[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 beta-2022-02-22 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-48/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-48/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/botev/symbolic_polynomials on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-48/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" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3f13de5d3fefcf2a66d0110956170b63d48e979a97d6f972bc47912b13310631
[INFO] running `Command { std: "docker" "start" "-a" "3f13de5d3fefcf2a66d0110956170b63d48e979a97d6f972bc47912b13310631", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f13de5d3fefcf2a66d0110956170b63d48e979a97d6f972bc47912b13310631", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f13de5d3fefcf2a66d0110956170b63d48e979a97d6f972bc47912b13310631", kill_on_drop: false }`
[INFO] [stdout] 3f13de5d3fefcf2a66d0110956170b63d48e979a97d6f972bc47912b13310631
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf932a624204c0d5af6e10a84966877208f4b39f50c61abeee8c46039dfdff19
[INFO] running `Command { std: "docker" "start" "-a" "cf932a624204c0d5af6e10a84966877208f4b39f50c61abeee8c46039dfdff19", kill_on_drop: false }`
[INFO] [stderr]    Compiling symbolic_polynomials v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "cf932a624204c0d5af6e10a84966877208f4b39f50c61abeee8c46039dfdff19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf932a624204c0d5af6e10a84966877208f4b39f50c61abeee8c46039dfdff19", kill_on_drop: false }`
[INFO] [stdout] cf932a624204c0d5af6e10a84966877208f4b39f50c61abeee8c46039dfdff19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0175c831fe22819a109fb3cb1366eafa48a830197faed8cab8a3bab5b6a1a7b7
[INFO] running `Command { std: "docker" "start" "-a" "0175c831fe22819a109fb3cb1366eafa48a830197faed8cab8a3bab5b6a1a7b7", 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" "0175c831fe22819a109fb3cb1366eafa48a830197faed8cab8a3bab5b6a1a7b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0175c831fe22819a109fb3cb1366eafa48a830197faed8cab8a3bab5b6a1a7b7", kill_on_drop: false }`
[INFO] [stdout] 0175c831fe22819a109fb3cb1366eafa48a830197faed8cab8a3bab5b6a1a7b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1c952a4e57bbd17b3323d41b9162926baa97880b4173e128061fae2492e439b4
[INFO] running `Command { std: "docker" "start" "-a" "1c952a4e57bbd17b3323d41b9162926baa97880b4173e128061fae2492e439b4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.88s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/symbolic_polynomials-2f37f0cbe4647405)
[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-b86b55fac201d258)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[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 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests symbolic_polynomials
[INFO] [stdout] 
[INFO] [stdout] running 29 tests
[INFO] [stdout] test src/lib.rs - &'aSymPolynomial (line 1005) ... ok
[INFO] [stdout] test src/lib.rs - &'aSymMonomial (line 661) ... ok
[INFO] [stdout] test src/lib.rs - &'aSymMonomial (line 688) ... ok
[INFO] [stdout] test src/lib.rs - SymMonomial (line 125) ... ok
[INFO] [stdout] test src/lib.rs - &'aSymPolynomial (line 548) ... ok
[INFO] [stdout] test src/lib.rs - SymMonomial (line 135) ... 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 960) ... ok
[INFO] [stdout] test src/lib.rs - SymMonomial (line 147) ... ok
[INFO] [stdout] test src/lib.rs - &'aSymMonomial (line 434) ... ok
[INFO] [stdout] test src/lib.rs - &'aSymPolynomial (line 1084) ... ok
[INFO] [stdout] test src/lib.rs - SymPolynomial (line 323) ... ok
[INFO] [stdout] test src/lib.rs - SymPolynomial (line 307) ... ok
[INFO] [stdout] test src/lib.rs - &'aSymPolynomial (line 516) ... ok
[INFO] [stdout] test src/lib.rs - &'aSymPolynomial (line 943) ... ok
[INFO] [stdout] test src/lib.rs - &'aSymPolynomial (line 475) ... ok
[INFO] [stdout] test src/lib.rs - &'aSymMonomial (line 904) ... ok
[INFO] [stdout] test src/lib.rs - &'aSymMonomial (line 918) ... ok
[INFO] [stdout] test src/lib.rs - &'aSymMonomial (line 835) ... ok
[INFO] [stdout] test src/lib.rs - &'aSymPolynomial (line 1022) ... ok
[INFO] [stdout] test src/lib.rs - &'aSymMonomial (line 406) ... ok
[INFO] [stdout] test src/lib.rs - SymMonomial (line 72) ... 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 - SymMonomial (line 94) ... ok
[INFO] [stdout] test src/lib.rs - &'aSymPolynomial (line 729) ... ok
[INFO] [stdout] test src/lib.rs - &'aSymMonomial (line 867) ... ok
[INFO] [stdout] test src/lib.rs - &'aSymPolynomial (line 1098) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 29 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.47s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1c952a4e57bbd17b3323d41b9162926baa97880b4173e128061fae2492e439b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c952a4e57bbd17b3323d41b9162926baa97880b4173e128061fae2492e439b4", kill_on_drop: false }`
[INFO] [stdout] 1c952a4e57bbd17b3323d41b9162926baa97880b4173e128061fae2492e439b4