[INFO] fetching crate fn_block 0.2.1... [INFO] checking fn_block-0.2.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] extracting crate fn_block 0.2.1 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate fn_block 0.2.1 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 fn_block 0.2.1 [INFO] finished tweaking crates.io crate fn_block 0.2.1 [INFO] tweaked toml for crates.io crate fn_block 0.2.1 written to /workspace/builds/worker-6-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 50 packages [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding cast v0.2.7 (latest: v0.3.0) [INFO] [stderr] Adding clap v2.34.0 (latest: v4.5.4) [INFO] [stderr] Adding cloudabi v0.0.3 (latest: v0.1.0) [INFO] [stderr] Adding criterion v0.2.11 (latest: v0.5.1) [INFO] [stderr] Adding criterion-plot v0.3.1 (latest: v0.5.0) [INFO] [stderr] Adding hermit-abi v0.1.19 (latest: v0.3.9) [INFO] [stderr] Adding itertools v0.8.2 (latest: v0.12.1) [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 rand_os v0.1.3 (latest: v0.2.2) [INFO] [stderr] Adding rand_xoshiro v0.1.0 (latest: v0.6.0) [INFO] [stderr] Adding rdrand v0.4.0 (latest: v0.8.3) [INFO] [stderr] Adding textwrap v0.11.0 (latest: v0.16.1) [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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] a9f607d4c82689c364acc4e56f7aa09e5147f474201b6beeb2a61f3df76d4311 [INFO] running `Command { std: "docker" "start" "-a" "a9f607d4c82689c364acc4e56f7aa09e5147f474201b6beeb2a61f3df76d4311", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a9f607d4c82689c364acc4e56f7aa09e5147f474201b6beeb2a61f3df76d4311", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a9f607d4c82689c364acc4e56f7aa09e5147f474201b6beeb2a61f3df76d4311", kill_on_drop: false }` [INFO] [stdout] a9f607d4c82689c364acc4e56f7aa09e5147f474201b6beeb2a61f3df76d4311 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] ce977fe21c4c64af8d9ae733c654d1c301c72b17f5c599672efc24c82182d34c [INFO] running `Command { std: "docker" "start" "-a" "ce977fe21c4c64af8d9ae733c654d1c301c72b17f5c599672efc24c82182d34c", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.79 [INFO] [stderr] Checking csv-core v0.1.11 [INFO] [stderr] Checking itertools v0.8.2 [INFO] [stderr] Checking fn_block v0.2.1 (/opt/rustwide/workdir) [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking rand_xoshiro v0.1.0 [INFO] [stderr] Compiling cast v0.2.7 [INFO] [stderr] Checking serde_json v1.0.115 [INFO] [stderr] Checking csv v1.3.0 [INFO] [stderr] Checking criterion-plot v0.3.1 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Checking criterion v0.2.11 [INFO] [stdout] warning: use of deprecated macro `fn_block`: Please use `fn_expr` instead, since it can also be used to wrap blocks. Blocks are expressions as well. [INFO] [stdout] --> src/tests.rs:25:15 [INFO] [stdout] | [INFO] [stdout] 25 | let foo = fn_block!{{ [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `fn_block`: Please use `fn_expr` instead, since it can also be used to wrap blocks. Blocks are expressions as well. [INFO] [stdout] --> src/tests.rs:35:15 [INFO] [stdout] | [INFO] [stdout] 35 | let foo = fn_block!{{ [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `fn_block`: Please use `fn_expr` instead, since it can also be used to wrap blocks. Blocks are expressions as well. [INFO] [stdout] --> src/tests.rs:79:15 [INFO] [stdout] | [INFO] [stdout] 79 | let res = fn_block!{ Result: { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[macro_use]` only has an effect on `extern crate` and modules [INFO] [stdout] --> benches/fn_block_benchmark.rs:5:1 [INFO] [stdout] | [INFO] [stdout] 5 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_attributes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> benches/fn_block_benchmark.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | let s = o.and_then(|st| st.get(0..3)).map(|st| st.to_lowercase()); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> benches/fn_block_benchmark.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | let s = (|| Some(o?.get(0..3)?.to_lowercase()))(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> benches/fn_block_benchmark.rs:18:9 [INFO] [stdout] | [INFO] [stdout] 18 | let s = fn_expr!