[INFO] cloning repository https://github.com/AntonZelenin/rust-kvs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AntonZelenin/rust-kvs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAntonZelenin%2Frust-kvs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAntonZelenin%2Frust-kvs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c7ff4b0965e6b8e3963f84689080b5e3f2ffffb0 [INFO] testing AntonZelenin/rust-kvs against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAntonZelenin%2Frust-kvs" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/AntonZelenin/rust-kvs on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/AntonZelenin/rust-kvs [INFO] finished tweaking git repo https://github.com/AntonZelenin/rust-kvs [INFO] tweaked toml for git repo https://github.com/AntonZelenin/rust-kvs written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/AntonZelenin/rust-kvs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", 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] d78fd0ff589774a7e9395dd9fee2520b02fc545d1976a27314369a2d2ad0f80f [INFO] running `Command { std: "docker" "start" "-a" "d78fd0ff589774a7e9395dd9fee2520b02fc545d1976a27314369a2d2ad0f80f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d78fd0ff589774a7e9395dd9fee2520b02fc545d1976a27314369a2d2ad0f80f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d78fd0ff589774a7e9395dd9fee2520b02fc545d1976a27314369a2d2ad0f80f", kill_on_drop: false }` [INFO] [stdout] d78fd0ff589774a7e9395dd9fee2520b02fc545d1976a27314369a2d2ad0f80f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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] 9f63ec892af70d6cd05b0849c13a6ae41f0e8d450210d2ea2b812903ba1851a6 [INFO] running `Command { std: "docker" "start" "-a" "9f63ec892af70d6cd05b0849c13a6ae41f0e8d450210d2ea2b812903ba1851a6", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.65 [INFO] [stderr] Compiling bitflags v1.1.0 [INFO] [stderr] Compiling unicode-width v0.1.5 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling yaml-rust v0.3.5 [INFO] [stderr] Compiling vec_map v0.8.1 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling atty v0.2.11 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling kvs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/bin/kvs.rs:9:13 [INFO] [stdout] | [INFO] [stdout] 9 | let key = matches.value_of("KEY").unwrap(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/bin/kvs.rs:10:13 [INFO] [stdout] | [INFO] [stdout] 10 | let value = matches.value_of("VALUE").unwrap(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/bin/kvs.rs:14:13 [INFO] [stdout] | [INFO] [stdout] 14 | let key = matches.value_of("KEY").unwrap(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/bin/kvs.rs:18:13 [INFO] [stdout] | [INFO] [stdout] 18 | let key = matches.value_of("KEY").unwrap(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 11.64s [INFO] running `Command { std: "docker" "inspect" "9f63ec892af70d6cd05b0849c13a6ae41f0e8d450210d2ea2b812903ba1851a6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9f63ec892af70d6cd05b0849c13a6ae41f0e8d450210d2ea2b812903ba1851a6", kill_on_drop: false }` [INFO] [stdout] 9f63ec892af70d6cd05b0849c13a6ae41f0e8d450210d2ea2b812903ba1851a6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7458ab9aecbc6ef4b0175d397b87189cbeff1d71efead929215c1095b6428a3a [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" "7458ab9aecbc6ef4b0175d397b87189cbeff1d71efead929215c1095b6428a3a", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling autocfg v0.1.4 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling syn v0.15.39 [INFO] [stderr] Compiling cfg-if v0.1.9 [INFO] [stderr] Compiling serde v1.0.101 [INFO] [stderr] Compiling lazy_static v1.3.0 [INFO] [stderr] Compiling indexmap v1.2.0 [INFO] [stderr] Compiling ucd-util v0.1.3 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling escargot v0.4.0 [INFO] [stderr] Compiling syn v1.0.5 [INFO] [stderr] Compiling difference v2.0.0 [INFO] [stderr] Compiling normalize-line-endings v0.2.2 [INFO] [stderr] Compiling time v0.1.42 [INFO] [stderr] Compiling aho-corasick v0.7.4 [INFO] [stderr] Compiling getrandom v0.1.12 [INFO] [stderr] Compiling log v0.4.6 [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/bin/kvs.rs:9:13 [INFO] [stdout] | [INFO] [stdout] 9 | let key = matches.value_of("KEY").unwrap(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/bin/kvs.rs:10:13 [INFO] [stdout] | [INFO] [stdout] 10 | let