[INFO] fetching crate iron_rose 0.1.1... [INFO] checking iron_rose-0.1.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] extracting crate iron_rose 0.1.1 into /workspace/builds/worker-4-tc1/source [INFO] validating manifest of crates.io crate iron_rose 0.1.1 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 iron_rose 0.1.1 [INFO] finished tweaking crates.io crate iron_rose 0.1.1 [INFO] tweaked toml for crates.io crate iron_rose 0.1.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 75 packages [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding cfg-if v0.1.10 (latest: v1.0.0) [INFO] [stderr] Adding clap v2.34.0 (latest: v4.5.4) [INFO] [stderr] Adding criterion v0.3.6 (latest: v0.5.1) [INFO] [stderr] Adding criterion-plot v0.4.5 (latest: v0.5.0) [INFO] [stderr] Adding half v1.8.3 (latest: v2.4.0) [INFO] [stderr] Adding hermit-abi v0.1.19 (latest: v0.3.9) [INFO] [stderr] Adding itertools v0.10.5 (latest: v0.12.1) [INFO] [stderr] Adding rand v0.4.6 (latest: v0.8.5) [INFO] [stderr] Adding rand_core v0.3.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_core v0.4.2 (latest: v0.6.4) [INFO] [stderr] Adding rdrand v0.4.0 (latest: v0.8.3) [INFO] [stderr] Adding seahash v3.0.7 (latest: v4.1.0) [INFO] [stderr] Adding textwrap v0.11.0 (latest: v0.16.1) [INFO] [stderr] Adding uuid v0.8.2 (latest: v1.8.0) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] [stderr] Adding xoroshiro128 v0.3.0 (latest: v0.5.0) [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] Downloading crates ... [INFO] [stderr] Downloaded xoroshiro128 v0.3.0 [INFO] [stderr] Downloaded fasthash v0.4.0 [INFO] [stderr] Downloaded gcc v0.3.55 [INFO] [stderr] Downloaded seahash v3.0.7 [INFO] [stderr] Downloaded fasthash-sys v0.3.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 9b8a04120ae2e9dc0db467c417d97abcab361b98b3b03306ff1bd4d10c73bf81 [INFO] running `Command { std: "docker" "start" "-a" "9b8a04120ae2e9dc0db467c417d97abcab361b98b3b03306ff1bd4d10c73bf81", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9b8a04120ae2e9dc0db467c417d97abcab361b98b3b03306ff1bd4d10c73bf81", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9b8a04120ae2e9dc0db467c417d97abcab361b98b3b03306ff1bd4d10c73bf81", kill_on_drop: false }` [INFO] [stdout] 9b8a04120ae2e9dc0db467c417d97abcab361b98b3b03306ff1bd4d10c73bf81 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] fe40c70b86c2167683a6fa30bf6a14a3c7b14700dac8316524eb50e8f82e3915 [INFO] running `Command { std: "docker" "start" "-a" "fe40c70b86c2167683a6fa30bf6a14a3c7b14700dac8316524eb50e8f82e3915", kill_on_drop: false }` [INFO] [stderr] Compiling gcc v0.3.55 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking csv-core v0.1.11 [INFO] [stderr] Checking regex-automata v0.4.6 [INFO] [stderr] Checking seahash v3.0.7 [INFO] [stderr] Checking half v1.8.3 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Checking walkdir v2.5.0 [INFO] [stderr] Checking csv v1.3.0 [INFO] [stderr] Checking criterion-plot v0.4.5 [INFO] [stderr] Checking serde_cbor v0.11.2 [INFO] [stderr] Checking plotters v0.3.5 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking xoroshiro128 v0.3.0 [INFO] [stderr] Compiling fasthash-sys v0.3.2 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking uuid v0.8.2 [INFO] [stderr] Checking regex v1.10.4 [INFO] [stderr] Checking criterion v0.3.6 [INFO] [stderr] Checking fasthash v0.4.0 [INFO] [stderr] Checking iron_rose v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around index expression [INFO] [stdout] --> src/strata_estimator.rs:47:19 [INFO] [stdout] | [INFO] [stdout] 47 | self.ibfs[(trailing as usize % len)].encode(new_elm); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 47 - self.ibfs[(trailing as usize % len)].encode(new_elm); [INFO] [stdout] 47 + self.ibfs[trailing as usize % len].encode(new_elm); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around index expression [INFO] [stdout] --> src/strata_estimator.rs:47:19 [INFO] [stdout] | [INFO] [stdout] 47 | self.ibfs[(trailing as usize % len)].encode(new_elm); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 47 - self.ibfs[(trailing as usize % len)].encode(new_elm); [INFO] [stdout] 47 + self.ibfs[trailing as usize % len].encode(new_elm); [INFO] [stdout] | [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 17.50s [INFO] running `Command { std: "docker" "inspect" "fe40c70b86c2167683a6fa30bf6a14a3c7b14700dac8316524eb50e8f82e3915", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fe40c70b86c2167683a6fa30bf6a14a3c7b14700dac8316524eb50e8f82e3915", kill_on_drop: false }` [INFO] [stdout] fe40c70b86c2167683a6fa30bf6a14a3c7b14700dac8316524eb50e8f82e3915 [INFO] checking iron_rose-0.1.1 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] extracting crate iron_rose 0.1.1 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate iron_rose 0.1.1 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 iron_rose 0.1.1 [INFO] finished tweaking crates.io crate iron_rose 0.1.1 [INFO] tweaked toml for crates.io crate iron_rose 0.1.