[INFO] fetching crate newton-raphson 0.1.0...
[INFO] testing newton-raphson-0.1.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate newton-raphson 0.1.0 into /workspace/builds/worker-21/source
[INFO] validating manifest of crates.io crate newton-raphson 0.1.0 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 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-21/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] 7b95caaeeb57671d3ae27fdab67fc124f4d2f21056286607e9b04a75b56c3098
[INFO] running `Command { std: "docker" "start" "-a" "7b95caaeeb57671d3ae27fdab67fc124f4d2f21056286607e9b04a75b56c3098", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b95caaeeb57671d3ae27fdab67fc124f4d2f21056286607e9b04a75b56c3098", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b95caaeeb57671d3ae27fdab67fc124f4d2f21056286607e9b04a75b56c3098", kill_on_drop: false }`
[INFO] [stdout] 7b95caaeeb57671d3ae27fdab67fc124f4d2f21056286607e9b04a75b56c3098
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] 618509c9ed097ceec99c3faabacd34d82af657087b50d2a0a93a5393de1963e8
[INFO] running `Command { std: "docker" "start" "-a" "618509c9ed097ceec99c3faabacd34d82af657087b50d2a0a93a5393de1963e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling newton-raphson v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "618509c9ed097ceec99c3faabacd34d82af657087b50d2a0a93a5393de1963e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "618509c9ed097ceec99c3faabacd34d82af657087b50d2a0a93a5393de1963e8", kill_on_drop: false }`
[INFO] [stdout] 618509c9ed097ceec99c3faabacd34d82af657087b50d2a0a93a5393de1963e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] d3d23ffcfba7e7bb90c5e03f05ed0281fdf6702c9cdf072a7aa1f0cc6f0172b6
[INFO] running `Command { std: "docker" "start" "-a" "d3d23ffcfba7e7bb90c5e03f05ed0281fdf6702c9cdf072a7aa1f0cc6f0172b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling newton-raphson v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.42s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/newton_raphson-24a61f1f0f08b0e5)
[INFO] running `Command { std: "docker" "inspect" "d3d23ffcfba7e7bb90c5e03f05ed0281fdf6702c9cdf072a7aa1f0cc6f0172b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3d23ffcfba7e7bb90c5e03f05ed0281fdf6702c9cdf072a7aa1f0cc6f0172b6", kill_on_drop: false }`
[INFO] [stdout] d3d23ffcfba7e7bb90c5e03f05ed0281fdf6702c9cdf072a7aa1f0cc6f0172b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] 5248dad585cc16b0dfbe8613bbf36d4e8eb73df71d5d46578cae8bc06702b63c
[INFO] running `Command { std: "docker" "start" "-a" "5248dad585cc16b0dfbe8613bbf36d4e8eb73df71d5d46578cae8bc06702b63c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/newton_raphson-24a61f1f0f08b0e5)
[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 newton-raphson
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 9) ... ok
[INFO] [stdout] test src/lib.rs - find_root (line 30) ... ok
[INFO] [stdout] test src/lib.rs - iteration (line 57) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.19s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5248dad585cc16b0dfbe8613bbf36d4e8eb73df71d5d46578cae8bc06702b63c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5248dad585cc16b0dfbe8613bbf36d4e8eb73df71d5d46578cae8bc06702b63c", kill_on_drop: false }`
[INFO] [stdout] 5248dad585cc16b0dfbe8613bbf36d4e8eb73df71d5d46578cae8bc06702b63c