[INFO] fetching crate rustpython-compiler-core 0.4.0...
[INFO] checking rustpython-compiler-core-0.4.0 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate rustpython-compiler-core 0.4.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate rustpython-compiler-core 0.4.0 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rustpython-compiler-core 0.4.0
[INFO] finished tweaking crates.io crate rustpython-compiler-core 0.4.0
[INFO] tweaked toml for crates.io crate rustpython-compiler-core 0.4.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 41 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded malachite-bigint v0.2.0
[INFO] [stderr]   Downloaded rustpython-parser-vendored v0.4.0
[INFO] [stderr]   Downloaded malachite v0.4.15
[INFO] [stderr]   Downloaded rustpython-parser-core v0.4.0
[INFO] [stderr]   Downloaded malachite-q v0.4.15
[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-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] baccdc175504888b267564889a743b42ea02bcc06464f06d99e3a6e96cdee23f
[INFO] running `Command { std: "docker" "start" "-a" "baccdc175504888b267564889a743b42ea02bcc06464f06d99e3a6e96cdee23f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "baccdc175504888b267564889a743b42ea02bcc06464f06d99e3a6e96cdee23f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "baccdc175504888b267564889a743b42ea02bcc06464f06d99e3a6e96cdee23f", kill_on_drop: false }`
[INFO] [stdout] baccdc175504888b267564889a743b42ea02bcc06464f06d99e3a6e96cdee23f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7036ea3a5bc1ee01d3afe5be440260a188c83a5d6b670f55552aed37098854d3
[INFO] running `Command { std: "docker" "start" "-a" "7036ea3a5bc1ee01d3afe5be440260a188c83a5d6b670f55552aed37098854d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling malachite-nz v0.4.15
[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]     Checking twox-hash v1.6.3
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]     Checking lz4_flex v0.11.3
[INFO] [stderr]     Checking itertools v0.11.0
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[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-compiler-core v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.60s
[INFO] running `Command { std: "docker" "inspect" "7036ea3a5bc1ee01d3afe5be440260a188c83a5d6b670f55552aed37098854d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7036ea3a5bc1ee01d3afe5be440260a188c83a5d6b670f55552aed37098854d3", kill_on_drop: false }`
[INFO] [stdout] 7036ea3a5bc1ee01d3afe5be440260a188c83a5d6b670f55552aed37098854d3