[INFO] fetching crate ifft 0.11.0... [INFO] checking ifft-0.11.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] extracting crate ifft 0.11.0 into /workspace/builds/worker-7-tc1/source [INFO] validating manifest of crates.io crate ifft 0.11.0 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 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-7-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" "+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] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rust-argon2 v0.8.3 [INFO] [stderr] Downloaded blake2b_simd v0.5.11 [INFO] [stderr] Downloaded redox_users v0.3.5 [INFO] [stderr] Downloaded arrayref v0.3.6 [INFO] [stderr] Downloaded dirs-sys v0.3.5 [INFO] [stderr] Downloaded crossbeam-utils v0.8.1 [INFO] [stderr] Downloaded fsevent-sys v3.0.2 [INFO] [stderr] Downloaded libdbus-sys v0.2.1 [INFO] [stderr] Downloaded redox_syscall v0.2.4 [INFO] [stderr] Downloaded shellexpand v1.1.1 [INFO] [stderr] Downloaded globset v0.4.6 [INFO] [stderr] Downloaded notify-rust v3.6.3 [INFO] [stderr] Downloaded notify v5.0.0-pre.5 [INFO] [stderr] Downloaded ignore v0.4.17 [INFO] [stderr] Downloaded bstr v0.2.14 [INFO] [stderr] Downloaded mio v0.7.7 [INFO] [stderr] Downloaded dbus v0.6.5 [INFO] [stderr] Downloaded serde_derive v1.0.123 [INFO] [stderr] Downloaded serde v1.0.123 [INFO] [stderr] Downloaded thread_local v1.1.2 [INFO] [stderr] Downloaded fsevent v2.0.2 [INFO] [stderr] Downloaded inotify v0.9.2 [INFO] [stderr] Downloaded miow v0.3.6 [INFO] [stderr] Downloaded mac-notification-sys v0.3.0 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a3e8541398e7b9f7b4e82aa06f35e11ad7ff6364d842ba12d24688e8b1b4eb44 [INFO] running `Command { std: "docker" "start" "-a" "a3e8541398e7b9f7b4e82aa06f35e11ad7ff6364d842ba12d24688e8b1b4eb44", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a3e8541398e7b9f7b4e82aa06f35e11ad7ff6364d842ba12d24688e8b1b4eb44", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a3e8541398e7b9f7b4e82aa06f35e11ad7ff6364d842ba12d24688e8b1b4eb44", kill_on_drop: false }` [INFO] [stdout] a3e8541398e7b9f7b4e82aa06f35e11ad7ff6364d842ba12d24688e8b1b4eb44 [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" "-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] f19a5ace37edcdaf369136628e5ba1d32bf5890a3df7d5305b6ca8a829e569d4 [INFO] running `Command { std: "docker" "start" "-a" "f19a5ace37edcdaf369136628e5ba1d32bf5890a3df7d5305b6ca8a829e569d4", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.104 [INFO] [stderr] Compiling crossbeam-utils v0.8.1 [INFO] [stderr] Compiling pkg-config v0.3.19 [INFO] [stderr] Checking once_cell v1.5.2 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling serde v1.0.123 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Checking regex-syntax v0.6.22 [INFO] [stderr] Compiling syn v1.0.60 [INFO] [stderr] Checking walkdir v2.3.1 [INFO] [stderr] Checking bstr v0.2.14 [INFO] [stderr] Compiling serde_derive v1.0.123 [INFO] [stderr] Checking anymap v0.12.1 [INFO] [stderr] Checking thread_local v1.1.2 [INFO] [stderr] Compiling libdbus-sys v0.2.1 [INFO] [stderr] Checking crossbeam-channel v0.5.0 [INFO] [stderr] Checking crossbeam-channel v0.4.4 [INFO] [stderr] Checking dirs-sys v0.3.5 [INFO] [stderr] Checking inotify-sys v0.1.5 [INFO] [stderr] Checking filetime v0.2.14 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking mio v0.7.7 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking dbus v0.6.5 [INFO] [stderr] Checking nix v0.23.0 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking inotify v0.9.2 [INFO] [stderr] Checking dirs v2.0.2 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking regex v1.4.3 [INFO] [stderr] Checking shellexpand v1.1.1 [INFO] [stderr] Checking notify v5.0.0-pre.5 [INFO] [stderr] Checking globset v0.4.6 [INFO] [stderr] Checking