[INFO] cloning repository https://github.com/mqudsi/tokio-stdin [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mqudsi/tokio-stdin" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmqudsi%2Ftokio-stdin", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmqudsi%2Ftokio-stdin'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4f4b38fa929d731e035e9bad9dd5fe073727a487 [INFO] checking mqudsi/tokio-stdin against master#50e1dc1536264ab71c0850f346b12309477f29f7 for pr-85073 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmqudsi%2Ftokio-stdin" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mqudsi/tokio-stdin on toolchain 50e1dc1536264ab71c0850f346b12309477f29f7 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mqudsi/tokio-stdin [INFO] finished tweaking git repo https://github.com/mqudsi/tokio-stdin [INFO] tweaked toml for git repo https://github.com/mqudsi/tokio-stdin written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/mqudsi/tokio-stdin already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 23737e4b71c22f9c097b5dfd69f6c1b24d357ca0961df51e49755db8004db2ab [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" "23737e4b71c22f9c097b5dfd69f6c1b24d357ca0961df51e49755db8004db2ab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "23737e4b71c22f9c097b5dfd69f6c1b24d357ca0961df51e49755db8004db2ab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "23737e4b71c22f9c097b5dfd69f6c1b24d357ca0961df51e49755db8004db2ab", kill_on_drop: false }` [INFO] [stdout] 23737e4b71c22f9c097b5dfd69f6c1b24d357ca0961df51e49755db8004db2ab [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+50e1dc1536264ab71c0850f346b12309477f29f7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f4b81414a1386b3fa465ca2bc7607ee38267e7d68649f4e73acf75ef2d0805da [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" "f4b81414a1386b3fa465ca2bc7607ee38267e7d68649f4e73acf75ef2d0805da", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Checking pin-project-lite v0.2.6 [INFO] [stderr] Compiling tokio v1.4.0 [INFO] [stderr] Compiling syn v1.0.64 [INFO] [stderr] Compiling tokio-macros v1.1.0 [INFO] [stderr] Checking tokio-stdin v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0658]: use of unstable library feature 'bench_black_box' [INFO] [stdout] --> src/main.rs:72:9 [INFO] [stdout] | [INFO] [stdout] 72 | core::hint::black_box(&mut ts_buffer); [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/main.rs:84:9 [INFO] [stdout] | [INFO] [stdout] 84 | core::hint::black_box(&mut ts_buffer); [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/main.rs:72:9 [INFO] [stdout] | [INFO] [stdout] 72 | core::hint::black_box(&mut ts_buffer); [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/main.rs:84:9 [INFO] [stdout] | [INFO] [stdout] 84 | core::hint::black_box(&mut ts_buffer); [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 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0658`. [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 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 `tokio-stdin` [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" "f4b81414a1386b3fa465ca2bc7607ee38267e7d68649f4e73acf75ef2d0805da", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f4b81414a1386b3fa465ca2bc7607ee38267e7d68649f4e73acf75ef2d0805da", kill_on_drop: false }` [INFO] [stdout] f4b81414a1386b3fa465ca2bc7607ee38267e7d68649f4e73acf75ef2d0805da