[INFO] cloning repository https://github.com/modulitos/async-graph-exercise-api
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/modulitos/async-graph-exercise-api" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmodulitos%2Fasync-graph-exercise-api", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmodulitos%2Fasync-graph-exercise-api'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 66c650c12e222cae3afc1745503081bb93b3181b
[INFO] testing modulitos/async-graph-exercise-api against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmodulitos%2Fasync-graph-exercise-api" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/modulitos/async-graph-exercise-api on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-8/source/.cargo/config
[INFO] started tweaking git repo https://github.com/modulitos/async-graph-exercise-api
[INFO] finished tweaking git repo https://github.com/modulitos/async-graph-exercise-api
[INFO] tweaked toml for git repo https://github.com/modulitos/async-graph-exercise-api written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/modulitos/async-graph-exercise-api already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tungstenite v0.10.1
[INFO] [stderr]   Downloaded tokio-tungstenite v0.10.1
[INFO] [stderr]   Downloaded warp v0.2.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2f850e7fb7af86884ef3cccc455afa7013c4d835aeaa7cbd79ef0ced9a3fe60e
[INFO] running `Command { std: "docker" "start" "-a" "2f850e7fb7af86884ef3cccc455afa7013c4d835aeaa7cbd79ef0ced9a3fe60e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f850e7fb7af86884ef3cccc455afa7013c4d835aeaa7cbd79ef0ced9a3fe60e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f850e7fb7af86884ef3cccc455afa7013c4d835aeaa7cbd79ef0ced9a3fe60e", kill_on_drop: false }`
[INFO] [stdout] 2f850e7fb7af86884ef3cccc455afa7013c4d835aeaa7cbd79ef0ced9a3fe60e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea7d7acf617b4de454c7530a961517b176a60bd1b1321d3e36d2d61867a47877
[INFO] running `Command { std: "docker" "start" "-a" "ea7d7acf617b4de454c7530a961517b176a60bd1b1321d3e36d2d61867a47877", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling either v1.6.0
[INFO] [stderr]    Compiling once_cell v1.4.1
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling utf-8 v0.7.5
[INFO] [stderr]    Compiling urlencoding v1.1.1
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling indexmap v1.5.1
[INFO] [stderr]    Compiling tokio-sync v0.1.8
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling tracing-core v0.1.14
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling headers-core v0.2.0
[INFO] [stderr]    Compiling want v0.2.0
[INFO] [stderr]    Compiling twoway v0.1.8
[INFO] [stderr]    Compiling buf_redux v0.8.4
[INFO] [stderr]    Compiling tokio-executor v0.1.10
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling sha-1 v0.8.2
[INFO] [stderr]    Compiling tokio-current-thread v0.1.7
[INFO] [stderr]    Compiling tokio-timer v0.2.13
[INFO] [stderr]    Compiling futures-task v0.3.5
[INFO] [stderr]    Compiling tracing v0.1.19
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling net2 v0.2.34
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling backtrace v0.3.50
[INFO] [stderr]    Compiling socket2 v0.3.12
[INFO] [stderr]    Compiling colored v1.9.3
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling headers v0.3.2
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling chrono v0.4.15
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling http v0.1.21
[INFO] [stderr]    Compiling string v0.2.1
[INFO] [stderr]    Compiling tokio-buf v0.1.1
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling tokio-reactor v0.1.12
[INFO] [stderr]    Compiling tokio-codec v0.1.2
[INFO] [stderr]    Compiling tokio-fs v0.1.7
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling mime_guess v1.8.8
[INFO] [stderr]    Compiling simple_logger v1.6.0
[INFO] [stderr]    Compiling tokio-udp v0.1.6
[INFO] [stderr]    Compiling tokio-uds v0.2.7
[INFO] [stderr]    Compiling tokio-tcp v0.1.4
