[INFO] cloning repository https://github.com/vincenthouyi/cs140e-pi [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vincenthouyi/cs140e-pi" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvincenthouyi%2Fcs140e-pi", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvincenthouyi%2Fcs140e-pi'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6a7421f238c757b26d8cc35ab76a0cd07d5efa1f [INFO] checking vincenthouyi/cs140e-pi against beta for pr-78714 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvincenthouyi%2Fcs140e-pi" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/vincenthouyi/cs140e-pi on toolchain beta [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/vincenthouyi/cs140e-pi [INFO] finished tweaking git repo https://github.com/vincenthouyi/cs140e-pi [INFO] tweaked toml for git repo https://github.com/vincenthouyi/cs140e-pi written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/vincenthouyi/cs140e-pi already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating git repository `https://github.com/vincenthouyi/cs140e-volatile` [INFO] [stderr] error: the lock file /workspace/builds/worker-4/source/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag. [INFO] the lockfile is outdated, regenerating it [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Updating git repository `https://github.com/vincenthouyi/cs140e-volatile` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1609d03f8ec093e76eb38481fd405bb491f48c0bd6bbb9250b0e5e36be15b953 [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" "1609d03f8ec093e76eb38481fd405bb491f48c0bd6bbb9250b0e5e36be15b953", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1609d03f8ec093e76eb38481fd405bb491f48c0bd6bbb9250b0e5e36be15b953", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1609d03f8ec093e76eb38481fd405bb491f48c0bd6bbb9250b0e5e36be15b953", kill_on_drop: false }` [INFO] [stdout] 1609d03f8ec093e76eb38481fd405bb491f48c0bd6bbb9250b0e5e36be15b953 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 91012d475db50734263a100d244915927e30ac308d3d85c79245c749a05042fb [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" "91012d475db50734263a100d244915927e30ac308d3d85c79245c749a05042fb", kill_on_drop: false }` [INFO] [stderr] Checking volatile v0.1.0 (https://github.com/vincenthouyi/cs140e-volatile#3641cad7) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> /opt/rustwide/cargo-home/git/checkouts/cs140e-volatile-822153f7e41e0387/3641cad/src/lib.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(decl_macro)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> /opt/rustwide/cargo-home/git/checkouts/cs140e-volatile-822153f7e41e0387/3641cad/src/lib.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(optin_builtin_traits)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now [INFO] [stdout] --> /opt/rustwide/cargo-home/git/checkouts/cs140e-volatile-822153f7e41e0387/3641cad/src/lib.rs:59:9 [INFO] [stdout] | [INFO] [stdout] 59 | impl !Sync for ReadVolatile { } [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #68318 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now [INFO] [stdout] --> /opt/rustwide/cargo-home/git/checkouts/cs140e-volatile-822153f7e41e0387/3641cad/src/lib.rs:67:9 [INFO] [stdout] | [INFO] [stdout] 67 | impl !Sync for Volatile { } [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #68318 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now [INFO] [stdout] --> /opt/rustwide/cargo-home/git/checkouts/cs140e-volatile-822153f7e41e0387/3641cad/src/lib.rs:73:9 [INFO] [stdout] | [INFO] [stdout] 73 | impl !Sync for WriteVolatile { } [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #68318 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 5 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 `volatile` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `Command { std: "docker" "inspect" "91012d475db50734263a100d244915927e30ac308d3d85c79245c749a05042fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "91012d475db50734263a100d244915927e30ac308d3d85c79245c749a05042fb", kill_on_drop: false }` [INFO] [stdout] 91012d475db50734263a100d244915927e30ac308d3d85c79245c749a05042fb