[INFO] fetching crate problem_generator 0.3.1...
[INFO] checking problem_generator-0.3.1 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate problem_generator 0.3.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate problem_generator 0.3.1 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 problem_generator 0.3.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate problem_generator 0.3.1
[INFO] tweaked toml for crates.io crate problem_generator 0.3.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate problem_generator 0.3.1 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ron v0.6.6
[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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 11865dec3d5b90e19033f1b1f32e40c5c3347bbaf6a7c5e889efab8facd6c581
[INFO] running `Command { std: "docker" "start" "-a" "11865dec3d5b90e19033f1b1f32e40c5c3347bbaf6a7c5e889efab8facd6c581", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "11865dec3d5b90e19033f1b1f32e40c5c3347bbaf6a7c5e889efab8facd6c581", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11865dec3d5b90e19033f1b1f32e40c5c3347bbaf6a7c5e889efab8facd6c581", kill_on_drop: false }`
[INFO] [stdout] 11865dec3d5b90e19033f1b1f32e40c5c3347bbaf6a7c5e889efab8facd6c581
[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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 43b3fff0b9a4f64e5d41c195aef67e971162eaa6b078a3d8f13144afef04905f
[INFO] running `Command { std: "docker" "start" "-a" "43b3fff0b9a4f64e5d41c195aef67e971162eaa6b078a3d8f13144afef04905f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking number_prefix v0.3.0
[INFO] [stderr]    Compiling syn v2.0.76
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking console v0.15.8
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling serde_derive v1.0.209
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking indicatif v0.15.0
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking serde v1.0.209
[INFO] [stderr]     Checking ron v0.6.6
[INFO] [stderr]     Checking problem_generator v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.28s
[INFO] running `Command { std: "docker" "inspect" "43b3fff0b9a4f64e5d41c195aef67e971162eaa6b078a3d8f13144afef04905f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43b3fff0b9a4f64e5d41c195aef67e971162eaa6b078a3d8f13144afef04905f", kill_on_drop: false }`
[INFO] [stdout] 43b3fff0b9a4f64e5d41c195aef67e971162eaa6b078a3d8f13144afef04905f