[INFO] cloning repository https://github.com/dewaka/chainmap
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dewaka/chainmap" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdewaka%2Fchainmap", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdewaka%2Fchainmap'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9387f660b4bf73ef1ee5bb806f0b9c1effaa7306
[INFO] testing dewaka/chainmap against beta-2020-10-09 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdewaka%2Fchainmap" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dewaka/chainmap on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dewaka/chainmap
[INFO] finished tweaking git repo https://github.com/dewaka/chainmap
[INFO] tweaked toml for git repo https://github.com/dewaka/chainmap written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/dewaka/chainmap already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e18b96731facdc21cbc63a2656fd973aa99516866209947d766414354bdda105
[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" "e18b96731facdc21cbc63a2656fd973aa99516866209947d766414354bdda105", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e18b96731facdc21cbc63a2656fd973aa99516866209947d766414354bdda105", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e18b96731facdc21cbc63a2656fd973aa99516866209947d766414354bdda105", kill_on_drop: false }`
[INFO] [stdout] e18b96731facdc21cbc63a2656fd973aa99516866209947d766414354bdda105
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3423e0721d8652bc6927b280f8669f94cb586663b1c455c885821849f04dc22a
[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" "3423e0721d8652bc6927b280f8669f94cb586663b1c455c885821849f04dc22a", kill_on_drop: false }`
[INFO] [stderr]    Compiling chainmap v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/example.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let mut clothing = HashMap::new();
[INFO] [stdout]    |         ----^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `insert`
[INFO] [stdout]   --> src/lib.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn insert(&mut self, k: K, v: V) -> Option<V> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_empty`
[INFO] [stdout]   --> src/lib.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn is_empty(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `empty`
[INFO] [stdout]   --> src/lib.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn empty() -> Self {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_map`
[INFO] [stdout]   --> src/lib.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn add_map(&mut self, m: ChainMapType<K, V>) -> &mut Self {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_map`
[INFO] [stdout]   --> src/lib.rs:64:12
[INFO] [stdout]    |
[INFO] [stdout] 64 |     pub fn to_map(&self) -> ChainMapType<K, V> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parents`
[INFO] [stdout]   --> src/lib.rs:78:12
[INFO] [stdout]    |
[INFO] [stdout] 78 |     pub fn parents(&self) -> Option<Self> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `children`
[INFO] [stdout]   --> src/lib.rs:89:12
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn children(&self) -> Option<Self> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `Command { std: "docker" "inspect" "3423e0721d8652bc6927b280f8669f94cb586663b1c455c885821849f04dc22a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3423e0721d8652bc6927b280f8669f94cb586663b1c455c885821849f04dc22a", kill_on_drop: false }`
[INFO] [stdout] 3423e0721d8652bc6927b280f8669f94cb586663b1c455c885821849f04dc22a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f26e59ac8052246d13310a58615485f725d9632fcaa148dc2288324dbab2c6b2
[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" "f26e59ac8052246d13310a58615485f725d9632fcaa148dc2288324dbab2c6b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling chainmap v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/example.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let mut clothing = HashMap::new();
[INFO] [stdout]    |         ----^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.69s
[INFO] running `Command { std: "docker" "inspect" "f26e59ac8052246d13310a58615485f725d9632fcaa148dc2288324dbab2c6b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f26e59ac8052246d13310a58615485f725d9632fcaa148dc2288324dbab2c6b2", kill_on_drop: false }`
[INFO] [stdout] f26e59ac8052246d13310a58615485f725d9632fcaa148dc2288324dbab2c6b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen", 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] ef6565ad4ce97153db3975a3c7ddd08668ebb7fdc3c16835478849b50ea1ae02
[INFO] running `Command { std: "docker" "start" "-a" "ef6565ad4ce97153db3975a3c7ddd08668ebb7fdc3c16835478849b50ea1ae02", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/example.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let mut clothing = HashMap::new();
[INFO] [stderr]    |         ----^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` 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/chainmap-b73ece54cea56981
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/chainmap_example-d5a351e1fff01127
[INFO] [stdout] test tests::test_chainmap_insert ... ok
[INFO] [stdout] test tests::test_chainmap_get ... ok
[INFO] [stdout] test tests::test_chainmap_add_map ... ok
[INFO] [stdout] test tests::test_chainmap_to_map ... ok
[INFO] [stdout] test tests::test_chainmap_empty ... ok
[INFO] [stdout] test tests::test_chainmap_parents ... ok
[INFO] [stdout] test tests::test_chainmap_children ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test lib::tests::test_chainmap_get ... ok
[INFO] [stderr]    Doc-tests chainmap
[INFO] [stdout] test lib::tests::test_chainmap_parents ... ok
[INFO] [stdout] test lib::tests::test_chainmap_insert ... ok
[INFO] [stdout] test lib::tests::test_chainmap_add_map ... ok
[INFO] [stdout] test lib::tests::test_chainmap_to_map ... ok
[INFO] [stdout] test lib::tests::test_chainmap_empty ... ok
[INFO] [stdout] test lib::tests::test_chainmap_children ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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 `Command { std: "docker" "inspect" "ef6565ad4ce97153db3975a3c7ddd08668ebb7fdc3c16835478849b50ea1ae02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef6565ad4ce97153db3975a3c7ddd08668ebb7fdc3c16835478849b50ea1ae02", kill_on_drop: false }`
[INFO] [stdout] ef6565ad4ce97153db3975a3c7ddd08668ebb7fdc3c16835478849b50ea1ae02
