[INFO] cloning repository https://github.com/brundonsmith/loading_dock
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/brundonsmith/loading_dock" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrundonsmith%2Floading_dock", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrundonsmith%2Floading_dock'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 19121fec9b909a06667bcf833f4cccbad16923fd
[INFO] testing brundonsmith/loading_dock against 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrundonsmith%2Floading_dock" "/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/brundonsmith/loading_dock on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/brundonsmith/loading_dock
[INFO] finished tweaking git repo https://github.com/brundonsmith/loading_dock
[INFO] tweaked toml for git repo https://github.com/brundonsmith/loading_dock written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/brundonsmith/loading_dock already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d5a9ddca0450d35edd4aff7e1057a3e6d532e9fa7debb9ab2382f9b6ec0c7588
[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" "d5a9ddca0450d35edd4aff7e1057a3e6d532e9fa7debb9ab2382f9b6ec0c7588", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d5a9ddca0450d35edd4aff7e1057a3e6d532e9fa7debb9ab2382f9b6ec0c7588", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5a9ddca0450d35edd4aff7e1057a3e6d532e9fa7debb9ab2382f9b6ec0c7588", kill_on_drop: false }`
[INFO] [stdout] d5a9ddca0450d35edd4aff7e1057a3e6d532e9fa7debb9ab2382f9b6ec0c7588
[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" "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" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5bcb2842637667000f96cd5950608ecdc3247cbebc56d101309c3d72353e1c2a
[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" "5bcb2842637667000f96cd5950608ecdc3247cbebc56d101309c3d72353e1c2a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]    Compiling serde v1.0.91
[INFO] [stderr]    Compiling half v1.3.0
[INFO] [stderr]    Compiling route-recognizer v0.1.12
[INFO] [stderr]    Compiling pathdiff v0.1.0
[INFO] [stderr]    Compiling backtrace v0.3.26
[INFO] [stderr]    Compiling tokio-sync v0.1.5
[INFO] [stderr]    Compiling openssl-sys v0.9.47
[INFO] [stderr]    Compiling want v0.0.6
[INFO] [stderr]    Compiling tokio-executor v0.1.7
[INFO] [stderr]    Compiling num_cpus v1.10.0
[INFO] [stderr]    Compiling nix v0.5.1
[INFO] [stderr]    Compiling inotify v0.2.3
[INFO] [stderr]    Compiling filetime v0.1.15
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling plugin v0.2.6
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling mio v0.6.19
[INFO] [stderr]    Compiling cookie v0.12.0
[INFO] [stderr]    Compiling miniz_oxide_c_api v0.2.1
[INFO] [stderr]    Compiling miow v0.1.5
[INFO] [stderr]    Compiling tokio-current-thread v0.1.6
[INFO] [stderr]    Compiling tokio-timer v0.2.11
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling hyper v0.10.16
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling tokio-threadpool v0.1.14
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling flate2 v1.0.7
[INFO] [stderr]    Compiling tokio-io v0.1.12
[INFO] [stderr]    Compiling http v0.1.17
[INFO] [stderr]    Compiling tokio-buf v0.1.1
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]    Compiling mime_guess v1.8.7
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]    Compiling openssl v0.10.23
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]    Compiling publicsuffix v1.5.2
[INFO] [stderr]    Compiling tokio-reactor v0.1.9
[INFO] [stderr]    Compiling mio v0.5.1
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling tokio v0.1.21
[INFO] [stderr]    Compiling notify v3.0.1
[INFO] [stderr]    Compiling iron v0.6.0
[INFO] [stderr]    Compiling router v0.6.0
[INFO] [stderr]    Compiling h2 v0.1.21
[INFO] [stderr]    Compiling http-body v0.1.0
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.92
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling hyper v0.12.29
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling hyper-tls v0.3.2
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]    Compiling serde_urlencoded v0.5.5
[INFO] [stderr]    Compiling serde_cbor v0.9.0
[INFO] [stderr]    Compiling cookie_store v0.7.0
[INFO] [stderr]    Compiling reqwest v0.9.17
[INFO] [stderr]    Compiling loading_dock v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `file_timestamps`
[INFO] [stdout]   --> src/requests.rs:19:22
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn greet_contact(file_timestamps: &'static Mutex<HashMap<PathBuf,Duration>>, other_nodes: &'static Mutex<HashSet<String>>, my_port: &...
