[INFO] fetching crate ocron 0.2.0... [INFO] testing ocron-0.2.0 against 1.55.0 for beta-1.56-1 [INFO] extracting crate ocron 0.2.0 into /workspace/builds/worker-107/source [INFO] validating manifest of crates.io crate ocron 0.2.0 on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-107/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" "+1.55.0" "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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded serde v1.0.117 [INFO] [stderr] Downloaded anyhow v1.0.34 [INFO] [stderr] Downloaded libc v0.2.80 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 897c5b282a4a575ee98641cdc4dbc3b0f9547b7a293104ce08717f4b41b18999 [INFO] running `Command { std: "docker" "start" "-a" "897c5b282a4a575ee98641cdc4dbc3b0f9547b7a293104ce08717f4b41b18999", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "897c5b282a4a575ee98641cdc4dbc3b0f9547b7a293104ce08717f4b41b18999", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "897c5b282a4a575ee98641cdc4dbc3b0f9547b7a293104ce08717f4b41b18999", kill_on_drop: false }` [INFO] [stdout] 897c5b282a4a575ee98641cdc4dbc3b0f9547b7a293104ce08717f4b41b18999 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d46514dab4e44c5c1393fd3220112d4a7fa6fec31b54e16f4e90e60daf8adccb [INFO] running `Command { std: "docker" "start" "-a" "d46514dab4e44c5c1393fd3220112d4a7fa6fec31b54e16f4e90e60daf8adccb", 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 num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [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 38.22s [INFO] running `Command { std: "docker" "inspect" "d46514dab4e44c5c1393fd3220112d4a7fa6fec31b54e16f4e90e60daf8adccb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d46514dab4e44c5c1393fd3220112d4a7fa6fec31b54e16f4e90e60daf8adccb", kill_on_drop: false }` [INFO] [stdout] d46514dab4e44c5c1393fd3220112d4a7fa6fec31b54e16f4e90e60daf8adccb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 113ecfd7fc2c4695c27a771b0c7c9f19e45709fb1e12a0676d4105d848816a04 [INFO] running `Command { std: "docker" "start" "-a" "113ecfd7fc2c4695c27a771b0c7c9f19e45709fb1e12a0676d4105d848816a04", kill_on_drop: false }` [INFO] [stderr] Compiling ocron v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable 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" "113ecfd7fc2c4695c27a771b0c7c9f19e45709fb1e12a0676d4105d848816a04", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "113ecfd7fc2c4695c27a771b0c7c9f19e45709fb1e12a0676d4105d848816a04", kill_on_drop: false }` [INFO] [stdout] 113ecfd7fc2c4695c27a771b0c7c9f19e45709fb1e12a0676d4105d848816a04