[INFO] fetching crate rustpython-ast 0.4.0...
[INFO] checking rustpython-ast-0.4.0 against master#0f6e1ae67854c3c44726e8376144c16b465fe7c6 for pr-129392
[INFO] extracting crate rustpython-ast 0.4.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate rustpython-ast 0.4.0 on toolchain 0f6e1ae67854c3c44726e8376144c16b465fe7c6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0f6e1ae67854c3c44726e8376144c16b465fe7c6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rustpython-ast 0.4.0
[INFO] finished tweaking crates.io crate rustpython-ast 0.4.0
[INFO] tweaked toml for crates.io crate rustpython-ast 0.4.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0f6e1ae67854c3c44726e8376144c16b465fe7c6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 47 packages to latest compatible versions
[INFO] [stderr]       Adding convert_case v0.4.0 (latest: v0.6.0)
[INFO] [stderr]       Adding derive_more v0.99.18 (latest: v1.0.0)
[INFO] [stderr]       Adding itertools v0.11.0 (latest: v0.13.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0f6e1ae67854c3c44726e8376144c16b465fe7c6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustpython-parser-core v0.4.0
[INFO] [stderr]   Downloaded malachite v0.4.15
[INFO] [stderr]   Downloaded rustpython-literal v0.4.0
[INFO] [stderr]   Downloaded unic-ucd-category v0.9.0
[INFO] [stderr]   Downloaded rustpython-parser-vendored v0.4.0
[INFO] [stderr]   Downloaded malachite-q v0.4.15
[INFO] [stderr]   Downloaded malachite-bigint v0.2.0
[INFO] [stderr]   Downloaded malachite-base v0.4.15
[INFO] [stderr]   Downloaded malachite-nz v0.4.15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+0f6e1ae67854c3c44726e8376144c16b465fe7c6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0ce03f48d3283f0e58a45e5b07e7404e99cf687628655940d2d7950dd0dfbc3f
[INFO] running `Command { std: "docker" "start" "-a" "0ce03f48d3283f0e58a45e5b07e7404e99cf687628655940d2d7950dd0dfbc3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ce03f48d3283f0e58a45e5b07e7404e99cf687628655940d2d7950dd0dfbc3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ce03f48d3283f0e58a45e5b07e7404e99cf687628655940d2d7950dd0dfbc3f", kill_on_drop: false }`
[INFO] [stdout] 0ce03f48d3283f0e58a45e5b07e7404e99cf687628655940d2d7950dd0dfbc3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+0f6e1ae67854c3c44726e8376144c16b465fe7c6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a710d4a6a007cc1235d0cd724ddf7bac512473ec8ea3adec17d174678762abb9
[INFO] running `Command { std: "docker" "start" "-a" "a710d4a6a007cc1235d0cd724ddf7bac512473ec8ea3adec17d174678762abb9", kill_on_drop: false }`
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]    Compiling malachite-nz v0.4.15
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking rustpython-parser-vendored v0.4.0
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]     Checking itertools v0.11.0
[INFO] [stderr]     Checking ahash v0.8.11
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking malachite-base v0.4.15
[INFO] [stderr]    Compiling is-macro v0.3.6
[INFO] [stderr]    Compiling derive_more v0.99.18
[INFO] [stderr]     Checking rustpython-parser-core v0.4.0
[INFO] [stderr]     Checking malachite-q v0.4.15
[INFO] [stderr]     Checking malachite v0.4.15
[INFO] [stderr]     Checking malachite-bigint v0.2.0
[INFO] [stderr]     Checking rustpython-ast v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.27s
[INFO] running `Command { std: "docker" "inspect" "a710d4a6a007cc1235d0cd724ddf7bac512473ec8ea3adec17d174678762abb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a710d4a6a007cc1235d0cd724ddf7bac512473ec8ea3adec17d174678762abb9", kill_on_drop: false }`
[INFO] [stdout] a710d4a6a007cc1235d0cd724ddf7bac512473ec8ea3adec17d174678762abb9