[INFO] crate futex 0.1.3 is already in cache
[INFO] testing futex-0.1.3 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate futex 0.1.3 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate futex 0.1.3 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate futex 0.1.3
[INFO] finished tweaking crates.io crate futex 0.1.3
[INFO] tweaked toml for crates.io crate futex 0.1.3 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 113acc60ff4a0225201d16eb4a2e5cffec1b4d15b0567a5c700e82824abec99a
[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" "113acc60ff4a0225201d16eb4a2e5cffec1b4d15b0567a5c700e82824abec99a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "113acc60ff4a0225201d16eb4a2e5cffec1b4d15b0567a5c700e82824abec99a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "113acc60ff4a0225201d16eb4a2e5cffec1b4d15b0567a5c700e82824abec99a", kill_on_drop: false }`
[INFO] [stdout] 113acc60ff4a0225201d16eb4a2e5cffec1b4d15b0567a5c700e82824abec99a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 65074fa3f408e8ccdc14395b578a43c49c56497db0caaa19fafa52bb28f357a2
[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" "65074fa3f408e8ccdc14395b578a43c49c56497db0caaa19fafa52bb28f357a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling integer-atomics v1.0.2
[INFO] [stderr]    Compiling lock-wrappers v0.1.2
[INFO] [stderr]    Compiling futex v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "65074fa3f408e8ccdc14395b578a43c49c56497db0caaa19fafa52bb28f357a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65074fa3f408e8ccdc14395b578a43c49c56497db0caaa19fafa52bb28f357a2", kill_on_drop: false }`
[INFO] [stdout] 65074fa3f408e8ccdc14395b578a43c49c56497db0caaa19fafa52bb28f357a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--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] 45a41c21a6d6529b9c1152dbee28557cbad5c40ba23e5cdc5b4bc0aafe8bfcda
[INFO] running `Command { std: "docker" "start" "-a" "45a41c21a6d6529b9c1152dbee28557cbad5c40ba23e5cdc5b4bc0aafe8bfcda", kill_on_drop: false }`
[INFO] [stderr]    Compiling futex v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no function or associated item named `new` found for struct `futex::raw::RwLock` in the current scope
[INFO] [stdout]   --> examples/main.rs:11:34
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let futex = Arc::new(RwLock::new());
[INFO] [stdout]    |                                  ^^^ function or associated item not found in `futex::raw::RwLock`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `clone` found for struct `std::sync::Arc<_>` in the current scope
[INFO] [stdout]   --> examples/main.rs:12:24
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let futex2 = futex.clone();
[INFO] [stdout]    |                        ^^^^^ method not found in `std::sync::Arc<_>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `futex` is a function, perhaps you wish to call it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `acquire_read` found for struct `std::sync::Arc<_>` in the current scope
[INFO] [stdout]   --> examples/main.rs:13:11
[INFO] [stdout]    |
[INFO] [stdout] 13 |     futex.acquire_read();
[INFO] [stdout]    |           ^^^^^^^^^^^^ method not found in `std::sync::Arc<_>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `futex` is a function, perhaps you wish to call it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `acquire_read` found for struct `std::sync::Arc<_>` in the current scope
[INFO] [stdout]   --> examples/main.rs:14:11
[INFO] [stdout]    |
[INFO] [stdout] 14 |     futex.acquire_read();
[INFO] [stdout]    |           ^^^^^^^^^^^^ method not found in `std::sync::Arc<_>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `futex` is a function, perhaps you wish to call it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `acquire_read` found for struct `std::sync::Arc<_>` in the current scope
[INFO] [stdout]   --> examples/main.rs:15:11
[INFO] [stdout]    |
[INFO] [stdout] 15 |     futex.acquire_read();
[INFO] [stdout]    |           ^^^^^^^^^^^^ method not found in `std::sync::Arc<_>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `futex` is a function, perhaps you wish to call it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `release_read` found for struct `std::sync::Arc<_>` in the current scope
[INFO] [stdout]   --> examples/main.rs:32:11
[INFO] [stdout]    |
[INFO] [stdout] 32 |     futex.release_read();
[INFO] [stdout]    |           ^^^^^^^^^^^^ method not found in `std::sync::Arc<_>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `futex` is a function, perhaps you wish to call it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `release_read` found for struct `std::sync::Arc<_>` in the current scope
