[INFO] fetching crate ocron 0.2.0... [INFO] checking ocron-0.2.0 against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3 [INFO] extracting crate ocron 0.2.0 into /workspace/builds/worker-3/source [INFO] validating manifest of crates.io crate ocron 0.2.0 on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate ocron 0.2.0 [INFO] finished tweaking crates.io crate ocron 0.2.0 [INFO] tweaked toml for crates.io crate ocron 0.2.0 written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate crates.io crate ocron 0.2.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] b0bd75948661aac1274211b9fffcf730c60267f586d2e6bcd204f3f8439d827a [INFO] running `Command { std: "docker" "start" "-a" "b0bd75948661aac1274211b9fffcf730c60267f586d2e6bcd204f3f8439d827a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b0bd75948661aac1274211b9fffcf730c60267f586d2e6bcd204f3f8439d827a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b0bd75948661aac1274211b9fffcf730c60267f586d2e6bcd204f3f8439d827a", kill_on_drop: false }` [INFO] [stdout] b0bd75948661aac1274211b9fffcf730c60267f586d2e6bcd204f3f8439d827a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 08766811f7b378011ce02da2b79eaf51466cc0390ab65b267559caf019753a5d [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" "08766811f7b378011ce02da2b79eaf51466cc0390ab65b267559caf019753a5d", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling libc v0.2.80 [INFO] [stderr] Compiling serde v1.0.117 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking toml v0.5.8 [INFO] [stderr] Checking ocron v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0658]: use of unstable library feature 'bench_black_box' [INFO] [stdout] --> src/task.rs:156:13 [INFO] [stdout] | [INFO] [stdout] 156 | black_box(now), [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #64102 for more information [INFO] [stdout] = help: add `#![feature(bench_black_box)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature 'bench_black_box' [INFO] [stdout] --> src/task.rs:157:13 [INFO] [stdout] | [INFO] [stdout] 157 | black_box(&(0..60).collect::>()), [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #64102 for more information [INFO] [stdout] = help: add `#![feature(bench_black_box)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature 'bench_black_box' [INFO] [stdout] --> src/task.rs:158:13 [INFO] [stdout] | [INFO] [stdout] 158 | black_box(&(0..60).collect::>()), [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #64102 for more information [INFO] [stdout] = help: add `#![feature(bench_black_box)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature 'bench_black_box' [INFO] [stdout] --> src/task.rs:159:13 [INFO] [stdout] | [INFO] [stdout] 159 | black_box(&(0..24).collect::>()), [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #64102 for more information [INFO] [stdout] = help: add `#![feature(bench_black_box)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature 'bench_black_box' [INFO] [stdout] --> src/task.rs:160:13 [INFO] [stdout] | [INFO] [stdout] 160 | black_box(&[Weekday::Mon, Weekday::Tue, Weekday::Wed, Weekday::Thu, Weekday::Fri, Weekday::Sat, Weekday::Sun]), [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #64102 for more information [INFO] [stdout] = help: add `#![feature(bench_black_box)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature 'bench_black_box' [INFO] [stdout] --> src/task.rs:161:13 [INFO] [stdout] | [INFO] [stdout] 161 | black_box(&(0..50).collect::>()), [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #64102 for more information [INFO] [stdout] = help: add `#![feature(bench_black_box)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature 'bench_black_box' [INFO] [stdout] --> src/task.rs:162:13 [INFO] [stdout] | [INFO] [stdout] 162 | black_box(&(13..30).collect::>()), [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #64102 for more information [INFO] [stdout] = help: add `#![feature(bench_black_box)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature 'bench_black_box' [INFO] [stdout] --> src/task.rs:164:17 [INFO] [stdout] | [INFO] [stdout] 164 | let _ = black_box(out); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #64102 for more information [INFO] [stdout] = help: add `#![feature(bench_black_box)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature 'bench_black_box' [INFO] [stdout] --> src/task.rs:145:9 [INFO] [stdout] | [INFO] [stdout] 145 | use std::hint::black_box; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #64102 for more information [INFO] [stdout] = help: add `#![feature(bench_black_box)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 9 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0658`. [INFO] [stdout] [INFO] [stderr] error: could not compile `ocron` due to 10 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "08766811f7b378011ce02da2b79eaf51466cc0390ab65b267559caf019753a5d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "08766811f7b378011ce02da2b79eaf51466cc0390ab65b267559caf019753a5d", kill_on_drop: false }` [INFO] [stdout] 08766811f7b378011ce02da2b79eaf51466cc0390ab65b267559caf019753a5d