[INFO] fetching crate fft_bench 0.1.1...
[INFO] checking fft_bench-0.1.1 against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] extracting crate fft_bench 0.1.1 into /workspace/builds/worker-0-tc1/source
[INFO] removed /workspace/builds/worker-0-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-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate fft_bench 0.1.1 on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "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 cfg-if v0.1.10
[INFO] [stderr]   Downloaded pretty_env_logger v0.4.0
[INFO] [stderr]   Downloaded log v0.4.8
[INFO] [stderr]   Downloaded thread_local v1.0.1
[INFO] [stderr]   Downloaded termcolor v1.1.0
[INFO] [stderr]   Downloaded env_logger v0.7.1
[INFO] [stderr]   Downloaded autocfg v1.0.0
[INFO] [stderr]   Downloaded quick-error v1.2.3
[INFO] [stderr]   Downloaded hermit-abi v0.1.15
[INFO] [stderr]   Downloaded chfft v0.3.4
[INFO] [stderr]   Downloaded num-integer v0.1.43
[INFO] [stderr]   Downloaded num-complex v0.3.0
[INFO] [stderr]   Downloaded hound v3.4.0
[INFO] [stderr]   Downloaded num-traits v0.2.12
[INFO] [stderr]   Downloaded time v0.1.43
[INFO] [stderr]   Downloaded unicode-width v0.1.8
[INFO] [stderr]   Downloaded regex-syntax v0.6.18
[INFO] [stderr]   Downloaded regex v1.3.9
[INFO] [stderr]   Downloaded getopts v0.2.21
[INFO] [stderr]   Downloaded aho-corasick v0.7.13
[INFO] [stderr]   Downloaded chrono v0.4.13
[INFO] [stderr]   Downloaded humantime v1.3.0
[INFO] [stderr]   Downloaded memchr v2.3.3
[INFO] [stderr]   Downloaded libc v0.2.72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cfdf625bf710a7f1a789e9efab8c42c10f47f31aa321ba7c90493a1dafcda4b3
[INFO] running `Command { std: "docker" "start" "-a" "cfdf625bf710a7f1a789e9efab8c42c10f47f31aa321ba7c90493a1dafcda4b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cfdf625bf710a7f1a789e9efab8c42c10f47f31aa321ba7c90493a1dafcda4b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfdf625bf710a7f1a789e9efab8c42c10f47f31aa321ba7c90493a1dafcda4b3", kill_on_drop: false }`
[INFO] [stdout] cfdf625bf710a7f1a789e9efab8c42c10f47f31aa321ba7c90493a1dafcda4b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 92d40b3ae41768c25a37d35daaf683e6b0ca1888f564b32a5038b915a660ef8b
[INFO] running `Command { std: "docker" "start" "-a" "92d40b3ae41768c25a37d35daaf683e6b0ca1888f564b32a5038b915a660ef8b", 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]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking hound v3.4.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking num-complex v0.3.0
[INFO] [stderr]     Checking chrono v0.4.13
[INFO] [stderr]     Checking chfft v0.3.4
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.19s
[INFO] running `Command { std: "docker" "inspect" "92d40b3ae41768c25a37d35daaf683e6b0ca1888f564b32a5038b915a660ef8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92d40b3ae41768c25a37d35daaf683e6b0ca1888f564b32a5038b915a660ef8b", kill_on_drop: false }`
[INFO] [stdout] 92d40b3ae41768c25a37d35daaf683e6b0ca1888f564b32a5038b915a660ef8b