[INFO] cloning repository https://github.com/GDX64/rust-experiments
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/GDX64/rust-experiments" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGDX64%2Frust-experiments", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGDX64%2Frust-experiments'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e06a3391c4bc42eba9dfe1c868a0b5c9b4066567
[INFO] checking GDX64/rust-experiments against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGDX64%2Frust-experiments" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/GDX64/rust-experiments
[INFO] finished tweaking git repo https://github.com/GDX64/rust-experiments
[INFO] tweaked toml for git repo https://github.com/GDX64/rust-experiments written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/GDX64/rust-experiments 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/GDX64/rust-experiments 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded redox_syscall v0.2.15
[INFO] [stderr]   Downloaded pulldown-cmark v0.0.3
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[INFO] [stderr]   Downloaded lazy_static v0.1.16
[INFO] [stderr]   Downloaded nalgebra v0.31.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 747b3c816e5ca3100e7fcfa1fd5a47bef0fd1272c03b10b9472c9570fdd9ef18
[INFO] running `Command { std: "docker" "start" "-a" "747b3c816e5ca3100e7fcfa1fd5a47bef0fd1272c03b10b9472c9570fdd9ef18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "747b3c816e5ca3100e7fcfa1fd5a47bef0fd1272c03b10b9472c9570fdd9ef18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "747b3c816e5ca3100e7fcfa1fd5a47bef0fd1272c03b10b9472c9570fdd9ef18", kill_on_drop: false }`
[INFO] [stdout] 747b3c816e5ca3100e7fcfa1fd5a47bef0fd1272c03b10b9472c9570fdd9ef18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 3eac0eaf75a187033edf81c7b3045cb76459c720a2462cf672005594f0eccd6f
[INFO] running `Command { std: "docker" "start" "-a" "3eac0eaf75a187033edf81c7b3045cb76459c720a2462cf672005594f0eccd6f", kill_on_drop: false }`
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[INFO] [stderr]    Compiling unicode-ident v1.0.1
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[INFO] [stderr]     Checking tracing-core v0.1.28
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling unicode-width v0.1.9
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[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]     Checking bytemuck v1.10.0
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[INFO] [stderr]    Compiling serde_json v1.0.82
[INFO] [stderr]    Compiling rand v0.4.6
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[INFO] [stderr]     Checking experiments v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `MyDelay` is never constructed
[INFO] [stdout]  --> src/bin/custom_delay.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct MyDelay<T>
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `DelayExt` is never used
[INFO] [stdout]   --> src/bin/custom_delay.rs:56:7
[INFO] [stdout]    |
[INFO] [stdout] 56 | trait DelayExt: Stream {
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `ShardedDb` is never used
[INFO] [stdout]   --> src/bin/server.rs:60:6
[INFO] [stdout]    |
[INFO] [stdout] 60 | type ShardedDb = Arc<Vec<Mutex<HashMap<String, Vec<u8>>>>>;
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `new_sharded_db` is never used
[INFO] [stdout]   --> src/bin/server.rs:62:4
[INFO] [stdout]    |
[INFO] [stdout] 62 | fn new_sharded_db(num_shards: usize) -> ShardedDb {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `ShardedDb` is never used
[INFO] [stdout]   --> src/bin/server.rs:60:6
[INFO] [stdout]    |
[INFO] [stdout] 60 | type ShardedDb = Arc<Vec<Mutex<HashMap<String, Vec<u8>>>>>;
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `new_sharded_db` is never used
[INFO] [stdout]   --> src/bin/server.rs:62:4
[INFO] [stdout]    |
[INFO] [stdout] 62 | fn new_sharded_db(num_shards: usize) -> ShardedDb {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 31.96s
[INFO] running `Command { std: "docker" "inspect" "3eac0eaf75a187033edf81c7b3045cb76459c720a2462cf672005594f0eccd6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3eac0eaf75a187033edf81c7b3045cb76459c720a2462cf672005594f0eccd6f", kill_on_drop: false }`
[INFO] [stdout] 3eac0eaf75a187033edf81c7b3045cb76459c720a2462cf672005594f0eccd6f
