[INFO] fetching crate poloto-evcxr 0.2.0...
[INFO] testing poloto-evcxr-0.2.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate poloto-evcxr 0.2.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate poloto-evcxr 0.2.0
[INFO] finished tweaking crates.io crate poloto-evcxr 0.2.0
[INFO] tweaked toml for crates.io crate poloto-evcxr 0.2.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate poloto-evcxr 0.2.0 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate poloto-evcxr 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 74b61fc9563394ed73232c738f10380ae886a57c1ec4a5e8ceabb7c3dc9f0964
[INFO] running `Command { std: "docker" "start" "-a" "74b61fc9563394ed73232c738f10380ae886a57c1ec4a5e8ceabb7c3dc9f0964", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74b61fc9563394ed73232c738f10380ae886a57c1ec4a5e8ceabb7c3dc9f0964", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74b61fc9563394ed73232c738f10380ae886a57c1ec4a5e8ceabb7c3dc9f0964", kill_on_drop: false }`
[INFO] [stdout] 74b61fc9563394ed73232c738f10380ae886a57c1ec4a5e8ceabb7c3dc9f0964
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d86fd280ad0d5f94d5983fc20c9b2b5bcbca979f4997b409f810c1ed12167d9
[INFO] running `Command { std: "docker" "start" "-a" "1d86fd280ad0d5f94d5983fc20c9b2b5bcbca979f4997b409f810c1ed12167d9", kill_on_drop: false }`
[INFO] [stderr]    Compiling tagu v0.1.0
[INFO] [stderr]    Compiling base64 v0.21.2
[INFO] [stderr]    Compiling poloto v19.1.0
[INFO] [stderr]    Compiling poloto-evcxr v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.53s
[INFO] running `Command { std: "docker" "inspect" "1d86fd280ad0d5f94d5983fc20c9b2b5bcbca979f4997b409f810c1ed12167d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d86fd280ad0d5f94d5983fc20c9b2b5bcbca979f4997b409f810c1ed12167d9", kill_on_drop: false }`
[INFO] [stdout] 1d86fd280ad0d5f94d5983fc20c9b2b5bcbca979f4997b409f810c1ed12167d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3dfdc781e7d5be769280d3fadbd358f2e061881437210a2b8043ebab0942f1f2
[INFO] running `Command { std: "docker" "start" "-a" "3dfdc781e7d5be769280d3fadbd358f2e061881437210a2b8043ebab0942f1f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling poloto-evcxr v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "3dfdc781e7d5be769280d3fadbd358f2e061881437210a2b8043ebab0942f1f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3dfdc781e7d5be769280d3fadbd358f2e061881437210a2b8043ebab0942f1f2", kill_on_drop: false }`
[INFO] [stdout] 3dfdc781e7d5be769280d3fadbd358f2e061881437210a2b8043ebab0942f1f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 00b82dbef9341667839c904dd8415637ef6118992b6ae0144f5753502b77cfcc
[INFO] running `Command { std: "docker" "start" "-a" "00b82dbef9341667839c904dd8415637ef6118992b6ae0144f5753502b77cfcc", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/poloto_evcxr-069893bc2e3c3a4b)
[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 poloto_evcxr
[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" "00b82dbef9341667839c904dd8415637ef6118992b6ae0144f5753502b77cfcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00b82dbef9341667839c904dd8415637ef6118992b6ae0144f5753502b77cfcc", kill_on_drop: false }`
[INFO] [stdout] 00b82dbef9341667839c904dd8415637ef6118992b6ae0144f5753502b77cfcc