[INFO] cloning repository https://github.com/TangentInno/tangent-core
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TangentInno/tangent-core" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTangentInno%2Ftangent-core", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTangentInno%2Ftangent-core'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2fd4716cf195ad802b716d1b0fb43b4fab139534
[INFO] testing TangentInno/tangent-core against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTangentInno%2Ftangent-core" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TangentInno/tangent-core 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] started tweaking git repo https://github.com/TangentInno/tangent-core
[INFO] finished tweaking git repo https://github.com/TangentInno/tangent-core
[INFO] tweaked toml for git repo https://github.com/TangentInno/tangent-core written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/TangentInno/tangent-core 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 smallvec v1.5.0
[INFO] [stderr]   Downloaded mio v0.7.6
[INFO] [stderr]   Downloaded syn v1.0.63
[INFO] [stderr]   Downloaded tokio-macros v0.3.1
[INFO] [stderr]   Downloaded tokio v0.3.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 97e96e86eae49e994defe18c0a5df94bce67ae423961d463fe1b9c2f49e730ea
[INFO] running `Command { std: "docker" "start" "-a" "97e96e86eae49e994defe18c0a5df94bce67ae423961d463fe1b9c2f49e730ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97e96e86eae49e994defe18c0a5df94bce67ae423961d463fe1b9c2f49e730ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97e96e86eae49e994defe18c0a5df94bce67ae423961d463fe1b9c2f49e730ea", kill_on_drop: false }`
[INFO] [stdout] 97e96e86eae49e994defe18c0a5df94bce67ae423961d463fe1b9c2f49e730ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 442fe27f1798cf3baf4c7835d9b77530d2407b1dc5e4e73b925f18f9eb1d376c
[INFO] running `Command { std: "docker" "start" "-a" "442fe27f1798cf3baf4c7835d9b77530d2407b1dc5e4e73b925f18f9eb1d376c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling syn v1.0.63
[INFO] [stderr]    Compiling smallvec v1.5.0
[INFO] [stderr]    Compiling bytes v0.6.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.0
[INFO] [stderr]    Compiling json v0.12.4
[INFO] [stderr]    Compiling tokio v0.3.4
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling sha2 v0.9.2
[INFO] [stderr]    Compiling parking_lot_core v0.8.0
[INFO] [stderr]    Compiling mio v0.7.6
[INFO] [stderr]    Compiling signal-hook-registry v1.2.2
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling tokio-macros v0.3.1
[INFO] [stderr]    Compiling tangent-core v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `invoke`
[INFO] [stdout]   --> src/profiler.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn invoke(name: &str) -> Profiler {
[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 30.43s
[INFO] running `Command { std: "docker" "inspect" "442fe27f1798cf3baf4c7835d9b77530d2407b1dc5e4e73b925f18f9eb1d376c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "442fe27f1798cf3baf4c7835d9b77530d2407b1dc5e4e73b925f18f9eb1d376c", kill_on_drop: false }`
[INFO] [stdout] 442fe27f1798cf3baf4c7835d9b77530d2407b1dc5e4e73b925f18f9eb1d376c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] c1a941fa4b8530a4b3d36a95cbdba4c891987061d34bbfa083fac2aa1c7dea72
[INFO] running `Command { std: "docker" "start" "-a" "c1a941fa4b8530a4b3d36a95cbdba4c891987061d34bbfa083fac2aa1c7dea72", kill_on_drop: false }`
[INFO] [stderr]    Compiling tangent-core v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `invoke`
[INFO] [stdout]   --> src/profiler.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn invoke(name: &str) -> Profiler {
[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 1.07s
[INFO] running `Command { std: "docker" "inspect" "c1a941fa4b8530a4b3d36a95cbdba4c891987061d34bbfa083fac2aa1c7dea72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1a941fa4b8530a4b3d36a95cbdba4c891987061d34bbfa083fac2aa1c7dea72", kill_on_drop: false }`
[INFO] [stdout] c1a941fa4b8530a4b3d36a95cbdba4c891987061d34bbfa083fac2aa1c7dea72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] f6b579362020a7019050d3408bc2e4565435aa90a11145aef6b4907bb139112c
[INFO] running `Command { std: "docker" "start" "-a" "f6b579362020a7019050d3408bc2e4565435aa90a11145aef6b4907bb139112c", kill_on_drop: false }`
[INFO] [stderr] warning: associated function is never used: `invoke`
[INFO] [stderr]   --> src/profiler.rs:12:12
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn invoke(name: &str) -> Profiler {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `tangent-core` (bin "tangent-core" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tangent_core-202288674cf130e9)
[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" "f6b579362020a7019050d3408bc2e4565435aa90a11145aef6b4907bb139112c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6b579362020a7019050d3408bc2e4565435aa90a11145aef6b4907bb139112c", kill_on_drop: false }`
[INFO] [stdout] f6b579362020a7019050d3408bc2e4565435aa90a11145aef6b4907bb139112c