[INFO] fetching crate concrete-fftw-sys 0.1.4...
[INFO] checking concrete-fftw-sys-0.1.4 against master#8424f8e8cdf07010967a57584fd647b30e930d4d for pr-120095
[INFO] extracting crate concrete-fftw-sys 0.1.4 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate concrete-fftw-sys 0.1.4 on toolchain 8424f8e8cdf07010967a57584fd647b30e930d4d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8424f8e8cdf07010967a57584fd647b30e930d4d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate concrete-fftw-sys 0.1.4
[INFO] finished tweaking crates.io crate concrete-fftw-sys 0.1.4
[INFO] tweaked toml for crates.io crate concrete-fftw-sys 0.1.4 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8424f8e8cdf07010967a57584fd647b30e930d4d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8424f8e8cdf07010967a57584fd647b30e930d4d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fs_extra v1.2.0
[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" "+8424f8e8cdf07010967a57584fd647b30e930d4d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 66aae38a8a49b3ec760425f1969a1b9e24eb30af3b68756ad15bcde3b4b1e977
[INFO] running `Command { std: "docker" "start" "-a" "66aae38a8a49b3ec760425f1969a1b9e24eb30af3b68756ad15bcde3b4b1e977", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66aae38a8a49b3ec760425f1969a1b9e24eb30af3b68756ad15bcde3b4b1e977", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66aae38a8a49b3ec760425f1969a1b9e24eb30af3b68756ad15bcde3b4b1e977", kill_on_drop: false }`
[INFO] [stdout] 66aae38a8a49b3ec760425f1969a1b9e24eb30af3b68756ad15bcde3b4b1e977
[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" "+8424f8e8cdf07010967a57584fd647b30e930d4d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7eac375903b3b025d9c1ae6952bd3b142ad890b6009d0943d484498edbdecd45
[INFO] running `Command { std: "docker" "start" "-a" "7eac375903b3b025d9c1ae6952bd3b142ad890b6009d0943d484498edbdecd45", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling fs_extra v1.2.0
[INFO] [stderr]    Compiling concrete-fftw-sys v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking num-complex v0.4.4
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]   --> src/fftw.rs:65:19
[INFO] [stdout]    |
[INFO] [stdout] 65 |         unsafe { &(*(::core::ptr::null::<fftw_iodim_do_not_use_me>())).n as *const _ as usize },
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deref_nullptr)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]   --> src/fftw.rs:75:19
[INFO] [stdout]    |
[INFO] [stdout] 75 |         unsafe { &(*(::core::ptr::null::<fftw_iodim_do_not_use_me>())).is as *const _ as usize },
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]   --> src/fftw.rs:85:19
[INFO] [stdout]    |
[INFO] [stdout] 85 |         unsafe { &(*(::core::ptr::null::<fftw_iodim_do_not_use_me>())).os as *const _ as usize },
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/fftw.rs:115:19
[INFO] [stdout]     |
[INFO] [stdout] 115 |         unsafe { &(*(::core::ptr::null::<fftw_iodim64_do_not_use_me>())).n as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/fftw.rs:125:19
[INFO] [stdout]     |
[INFO] [stdout] 125 |         unsafe { &(*(::core::ptr::null::<fftw_iodim64_do_not_use_me>())).is as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/fftw.rs:135:19
[INFO] [stdout]     |
[INFO] [stdout] 135 |         unsafe { &(*(::core::ptr::null::<fftw_iodim64_do_not_use_me>())).os as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 42s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: fs_extra v1.2.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "7eac375903b3b025d9c1ae6952bd3b142ad890b6009d0943d484498edbdecd45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7eac375903b3b025d9c1ae6952bd3b142ad890b6009d0943d484498edbdecd45", kill_on_drop: false }`
[INFO] [stdout] 7eac375903b3b025d9c1ae6952bd3b142ad890b6009d0943d484498edbdecd45
[INFO] checking concrete-fftw-sys-0.1.4 against try#047472f299946caf090d1b5608ae4bd9f0416256+rustflags=-Ddereferencing_mut_binding for pr-120095
[INFO] extracting crate concrete-fftw-sys 0.1.4 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate concrete-fftw-sys 0.1.4 on toolchain 047472f299946caf090d1b5608ae4bd9f0416256
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+047472f299946caf090d1b5608ae4bd9f0416256" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate concrete-fftw-sys 0.1.4
[INFO] finished tweaking crates.io crate concrete-fftw-sys 0.1.4
[INFO] tweaked toml for crates.io crate concrete-fftw-sys 0.1.4 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+047472f299946caf090d1b5608ae4bd9f0416256" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+047472f299946caf090d1b5608ae4bd9f0416256" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+047472f299946caf090d1b5608ae4bd9f0416256" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bab77ef04cbdaac45443d2167e1d5bf062cadd175dd1aedef4ea9fef78b12a64
[INFO] running `Command { std: "docker" "start" "-a" "bab77ef04cbdaac45443d2167e1d5bf062cadd175dd1aedef4ea9fef78b12a64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bab77ef04cbdaac45443d2167e1d5bf062cadd175dd1aedef4ea9fef78b12a64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bab77ef04cbdaac45443d2167e1d5bf062cadd175dd1aedef4ea9fef78b12a64", kill_on_drop: false }`
[INFO] [stdout] bab77ef04cbdaac45443d2167e1d5bf062cadd175dd1aedef4ea9fef78b12a64
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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 -Ddereferencing_mut_binding" "-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" "+047472f299946caf090d1b5608ae4bd9f0416256" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a8d1e93f2a8c769ba49c2a5e3e450f3ece1a30648ef00179787bc7f671a965f
[INFO] running `Command { std: "docker" "start" "-a" "7a8d1e93f2a8c769ba49c2a5e3e450f3ece1a30648ef00179787bc7f671a965f", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling fs_extra v1.2.0
[INFO] [stderr]    Compiling concrete-fftw-sys v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking num-complex v0.4.4
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "7a8d1e93f2a8c769ba49c2a5e3e450f3ece1a30648ef00179787bc7f671a965f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a8d1e93f2a8c769ba49c2a5e3e450f3ece1a30648ef00179787bc7f671a965f", kill_on_drop: false }`
[INFO] [stdout] 7a8d1e93f2a8c769ba49c2a5e3e450f3ece1a30648ef00179787bc7f671a965f