[INFO] cloning repository https://github.com/botev/symbolic_polynomials
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/botev/symbolic_polynomials" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbotev%2Fsymbolic_polynomials", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbotev%2Fsymbolic_polynomials'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2148f5dfd91b331d608001068fb45db316727313
[INFO] testing botev/symbolic_polynomials against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbotev%2Fsymbolic_polynomials" "/workspace/builds/worker-19/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-19/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/botev/symbolic_polynomials on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/botev/symbolic_polynomials
[INFO] finished tweaking git repo https://github.com/botev/symbolic_polynomials
[INFO] tweaked toml for git repo https://github.com/botev/symbolic_polynomials written to /workspace/builds/worker-19/source/Cargo.toml
[INFO] crate git repo https://github.com/botev/symbolic_polynomials already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 82047462c2c2ae5fb9b225e10efcf6b17d60914c2650c5bd2f54e04bec1da820
[INFO] running `Command { std: "docker" "start" "-a" "82047462c2c2ae5fb9b225e10efcf6b17d60914c2650c5bd2f54e04bec1da820", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "82047462c2c2ae5fb9b225e10efcf6b17d60914c2650c5bd2f54e04bec1da820", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82047462c2c2ae5fb9b225e10efcf6b17d60914c2650c5bd2f54e04bec1da820", kill_on_drop: false }`
[INFO] [stdout] 82047462c2c2ae5fb9b225e10efcf6b17d60914c2650c5bd2f54e04bec1da820
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a33c9033723abfb8cfa4ba66fd304b8982c268c284f6d24d30c978f40cec224
[INFO] running `Command { std: "docker" "start" "-a" "0a33c9033723abfb8cfa4ba66fd304b8982c268c284f6d24d30c978f40cec224", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling symbolic_polynomials v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "0a33c9033723abfb8cfa4ba66fd304b8982c268c284f6d24d30c978f40cec224", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a33c9033723abfb8cfa4ba66fd304b8982c268c284f6d24d30c978f40cec224", kill_on_drop: false }`
[INFO] [stdout] 0a33c9033723abfb8cfa4ba66fd304b8982c268c284f6d24d30c978f40cec224
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c9b97b3b85d8af4af848e643acd12c1b61d17ad83a2c230c313eaf872bf1020
[INFO] running `Command { std: "docker" "start" "-a" "1c9b97b3b85d8af4af848e643acd12c1b61d17ad83a2c230c313eaf872bf1020", kill_on_drop: false }`
[INFO] [stderr]    Compiling symbolic_polynomials v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "1c9b97b3b85d8af4af848e643acd12c1b61d17ad83a2c230c313eaf872bf1020", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c9b97b3b85d8af4af848e643acd12c1b61d17ad83a2c230c313eaf872bf1020", kill_on_drop: false }`
[INFO] [stdout] 1c9b97b3b85d8af4af848e643acd12c1b61d17ad83a2c230c313eaf872bf1020
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 917dcc6958146d875492d32a1103bd9771b6e704d5908bf42c6a3f1c58654a42
[INFO] running `Command { std: "docker" "start" "-a" "917dcc6958146d875492d32a1103bd9771b6e704d5908bf42c6a3f1c58654a42", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/symbolic_polynomials-3c0ce1265f7f4445)
[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]      Running tests/example.rs (/opt/rustwide/target/debug/deps/example-2be302f4d4714fed)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests symbolic_polynomials
[INFO] [stdout] test example_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 29 tests
[INFO] [stdout] test src/lib.rs - SymPolynomial (line 323) ... ok
[INFO] [stdout] test src/lib.rs - &'aSymPolynomial (line 1098) ... ok
[INFO] [stdout] test src/lib.rs - &'aSymMonomial (line 688) ... ok
[INFO] [stdout] test src/lib.rs - &'aSymMonomial (line 904) ... ok
[INFO] [stdout] test src/lib.rs - &'aSymMonomial (line 661) ... ok
[INFO] [stdout] test src/lib.rs - SymMonomial (line 83) ... ok
[INFO] [stdout] test src/lib.rs - &'aSymMonomial (line 853) ... ok
[INFO] [stdout] test src/lib.rs - &'aSymPolynomial (line 548) ... ok
[INFO] [stdout] test src/lib.rs - &'aSymPolynomial (line 1084) ... ok
[INFO] [stdout] test src/lib.rs - &'aSymMonomial (line 918) ... ok
[INFO] [stdout] test src/lib.rs - SymMonomial (line 147) ... ok
[INFO] [stdout] test src/lib.rs - &'aSymMonomial (line 867) ... ok
[INFO] [stdout] test src/lib.rs - &'aSymPolynomial (line 1005) ... ok
[INFO] [stdout] test src/lib.rs - SymMonomial (line 125) ... ok
[INFO] [stdout] test src/lib.rs - SymMonomial (line 72) ... ok
[INFO] [stdout] test src/lib.rs - &'aSymMonomial (line 406) ... ok
[INFO] [stdout] test src/lib.rs - &'aSymMonomial (line 434) ... ok
[INFO] [stdout] test src/lib.rs - &'aSymPolynomial (line 475) ... ok
[INFO] [stdout] test src/lib.rs - &'aSymMonomial (line 835) ... ok
[INFO] [stdout] test src/lib.rs - &'aSymPolynomial (line 943) ... ok
[INFO] [stdout] test src/lib.rs - SymMonomial (line 94) ... ok
[INFO] [stdout] test src/lib.rs - &'aSymPolynomial (line 768) ... ok
[INFO] [stdout] test src/lib.rs - SymPolynomial::simplify (line 255) ... ok
[INFO] [stdout] test src/lib.rs - &'aSymPolynomial (line 516) ... ok
[INFO] [stdout] test src/lib.rs - SymPolynomial (line 307) ... ok
[INFO] [stdout] test src/lib.rs - &'aSymPolynomial (line 1022) ... ok
[INFO] [stdout] test src/lib.rs - &'aSymPolynomial (line 960) ... ok
[INFO] [stdout] test src/lib.rs - SymMonomial (line 135) ... ok
[INFO] [stdout] test src/lib.rs - &'aSymPolynomial (line 729) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 29 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.67s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "917dcc6958146d875492d32a1103bd9771b6e704d5908bf42c6a3f1c58654a42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "917dcc6958146d875492d32a1103bd9771b6e704d5908bf42c6a3f1c58654a42", kill_on_drop: false }`
[INFO] [stdout] 917dcc6958146d875492d32a1103bd9771b6e704d5908bf42c6a3f1c58654a42