[INFO] fetching crate poloto-evcxr 0.2.0...
[INFO] testing poloto-evcxr-0.2.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8
[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 c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9c9585fb9caad24b7cb3691a04f6ec7e111b8c4f826f5ed1473fb00d315e0783
[INFO] running `Command { std: "docker" "start" "-a" "9c9585fb9caad24b7cb3691a04f6ec7e111b8c4f826f5ed1473fb00d315e0783", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c9585fb9caad24b7cb3691a04f6ec7e111b8c4f826f5ed1473fb00d315e0783", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c9585fb9caad24b7cb3691a04f6ec7e111b8c4f826f5ed1473fb00d315e0783", kill_on_drop: false }`
[INFO] [stdout] 9c9585fb9caad24b7cb3691a04f6ec7e111b8c4f826f5ed1473fb00d315e0783
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d5a36665e558ec7cb59fe5ac50c6a6154540d859691da021f9b63109f5b57c53
[INFO] running `Command { std: "docker" "start" "-a" "d5a36665e558ec7cb59fe5ac50c6a6154540d859691da021f9b63109f5b57c53", 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 1.28s
[INFO] running `Command { std: "docker" "inspect" "d5a36665e558ec7cb59fe5ac50c6a6154540d859691da021f9b63109f5b57c53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5a36665e558ec7cb59fe5ac50c6a6154540d859691da021f9b63109f5b57c53", kill_on_drop: false }`
[INFO] [stdout] d5a36665e558ec7cb59fe5ac50c6a6154540d859691da021f9b63109f5b57c53
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 172a40f7d6d8f19ebf61bbbb5c7213539609751331746a013c5ebfaec9278e1c
[INFO] running `Command { std: "docker" "start" "-a" "172a40f7d6d8f19ebf61bbbb5c7213539609751331746a013c5ebfaec9278e1c", 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 0.24s
[INFO] running `Command { std: "docker" "inspect" "172a40f7d6d8f19ebf61bbbb5c7213539609751331746a013c5ebfaec9278e1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "172a40f7d6d8f19ebf61bbbb5c7213539609751331746a013c5ebfaec9278e1c", kill_on_drop: false }`
[INFO] [stdout] 172a40f7d6d8f19ebf61bbbb5c7213539609751331746a013c5ebfaec9278e1c
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c9bd00febea7cd671a121e106b3d40a5bcc12185d9cdf6763dd25a668ab6de8e
[INFO] running `Command { std: "docker" "start" "-a" "c9bd00febea7cd671a121e106b3d40a5bcc12185d9cdf6763dd25a668ab6de8e", 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-5b3c2af563433c13)
[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" "c9bd00febea7cd671a121e106b3d40a5bcc12185d9cdf6763dd25a668ab6de8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9bd00febea7cd671a121e106b3d40a5bcc12185d9cdf6763dd25a668ab6de8e", kill_on_drop: false }`
[INFO] [stdout] c9bd00febea7cd671a121e106b3d40a5bcc12185d9cdf6763dd25a668ab6de8e