[INFO] fetching crate newton-raphson 0.1.0...
[INFO] testing newton-raphson-0.1.0 against 1.54.0 for beta-1.55-1
[INFO] extracting crate newton-raphson 0.1.0 into /workspace/builds/worker-79/source
[INFO] validating manifest of crates.io crate newton-raphson 0.1.0 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate newton-raphson 0.1.0
[INFO] finished tweaking crates.io crate newton-raphson 0.1.0
[INFO] tweaked toml for crates.io crate newton-raphson 0.1.0 written to /workspace/builds/worker-79/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 16313e39c923a9085dc34e088c6da3fe124772b76c578f8ac9007addec2a2c5c
[INFO] running `Command { std: "docker" "start" "-a" "16313e39c923a9085dc34e088c6da3fe124772b76c578f8ac9007addec2a2c5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "16313e39c923a9085dc34e088c6da3fe124772b76c578f8ac9007addec2a2c5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16313e39c923a9085dc34e088c6da3fe124772b76c578f8ac9007addec2a2c5c", kill_on_drop: false }`
[INFO] [stdout] 16313e39c923a9085dc34e088c6da3fe124772b76c578f8ac9007addec2a2c5c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e6d646487df10b92f4008cb189f62667258cf9c91cefa65c6899fa1ed3d9e8f
[INFO] running `Command { std: "docker" "start" "-a" "8e6d646487df10b92f4008cb189f62667258cf9c91cefa65c6899fa1ed3d9e8f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling newton-raphson v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.56s
[INFO] running `Command { std: "docker" "inspect" "8e6d646487df10b92f4008cb189f62667258cf9c91cefa65c6899fa1ed3d9e8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e6d646487df10b92f4008cb189f62667258cf9c91cefa65c6899fa1ed3d9e8f", kill_on_drop: false }`
[INFO] [stdout] 8e6d646487df10b92f4008cb189f62667258cf9c91cefa65c6899fa1ed3d9e8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e44d33502f809f4cf03d7c938ee1bb8ed08cfdaa8908b452fdef17bb4c3b0e50
[INFO] running `Command { std: "docker" "start" "-a" "e44d33502f809f4cf03d7c938ee1bb8ed08cfdaa8908b452fdef17bb4c3b0e50", kill_on_drop: false }`
[INFO] [stderr]    Compiling newton-raphson v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "e44d33502f809f4cf03d7c938ee1bb8ed08cfdaa8908b452fdef17bb4c3b0e50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e44d33502f809f4cf03d7c938ee1bb8ed08cfdaa8908b452fdef17bb4c3b0e50", kill_on_drop: false }`
[INFO] [stdout] e44d33502f809f4cf03d7c938ee1bb8ed08cfdaa8908b452fdef17bb4c3b0e50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2bff5503efd12a8eabac8a222e2d936d9e8baf2aac59336018e60629d578f6fb
[INFO] running `Command { std: "docker" "start" "-a" "2bff5503efd12a8eabac8a222e2d936d9e8baf2aac59336018e60629d578f6fb", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/newton_raphson-91f903ff425c9fd7)
[INFO] [stderr]    Doc-tests newton-raphson
[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] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - find_root (line 30) ... ok
[INFO] [stdout] test src/lib.rs - iteration (line 57) ... ok
[INFO] [stdout] test src/lib.rs - (line 9) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.80s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2bff5503efd12a8eabac8a222e2d936d9e8baf2aac59336018e60629d578f6fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bff5503efd12a8eabac8a222e2d936d9e8baf2aac59336018e60629d578f6fb", kill_on_drop: false }`
[INFO] [stdout] 2bff5503efd12a8eabac8a222e2d936d9e8baf2aac59336018e60629d578f6fb
