[INFO] cloning repository https://github.com/erikjohnston/rust-jaeger-python-client
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/erikjohnston/rust-jaeger-python-client" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferikjohnston%2Frust-jaeger-python-client", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferikjohnston%2Frust-jaeger-python-client'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6d30d023f5c46004729b9057e4ad1137f630c78c
[INFO] checking erikjohnston/rust-jaeger-python-client against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferikjohnston%2Frust-jaeger-python-client" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/erikjohnston/rust-jaeger-python-client on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/erikjohnston/rust-jaeger-python-client
[INFO] finished tweaking git repo https://github.com/erikjohnston/rust-jaeger-python-client
[INFO] tweaked toml for git repo https://github.com/erikjohnston/rust-jaeger-python-client written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/erikjohnston/rust-jaeger-python-client 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/apache/thrift`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package
[INFO] [stderr]     Updating rust-python-jaeger-reporter v0.1.21 (/workspace/builds/worker-7-tc1/source) -> v0.1.22
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pyo3-macros v0.16.5
[INFO] [stderr]   Downloaded ordered-float v1.1.1
[INFO] [stderr]   Downloaded integer-encoding v3.0.3
[INFO] [stderr]   Downloaded ordered-float v3.0.0
[INFO] [stderr]   Downloaded target-lexicon v0.12.4
[INFO] [stderr]   Downloaded num_cpus v1.13.1
[INFO] [stderr]   Downloaded anyhow v1.0.57
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.8
[INFO] [stderr]   Downloaded crossbeam-channel v0.5.4
[INFO] [stderr]   Downloaded pyo3-ffi v0.16.5
[INFO] [stderr]   Downloaded syn v1.0.96
[INFO] [stderr]   Downloaded libc v0.2.126
[INFO] [stderr]   Downloaded pyo3 v0.16.5
[INFO] [stderr]   Downloaded smallvec v1.8.0
[INFO] [stderr]   Downloaded once_cell v1.12.0
[INFO] [stderr]   Downloaded pyo3-build-config v0.16.5
[INFO] [stderr]   Downloaded pyo3-macros-backend v0.16.5
[INFO] [stderr]   Downloaded proc-macro2 v1.0.39
[INFO] [stderr]   Downloaded quote v1.0.18
[INFO] [stderr]   Downloaded unicode-ident v1.0.0
[INFO] [stderr]   Downloaded indoc v1.0.6
[INFO] [stderr]   Downloaded redox_syscall v0.2.13
[INFO] [stderr]   Downloaded threadpool v1.8.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] da6f4fba302acdd4cdb98b532208e603b22f39fed69799fe239149acf59d3a89
[INFO] running `Command { std: "docker" "start" "-a" "da6f4fba302acdd4cdb98b532208e603b22f39fed69799fe239149acf59d3a89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da6f4fba302acdd4cdb98b532208e603b22f39fed69799fe239149acf59d3a89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da6f4fba302acdd4cdb98b532208e603b22f39fed69799fe239149acf59d3a89", kill_on_drop: false }`
[INFO] [stdout] da6f4fba302acdd4cdb98b532208e603b22f39fed69799fe239149acf59d3a89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d306e399377fb936e06ccaafbf4bc63d0fb4b0431eb3dac874c1fbdd631d42e
[INFO] running `Command { std: "docker" "start" "-a" "1d306e399377fb936e06ccaafbf4bc63d0fb4b0431eb3dac874c1fbdd631d42e", kill_on_drop: false }`
[INFO] [stderr]    Compiling target-lexicon v0.12.4
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling once_cell v1.12.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling anyhow v1.0.57
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling indoc v1.0.6
[INFO] [stderr]     Checking unindent v0.1.9
[INFO] [stderr]     Checking integer-encoding v3.0.3
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking try_from v0.3.2
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]     Checking crossbeam-channel v0.5.4
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling pyo3-build-config v0.16.5
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking ordered-float v1.1.1
[INFO] [stderr]     Checking ordered-float v3.0.0
[INFO] [stderr]     Checking thrift v0.14.1 (https://github.com/apache/thrift?tag=v0.14.1#f6fa1794)
[INFO] [stderr]    Compiling pyo3-ffi v0.16.5
[INFO] [stderr]    Compiling pyo3 v0.16.5
[INFO] [stderr]    Compiling pyo3-macros-backend v0.16.5
[INFO] [stderr]    Compiling pyo3-macros v0.16.5
[INFO] [stderr]     Checking rust-python-jaeger-reporter v0.1.22 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.99s
[INFO] running `Command { std: "docker" "inspect" "1d306e399377fb936e06ccaafbf4bc63d0fb4b0431eb3dac874c1fbdd631d42e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d306e399377fb936e06ccaafbf4bc63d0fb4b0431eb3dac874c1fbdd631d42e", kill_on_drop: false }`
[INFO] [stdout] 1d306e399377fb936e06ccaafbf4bc63d0fb4b0431eb3dac874c1fbdd631d42e