[INFO] crate scan4df 0.2.1 is already in cache
[INFO] testing scan4df-0.2.1 against 1.45.2 for beta-1.46-1
[INFO] extracting crate scan4df 0.2.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate scan4df 0.2.1 on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate scan4df 0.2.1
[INFO] finished tweaking crates.io crate scan4df 0.2.1
[INFO] tweaked toml for crates.io crate scan4df 0.2.1 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate scan4df 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 01dadc6e647d3dadc9a774f163067d25c5ead19b021b08de37b2df89f5e6fd52
[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" "01dadc6e647d3dadc9a774f163067d25c5ead19b021b08de37b2df89f5e6fd52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "01dadc6e647d3dadc9a774f163067d25c5ead19b021b08de37b2df89f5e6fd52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01dadc6e647d3dadc9a774f163067d25c5ead19b021b08de37b2df89f5e6fd52", kill_on_drop: false }`
[INFO] [stdout] 01dadc6e647d3dadc9a774f163067d25c5ead19b021b08de37b2df89f5e6fd52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 78e6053fa29c736322a1f31ea25b4189d6aa2e623e79d6970395840c7df2423a
[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" "78e6053fa29c736322a1f31ea25b4189d6aa2e623e79d6970395840c7df2423a", kill_on_drop: false }`
[INFO] [stderr]    Compiling scan4df v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "78e6053fa29c736322a1f31ea25b4189d6aa2e623e79d6970395840c7df2423a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78e6053fa29c736322a1f31ea25b4189d6aa2e623e79d6970395840c7df2423a", kill_on_drop: false }`
[INFO] [stdout] 78e6053fa29c736322a1f31ea25b4189d6aa2e623e79d6970395840c7df2423a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 823a81ef8b0d87b1f6285a167792a0c40306be38763f8c9b35f80f4fe5ef86c8
[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" "823a81ef8b0d87b1f6285a167792a0c40306be38763f8c9b35f80f4fe5ef86c8", kill_on_drop: false }`
[INFO] [stderr]    Compiling scan4df v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `Command { std: "docker" "inspect" "823a81ef8b0d87b1f6285a167792a0c40306be38763f8c9b35f80f4fe5ef86c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "823a81ef8b0d87b1f6285a167792a0c40306be38763f8c9b35f80f4fe5ef86c8", kill_on_drop: false }`
[INFO] [stdout] 823a81ef8b0d87b1f6285a167792a0c40306be38763f8c9b35f80f4fe5ef86c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 37e04bbf01fee8c27328548062fde4ef7aff32b54833fda1cd28995ae6d8ac0a
[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" "37e04bbf01fee8c27328548062fde4ef7aff32b54833fda1cd28995ae6d8ac0a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/scan4df-072a50400fc5b1d7
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests scan4df
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_crate_version ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "37e04bbf01fee8c27328548062fde4ef7aff32b54833fda1cd28995ae6d8ac0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37e04bbf01fee8c27328548062fde4ef7aff32b54833fda1cd28995ae6d8ac0a", kill_on_drop: false }`
[INFO] [stdout] 37e04bbf01fee8c27328548062fde4ef7aff32b54833fda1cd28995ae6d8ac0a