[INFO] cloning repository https://github.com/ermakov-oleg/serpyco-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ermakov-oleg/serpyco-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fermakov-oleg%2Fserpyco-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fermakov-oleg%2Fserpyco-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7f6da54188900da4e894281638cf73dd66c8829e
[INFO] checking ermakov-oleg/serpyco-rs against master#5518eaa946291f00471af8b254b2a1715f234882 for pr-120393
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fermakov-oleg%2Fserpyco-rs" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ermakov-oleg/serpyco-rs on toolchain 5518eaa946291f00471af8b254b2a1715f234882
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ermakov-oleg/serpyco-rs
[INFO] finished tweaking git repo https://github.com/ermakov-oleg/serpyco-rs
[INFO] tweaked toml for git repo https://github.com/ermakov-oleg/serpyco-rs written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ermakov-oleg/serpyco-rs 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" "+5518eaa946291f00471af8b254b2a1715f234882" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded speedate v0.13.0
[INFO] [stderr]   Downloaded pyo3-ffi v0.20.2
[INFO] [stderr]   Downloaded pyo3-macros v0.20.2
[INFO] [stderr]   Downloaded pyo3-build-config v0.20.2
[INFO] [stderr]   Downloaded pyo3-macros-backend v0.20.2
[INFO] [stderr]   Downloaded pyo3 v0.20.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dd38dd3889d69bc130ec39d99eea3381518e6a1b80b54943f4966d0ea2c937b4
[INFO] running `Command { std: "docker" "start" "-a" "dd38dd3889d69bc130ec39d99eea3381518e6a1b80b54943f4966d0ea2c937b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd38dd3889d69bc130ec39d99eea3381518e6a1b80b54943f4966d0ea2c937b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd38dd3889d69bc130ec39d99eea3381518e6a1b80b54943f4966d0ea2c937b4", kill_on_drop: false }`
[INFO] [stdout] dd38dd3889d69bc130ec39d99eea3381518e6a1b80b54943f4966d0ea2c937b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+5518eaa946291f00471af8b254b2a1715f234882" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3daa41b3d3c634f3773bd6035874e43617bae8aab6d4476b7d352274a8a53e58
[INFO] running `Command { std: "docker" "start" "-a" "3daa41b3d3c634f3773bd6035874e43617bae8aab6d4476b7d352274a8a53e58", kill_on_drop: false }`
[INFO] [stderr]    Compiling target-lexicon v0.12.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]     Checking smallvec v1.11.1
[INFO] [stderr]     Checking unindent v0.2.3
[INFO] [stderr]    Compiling indoc v2.0.4
[INFO] [stderr]     Checking uuid v1.7.0
[INFO] [stderr]     Checking dyn-clone v1.0.16
[INFO] [stderr]     Checking atomic_refcell v0.1.13
[INFO] [stderr]    Compiling pyo3-build-config v0.20.2
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]    Compiling syn v2.0.28
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling pyo3-ffi v0.20.2
[INFO] [stderr]    Compiling pyo3 v0.20.2
[INFO] [stderr]    Compiling pyo3-macros-backend v0.20.2
[INFO] [stderr]    Compiling strum_macros v0.25.0
[INFO] [stderr]     Checking strum v0.25.0
[INFO] [stderr]    Compiling pyo3-macros v0.20.2
[INFO] [stderr]     Checking speedate v0.13.0
[INFO] [stderr]     Checking serpyco-rs v1.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `MutableSequence`
[INFO] [stdout]   --> src/validator/mod.rs:11:30
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub use value::{Array, Dict, MutableSequence, Sequence, Tuple, Value};
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `MutableSequence`
[INFO] [stdout]   --> src/validator/mod.rs:11:30
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub use value::{Array, Dict, MutableSequence, Sequence, Tuple, Value};
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.01s
[INFO] running `Command { std: "docker" "inspect" "3daa41b3d3c634f3773bd6035874e43617bae8aab6d4476b7d352274a8a53e58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3daa41b3d3c634f3773bd6035874e43617bae8aab6d4476b7d352274a8a53e58", kill_on_drop: false }`
[INFO] [stdout] 3daa41b3d3c634f3773bd6035874e43617bae8aab6d4476b7d352274a8a53e58