac1eb8487f9ca4bcee5424096b856511872c6"`
[INFO] [stdout] 3bacb520e453d1a94cc94e901a8ac1eb8487f9ca4bcee5424096b856511872c6
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 039973687f3ec894c049246054ff9c6a61e05af715a7d4bd95b4fcfa16a1b43d
[INFO] running `"docker" "start" "-a" "039973687f3ec894c049246054ff9c6a61e05af715a7d4bd95b4fcfa16a1b43d"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[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] [stderr] warning: unused variable: `abc`
[INFO] [stderr]   --> src/main.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 |     let abc: [u32; 4] = [
[INFO] [stderr]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_abc`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` 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/d7018e_assign3-ae3ebb71c04143ea
[INFO] running `"docker" "inspect" "039973687f3ec894c049246054ff9c6a61e05af715a7d4bd95b4fcfa16a1b43d"`
[INFO] running `"docker" "rm" "-f" "039973687f3ec894c049246054ff9c6a61e05af715a7d4bd95b4fcfa16a1b43d"`
[INFO] [stdout] 039973687f3ec894c049246054ff9c6a61e05af715a7d4bd95b4fcfa16a1b43d