[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] checking TangentInno/tangent-core against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTangentInno%2Ftangent-core" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[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-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/TangentInno/tangent-core on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/TangentInno/tangent-core already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sha2 v0.9.2
[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-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5fa8fe7d5e6f89f8771dbfc36743614c02b8358db988e7899cbe46ed115882d5
[INFO] running `Command { std: "docker" "start" "-a" "5fa8fe7d5e6f89f8771dbfc36743614c02b8358db988e7899cbe46ed115882d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5fa8fe7d5e6f89f8771dbfc36743614c02b8358db988e7899cbe46ed115882d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fa8fe7d5e6f89f8771dbfc36743614c02b8358db988e7899cbe46ed115882d5", kill_on_drop: false }`
[INFO] [stdout] 5fa8fe7d5e6f89f8771dbfc36743614c02b8358db988e7899cbe46ed115882d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 19607736c1353b39b2889e23cf30aa2126360d6c5ccf3c088690e82bdddec94c
[INFO] running `Command { std: "docker" "start" "-a" "19607736c1353b39b2889e23cf30aa2126360d6c5ccf3c088690e82bdddec94c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.63
[INFO] [stderr]     Checking smallvec v1.5.0
[INFO] [stderr]     Checking futures-core v0.3.13
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]    Compiling tokio v0.3.4
[INFO] [stderr]     Checking bytes v0.6.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking signal-hook-registry v1.2.2
[INFO] [stderr]     Checking mio v0.7.6
[INFO] [stderr]     Checking json v0.12.4
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking sha2 v0.9.2
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling tokio-macros v0.3.1
[INFO] [stderr]     Checking tangent-core v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Profiler` is never constructed
[INFO] [stdout]  --> src/profiler.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Profiler {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `invoke` is never used
[INFO] [stdout]   --> src/profiler.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Profiler {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 11 |     /* if you recieve none from this function it's because the compilation unit didn't have the flag set correctly. */
[INFO] [stdout] 12 |     pub fn invoke(name: &str) -> Profiler {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Profiler` is never constructed
[INFO] [stdout]  --> src/profiler.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Profiler {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `invoke` is never used
[INFO] [stdout]   --> src/profiler.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Profiler {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 11 |     /* if you recieve none from this function it's because the compilation unit didn't have the flag set correctly. */
[INFO] [stdout] 12 |     pub fn invoke(name: &str) -> Profiler {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.10s
[INFO] running `Command { std: "docker" "inspect" "19607736c1353b39b2889e23cf30aa2126360d6c5ccf3c088690e82bdddec94c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19607736c1353b39b2889e23cf30aa2126360d6c5ccf3c088690e82bdddec94c", kill_on_drop: false }`
[INFO] [stdout] 19607736c1353b39b2889e23cf30aa2126360d6c5ccf3c088690e82bdddec94c