[INFO] updating cached repository https://github.com/jlmanriquez/tikv-training
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] db9462196ec87ea6c90ce665190e1c24dc3d56e4
[INFO] testing jlmanriquez/tikv-training against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjlmanriquez%2Ftikv-training" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jlmanriquez/tikv-training on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jlmanriquez/tikv-training
[INFO] finished tweaking git repo https://github.com/jlmanriquez/tikv-training
[INFO] tweaked toml for git repo https://github.com/jlmanriquez/tikv-training written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/jlmanriquez/tikv-training already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef1e596120b63beca91edd9d19657a64b21c048f511a811a5024d3d98bf30344
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ef1e596120b63beca91edd9d19657a64b21c048f511a811a5024d3d98bf30344", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef1e596120b63beca91edd9d19657a64b21c048f511a811a5024d3d98bf30344", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef1e596120b63beca91edd9d19657a64b21c048f511a811a5024d3d98bf30344", kill_on_drop: false }`
[INFO] [stdout] ef1e596120b63beca91edd9d19657a64b21c048f511a811a5024d3d98bf30344
[INFO] running `Command { std: "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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 00786f6bc9c47e81d9d0e3e128fb34bb5d794110bea6391c7399da04c93e4dba
[INFO] running `Command { std: "docker" "start" "-a" "00786f6bc9c47e81d9d0e3e128fb34bb5d794110bea6391c7399da04c93e4dba", kill_on_drop: false }`
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling kvs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/bin/kvs.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | /     match app.subcommand() {
[INFO] [stdout] 27 | |         ("set", _matches) => panic!("unimplemented"),
[INFO] [stdout] 28 | |         ("get", _matches) => panic!("unimplemented"),
[INFO] [stdout] 29 | |         ("rm", _matches) => panic!("unimplemented"),
[INFO] [stdout] 30 | |         _ => return Err("subcommand 'set' is required"),
[INFO] [stdout] 31 | |     }
[INFO] [stdout]    | |_____- any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stdout] 32 | 
[INFO] [stdout] 33 |       Ok(())
[INFO] [stdout]    |       ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.63s
[INFO] running `Command { std: "docker" "inspect" "00786f6bc9c47e81d9d0e3e128fb34bb5d794110bea6391c7399da04c93e4dba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00786f6bc9c47e81d9d0e3e128fb34bb5d794110bea6391c7399da04c93e4dba", kill_on_drop: false }`
[INFO] [stdout] 00786f6bc9c47e81d9d0e3e128fb34bb5d794110bea6391c7399da04c93e4dba
[INFO] running `Command { std: "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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 28f759eb6188216b1b1a452f8d96d5bc8631a13da22125717ab557e24894af68
[INFO] running `Command { std: "docker" "start" "-a" "28f759eb6188216b1b1a452f8d96d5bc8631a13da22125717ab557e24894af68", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.19
[INFO] [stderr]    Compiling escargot v0.4.0
[INFO] [stderr]    Compiling predicates-core v1.0.0
[INFO] [stderr]    Compiling treeline v0.1.0
[INFO] [stderr]    Compiling normalize-line-endings v0.3.0
[INFO] [stderr]    Compiling float-cmp v0.6.0
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/bin/kvs.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | /     match app.subcommand() {
[INFO] [stdout] 27 | |         ("set", _matches) => panic!("unimplemented"),
[INFO] [stdout] 28 | |         ("get", _matches) => panic!("unimplemented"),
[INFO] [stdout] 29 | |         ("rm", _matches) => panic!("unimplemented"),
[INFO] [stdout] 30 | |         _ => return Err("subcommand 'set' is required"),
[INFO] [stdout] 31 | |     }
[INFO] [stdout]    | |_____- any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stdout] 32 | 
[INFO] [stdout] 33 |       Ok(())
[INFO] [stdout]    |       ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling predicates-tree v1.0.0
[INFO] [stderr]    Compiling predicates v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]    Compiling serde_json v1.0.53
[INFO] [stderr]    Compiling assert_cmd v0.11.1
[INFO] [stderr]    Compiling kvs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 34.79s
[INFO] running `Command { std: "docker" "inspect" "28f759eb6188216b1b1a452f8d96d5bc8631a13da22125717ab557e24894af68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28f759eb6188216b1b1a452f8d96d5bc8631a13da22125717ab557e24894af68", kill_on_drop: false }`
[INFO] [stdout] 28f759eb6188216b1b1a452f8d96d5bc8631a13da22125717ab557e24894af68
[INFO] running `Command { std: "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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 178ec64156ed64e56be32002fdebfa503562dedc395fab74a83616e55b08616c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "178ec64156ed64e56be32002fdebfa503562dedc395fab74a83616e55b08616c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/bin/kvs.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 26 | /     match app.subcommand() {
[INFO] [stderr] 27 | |         ("set", _matches) => panic!("unimplemented"),
[INFO] [stderr] 28 | |         ("get", _matches) => panic!("unimplemented"),
[INFO] [stderr] 29 | |         ("rm", _matches) => panic!("unimplemented"),
[INFO] [stderr] 30 | |         _ => return Err("subcommand 'set' is required"),
[INFO] [stderr] 31 | |     }
[INFO] [stderr]    | |_____- any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stderr] 32 | 
[INFO] [stderr] 33 |       Ok(())
[INFO] [stderr]    |       ^^^^^^ unreachable expression
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.70s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tests-a957e5e7e9e526de
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test get_non_existent_value ... ok
[INFO] [stdout] test get_stored_value ... ok
[INFO] [stdout] test remove_key ... ok
[INFO] [stdout] test overwrite_value ... ok
[INFO] [stdout] test cli_invalid_get ... ok
[INFO] [stdout] test cli_version ... ok
[INFO] [stdout] test cli_no_args ... ok
[INFO] [stdout] test cli_invalid_subcommand ... ok
[INFO] [stdout] test cli_invalid_rm ... ok
[INFO] [stdout] test cli_invalid_set ... ok
[INFO] [stdout] test cli_get ... ok
[INFO] [stdout] test cli_set ... ok
[INFO] [stdout] test cli_rm ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "178ec64156ed64e56be32002fdebfa503562dedc395fab74a83616e55b08616c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "178ec64156ed64e56be32002fdebfa503562dedc395fab74a83616e55b08616c", kill_on_drop: false }`
[INFO] [stdout] 178ec64156ed64e56be32002fdebfa503562dedc395fab74a83616e55b08616c