[INFO] fetching crate fft_bench 0.1.1...
[INFO] building fft_bench-0.1.1 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] extracting crate fft_bench 0.1.1 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate fft_bench 0.1.1 on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7-tc1/source/.cargo/config
[INFO] started tweaking crates.io crate fft_bench 0.1.1
[INFO] finished tweaking crates.io crate fft_bench 0.1.1
[INFO] tweaked toml for crates.io crate fft_bench 0.1.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate fft_bench 0.1.1 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-complex v0.3.0
[INFO] [stderr]   Downloaded chfft v0.3.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b539b64552003f6536790aeac65bdc710f36ef6cebe99e9eb4fbcc9981e5f42
[INFO] running `Command { std: "docker" "start" "-a" "5b539b64552003f6536790aeac65bdc710f36ef6cebe99e9eb4fbcc9981e5f42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b539b64552003f6536790aeac65bdc710f36ef6cebe99e9eb4fbcc9981e5f42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b539b64552003f6536790aeac65bdc710f36ef6cebe99e9eb4fbcc9981e5f42", kill_on_drop: false }`
[INFO] [stdout] 5b539b64552003f6536790aeac65bdc710f36ef6cebe99e9eb4fbcc9981e5f42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f52f29ce06af71b32b5f508276e3f17266c9a8b7d2d8a8ba22be9df603c4e2aa
[INFO] running `Command { std: "docker" "start" "-a" "f52f29ce06af71b32b5f508276e3f17266c9a8b7d2d8a8ba22be9df603c4e2aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libc v0.2.72
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling hound v3.4.0
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling num-complex v0.3.0
[INFO] [stderr]    Compiling chrono v0.4.13
[INFO] [stderr]    Compiling chfft v0.3.4
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling fft_bench v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated functions `c_0_5`, `c_0_54`, and `c_0_46` are never used
[INFO] [stdout]    --> src/main.rs:177:8
[INFO] [stdout]     |
[INFO] [stdout] 175 | trait FloatConstEx
[INFO] [stdout]     |       ------------ associated functions in this trait
[INFO] [stdout] 176 | {
[INFO] [stdout] 177 |     fn c_0_5() -> Self;
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 178 |     fn c_0_54() -> Self;
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 179 |     fn c_0_46() -> Self;
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.03s
[INFO] running `Command { std: "docker" "inspect" "f52f29ce06af71b32b5f508276e3f17266c9a8b7d2d8a8ba22be9df603c4e2aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f52f29ce06af71b32b5f508276e3f17266c9a8b7d2d8a8ba22be9df603c4e2aa", kill_on_drop: false }`
[INFO] [stdout] f52f29ce06af71b32b5f508276e3f17266c9a8b7d2d8a8ba22be9df603c4e2aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 82177f2222930df1532dcd98ede43240a43c32bbaaab397ccab1cc300b0e6bed
[INFO] running `Command { std: "docker" "start" "-a" "82177f2222930df1532dcd98ede43240a43c32bbaaab397ccab1cc300b0e6bed", kill_on_drop: false }`
[INFO] [stderr]    Compiling fft_bench v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated functions `c_0_5`, `c_0_54`, and `c_0_46` are never used
[INFO] [stdout]    --> src/main.rs:177:8
[INFO] [stdout]     |
[INFO] [stdout] 175 | trait FloatConstEx
[INFO] [stdout]     |       ------------ associated functions in this trait
[INFO] [stdout] 176 | {
[INFO] [stdout] 177 |     fn c_0_5() -> Self;
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 178 |     fn c_0_54() -> Self;
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 179 |     fn c_0_46() -> Self;
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "82177f2222930df1532dcd98ede43240a43c32bbaaab397ccab1cc300b0e6bed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82177f2222930df1532dcd98ede43240a43c32bbaaab397ccab1cc300b0e6bed", kill_on_drop: false }`
[INFO] [stdout] 82177f2222930df1532dcd98ede43240a43c32bbaaab397ccab1cc300b0e6bed