[INFO] fetching crate swc_common 0.10.21... [INFO] checking swc_common-0.10.21 against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477 [INFO] extracting crate swc_common 0.10.21 into /workspace/builds/worker-0/source [INFO] validating manifest of crates.io crate swc_common 0.10.21 on toolchain 90442458ac46b1d5eed752c316da25450f67285b [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate swc_common 0.10.21 [INFO] finished tweaking crates.io crate swc_common 0.10.21 [INFO] tweaked toml for crates.io crate swc_common 0.10.21 written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate crates.io crate swc_common 0.10.21 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c2c9019536ba45e3bb7d39c01b85820fce8aa8b8bb37e5eb682d4f699e180231 [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" "c2c9019536ba45e3bb7d39c01b85820fce8aa8b8bb37e5eb682d4f699e180231", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c2c9019536ba45e3bb7d39c01b85820fce8aa8b8bb37e5eb682d4f699e180231", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c2c9019536ba45e3bb7d39c01b85820fce8aa8b8bb37e5eb682d4f699e180231", kill_on_drop: false }` [INFO] [stdout] c2c9019536ba45e3bb7d39c01b85820fce8aa8b8bb37e5eb682d4f699e180231 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 891c52b5a6a34781e6be7c025b95d6cab9282a55f5d4544cd3ddd958915081eb [INFO] running `Command { std: "docker" "start" "-a" "891c52b5a6a34781e6be7c025b95d6cab9282a55f5d4544cd3ddd958915081eb", kill_on_drop: false }` [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Compiling num-bigint v0.2.6 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Checking crossbeam-utils v0.8.5 [INFO] [stderr] Compiling darling_macro v0.10.2 [INFO] [stderr] Checking serde v1.0.126 [INFO] [stderr] Checking swc_visit v0.2.4 [INFO] [stderr] Checking crossbeam-channel v0.5.1 [INFO] [stderr] Checking crossbeam-epoch v0.9.5 [INFO] [stderr] Checking crossbeam-deque v0.8.0 [INFO] [stderr] Checking rayon-core v1.9.1 [INFO] [stderr] Compiling darling v0.10.2 [INFO] [stderr] Compiling ast_node v0.7.3 [INFO] [stderr] Checking string_cache v0.8.1 [INFO] [stderr] Checking serde_json v1.0.64 [INFO] [stderr] Checking swc_common v0.10.21 (/opt/rustwide/workdir) [INFO] [stdout] error[E0658]: use of unstable library feature 'bench_black_box' [INFO] [stdout] --> benches/serde.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | 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[E0658]: use of unstable library feature 'bench_black_box' [INFO] [stdout] --> benches/serde.rs:57:15 [INFO] [stdout] | [INFO] [stdout] 57 | b.iter(|| black_box(serde_json::to_string(&src).unwrap())); [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] --> benches/serde.rs:73:9 [INFO] [stdout] | [INFO] [stdout] 73 | black_box(t); [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] --> benches/serde.rs:84:15 [INFO] [stdout] | [INFO] [stdout] 84 | b.iter(|| black_box(serde_json::to_string(&src).unwrap())); [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] --> benches/serde.rs:100:9 [INFO] [stdout] | [INFO] [stdout] 100 | black_box(t); [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 5 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 `swc_common` [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] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "891c52b5a6a34781e6be7c025b95d6cab9282a55f5d4544cd3ddd958915081eb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "891c52b5a6a34781e6be7c025b95d6cab9282a55f5d4544cd3ddd958915081eb", kill_on_drop: false }` [INFO] [stdout] 891c52b5a6a34781e6be7c025b95d6cab9282a55f5d4544cd3ddd958915081eb