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_timestamps`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/serialization.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn new(source: I, delimiter: T) -> Interspersed<T,I> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `foo`
[INFO] [stdout]   --> src/serialization.rs:38:4
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn foo() {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `deserialize_file_timestamps`
[INFO] [stdout]   --> src/serialization.rs:56:8
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub fn deserialize_file_timestamps(string: &str) -> HashMap<PathBuf,Duration> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::iter::Iterator::collect` that must be used
[INFO] [stdout]   --> src/serialization.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     Interspersed::new(vec![1, 2, 3, 4, 5].iter(), &0).collect::<Vec<&u32>>();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 07s
[INFO] running `Command { std: "docker" "inspect" "5bcb2842637667000f96cd5950608ecdc3247cbebc56d101309c3d72353e1c2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bcb2842637667000f96cd5950608ecdc3247cbebc56d101309c3d72353e1c2a", kill_on_drop: false }`
[INFO] [stdout] 5bcb2842637667000f96cd5950608ecdc3247cbebc56d101309c3d72353e1c2a
[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" "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" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb632fd44b6b4a40e0790ab0626e7e1e77d38019c651ed9b807903b2acb0bbfc
[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" "fb632fd44b6b4a40e0790ab0626e7e1e77d38019c651ed9b807903b2acb0bbfc", kill_on_drop: false }`
[INFO] [stderr]    Compiling loading_dock v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `file_timestamps`
[INFO] [stdout]   --> src/requests.rs:19:22
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn greet_contact(file_timestamps: &'static Mutex<HashMap<PathBuf,Duration>>, other_nodes: &'static Mutex<HashSet<String>>, my_port: &...
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_timestamps`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/serialization.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn new(source: I, delimiter: T) -> Interspersed<T,I> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `foo`
[INFO] [stdout]   --> src/serialization.rs:38:4
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn foo() {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `deserialize_file_timestamps`
[INFO] [stdout]   --> src/serialization.rs:56:8
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub fn deserialize_file_timestamps(string: &str) -> HashMap<PathBuf,Duration> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::iter::Iterator::collect` that must be used
[INFO] [stdout]   --> src/serialization.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     Interspersed::new(vec![1, 2, 3, 4, 5].iter(), &0).collect::<Vec<&u32>>();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.98s
[INFO] running `Command { std: "docker" "inspect" "fb632fd44b6b4a40e0790ab0626e7e1e77d38019c651ed9b807903b2acb0bbfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb632fd44b6b4a40e0790ab0626e7e1e77d38019c651ed9b807903b2acb0bbfc", kill_on_drop: false }`
[INFO] [stdout] fb632fd44b6b4a40e0790ab0626e7e1e77d38019c651ed9b807903b2acb0bbfc
[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" "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" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 63327202b02b9e01cae61cc08229f8745ffb78c9fe7fe194f39a5ce0f2837a5d
[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" "63327202b02b9e01cae61cc08229f8745ffb78c9fe7fe194f39a5ce0f2837a5d", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `file_timestamps`
[INFO] [stderr]   --> src/requests.rs:19:22
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub fn greet_contact(file_timestamps: &'static Mutex<HashMap<PathBuf,Duration>>, other_nodes: &'static Mutex<HashSet<String>>, my_port: &...
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_timestamps`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/serialization.rs:16:8
[INFO] [stderr]    |
[INFO] [stderr] 16 |     fn new(source: I, delimiter: T) -> Interspersed<T,I> {
[INFO] [stderr]    |        ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `foo`
[INFO] [stderr]   --> src/serialization.rs:38:4
[INFO] [stderr]    |
[INFO] [stderr] 38 | fn foo() {
[INFO] [stderr]    |    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `deserialize_file_timestamps`
[INFO] [stderr]   --> src/serialization.rs:56:8
[INFO] [stderr]    |
[INFO] [stderr] 56 | pub fn deserialize_file_timestamps(string: &str) -> HashMap<PathBuf,Duration> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
[INFO] [stderr]   --> src/serialization.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     Interspersed::new(vec![1, 2, 3, 4, 5].iter(), &0).collect::<Vec<&u32>>();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.38s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/loading_dock-cfe0c14e93e4926a
[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" "63327202b02b9e01cae61cc08229f8745ffb78c9fe7fe194f39a5ce0f2837a5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63327202b02b9e01cae61cc08229f8745ffb78c9fe7fe194f39a5ce0f2837a5d", kill_on_drop: false }`
[INFO] [stdout] 63327202b02b9e01cae61cc08229f8745ffb78c9fe7fe194f39a5ce0f2837a5d
