[INFO] cloning repository https://github.com/mingyuanlee/rust-simulation
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mingyuanlee/rust-simulation" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmingyuanlee%2Frust-simulation", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmingyuanlee%2Frust-simulation'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a5c56ae5a228659969cfe2cc0ecba0753428cfb6
[INFO] checking mingyuanlee/rust-simulation against try#da0275e101cdc809ce291ed8b64d6f82c6b65467 for pr-134276
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmingyuanlee%2Frust-simulation" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mingyuanlee/rust-simulation on toolchain da0275e101cdc809ce291ed8b64d6f82c6b65467
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+da0275e101cdc809ce291ed8b64d6f82c6b65467" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mingyuanlee/rust-simulation
[INFO] finished tweaking git repo https://github.com/mingyuanlee/rust-simulation
[INFO] tweaked toml for git repo https://github.com/mingyuanlee/rust-simulation written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/mingyuanlee/rust-simulation 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" "+da0275e101cdc809ce291ed8b64d6f82c6b65467" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+da0275e101cdc809ce291ed8b64d6f82c6b65467" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 245c8864d0da81c0181b46f7dba3626f045af2d631b3eac0f8545b11def3bf25
[INFO] running `Command { std: "docker" "start" "-a" "245c8864d0da81c0181b46f7dba3626f045af2d631b3eac0f8545b11def3bf25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "245c8864d0da81c0181b46f7dba3626f045af2d631b3eac0f8545b11def3bf25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "245c8864d0da81c0181b46f7dba3626f045af2d631b3eac0f8545b11def3bf25", kill_on_drop: false }`
[INFO] [stdout] 245c8864d0da81c0181b46f7dba3626f045af2d631b3eac0f8545b11def3bf25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+da0275e101cdc809ce291ed8b64d6f82c6b65467" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 44844681519e6ed8d1de3785dfce0f890cb9c448c2f19a11fc3834043328f0a5
[INFO] running `Command { std: "docker" "start" "-a" "44844681519e6ed8d1de3785dfce0f890cb9c448c2f19a11fc3834043328f0a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.154
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[INFO] [stderr]    Compiling unicode-ident v1.0.12
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[INFO] [stderr]    Compiling openssl-sys v0.9.102
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[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.202
[INFO] [stderr]    Compiling openssl-macros v0.1.1
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[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]     Checking tokio v1.37.0
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[INFO] [stderr]     Checking tungstenite v0.21.0
[INFO] [stderr]     Checking tokio-util v0.7.11
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[INFO] [stderr]     Checking warp v0.3.7
[INFO] [stderr]     Checking reqwest v0.11.27
[INFO] [stderr]     Checking rust-simulation v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `sleep_until`
[INFO] [stdout]   --> src/main.rs:12:29
[INFO] [stdout]    |
[INFO] [stdout] 12 | use tokio::time::{interval, sleep_until};
[INFO] [stdout]    |                             ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sleep_until`
[INFO] [stdout]   --> src/main.rs:12:29
[INFO] [stdout]    |
[INFO] [stdout] 12 | use tokio::time::{interval, sleep_until};
[INFO] [stdout]    |                             ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 31.12s
[INFO] running `Command { std: "docker" "inspect" "44844681519e6ed8d1de3785dfce0f890cb9c448c2f19a11fc3834043328f0a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44844681519e6ed8d1de3785dfce0f890cb9c448c2f19a11fc3834043328f0a5", kill_on_drop: false }`
[INFO] [stdout] 44844681519e6ed8d1de3785dfce0f890cb9c448c2f19a11fc3834043328f0a5