[INFO] fetching crate stochastic-rs 0.3.3...
[INFO] checking stochastic-rs-0.3.3 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate stochastic-rs 0.3.3 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate stochastic-rs 0.3.3 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stochastic-rs 0.3.3
[INFO] finished tweaking crates.io crate stochastic-rs 0.3.3
[INFO] tweaked toml for crates.io crate stochastic-rs 0.3.3 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate stochastic-rs 0.3.3 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--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]  Downloading crates ...
[INFO] [stderr]   Downloaded dyn-clone v1.0.14
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[INFO] [stderr]   Downloaded ndarray-rand v0.14.0
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[INFO] [stderr]   Downloaded rustfft v6.1.0
[INFO] [stderr]   Downloaded ndrustfft v0.4.2
[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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5e03e6d82eadbfd9dc56a0aec4d42c07bee853386ad1af7b057f4b7045ee8dbe
[INFO] running `Command { std: "docker" "start" "-a" "5e03e6d82eadbfd9dc56a0aec4d42c07bee853386ad1af7b057f4b7045ee8dbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e03e6d82eadbfd9dc56a0aec4d42c07bee853386ad1af7b057f4b7045ee8dbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e03e6d82eadbfd9dc56a0aec4d42c07bee853386ad1af7b057f4b7045ee8dbe", kill_on_drop: false }`
[INFO] [stdout] 5e03e6d82eadbfd9dc56a0aec4d42c07bee853386ad1af7b057f4b7045ee8dbe
[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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a2060646bb5643d8f1314cd4d69ed8b557aded2b5180fea7e47464551a59ffa
[INFO] running `Command { std: "docker" "start" "-a" "1a2060646bb5643d8f1314cd4d69ed8b557aded2b5180fea7e47464551a59ffa", kill_on_drop: false }`
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[INFO] [stderr]     Checking stochastic-rs v0.3.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `fgn::FgnFft`, `statistics::fractal_dim::higuchi_fd`
[INFO] [stdout]  --> src/main.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 |   prelude::{fgn::FgnFft, *},
[INFO] [stdout]   |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 9 |   statistics::fractal_dim::higuchi_fd,
[INFO] [stdout]   |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `fgn::FgnFft`, `statistics::fractal_dim::higuchi_fd`
[INFO] [stdout]  --> src/main.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 |   prelude::{fgn::FgnFft, *},
[INFO] [stdout]   |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 9 |   statistics::fractal_dim::higuchi_fd,
[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` profile [unoptimized + debuginfo] target(s) in 36.59s
[INFO] running `Command { std: "docker" "inspect" "1a2060646bb5643d8f1314cd4d69ed8b557aded2b5180fea7e47464551a59ffa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a2060646bb5643d8f1314cd4d69ed8b557aded2b5180fea7e47464551a59ffa", kill_on_drop: false }`
[INFO] [stdout] 1a2060646bb5643d8f1314cd4d69ed8b557aded2b5180fea7e47464551a59ffa