[INFO] cloning repository https://github.com/hhatto/fast-woothee-python
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hhatto/fast-woothee-python" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhhatto%2Ffast-woothee-python", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhhatto%2Ffast-woothee-python'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ba7bd3e9783ae0abecff9d8ebec761d7610fe5bd
[INFO] checking hhatto/fast-woothee-python against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhhatto%2Ffast-woothee-python" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hhatto/fast-woothee-python on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hhatto/fast-woothee-python
[INFO] finished tweaking git repo https://github.com/hhatto/fast-woothee-python
[INFO] tweaked toml for git repo https://github.com/hhatto/fast-woothee-python written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/hhatto/fast-woothee-python already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_json v1.0.43
[INFO] [stderr]   Downloaded pyo3 v0.8.3
[INFO] [stderr]   Downloaded pyo3-derive-backend v0.8.3
[INFO] [stderr]   Downloaded pyo3cls v0.8.3
[INFO] [stderr]   Downloaded woothee v0.10.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 83f4c0622535a6edbd7ce66d34eaf2815c90bd3da87af93cb916e7bf7abd0eca
[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" "83f4c0622535a6edbd7ce66d34eaf2815c90bd3da87af93cb916e7bf7abd0eca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83f4c0622535a6edbd7ce66d34eaf2815c90bd3da87af93cb916e7bf7abd0eca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83f4c0622535a6edbd7ce66d34eaf2815c90bd3da87af93cb916e7bf7abd0eca", kill_on_drop: false }`
[INFO] [stdout] 83f4c0622535a6edbd7ce66d34eaf2815c90bd3da87af93cb916e7bf7abd0eca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e49939cd8ac8c5f97442bc22a7f77031a849651bede6c87eab4dc56bde3c332
[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" "8e49939cd8ac8c5f97442bc22a7f77031a849651bede6c87eab4dc56bde3c332", kill_on_drop: false }`
[INFO] [stderr]    Compiling unindent v0.1.5
[INFO] [stderr]    Compiling woothee v0.10.0
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling ghost v0.1.1
[INFO] [stderr]    Compiling inventory-impl v0.1.4
[INFO] [stderr]    Compiling ctor v0.1.12
[INFO] [stderr]    Compiling pyo3-derive-backend v0.8.3
[INFO] [stderr]    Compiling serde v1.0.103
[INFO] [stderr]    Compiling indoc-impl v0.3.4
[INFO] [stderr]    Compiling paste-impl v0.1.6
[INFO] [stderr]     Checking inventory v0.1.4
[INFO] [stderr]     Checking indoc v0.3.4
[INFO] [stderr]    Compiling pyo3cls v0.8.3
[INFO] [stderr]     Checking paste v0.1.6
[INFO] [stderr]    Compiling serde_json v1.0.43
[INFO] [stderr]    Compiling pyo3 v0.8.3
[INFO] [stderr]     Checking fast-woothee v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(specialization)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout]   = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stdout]   = help: consider using `min_specialization` instead, which is more stable and complete
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(specialization)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout]   = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stdout]   = help: consider using `min_specialization` instead, which is more stable and complete
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.24s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8e49939cd8ac8c5f97442bc22a7f77031a849651bede6c87eab4dc56bde3c332", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e49939cd8ac8c5f97442bc22a7f77031a849651bede6c87eab4dc56bde3c332", kill_on_drop: false }`
[INFO] [stdout] 8e49939cd8ac8c5f97442bc22a7f77031a849651bede6c87eab4dc56bde3c332