[INFO] cloning repository https://github.com/JulianFeinauer/rust-iotdb-demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JulianFeinauer/rust-iotdb-demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJulianFeinauer%2Frust-iotdb-demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJulianFeinauer%2Frust-iotdb-demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 31613f0f158d901550651fa8962c733e22ac5608
[INFO] checking JulianFeinauer/rust-iotdb-demo against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJulianFeinauer%2Frust-iotdb-demo" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JulianFeinauer/rust-iotdb-demo on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JulianFeinauer/rust-iotdb-demo
[INFO] finished tweaking git repo https://github.com/JulianFeinauer/rust-iotdb-demo
[INFO] tweaked toml for git repo https://github.com/JulianFeinauer/rust-iotdb-demo written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/JulianFeinauer/rust-iotdb-demo 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded iotdb-client-rs v0.3.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6650e9f4a414e211034ac5ffff6bd64cd41f9f719d40ee6d066673e5769e0dd6
[INFO] running `Command { std: "docker" "start" "-a" "6650e9f4a414e211034ac5ffff6bd64cd41f9f719d40ee6d066673e5769e0dd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6650e9f4a414e211034ac5ffff6bd64cd41f9f719d40ee6d066673e5769e0dd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6650e9f4a414e211034ac5ffff6bd64cd41f9f719d40ee6d066673e5769e0dd6", kill_on_drop: false }`
[INFO] [stdout] 6650e9f4a414e211034ac5ffff6bd64cd41f9f719d40ee6d066673e5769e0dd6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4970fc87027ce4b3a7f521907fbda751a058b995a06755a7d0130208a6e02df6
[INFO] running `Command { std: "docker" "start" "-a" "4970fc87027ce4b3a7f521907fbda751a058b995a06755a7d0130208a6e02df6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking integer-encoding v3.0.3
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking permutation v0.2.5
[INFO] [stderr]     Checking encode_unicode v0.3.6
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking ordered-float v1.1.1
[INFO] [stderr]     Checking thrift v0.15.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking iotdb-client-rs v0.3.9
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking prettytable-rs v0.8.0
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking rust-iotdb-demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.45s
[INFO] running `Command { std: "docker" "inspect" "4970fc87027ce4b3a7f521907fbda751a058b995a06755a7d0130208a6e02df6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4970fc87027ce4b3a7f521907fbda751a058b995a06755a7d0130208a6e02df6", kill_on_drop: false }`
[INFO] [stdout] 4970fc87027ce4b3a7f521907fbda751a058b995a06755a7d0130208a6e02df6
[INFO] checking JulianFeinauer/rust-iotdb-demo against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJulianFeinauer%2Frust-iotdb-demo" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JulianFeinauer/rust-iotdb-demo on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JulianFeinauer/rust-iotdb-demo
[INFO] finished tweaking git repo https://github.com/JulianFeinauer/rust-iotdb-demo
[INFO] tweaked toml for git repo https://github.com/JulianFeinauer/rust-iotdb-demo written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/JulianFeinauer/rust-iotdb-demo 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c93070e91ec88d20a1d9e25c68ce4974e0eef033232ea6c4181be178519af02a
[INFO] running `Command { std: "docker" "start" "-a" "c93070e91ec88d20a1d9e25c68ce4974e0eef033232ea6c4181be178519af02a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c93070e91ec88d20a1d9e25c68ce4974e0eef033232ea6c4181be178519af02a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c93070e91ec88d20a1d9e25c68ce4974e0eef033232ea6c4181be178519af02a", kill_on_drop: false }`
[INFO] [stdout] c93070e91ec88d20a1d9e25c68ce4974e0eef033232ea6c4181be178519af02a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c7390c474e69795b41bde05284975282a23698ee8060364cbfd0bdf170e82ac2
[INFO] running `Command { std: "docker" "start" "-a" "c7390c474e69795b41bde05284975282a23698ee8060364cbfd0bdf170e82ac2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking integer-encoding v3.0.3
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking encode_unicode v0.3.6
[INFO] [stderr]     Checking permutation v0.2.5
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking ordered-float v1.1.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking thrift v0.15.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking iotdb-client-rs v0.3.9
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking prettytable-rs v0.8.0
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking rust-iotdb-demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.32s
[INFO] running `Command { std: "docker" "inspect" "c7390c474e69795b41bde05284975282a23698ee8060364cbfd0bdf170e82ac2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7390c474e69795b41bde05284975282a23698ee8060364cbfd0bdf170e82ac2", kill_on_drop: false }`
[INFO] [stdout] c7390c474e69795b41bde05284975282a23698ee8060364cbfd0bdf170e82ac2