[INFO] fetching crate nicompiler_backend 0.3.0...
[INFO] checking nicompiler_backend-0.3.0 against master#f167efad2f51088d86180ee89177b3d7c9e7c2f5 for pr-129543
[INFO] extracting crate nicompiler_backend 0.3.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate nicompiler_backend 0.3.0 on toolchain f167efad2f51088d86180ee89177b3d7c9e7c2f5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-6-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate nicompiler_backend 0.3.0
[INFO] finished tweaking crates.io crate nicompiler_backend 0.3.0
[INFO] tweaked toml for crates.io crate nicompiler_backend 0.3.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate nicompiler_backend 0.3.0 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" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pyo3-macros-backend v0.19.2
[INFO] [stderr]   Downloaded pyo3-macros v0.19.2
[INFO] [stderr]   Downloaded pyo3 v0.19.2
[INFO] [stderr]   Downloaded target-lexicon v0.12.11
[INFO] [stderr]   Downloaded inventory v0.3.11
[INFO] [stderr]   Downloaded pyo3-ffi v0.19.2
[INFO] [stderr]   Downloaded numpy v0.19.0
[INFO] [stderr]   Downloaded pyo3-build-config v0.19.2
[INFO] [stderr]   Downloaded matrixmultiply v0.3.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c2524f88fa3e928de6fea1539f6e0175c8bedb84a5611ff3313977b46eef4974
[INFO] running `Command { std: "docker" "start" "-a" "c2524f88fa3e928de6fea1539f6e0175c8bedb84a5611ff3313977b46eef4974", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2524f88fa3e928de6fea1539f6e0175c8bedb84a5611ff3313977b46eef4974", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2524f88fa3e928de6fea1539f6e0175c8bedb84a5611ff3313977b46eef4974", kill_on_drop: false }`
[INFO] [stdout] c2524f88fa3e928de6fea1539f6e0175c8bedb84a5611ff3313977b46eef4974
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 50c20a2a4184857e96700ec431d1540d3876d2151b10655d061a85f521d8cbd6
[INFO] running `Command { std: "docker" "start" "-a" "50c20a2a4184857e96700ec431d1540d3876d2151b10655d061a85f521d8cbd6", kill_on_drop: false }`
[INFO] [stderr]    Compiling target-lexicon v0.12.11
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]    Compiling matrixmultiply v0.3.7
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking smallvec v1.11.0
[INFO] [stderr]     Checking unindent v0.1.11
[INFO] [stderr]     Checking inventory v0.3.11
[INFO] [stderr]    Compiling indoc v1.0.9
[INFO] [stderr]     Checking regex-syntax v0.7.4
[INFO] [stderr]    Compiling nicompiler_backend v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking aho-corasick v1.0.4
[INFO] [stderr]    Compiling pyo3-build-config v0.19.2
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking num-complex v0.4.4
[INFO] [stderr]     Checking ndarray v0.15.6
[INFO] [stderr]    Compiling pyo3-ffi v0.19.2
[INFO] [stderr]    Compiling pyo3 v0.19.2
[INFO] [stderr]     Checking regex-automata v0.3.6
[INFO] [stderr]    Compiling pyo3-macros-backend v0.19.2
[INFO] [stderr]     Checking regex v1.9.3
[INFO] [stderr]    Compiling pyo3-macros v0.19.2
[INFO] [stderr]     Checking numpy v0.19.0
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.62s
[INFO] running `Command { std: "docker" "inspect" "50c20a2a4184857e96700ec431d1540d3876d2151b10655d061a85f521d8cbd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50c20a2a4184857e96700ec431d1540d3876d2151b10655d061a85f521d8cbd6", kill_on_drop: false }`
[INFO] [stdout] 50c20a2a4184857e96700ec431d1540d3876d2151b10655d061a85f521d8cbd6