[INFO] fetching crate ocron 0.2.0... [INFO] testing ocron-0.2.0 against beta-2021-09-08 for beta-1.56-1 [INFO] extracting crate ocron 0.2.0 into /workspace/builds/worker-102/source [INFO] validating manifest of crates.io crate ocron 0.2.0 on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-102/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" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e8847328433685ecdd85703413eee16ce5212004de8825f2bacad7d0c5646f10 [INFO] running `Command { std: "docker" "start" "-a" "e8847328433685ecdd85703413eee16ce5212004de8825f2bacad7d0c5646f10", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e8847328433685ecdd85703413eee16ce5212004de8825f2bacad7d0c5646f10", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e8847328433685ecdd85703413eee16ce5212004de8825f2bacad7d0c5646f10", kill_on_drop: false }` [INFO] [stdout] e8847328433685ecdd85703413eee16ce5212004de8825f2bacad7d0c5646f10 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5964b41664939c3be6c80551cf2941b2436e520223554894b60a6c11367dc396 [INFO] running `Command { std: "docker" "start" "-a" "5964b41664939c3be6c80551cf2941b2436e520223554894b60a6c11367dc396", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.80 [INFO] [stderr] Compiling serde v1.0.117 [INFO] [stderr] Compiling anyhow v1.0.34 [INFO] [stderr] Compiling time v0.1.44 [INFO] [stderr] Compiling chrono v0.4.19 [INFO] [stderr] Compiling toml v0.5.8 [INFO] [stderr] Compiling ocron v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 37.49s [INFO] running `Command { std: "docker" "inspect" "5964b41664939c3be6c80551cf2941b2436e520223554894b60a6c11367dc396", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5964b41664939c3be6c80551cf2941b2436e520223554894b60a6c11367dc396", kill_on_drop: false }` [INFO] [stdout] 5964b41664939c3be6c80551cf2941b2436e520223554894b60a6c11367dc396 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c528d90c3a22eedca970cacb2ba5f8d49e4759199a601c77848d6abaea3889a7 [INFO] running `Command { std: "docker" "start" "-a" "c528d90c3a22eedca970cacb2ba5f8d49e4759199a601c77848d6abaea3889a7", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling ocron v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/main.rs:1:19 [INFO] [stdout] | [INFO] [stdout] 1 | #![cfg_attr(test, feature(test))] [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [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] [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] [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] [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] [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] [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] [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] [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] [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] [INFO] [stdout] [INFO] [stdout] error: aborting due to 10 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0554, E0658. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `ocron` due to 11 previous errors [INFO] running `Command { std: "docker" "inspect" "c528d90c3a22eedca970cacb2ba5f8d49e4759199a601c77848d6abaea3889a7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c528d90c3a22eedca970cacb2ba5f8d49e4759199a601c77848d6abaea3889a7", kill_on_drop: false }` [INFO] [stdout] c528d90c3a22eedca970cacb2ba5f8d49e4759199a601c77848d6abaea3889a7