[INFO] [stdout]   --> examples/main.rs:33:11
[INFO] [stdout]    |
[INFO] [stdout] 33 |     futex.release_read();
[INFO] [stdout]    |           ^^^^^^^^^^^^ method not found in `std::sync::Arc<_>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `futex` is a function, perhaps you wish to call it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `release_read` found for struct `std::sync::Arc<_>` in the current scope
[INFO] [stdout]   --> examples/main.rs:36:11
[INFO] [stdout]    |
[INFO] [stdout] 36 |     futex.release_read();
[INFO] [stdout]    |           ^^^^^^^^^^^^ method not found in `std::sync::Arc<_>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `futex` is a function, perhaps you wish to call it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `acquire_write` found for struct `std::sync::Arc<_>` in the current scope
[INFO] [stdout]   --> examples/main.rs:38:11
[INFO] [stdout]    |
[INFO] [stdout] 38 |     futex.acquire_write();
[INFO] [stdout]    |           ^^^^^^^^^^^^^ method not found in `std::sync::Arc<_>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `futex` is a function, perhaps you wish to call it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `release_write` found for struct `std::sync::Arc<_>` in the current scope
[INFO] [stdout]   --> examples/main.rs:41:11
[INFO] [stdout]    |
[INFO] [stdout] 41 |     futex.release_write();
[INFO] [stdout]    |           ^^^^^^^^^^^^^ method not found in `std::sync::Arc<_>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `futex` is a function, perhaps you wish to call it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 10 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `futex`.
[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] [stdout] error[E0599]: no function or associated item named `new` found for struct `raw::futex::Futex` in the current scope
[INFO] [stdout]   --> src/raw/mod.rs:20:37
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let futex = Arc::new(Mutex::new());
[INFO] [stdout]    |                                     ^^^ function or associated item not found in `raw::futex::Futex`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/raw/futex.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Futex {
[INFO] [stdout]    | ---------------- function or associated item `new` not found for this
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]    = note: the following trait defines an item `new`, perhaps you need to implement it:
[INFO] [stdout]            candidate #1: `integer_atomics::atomic::IntCast`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `clone` found for struct `std::sync::Arc<_>` in the current scope
[INFO] [stdout]   --> src/raw/mod.rs:21:28
[INFO] [stdout]    |
[INFO] [stdout] 21 |         let futex2 = futex.clone();
[INFO] [stdout]    |                            ^^^^^ method not found in `std::sync::Arc<_>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `futex` is a function, perhaps you wish to call it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `acquire` found for struct `std::sync::Arc<_>` in the current scope
[INFO] [stdout]   --> src/raw/mod.rs:22:15
[INFO] [stdout]    |
[INFO] [stdout] 22 |         futex.acquire();
[INFO] [stdout]    |               ^^^^^^^ method not found in `std::sync::Arc<_>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `futex` is a function, perhaps you wish to call it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `acquire` found for struct `std::sync::Arc<_>` in the current scope
[INFO] [stdout]   --> src/raw/mod.rs:27:15
[INFO] [stdout]    |
[INFO] [stdout] 27 |         futex.acquire();
[INFO] [stdout]    |               ^^^^^^^ method not found in `std::sync::Arc<_>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `futex` is a function, perhaps you wish to call it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `release` found for struct `std::sync::Arc<_>` in the current scope
[INFO] [stdout]   --> src/raw/mod.rs:28:15
[INFO] [stdout]    |
[INFO] [stdout] 28 |         futex.release();
[INFO] [stdout]    |               ^^^^^^^ method not found in `std::sync::Arc<_>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `futex` is a function, perhaps you wish to call it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `new` found for struct `raw::rwfutex4::RwFutex2` in the current scope
[INFO] [stdout]   --> src/raw/mod.rs:33:38
[INFO] [stdout]    |
[INFO] [stdout] 33 |         let futex = Arc::new(RwLock::new());
[INFO] [stdout]    |                                      ^^^ function or associated item not found in `raw::rwfutex4::RwFutex2`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/raw/rwfutex4.rs:34:1
