[INFO] fetching crate nj-learn-rs 0.1.0...
[INFO] testing nj-learn-rs-0.1.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate nj-learn-rs 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate nj-learn-rs 0.1.0
[INFO] finished tweaking crates.io crate nj-learn-rs 0.1.0
[INFO] tweaked toml for crates.io crate nj-learn-rs 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate nj-learn-rs 0.1.0 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0d2cba329a2d56a649b5760a36b85e5c45710505d366ff1aa1819742139f666f
[INFO] running `Command { std: "docker" "start" "-a" "0d2cba329a2d56a649b5760a36b85e5c45710505d366ff1aa1819742139f666f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d2cba329a2d56a649b5760a36b85e5c45710505d366ff1aa1819742139f666f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d2cba329a2d56a649b5760a36b85e5c45710505d366ff1aa1819742139f666f", kill_on_drop: false }`
[INFO] [stdout] 0d2cba329a2d56a649b5760a36b85e5c45710505d366ff1aa1819742139f666f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2dd09245d0cccb3d9b592a81ffb17b719d85bc7ee0bf267eb4356b6ae441d653
[INFO] running `Command { std: "docker" "start" "-a" "2dd09245d0cccb3d9b592a81ffb17b719d85bc7ee0bf267eb4356b6ae441d653", kill_on_drop: false }`
[INFO] [stderr]    Compiling nj-learn-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "2dd09245d0cccb3d9b592a81ffb17b719d85bc7ee0bf267eb4356b6ae441d653", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dd09245d0cccb3d9b592a81ffb17b719d85bc7ee0bf267eb4356b6ae441d653", kill_on_drop: false }`
[INFO] [stdout] 2dd09245d0cccb3d9b592a81ffb17b719d85bc7ee0bf267eb4356b6ae441d653
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4620fec315bef19cd64eced332b95eae4fed4c272620940e09f9078daaeb2c44
[INFO] running `Command { std: "docker" "start" "-a" "4620fec315bef19cd64eced332b95eae4fed4c272620940e09f9078daaeb2c44", kill_on_drop: false }`
[INFO] [stderr]    Compiling nj-learn-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "4620fec315bef19cd64eced332b95eae4fed4c272620940e09f9078daaeb2c44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4620fec315bef19cd64eced332b95eae4fed4c272620940e09f9078daaeb2c44", kill_on_drop: false }`
[INFO] [stdout] 4620fec315bef19cd64eced332b95eae4fed4c272620940e09f9078daaeb2c44
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 796a2ae884b3e6d96a54e026e8647565f0aa1e1155f77897196c98911d17abb6
[INFO] running `Command { std: "docker" "start" "-a" "796a2ae884b3e6d96a54e026e8647565f0aa1e1155f77897196c98911d17abb6", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/nj_learn_rs-3aa64f54146f18a5)
[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 nj_learn_rs
[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" "796a2ae884b3e6d96a54e026e8647565f0aa1e1155f77897196c98911d17abb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "796a2ae884b3e6d96a54e026e8647565f0aa1e1155f77897196c98911d17abb6", kill_on_drop: false }`
[INFO] [stdout] 796a2ae884b3e6d96a54e026e8647565f0aa1e1155f77897196c98911d17abb6