{ o?.get(0..3)?.to_lowercase().into_some() }; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.87s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.2.11 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2` [INFO] running `Command { std: "docker" "inspect" "ce977fe21c4c64af8d9ae733c654d1c301c72b17f5c599672efc24c82182d34c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ce977fe21c4c64af8d9ae733c654d1c301c72b17f5c599672efc24c82182d34c", kill_on_drop: false }` [INFO] [stdout] ce977fe21c4c64af8d9ae733c654d1c301c72b17f5c599672efc24c82182d34c [INFO] checking fn_block-0.2.1 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] extracting crate fn_block 0.2.1 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate fn_block 0.2.1 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 fn_block 0.2.1 [INFO] finished tweaking crates.io crate fn_block 0.2.1 [INFO] tweaked toml for crates.io crate fn_block 0.2.1 written to /workspace/builds/worker-6-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 50 packages [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding cast v0.2.7 (latest: v0.3.0) [INFO] [stderr] Adding clap v2.34.0 (latest: v4.5.4) [INFO] [stderr] Adding cloudabi v0.0.3 (latest: v0.1.0) [INFO] [stderr] Adding criterion v0.2.11 (latest: v0.5.1) [INFO] [stderr] Adding criterion-plot v0.3.1 (latest: v0.5.0) [INFO] [stderr] Adding hermit-abi v0.1.19 (latest: v0.3.9) [INFO] [stderr] Adding itertools v0.8.2 (latest: v0.12.1) [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 rand_os v0.1.3 (latest: v0.2.2) [INFO] [stderr] Adding rand_xoshiro v0.1.0 (latest: v0.6.0) [INFO] [stderr] Adding rdrand v0.4.0 (latest: v0.8.3) [INFO] [stderr] Adding textwrap v0.11.0 (latest: v0.16.1) [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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 85ea18c0f693636ecb287a5987f7034d18aa3b64b1dd09bfcc201c12b97f4a87 [INFO] running `Command { std: "docker" "start" "-a" "85ea18c0f693636ecb287a5987f7034d18aa3b64b1dd09bfcc201c12b97f4a87", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "85ea18c0f693636ecb287a5987f7034d18aa3b64b1dd09bfcc201c12b97f4a87", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "85ea18c0f693636ecb287a5987f7034d18aa3b64b1dd09bfcc201c12b97f4a87", kill_on_drop: false }` [INFO] [stdout] 85ea18c0f693636ecb287a5987f7034d18aa3b64b1dd09bfcc201c12b97f4a87 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] f2412a1daed8d30d5f037e6ff1803ad4ab08a9f937a94c950d0922e5a48bdb3a [INFO] running `Command { std: "docker" "start" "-a" "f2412a1daed8d30d5f037e6ff1803ad4ab08a9f937a94c950d0922e5a48bdb3a", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.79 [INFO] [stderr] Compiling cast v0.2.7 [INFO] [stderr] Checking csv-core v0.1.11 [INFO] [stderr] Checking serde_json v1.0.115 [INFO] [stderr] Checking itertools v0.8.2 [INFO] [stderr] Checking rand_xoshiro v0.1.0 [INFO] [stderr] Checking fn_block v0.2.1 (/opt/rustwide/workdir) [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking csv v1.3.0 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking criterion-plot v0.3.1 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Checking criterion v0.2.11 [INFO] [stdout] warning: `#[macro_use]` only has an effect on `extern crate` and modules [INFO] [stdout] --> benches/fn_block_benchmark.rs:5:1 [INFO] [stdout] | [INFO] [stdout] 5 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_attributes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `fn_block`: Please use `fn_expr` instead, since it can also be used to wrap blocks. Blocks are expressions as well. [INFO] [stdout] --> src/tests.rs:25:15 [INFO] [stdout] | [INFO] [stdout] 25 | let foo = fn_block!{{ [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `fn_block`: Please use `fn_expr` instead, since it can also be used to wrap blocks. Blocks are expressions as well. [INFO] [stdout] --> src/tests.rs:35:15 [INFO] [stdout] | [INFO] [stdout] 35 | let foo = fn_block!{{ [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `fn_block`: Please use `fn_expr` instead, since it can also be used to wrap blocks. Blocks are expressions as well. [INFO] [stdout] --> src/tests.rs:79:15 [INFO] [stdout] | [INFO] [stdout] 79 | let res = fn_block!{ Result: { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> benches/fn_block_benchmark.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | let s = o.and_then(|st| st.get(0..3)).map(|st| st.to_lowercase()); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> benches/fn_block_benchmark.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | let s = (|| Some(o?.get(0..3)?.to_lowercase()))(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> benches/fn_block_benchmark.rs:18:9 [INFO] [stdout] | [INFO] [stdout] 18 | let s = fn_expr!{ o?.get(0..3)?.to_lowercase().into_some() }; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.23s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.2.11 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2` [INFO] running `Command { std: "docker" "inspect" "f2412a1daed8d30d5f037e6ff1803ad4ab08a9f937a94c950d0922e5a48bdb3a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f2412a1daed8d30d5f037e6ff1803ad4ab08a9f937a94c950d0922e5a48bdb3a", kill_on_drop: false }` [INFO] [stdout] f2412a1daed8d30d5f037e6ff1803ad4ab08a9f937a94c950d0922e5a48bdb3a