[INFO] fetching crate horner 0.2.2...
[INFO] testing horner-0.2.2 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate horner 0.2.2 into /workspace/builds/worker-29/source
[INFO] validating manifest of crates.io crate horner 0.2.2 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate horner 0.2.2
[INFO] finished tweaking crates.io crate horner 0.2.2
[INFO] tweaked toml for crates.io crate horner 0.2.2 written to /workspace/builds/worker-29/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f1ee487d1f23428f377e69f0a86b0f502f71f182422ed0f49e146e7056b4433f
[INFO] running `Command { std: "docker" "start" "-a" "f1ee487d1f23428f377e69f0a86b0f502f71f182422ed0f49e146e7056b4433f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1ee487d1f23428f377e69f0a86b0f502f71f182422ed0f49e146e7056b4433f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1ee487d1f23428f377e69f0a86b0f502f71f182422ed0f49e146e7056b4433f", kill_on_drop: false }`
[INFO] [stdout] f1ee487d1f23428f377e69f0a86b0f502f71f182422ed0f49e146e7056b4433f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2ecbbc1d7dcc72ca2e7bf760545a725b3208824c63c5fee43cfdb1c2787c243
[INFO] running `Command { std: "docker" "start" "-a" "b2ecbbc1d7dcc72ca2e7bf760545a725b3208824c63c5fee43cfdb1c2787c243", kill_on_drop: false }`
[INFO] [stderr]    Compiling horner v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "b2ecbbc1d7dcc72ca2e7bf760545a725b3208824c63c5fee43cfdb1c2787c243", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2ecbbc1d7dcc72ca2e7bf760545a725b3208824c63c5fee43cfdb1c2787c243", kill_on_drop: false }`
[INFO] [stdout] b2ecbbc1d7dcc72ca2e7bf760545a725b3208824c63c5fee43cfdb1c2787c243
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a39aac981e920c252cc38d25be44c04afc0bcc91931649dd36dd40531003dbbc
[INFO] running `Command { std: "docker" "start" "-a" "a39aac981e920c252cc38d25be44c04afc0bcc91931649dd36dd40531003dbbc", kill_on_drop: false }`
[INFO] [stderr]    Compiling horner v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.67s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/horner-236389e6f8747677)
[INFO] running `Command { std: "docker" "inspect" "a39aac981e920c252cc38d25be44c04afc0bcc91931649dd36dd40531003dbbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a39aac981e920c252cc38d25be44c04afc0bcc91931649dd36dd40531003dbbc", kill_on_drop: false }`
[INFO] [stdout] a39aac981e920c252cc38d25be44c04afc0bcc91931649dd36dd40531003dbbc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f46bd6f896ff1f977f3abd7e0007a12e809e1e36a80d33d70df8a42732e7b973
[INFO] running `Command { std: "docker" "start" "-a" "f46bd6f896ff1f977f3abd7e0007a12e809e1e36a80d33d70df8a42732e7b973", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/horner-236389e6f8747677)
[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 horner
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - eval_any_rank_polynomial (line 30) ... ok
[INFO] [stdout] test src/lib.rs - eval_any_rank_polynomial (line 48) ... ok
[INFO] [stdout] test src/lib.rs - eval_known_rank_polynomial (line 77) ... ok
[INFO] [stdout] test src/lib.rs - eval_any_rank_polynomial (line 36) ... ok
[INFO] [stdout] test src/lib.rs - eval_any_rank_polynomial (line 18) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.27s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f46bd6f896ff1f977f3abd7e0007a12e809e1e36a80d33d70df8a42732e7b973", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f46bd6f896ff1f977f3abd7e0007a12e809e1e36a80d33d70df8a42732e7b973", kill_on_drop: false }`
[INFO] [stdout] f46bd6f896ff1f977f3abd7e0007a12e809e1e36a80d33d70df8a42732e7b973