[INFO] cloning repository https://github.com/itsx/celery-exporter-experiments
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/itsx/celery-exporter-experiments" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fitsx%2Fcelery-exporter-experiments", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fitsx%2Fcelery-exporter-experiments'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9b0f53d7d7ba410af5ef36342f4ed693e08d52a1
[INFO] testing itsx/celery-exporter-experiments against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fitsx%2Fcelery-exporter-experiments" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-4-tc2/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/itsx/celery-exporter-experiments
[INFO] finished tweaking git repo https://github.com/itsx/celery-exporter-experiments
[INFO] tweaked toml for git repo https://github.com/itsx/celery-exporter-experiments written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/itsx/celery-exporter-experiments on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/itsx/celery-exporter-experiments 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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 26e1d048076e8b56773dc804d4eaa1d7ded9602c29262b6965ed6702e2b95eba
[INFO] running `Command { std: "docker" "start" "-a" "26e1d048076e8b56773dc804d4eaa1d7ded9602c29262b6965ed6702e2b95eba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26e1d048076e8b56773dc804d4eaa1d7ded9602c29262b6965ed6702e2b95eba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26e1d048076e8b56773dc804d4eaa1d7ded9602c29262b6965ed6702e2b95eba", kill_on_drop: false }`
[INFO] [stdout] 26e1d048076e8b56773dc804d4eaa1d7ded9602c29262b6965ed6702e2b95eba
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7bfa7585668b5dbe61cf82a9789fc9fb48e1624046becf7a7014b4b71ba0f2f4
[INFO] running `Command { std: "docker" "start" "-a" "7bfa7585668b5dbe61cf82a9789fc9fb48e1624046becf7a7014b4b71ba0f2f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]    Compiling regex v1.1.9
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]    Compiling utf8-ranges v1.0.3
[INFO] [stderr]    Compiling proc-macro-hack-impl v0.4.1
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling libc v0.2.59
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling spin v0.5.0
[INFO] [stderr]    Compiling aho-corasick v0.7.4
[INFO] [stderr]    Compiling regex-syntax v0.6.8
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling proc-macro-hack v0.4.1
[INFO] [stderr]    Compiling hashbrown v0.1.8
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling mashup-impl v0.1.9
[INFO] [stderr]    Compiling lru v0.1.15
[INFO] [stderr]    Compiling mashup v0.1.9
[INFO] [stderr]    Compiling pyo3 v0.7.0
[INFO] [stderr] error: failed to run custom build command for `pyo3 v0.7.0`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/pyo3-253c43ec6e2de710/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   Error: "Could not find any interpreter at python, are you sure you have python installed on your PATH?"
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "7bfa7585668b5dbe61cf82a9789fc9fb48e1624046becf7a7014b4b71ba0f2f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bfa7585668b5dbe61cf82a9789fc9fb48e1624046becf7a7014b4b71ba0f2f4", kill_on_drop: false }`
[INFO] [stdout] 7bfa7585668b5dbe61cf82a9789fc9fb48e1624046becf7a7014b4b71ba0f2f4