[INFO] cloning repository https://github.com/yberreby/benchmarks [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yberreby/benchmarks" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyberreby%2Fbenchmarks", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyberreby%2Fbenchmarks'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2815509e178888da003eeab674c296fa9d17b791 [INFO] checking yberreby/benchmarks against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyberreby%2Fbenchmarks" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/yberreby/benchmarks on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/yberreby/benchmarks [INFO] finished tweaking git repo https://github.com/yberreby/benchmarks [INFO] tweaked toml for git repo https://github.com/yberreby/benchmarks written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/yberreby/benchmarks already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bfd87f7379130fd2c2b62dc2c53eeb658c807f43567d203ddba67d88d00bac29 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "bfd87f7379130fd2c2b62dc2c53eeb658c807f43567d203ddba67d88d00bac29", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bfd87f7379130fd2c2b62dc2c53eeb658c807f43567d203ddba67d88d00bac29", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bfd87f7379130fd2c2b62dc2c53eeb658c807f43567d203ddba67d88d00bac29", kill_on_drop: false }` [INFO] [stdout] bfd87f7379130fd2c2b62dc2c53eeb658c807f43567d203ddba67d88d00bac29 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0db6574a890173ebab48a9ac1155d690e8570641d7d5663286d884b3d0f45a62 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "0db6574a890173ebab48a9ac1155d690e8570641d7d5663286d884b3d0f45a62", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.8 [INFO] [stderr] Checking rand v0.3.14 [INFO] [stderr] Checking chan v0.1.18 [INFO] [stderr] Checking benchmarks v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `stdout` [INFO] [stdout] --> benches/stdio.rs:24:9 [INFO] [stdout] | [INFO] [stdout] 24 | let stdout = stdout.lock(); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stdout` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> benches/stdio.rs:23:9 [INFO] [stdout] | [INFO] [stdout] 23 | let mut stdout = std::io::stdout(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::mpsc` [INFO] [stdout] --> benches/channels.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use std::sync::mpsc; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0635]: unknown feature `str_char` [INFO] [stdout] --> benches/char_at.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(str_char)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: could not find `heap` in `alloc` [INFO] [stdout] --> benches/alloc.rs:11:14 [INFO] [stdout] | [INFO] [stdout] 11 | alloc::heap::allocate(4, 64) [INFO] [stdout] | ^^^^ could not find `heap` in `alloc` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> benches/stdio.rs:43:9 [INFO] [stdout] | [INFO] [stdout] 43 | let mut stdout = io::stdout(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0635`. [INFO] [stdout] [INFO] [stdout] error[E0635]: unknown feature `str_char` [INFO] [stdout] --> benches/stdio.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | #![feature(str_char)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> benches/bnned.rs:14:13 [INFO] [stdout] | [INFO] [stdout] 14 | for i in 0..1_000_000 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `benchmarks` [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: unused variable: `sum` [INFO] [stdout] --> benches/channels.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 26 | let sum = get_data_sum(data.iter().cloned()); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_sum` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0635]: unknown feature `str_char` [INFO] [stdout] --> benches/bnned.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(str_char)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0635`. [INFO] [stdout] [INFO] [stdout] warning: unused variable: `data` [INFO] [stdout] --> benches/channels.rs:29:9 [INFO] [stdout] | [INFO] [stdout] 29 | let data = data.clone(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_data` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `alloc` has been stable since 1.36.0 and no longer requires an attribute to enable [INFO] [stdout] --> benches/channels.rs:1:18 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(test, alloc, heap_api)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0635]: unknown feature `heap_api` [INFO] [stdout] --> benches/channels.rs:1:25 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(test, alloc, heap_api)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0635`. [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0433`. [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> benches/stdio.rs:35:9 [INFO] [stdout] | [INFO] [stdout] 35 | stdout.write(TEST_STR.as_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> benches/stdio.rs:46:9 [INFO] [stdout] | [INFO] [stdout] 46 | stdout.write(TEST_STR.as_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0635`. [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "0db6574a890173ebab48a9ac1155d690e8570641d7d5663286d884b3d0f45a62", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0db6574a890173ebab48a9ac1155d690e8570641d7d5663286d884b3d0f45a62", kill_on_drop: false }` [INFO] [stdout] 0db6574a890173ebab48a9ac1155d690e8570641d7d5663286d884b3d0f45a62