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling tungstenite v0.10.1
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling http-body v0.1.0
[INFO] [stderr]    Compiling h2 v0.1.26
[INFO] [stderr]    Compiling multipart v0.16.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling hyper v0.12.35
[INFO] [stderr]    Compiling tokio v0.2.22
[INFO] [stderr]    Compiling thiserror v1.0.20
[INFO] [stderr]    Compiling pin-project v0.4.23
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling tracing-futures v0.2.4
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling futures-executor v0.3.5
[INFO] [stderr]    Compiling h2 v0.2.6
[INFO] [stderr]    Compiling futures v0.3.5
[INFO] [stderr]    Compiling tokio-tungstenite v0.10.1
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling lambda_runtime_client v0.1.0
[INFO] [stderr]    Compiling lambda_runtime v0.1.0
[INFO] [stderr]    Compiling hyper v0.13.7
[INFO] [stderr]    Compiling warp v0.2.4
[INFO] [stderr]    Compiling api v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `get_total`
[INFO] [stdout]   --> src/graph.rs:61:8
[INFO] [stdout]    |
[INFO] [stdout] 61 |     fn get_total(&self, id: NodeId) -> u32 {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_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 1m 13s
[INFO] running `Command { std: "docker" "inspect" "ea7d7acf617b4de454c7530a961517b176a60bd1b1321d3e36d2d61867a47877", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea7d7acf617b4de454c7530a961517b176a60bd1b1321d3e36d2d61867a47877", kill_on_drop: false }`
[INFO] [stdout] ea7d7acf617b4de454c7530a961517b176a60bd1b1321d3e36d2d61867a47877
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fdc0ef771c77b00afc44f2604c51c4378ce9e71ada37f5d6d2b1ebc10995e8ff
[INFO] running `Command { std: "docker" "start" "-a" "fdc0ef771c77b00afc44f2604c51c4378ce9e71ada37f5d6d2b1ebc10995e8ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling api v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `get_total`
[INFO] [stdout]   --> src/graph.rs:61:8
[INFO] [stdout]    |
[INFO] [stdout] 61 |     fn get_total(&self, id: NodeId) -> u32 {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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 4.28s
[INFO] running `Command { std: "docker" "inspect" "fdc0ef771c77b00afc44f2604c51c4378ce9e71ada37f5d6d2b1ebc10995e8ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdc0ef771c77b00afc44f2604c51c4378ce9e71ada37f5d6d2b1ebc10995e8ff", kill_on_drop: false }`
[INFO] [stdout] fdc0ef771c77b00afc44f2604c51c4378ce9e71ada37f5d6d2b1ebc10995e8ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d3883d1b36a505c479ab507a7c3e39df84d647c82a9d7c6501f0bb73616818eb
[INFO] running `Command { std: "docker" "start" "-a" "d3883d1b36a505c479ab507a7c3e39df84d647c82a9d7c6501f0bb73616818eb", kill_on_drop: false }`
[INFO] [stderr] warning: associated function is never used: `get_total`
[INFO] [stderr]   --> src/graph.rs:61:8
[INFO] [stderr]    |
[INFO] [stderr] 61 |     fn get_total(&self, id: NodeId) -> u32 {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `api` (lib) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/api-28458cf25f733d55)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test graph::graph_sum ... ok
[INFO] [stdout] test graph::graph_sum_e ... ok
[INFO] [stdout] test graph::graph_get_non_existent ... ok
[INFO] [stdout] test graph::graph_get ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bootstrap-20143ce4bf680f01)
[INFO] [stdout] test graph::graph_new ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/warp_server-920fe0561901a93f)
[INFO] [stdout] test graph::graph_sum_c ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests api
[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; finished in 0.00s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d3883d1b36a505c479ab507a7c3e39df84d647c82a9d7c6501f0bb73616818eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3883d1b36a505c479ab507a7c3e39df84d647c82a9d7c6501f0bb73616818eb", kill_on_drop: false }`
[INFO] [stdout] d3883d1b36a505c479ab507a7c3e39df84d647c82a9d7c6501f0bb73616818eb