[INFO] fetching crate rs-simple-logging 0.3.0...
[INFO] testing rs-simple-logging-0.3.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate rs-simple-logging 0.3.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate rs-simple-logging 0.3.0
[INFO] finished tweaking crates.io crate rs-simple-logging 0.3.0
[INFO] tweaked toml for crates.io crate rs-simple-logging 0.3.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rs-simple-logging 0.3.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 75e86132cfdd621006e4a4abc28a8d1477a14bdf8d2d863e0c9c8016f8c890de
[INFO] running `Command { std: "docker" "start" "-a" "75e86132cfdd621006e4a4abc28a8d1477a14bdf8d2d863e0c9c8016f8c890de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75e86132cfdd621006e4a4abc28a8d1477a14bdf8d2d863e0c9c8016f8c890de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75e86132cfdd621006e4a4abc28a8d1477a14bdf8d2d863e0c9c8016f8c890de", kill_on_drop: false }`
[INFO] [stdout] 75e86132cfdd621006e4a4abc28a8d1477a14bdf8d2d863e0c9c8016f8c890de
[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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cdb5090c6e4f1d3f033a568ff3a4f65b1244e10696c898a1af450401b8410163
[INFO] running `Command { std: "docker" "start" "-a" "cdb5090c6e4f1d3f033a568ff3a4f65b1244e10696c898a1af450401b8410163", kill_on_drop: false }`
[INFO] [stderr]    Compiling rs-simple-logging v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `ProxyNop` is never constructed
[INFO] [stdout]  --> src/proxy/copy.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct ProxyNop {}
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "cdb5090c6e4f1d3f033a568ff3a4f65b1244e10696c898a1af450401b8410163", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdb5090c6e4f1d3f033a568ff3a4f65b1244e10696c898a1af450401b8410163", kill_on_drop: false }`
[INFO] [stdout] cdb5090c6e4f1d3f033a568ff3a4f65b1244e10696c898a1af450401b8410163
[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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e5f100f6f5896e7882c51d18f13f3c210000f694046e621d21f8711b2974533a
[INFO] running `Command { std: "docker" "start" "-a" "e5f100f6f5896e7882c51d18f13f3c210000f694046e621d21f8711b2974533a", kill_on_drop: false }`
[INFO] [stdout] warning: struct `ProxyNop` is never constructed
[INFO] [stdout]  --> src/proxy/copy.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct ProxyNop {}
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rs-simple-logging v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `ProxyNop` is never constructed
[INFO] [stdout]  --> src/proxy/copy.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct ProxyNop {}
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "e5f100f6f5896e7882c51d18f13f3c210000f694046e621d21f8711b2974533a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5f100f6f5896e7882c51d18f13f3c210000f694046e621d21f8711b2974533a", kill_on_drop: false }`
[INFO] [stdout] e5f100f6f5896e7882c51d18f13f3c210000f694046e621d21f8711b2974533a
[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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ad4b9e58e92507ddbd8d589c503e4b4fbd89fd042606b8239e4df31c4ecd55c8
[INFO] running `Command { std: "docker" "start" "-a" "ad4b9e58e92507ddbd8d589c503e4b4fbd89fd042606b8239e4df31c4ecd55c8", kill_on_drop: false }`
[INFO] [stderr] warning: struct `ProxyNop` is never constructed
[INFO] [stderr]  --> src/proxy/copy.rs:9:8
[INFO] [stderr]   |
[INFO] [stderr] 9 | struct ProxyNop {}
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rs-simple-logging` (lib) generated 1 warning
[INFO] [stderr] warning: `rs-simple-logging` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rs_simple_logging-1642eee7ad61f97a)
[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] [stderr]    Doc-tests rs_simple_logging
[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" "ad4b9e58e92507ddbd8d589c503e4b4fbd89fd042606b8239e4df31c4ecd55c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad4b9e58e92507ddbd8d589c503e4b4fbd89fd042606b8239e4df31c4ecd55c8", kill_on_drop: false }`
[INFO] [stdout] ad4b9e58e92507ddbd8d589c503e4b4fbd89fd042606b8239e4df31c4ecd55c8