[INFO] cloning repository https://github.com/howeih/Day-13-Roots-of-polynomial
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/howeih/Day-13-Roots-of-polynomial" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhoweih%2FDay-13-Roots-of-polynomial", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhoweih%2FDay-13-Roots-of-polynomial'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 91d5773cee07d71378a233a576e82a501d5004b5
[INFO] testing howeih/Day-13-Roots-of-polynomial against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhoweih%2FDay-13-Roots-of-polynomial" "/workspace/builds/worker-27/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-27/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/howeih/Day-13-Roots-of-polynomial on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/howeih/Day-13-Roots-of-polynomial
[INFO] finished tweaking git repo https://github.com/howeih/Day-13-Roots-of-polynomial
[INFO] tweaked toml for git repo https://github.com/howeih/Day-13-Roots-of-polynomial written to /workspace/builds/worker-27/source/Cargo.toml
[INFO] crate git repo https://github.com/howeih/Day-13-Roots-of-polynomial already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 16c12df1e84e5cf35fa0fd55586b0e009f98b3744ff3595033c8251a7a9d5888
[INFO] running `Command { std: "docker" "start" "-a" "16c12df1e84e5cf35fa0fd55586b0e009f98b3744ff3595033c8251a7a9d5888", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "16c12df1e84e5cf35fa0fd55586b0e009f98b3744ff3595033c8251a7a9d5888", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16c12df1e84e5cf35fa0fd55586b0e009f98b3744ff3595033c8251a7a9d5888", kill_on_drop: false }`
[INFO] [stdout] 16c12df1e84e5cf35fa0fd55586b0e009f98b3744ff3595033c8251a7a9d5888
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e55864856fb8af09d3ed5195af6445f66549d6822f84e366760c9b392455826
[INFO] running `Command { std: "docker" "start" "-a" "0e55864856fb8af09d3ed5195af6445f66549d6822f84e366760c9b392455826", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling num-traits v0.2.4
[INFO] [stderr]    Compiling num-integer v0.1.38
[INFO] [stderr]    Compiling matrixmultiply v0.1.14
[INFO] [stderr]    Compiling rawpointer v0.1.0
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling rulinalg v0.4.2
[INFO] [stderr]    Compiling roots_of_polynomial v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.22s
[INFO] running `Command { std: "docker" "inspect" "0e55864856fb8af09d3ed5195af6445f66549d6822f84e366760c9b392455826", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e55864856fb8af09d3ed5195af6445f66549d6822f84e366760c9b392455826", kill_on_drop: false }`
[INFO] [stdout] 0e55864856fb8af09d3ed5195af6445f66549d6822f84e366760c9b392455826
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf605233f4f2ef8c1e4896b2515783f05301a2f38c0a03b381ebc6aa3e1fa1b5
[INFO] running `Command { std: "docker" "start" "-a" "bf605233f4f2ef8c1e4896b2515783f05301a2f38c0a03b381ebc6aa3e1fa1b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling roots_of_polynomial v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "bf605233f4f2ef8c1e4896b2515783f05301a2f38c0a03b381ebc6aa3e1fa1b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf605233f4f2ef8c1e4896b2515783f05301a2f38c0a03b381ebc6aa3e1fa1b5", kill_on_drop: false }`
[INFO] [stdout] bf605233f4f2ef8c1e4896b2515783f05301a2f38c0a03b381ebc6aa3e1fa1b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 793e55d8596e94e58e3579e3019f81ed82202b6f4416341ce09be589b88a1aaa
[INFO] running `Command { std: "docker" "start" "-a" "793e55d8596e94e58e3579e3019f81ed82202b6f4416341ce09be589b88a1aaa", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/roots_of_polynomial-59a2939d6b5bd68c)
[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" "793e55d8596e94e58e3579e3019f81ed82202b6f4416341ce09be589b88a1aaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "793e55d8596e94e58e3579e3019f81ed82202b6f4416341ce09be589b88a1aaa", kill_on_drop: false }`
[INFO] [stdout] 793e55d8596e94e58e3579e3019f81ed82202b6f4416341ce09be589b88a1aaa