ignore v0.4.17 [INFO] [stderr] Checking toml v0.4.10 [INFO] [stderr] Checking notify-rust v3.6.3 [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, [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: 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, [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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.08s [INFO] running `Command { std: "docker" "inspect" "f19a5ace37edcdaf369136628e5ba1d32bf5890a3df7d5305b6ca8a829e569d4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f19a5ace37edcdaf369136628e5ba1d32bf5890a3df7d5305b6ca8a829e569d4", kill_on_drop: false }` [INFO] [stdout] f19a5ace37edcdaf369136628e5ba1d32bf5890a3df7d5305b6ca8a829e569d4 [INFO] checking ifft-0.11.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] extracting crate ifft 0.11.0 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate ifft 0.11.0 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "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-7-tc2/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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c4a9e0ec855be12d3afc1b96c8bf145783cf9440d988971f42513b940ead3c52 [INFO] running `Command { std: "docker" "start" "-a" "c4a9e0ec855be12d3afc1b96c8bf145783cf9440d988971f42513b940ead3c52", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c4a9e0ec855be12d3afc1b96c8bf145783cf9440d988971f42513b940ead3c52", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c4a9e0ec855be12d3afc1b96c8bf145783cf9440d988971f42513b940ead3c52", kill_on_drop: false }` [INFO] [stdout] c4a9e0ec855be12d3afc1b96c8bf145783cf9440d988971f42513b940ead3c52 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8b56d032bf44fd70e83155cf0a45be446cce9e03d5efc300dc3169d2144931b6 [INFO] running `Command { std: "docker" "start" "-a" "8b56d032bf44fd70e83155cf0a45be446cce9e03d5efc300dc3169d2144931b6", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.104 [INFO] [stderr] Compiling crossbeam-utils v0.8.1 [INFO] [stderr] Compiling pkg-config v0.3.19 [INFO] [stderr] Checking once_cell v1.5.2 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling syn v1.0.60 [INFO] [stderr] Compiling serde v1.0.123 [INFO] [stderr] Checking regex-syntax v0.6.22 [INFO] [stderr] Checking walkdir v2.3.1 [INFO] [stderr] Checking bstr v0.2.14 [INFO] [stderr] Compiling serde_derive v1.0.123 [INFO] [stderr] Checking anymap v0.12.1 [INFO] [stderr] Checking thread_local v1.1.2 [INFO] [stderr] Compiling libdbus-sys v0.2.1 [INFO] [stderr] Checking crossbeam-channel v0.4.4 [INFO] [stderr] Checking crossbeam-channel v0.5.0 [INFO] [stderr] Checking dirs-sys v0.3.5 [INFO] [stderr] Checking inotify-sys v0.1.5 [INFO] [stderr] Checking filetime v0.2.14 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking dbus v0.6.5 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking mio v0.7.7 [INFO] [stderr] Checking nix v0.23.0 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking inotify v0.9.2 [INFO] [stderr] Checking dirs v2.0.2 [INFO] [stderr] Checking shellexpand v1.1.1 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking notify v5.0.0-pre.5 [INFO] [stderr] Checking regex v1.4.3 [INFO] [stderr] Checking globset v0.4.6 [INFO] [stderr] Checking notify-rust v3.6.3 [INFO] [stderr] Checking ignore v0.4.17 [INFO] [stderr] Checking toml v0.4.10 [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, [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, [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 8.49s [INFO] running `Command { std: "docker" "inspect" "8b56d032bf44fd70e83155cf0a45be446cce9e03d5efc300dc3169d2144931b6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8b56d032bf44fd70e83155cf0a45be446cce9e03d5efc300dc3169d2144931b6", kill_on_drop: false }` [INFO] [stdout] 8b56d032bf44fd70e83155cf0a45be446cce9e03d5efc300dc3169d2144931b6