[INFO] cloning repository https://github.com/RanaElGahawy/DistributedClients
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RanaElGahawy/DistributedClients" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRanaElGahawy%2FDistributedClients", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRanaElGahawy%2FDistributedClients'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a89c1fdb5bd9e0bb54f69fd3ec65e6b517f19983
[INFO] checking RanaElGahawy/DistributedClients/a89c1fdb5bd9e0bb54f69fd3ec65e6b517f19983 against master#4ecd70ddd1039a3954056c1071e40278048476fa for pr-137633
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRanaElGahawy%2FDistributedClients" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
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[INFO] validating manifest of git repo https://github.com/RanaElGahawy/DistributedClients on toolchain 4ecd70ddd1039a3954056c1071e40278048476fa
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4ecd70ddd1039a3954056c1071e40278048476fa" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/RanaElGahawy/DistributedClients
[INFO] finished tweaking git repo https://github.com/RanaElGahawy/DistributedClients
[INFO] tweaked toml for git repo https://github.com/RanaElGahawy/DistributedClients written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/RanaElGahawy/DistributedClients 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" "+4ecd70ddd1039a3954056c1071e40278048476fa" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded steganography v1.0.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+4ecd70ddd1039a3954056c1071e40278048476fa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] be33754fb3a0a084486cb237bb5ac39c6f1edb980a268b5f995f37aa56684fa6
[INFO] running `Command { std: "docker" "start" "-a" "be33754fb3a0a084486cb237bb5ac39c6f1edb980a268b5f995f37aa56684fa6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be33754fb3a0a084486cb237bb5ac39c6f1edb980a268b5f995f37aa56684fa6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be33754fb3a0a084486cb237bb5ac39c6f1edb980a268b5f995f37aa56684fa6", kill_on_drop: false }`
[INFO] [stdout] be33754fb3a0a084486cb237bb5ac39c6f1edb980a268b5f995f37aa56684fa6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+4ecd70ddd1039a3954056c1071e40278048476fa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 488651e554fd253fe2a7437947a538537a1ea162b3fee21565eb11a83f72947e
[INFO] running `Command { std: "docker" "start" "-a" "488651e554fd253fe2a7437947a538537a1ea162b3fee21565eb11a83f72947e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling libc v0.2.161
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling num-derive v0.2.5
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[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking pin-project-lite v0.2.15
[INFO] [stderr]     Checking futures-core v0.3.31
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[INFO] [stderr]     Checking futures-sink v0.3.31
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[INFO] [stderr]     Checking crossbeam-deque v0.8.5
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[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling syn v2.0.87
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking num-integer v0.1.46
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[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]     Checking tokio v1.41.0
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[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking steganography v1.0.2
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking client-server-tcp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.27s
[INFO] running `Command { std: "docker" "inspect" "488651e554fd253fe2a7437947a538537a1ea162b3fee21565eb11a83f72947e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "488651e554fd253fe2a7437947a538537a1ea162b3fee21565eb11a83f72947e", kill_on_drop: false }`
[INFO] [stdout] 488651e554fd253fe2a7437947a538537a1ea162b3fee21565eb11a83f72947e