[INFO] fetching crate tass 0.2.0...
[INFO] testing tass-0.2.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate tass 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate tass 0.2.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tass 0.2.0
[INFO] finished tweaking crates.io crate tass 0.2.0
[INFO] tweaked toml for crates.io crate tass 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate tass 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crossterm_winapi v0.6.2
[INFO] [stderr]   Downloaded signal-hook-registry v1.2.2
[INFO] [stderr]   Downloaded smallvec v1.5.0
[INFO] [stderr]   Downloaded pad v0.1.6
[INFO] [stderr]   Downloaded crossterm v0.18.2
[INFO] [stderr]   Downloaded mio v0.7.6
[INFO] [stderr]   Downloaded bytecount v0.6.1
[INFO] [stderr]   Downloaded syn v1.0.52
[INFO] [stderr]   Downloaded ndarray-csv v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 10cb689aa5ecab9f5484f9532623970b4c83792b1098052345232bc9e89d0ab9
[INFO] running `Command { std: "docker" "start" "-a" "10cb689aa5ecab9f5484f9532623970b4c83792b1098052345232bc9e89d0ab9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10cb689aa5ecab9f5484f9532623970b4c83792b1098052345232bc9e89d0ab9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10cb689aa5ecab9f5484f9532623970b4c83792b1098052345232bc9e89d0ab9", kill_on_drop: false }`
[INFO] [stdout] 10cb689aa5ecab9f5484f9532623970b4c83792b1098052345232bc9e89d0ab9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ae3e180dc10be3a3b291678db3a73c983d1ac9c6d6f8bf315e75388ac9ff4c2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2ae3e180dc10be3a3b291678db3a73c983d1ac9c6d6f8bf315e75388ac9ff4c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.52
[INFO] [stderr]    Compiling bytecount v0.6.1
[INFO] [stderr]    Compiling pad v0.1.6
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling grep-matcher v0.1.4
[INFO] [stderr]    Compiling parking_lot_core v0.8.0
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling bstr v0.2.14
[INFO] [stderr]    Compiling mio v0.7.6
[INFO] [stderr]    Compiling encoding_rs_io v0.1.7
[INFO] [stderr]    Compiling ndarray v0.13.1
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling signal-hook v0.1.16
[INFO] [stderr]    Compiling crossterm v0.18.2
[INFO] [stderr]    Compiling csv v1.1.5
[INFO] [stderr]    Compiling grep-searcher v0.1.7
[INFO] [stderr]    Compiling grep-regex v0.1.8
[INFO] [stderr]    Compiling ndarray-csv v0.4.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.13
[INFO] [stderr]    Compiling structopt v0.3.20
[INFO] [stderr]    Compiling tass v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 54.21s
[INFO] running `Command { std: "docker" "inspect" "2ae3e180dc10be3a3b291678db3a73c983d1ac9c6d6f8bf315e75388ac9ff4c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ae3e180dc10be3a3b291678db3a73c983d1ac9c6d6f8bf315e75388ac9ff4c2", kill_on_drop: false }`
[INFO] [stdout] 2ae3e180dc10be3a3b291678db3a73c983d1ac9c6d6f8bf315e75388ac9ff4c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3222d559101d6d134a6e1cae6fd2b81ade56329a62549546fe19c8142d9cb872
[INFO] running `Command { std: "docker" "start" "-a" "3222d559101d6d134a6e1cae6fd2b81ade56329a62549546fe19c8142d9cb872", kill_on_drop: false }`
[INFO] [stderr]    Compiling tass v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.00s
[INFO] running `Command { std: "docker" "inspect" "3222d559101d6d134a6e1cae6fd2b81ade56329a62549546fe19c8142d9cb872", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3222d559101d6d134a6e1cae6fd2b81ade56329a62549546fe19c8142d9cb872", kill_on_drop: false }`
[INFO] [stdout] 3222d559101d6d134a6e1cae6fd2b81ade56329a62549546fe19c8142d9cb872
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d01ae0807171b60ea93aa6ae67659d5df8f7c65a6d79ee37f5e373dc6d13c0f6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d01ae0807171b60ea93aa6ae67659d5df8f7c65a6d79ee37f5e373dc6d13c0f6", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tass-554d3aa58ce2a7bf
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test dataframe::tests::test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d01ae0807171b60ea93aa6ae67659d5df8f7c65a6d79ee37f5e373dc6d13c0f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d01ae0807171b60ea93aa6ae67659d5df8f7c65a6d79ee37f5e373dc6d13c0f6", kill_on_drop: false }`
[INFO] [stdout] d01ae0807171b60ea93aa6ae67659d5df8f7c65a6d79ee37f5e373dc6d13c0f6