[INFO] fetching crate ifft 0.11.0...
[INFO] checking ifft-0.11.0 against master#38352b01ae4af9300be03b805d6db68c45e51068 for pr-129864
[INFO] extracting crate ifft 0.11.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate ifft 0.11.0 on toolchain 38352b01ae4af9300be03b805d6db68c45e51068
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ifft 0.11.0
[INFO] finished tweaking crates.io crate ifft 0.11.0
[INFO] tweaked toml for crates.io crate ifft 0.11.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate ifft 0.11.0 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" "+38352b01ae4af9300be03b805d6db68c45e51068" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2bb37ba8e9cad9a57c2d583e05b1b74d2ba70b8dc8f1e6ee474bcea53007aab1
[INFO] running `Command { std: "docker" "start" "-a" "2bb37ba8e9cad9a57c2d583e05b1b74d2ba70b8dc8f1e6ee474bcea53007aab1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2bb37ba8e9cad9a57c2d583e05b1b74d2ba70b8dc8f1e6ee474bcea53007aab1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bb37ba8e9cad9a57c2d583e05b1b74d2ba70b8dc8f1e6ee474bcea53007aab1", kill_on_drop: false }`
[INFO] [stdout] 2bb37ba8e9cad9a57c2d583e05b1b74d2ba70b8dc8f1e6ee474bcea53007aab1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c20f774f466002c10cd9af29db938b31c902c0acda904f29a04217b7aefc6009
[INFO] running `Command { std: "docker" "start" "-a" "c20f774f466002c10cd9af29db938b31c902c0acda904f29a04217b7aefc6009", kill_on_drop: false }`
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[INFO] [stderr]    Compiling memchr v2.3.4
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[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
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[INFO] [stderr]    Compiling serde_derive v1.0.123
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[INFO] [stderr]     Checking ifft v0.11.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `after` is never read
[INFO] [stdout]    --> src/main.rs:499:5
[INFO] [stdout]     |
[INFO] [stdout] 491 | struct IfftRaw {
[INFO] [stdout]     |        ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 499 |     after: Option<String>,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `IfftRaw` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `after` is never read
[INFO] [stdout]    --> src/main.rs:499:5
[INFO] [stdout]     |
[INFO] [stdout] 491 | struct IfftRaw {
[INFO] [stdout]     |        ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 499 |     after: Option<String>,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `IfftRaw` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.35s
[INFO] running `Command { std: "docker" "inspect" "c20f774f466002c10cd9af29db938b31c902c0acda904f29a04217b7aefc6009", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c20f774f466002c10cd9af29db938b31c902c0acda904f29a04217b7aefc6009", kill_on_drop: false }`
[INFO] [stdout] c20f774f466002c10cd9af29db938b31c902c0acda904f29a04217b7aefc6009