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 75 packages [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding cfg-if v0.1.10 (latest: v1.0.0) [INFO] [stderr] Adding clap v2.34.0 (latest: v4.5.4) [INFO] [stderr] Adding criterion v0.3.6 (latest: v0.5.1) [INFO] [stderr] Adding criterion-plot v0.4.5 (latest: v0.5.0) [INFO] [stderr] Adding half v1.8.3 (latest: v2.4.0) [INFO] [stderr] Adding hermit-abi v0.1.19 (latest: v0.3.9) [INFO] [stderr] Adding itertools v0.10.5 (latest: v0.12.1) [INFO] [stderr] Adding rand v0.4.6 (latest: v0.8.5) [INFO] [stderr] Adding rand_core v0.3.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_core v0.4.2 (latest: v0.6.4) [INFO] [stderr] Adding rdrand v0.4.0 (latest: v0.8.3) [INFO] [stderr] Adding seahash v3.0.7 (latest: v4.1.0) [INFO] [stderr] Adding textwrap v0.11.0 (latest: v0.16.1) [INFO] [stderr] Adding uuid v0.8.2 (latest: v1.8.0) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] [stderr] Adding xoroshiro128 v0.3.0 (latest: v0.5.0) [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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 30244b42867908710772c5207ef3864ee8f607c0c90b2226eb6eea102b457c63 [INFO] running `Command { std: "docker" "start" "-a" "30244b42867908710772c5207ef3864ee8f607c0c90b2226eb6eea102b457c63", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "30244b42867908710772c5207ef3864ee8f607c0c90b2226eb6eea102b457c63", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "30244b42867908710772c5207ef3864ee8f607c0c90b2226eb6eea102b457c63", kill_on_drop: false }` [INFO] [stdout] 30244b42867908710772c5207ef3864ee8f607c0c90b2226eb6eea102b457c63 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 9cbc566fc874a99561347058763fe55506fff319ae2a02ecb570905f4249ee08 [INFO] running `Command { std: "docker" "start" "-a" "9cbc566fc874a99561347058763fe55506fff319ae2a02ecb570905f4249ee08", kill_on_drop: false }` [INFO] [stderr] Compiling gcc v0.3.55 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking regex-automata v0.4.6 [INFO] [stderr] Checking csv-core v0.1.11 [INFO] [stderr] Checking half v1.8.3 [INFO] [stderr] Checking seahash v3.0.7 [INFO] [stderr] Checking walkdir v2.5.0 [INFO] [stderr] Checking criterion-plot v0.4.5 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking csv v1.3.0 [INFO] [stderr] Checking serde_cbor v0.11.2 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Checking plotters v0.3.5 [INFO] [stderr] Checking xoroshiro128 v0.3.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking uuid v0.8.2 [INFO] [stderr] Compiling fasthash-sys v0.3.2 [INFO] [stderr] Checking regex v1.10.4 [INFO] [stderr] Checking criterion v0.3.6 [INFO] [stderr] Checking fasthash v0.4.0 [INFO] [stderr] Checking iron_rose v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around index expression [INFO] [stdout] --> src/strata_estimator.rs:47:19 [INFO] [stdout] | [INFO] [stdout] 47 | self.ibfs[(trailing as usize % len)].encode(new_elm); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 47 - self.ibfs[(trailing as usize % len)].encode(new_elm); [INFO] [stdout] 47 + self.ibfs[trailing as usize % len].encode(new_elm); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around index expression [INFO] [stdout] --> src/strata_estimator.rs:47:19 [INFO] [stdout] | [INFO] [stdout] 47 | self.ibfs[(trailing as usize % len)].encode(new_elm); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 47 - self.ibfs[(trailing as usize % len)].encode(new_elm); [INFO] [stdout] 47 + self.ibfs[trailing as usize % len].encode(new_elm); [INFO] [stdout] | [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 15.85s [INFO] running `Command { std: "docker" "inspect" "9cbc566fc874a99561347058763fe55506fff319ae2a02ecb570905f4249ee08", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9cbc566fc874a99561347058763fe55506fff319ae2a02ecb570905f4249ee08", kill_on_drop: false }` [INFO] [stdout] 9cbc566fc874a99561347058763fe55506fff319ae2a02ecb570905f4249ee08