[INFO] fetching crate iterator-2000 0.1.0...
[INFO] testing iterator-2000-0.1.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate iterator-2000 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate iterator-2000 0.1.0
[INFO] finished tweaking crates.io crate iterator-2000 0.1.0
[INFO] tweaked toml for crates.io crate iterator-2000 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate iterator-2000 0.1.0 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] crate crates.io crate iterator-2000 0.1.0 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded getrandom v0.2.7
[INFO] [stderr]   Downloaded libc v0.2.132
[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] b4134a14508c929b06f0a5820b594db1dd2f5a79e734963ba547470a1c41757f
[INFO] running `Command { std: "docker" "start" "-a" "b4134a14508c929b06f0a5820b594db1dd2f5a79e734963ba547470a1c41757f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4134a14508c929b06f0a5820b594db1dd2f5a79e734963ba547470a1c41757f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4134a14508c929b06f0a5820b594db1dd2f5a79e734963ba547470a1c41757f", kill_on_drop: false }`
[INFO] [stdout] b4134a14508c929b06f0a5820b594db1dd2f5a79e734963ba547470a1c41757f
[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] 97f098e891c9bafe4d8329ce74ef7d2d6f38451b3ea65fc02635ccf4e754cd35
[INFO] running `Command { std: "docker" "start" "-a" "97f098e891c9bafe4d8329ce74ef7d2d6f38451b3ea65fc02635ccf4e754cd35", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling getrandom v0.2.7
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling iterator-2000 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.59s
[INFO] running `Command { std: "docker" "inspect" "97f098e891c9bafe4d8329ce74ef7d2d6f38451b3ea65fc02635ccf4e754cd35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97f098e891c9bafe4d8329ce74ef7d2d6f38451b3ea65fc02635ccf4e754cd35", kill_on_drop: false }`
[INFO] [stdout] 97f098e891c9bafe4d8329ce74ef7d2d6f38451b3ea65fc02635ccf4e754cd35
[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] 68ccd07ee3f9553b60e75c53f46847f7da1c18655acaf83ce5bf8851032472ea
[INFO] running `Command { std: "docker" "start" "-a" "68ccd07ee3f9553b60e75c53f46847f7da1c18655acaf83ce5bf8851032472ea", kill_on_drop: false }`
[INFO] [stderr]    Compiling iterator-2000 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "68ccd07ee3f9553b60e75c53f46847f7da1c18655acaf83ce5bf8851032472ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68ccd07ee3f9553b60e75c53f46847f7da1c18655acaf83ce5bf8851032472ea", kill_on_drop: false }`
[INFO] [stdout] 68ccd07ee3f9553b60e75c53f46847f7da1c18655acaf83ce5bf8851032472ea
[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] ad994cd53b17bb01664d833a8e1a399a71b285fba8cf7b8a2749c6c894c7bae6
[INFO] running `Command { std: "docker" "start" "-a" "ad994cd53b17bb01664d833a8e1a399a71b285fba8cf7b8a2749c6c894c7bae6", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/iterator_2000-4298a4613e0209e2)
[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" "ad994cd53b17bb01664d833a8e1a399a71b285fba8cf7b8a2749c6c894c7bae6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad994cd53b17bb01664d833a8e1a399a71b285fba8cf7b8a2749c6c894c7bae6", kill_on_drop: false }`
[INFO] [stdout] ad994cd53b17bb01664d833a8e1a399a71b285fba8cf7b8a2749c6c894c7bae6