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub struct RwFutex2 {
[INFO] [stdout]    | ------------------- function or associated item `new` not found for this
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]    = note: the following trait defines an item `new`, perhaps you need to implement it:
[INFO] [stdout]            candidate #1: `integer_atomics::atomic::IntCast`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `clone` found for struct `std::sync::Arc<_>` in the current scope
[INFO] [stdout]   --> src/raw/mod.rs:34:28
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let futex2 = futex.clone();
[INFO] [stdout]    |                            ^^^^^ method not found in `std::sync::Arc<_>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `futex` is a function, perhaps you wish to call it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `acquire_read` found for struct `std::sync::Arc<_>` in the current scope
[INFO] [stdout]   --> src/raw/mod.rs:35:15
[INFO] [stdout]    |
[INFO] [stdout] 35 |         futex.acquire_read();
[INFO] [stdout]    |               ^^^^^^^^^^^^ method not found in `std::sync::Arc<_>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `futex` is a function, perhaps you wish to call it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `acquire_read` found for struct `std::sync::Arc<_>` in the current scope
[INFO] [stdout]   --> src/raw/mod.rs:36:15
[INFO] [stdout]    |
[INFO] [stdout] 36 |         futex.acquire_read();
[INFO] [stdout]    |               ^^^^^^^^^^^^ method not found in `std::sync::Arc<_>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `futex` is a function, perhaps you wish to call it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `acquire_read` found for struct `std::sync::Arc<_>` in the current scope
[INFO] [stdout]   --> src/raw/mod.rs:37:15
[INFO] [stdout]    |
[INFO] [stdout] 37 |         futex.acquire_read();
[INFO] [stdout]    |               ^^^^^^^^^^^^ method not found in `std::sync::Arc<_>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `futex` is a function, perhaps you wish to call it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `release_read` found for struct `std::sync::Arc<_>` in the current scope
[INFO] [stdout]   --> src/raw/mod.rs:45:15
[INFO] [stdout]    |
[INFO] [stdout] 45 |         futex.release_read();
[INFO] [stdout]    |               ^^^^^^^^^^^^ method not found in `std::sync::Arc<_>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `futex` is a function, perhaps you wish to call it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `release_read` found for struct `std::sync::Arc<_>` in the current scope
[INFO] [stdout]   --> src/raw/mod.rs:46:15
[INFO] [stdout]    |
[INFO] [stdout] 46 |         futex.release_read();
[INFO] [stdout]    |               ^^^^^^^^^^^^ method not found in `std::sync::Arc<_>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `futex` is a function, perhaps you wish to call it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `release_read` found for struct `std::sync::Arc<_>` in the current scope
[INFO] [stdout]   --> src/raw/mod.rs:47:15
[INFO] [stdout]    |
[INFO] [stdout] 47 |         futex.release_read();
[INFO] [stdout]    |               ^^^^^^^^^^^^ method not found in `std::sync::Arc<_>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `futex` is a function, perhaps you wish to call it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `acquire_read` found for struct `std::sync::Arc<_>` in the current scope
[INFO] [stdout]   --> src/raw/mod.rs:48:15
[INFO] [stdout]    |
[INFO] [stdout] 48 |         futex.acquire_read();
[INFO] [stdout]    |               ^^^^^^^^^^^^ method not found in `std::sync::Arc<_>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `futex` is a function, perhaps you wish to call it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `release_read` found for struct `std::sync::Arc<_>` in the current scope
[INFO] [stdout]   --> src/raw/mod.rs:49:15
[INFO] [stdout]    |
[INFO] [stdout] 49 |         futex.release_read();
[INFO] [stdout]    |               ^^^^^^^^^^^^ method not found in `std::sync::Arc<_>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `futex` is a function, perhaps you wish to call it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 15 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "45a41c21a6d6529b9c1152dbee28557cbad5c40ba23e5cdc5b4bc0aafe8bfcda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45a41c21a6d6529b9c1152dbee28557cbad5c40ba23e5cdc5b4bc0aafe8bfcda", kill_on_drop: false }`
[INFO] [stdout] 45a41c21a6d6529b9c1152dbee28557cbad5c40ba23e5cdc5b4bc0aafe8bfcda