value = matches.value_of("VALUE").unwrap(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/bin/kvs.rs:14:13 [INFO] [stdout] | [INFO] [stdout] 14 | let key = matches.value_of("KEY").unwrap(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/bin/kvs.rs:18:13 [INFO] [stdout] | [INFO] [stdout] 18 | let key = matches.value_of("KEY").unwrap(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling regex-syntax v0.6.8 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling rand_chacha v0.2.1 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling rand v0.7.2 [INFO] [stderr] Compiling quote v0.6.12 [INFO] [stderr] Compiling float-cmp v0.4.0 [INFO] [stderr] Compiling chrono v0.4.9 [INFO] [stderr] Compiling regex v1.1.9 [INFO] [stderr] Compiling num-derive v0.3.0 [INFO] [stderr] Compiling predicates v1.0.1 [INFO] [stderr] Compiling serde_derive v1.0.94 [INFO] [stderr] Compiling serde_json v1.0.41 [INFO] [stderr] Compiling ron v0.5.1 [INFO] [stderr] Compiling bson v0.14.0 [INFO] [stderr] Compiling assert_cmd v0.11.1 [INFO] [stderr] Compiling kvs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> examples/serde.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 22 | f.write(&serde_json::to_string(&a).unwrap().as_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> examples/serde.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | f.seek(SeekFrom::Start(0)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> examples/serde.rs:26:5 [INFO] [stdout] | [INFO] [stdout] 26 | f.read_to_string(&mut b); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 46.10s [INFO] running `Command { std: "docker" "inspect" "7458ab9aecbc6ef4b0175d397b87189cbeff1d71efead929215c1095b6428a3a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7458ab9aecbc6ef4b0175d397b87189cbeff1d71efead929215c1095b6428a3a", kill_on_drop: false }` [INFO] [stdout] 7458ab9aecbc6ef4b0175d397b87189cbeff1d71efead929215c1095b6428a3a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 26bb76f3541da37923070f6d6478d0ab3bea34886aa71c8335f3590079f4f73e [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" "26bb76f3541da37923070f6d6478d0ab3bea34886aa71c8335f3590079f4f73e", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `key` [INFO] [stderr] --> src/bin/kvs.rs:9:13 [INFO] [stderr] | [INFO] [stderr] 9 | let key = matches.value_of("KEY").unwrap(); [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value` [INFO] [stderr] --> src/bin/kvs.rs:10:13 [INFO] [stderr] | [INFO] [stderr] 10 | let value = matches.value_of("VALUE").unwrap(); [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `key` [INFO] [stderr] --> src/bin/kvs.rs:14:13 [INFO] [stderr] | [INFO] [stderr] 14 | let key = matches.value_of("KEY").unwrap(); [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `key` [INFO] [stderr] --> src/bin/kvs.rs:18:13 [INFO] [stderr] | [INFO] [stderr] 18 | let key = matches.value_of("KEY").unwrap(); [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> examples/serde.rs:22:5 [INFO] [stderr] | [INFO] [stderr] 22 | f.write(&serde_json::to_string(&a).unwrap().as_bytes()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> examples/serde.rs:23:5 [INFO] [stderr] | [INFO] [stderr] 23 | f.seek(SeekFrom::Start(0)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> examples/serde.rs:26:5 [INFO] [stderr] | [INFO] [stderr] 26 | f.read_to_string(&mut b); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.09s [INFO] [stderr] Running tests/tests.rs (/opt/rustwide/target/debug/deps/tests-417665c35000f6aa) [INFO] [stdout] [INFO] [stdout] running 13 tests [INFO] [stdout] test remove_key ... ok [INFO] [stdout] test get_non_existent_value ... ok [INFO] [stdout] test overwrite_value ... ok [INFO] [stdout] test get_stored_value ... ok [INFO] [stdout] test cli_version ... ok [INFO] [stdout] test cli_rm ... ok [INFO] [stdout] test cli_get ... ok [INFO] [stdout] test cli_invalid_subcommand ... ok [INFO] [stdout] test cli_no_args ... ok [INFO] [stdout] test cli_invalid_get ... ok [INFO] [stdout] test cli_invalid_rm ... ok [INFO] [stdout] test cli_set ... ok [INFO] [stdout] test cli_invalid_set ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "26bb76f3541da37923070f6d6478d0ab3bea34886aa71c8335f3590079f4f73e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "26bb76f3541da37923070f6d6478d0ab3bea34886aa71c8335f3590079f4f73e", kill_on_drop: false }` [INFO] [stdout] 26bb76f3541da37923070f6d6478d0ab3bea34886aa71c8335f3590079f4f73e