[INFO] fetching crate eventuals 0.6.7...
[INFO] checking eventuals-0.6.7 against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124157
[INFO] extracting crate eventuals 0.6.7 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate eventuals 0.6.7 on toolchain c2f2db79ca3024f68d22b45aa22b570775c2c4ad
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate eventuals 0.6.7
[INFO] finished tweaking crates.io crate eventuals 0.6.7
[INFO] tweaked toml for crates.io crate eventuals 0.6.7 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 50 packages to latest compatible versions
[INFO] [stderr]       Adding addr2line v0.21.0 (latest: v0.22.0)
[INFO] [stderr]       Adding gimli v0.28.1 (latest: v0.29.0)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.35.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "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 by_address v1.2.1
[INFO] [stderr]   Downloaded never v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ed89d4bc04cb3accb892a98d4e9206fec7d659574f0837fe008800fc878b4a9
[INFO] running `Command { std: "docker" "start" "-a" "1ed89d4bc04cb3accb892a98d4e9206fec7d659574f0837fe008800fc878b4a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ed89d4bc04cb3accb892a98d4e9206fec7d659574f0837fe008800fc878b4a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ed89d4bc04cb3accb892a98d4e9206fec7d659574f0837fe008800fc878b4a9", kill_on_drop: false }`
[INFO] [stdout] 1ed89d4bc04cb3accb892a98d4e9206fec7d659574f0837fe008800fc878b4a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af540c018cc89219598749c57f8792d94d2155363cdaf1287e4ff66fcde709ed
[INFO] running `Command { std: "docker" "start" "-a" "af540c018cc89219598749c57f8792d94d2155363cdaf1287e4ff66fcde709ed", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking never v0.1.0
[INFO] [stderr]     Checking by_address v1.2.1
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking eventuals v0.6.7 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find function `idle` in this scope
[INFO] [stdout]   --> tests/idle.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |         idle().await;
[INFO] [stdout]    |         ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `idle` in this scope
[INFO] [stdout]   --> tests/idle.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     idle().await;
[INFO] [stdout]    |     ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `idle` in this scope
[INFO] [stdout]   --> tests/idle.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     idle().await;
[INFO] [stdout]    |     ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `idle` in this scope
[INFO] [stdout]   --> tests/idle.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     idle().await;
[INFO] [stdout]    |     ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `eventuals` (test "idle") due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0599]: no method named `subscriber_count` found for struct `eventuals::Eventual` in the current scope
[INFO] [stdout]   --> tests/eventual.rs:42:25
[INFO] [stdout]    |
[INFO] [stdout] 42 |     assert_eq!(eventual.subscriber_count(), 0);
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `subscribe` with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 42 |     assert_eq!(eventual.subscribe(), 0);
[INFO] [stdout]    |                         ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `subscriber_count` found for struct `eventuals::Eventual` in the current scope
[INFO] [stdout]   --> tests/eventual.rs:44:25
[INFO] [stdout]    |
[INFO] [stdout] 44 |     assert_eq!(eventual.subscriber_count(), 1);
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `subscribe` with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 44 |     assert_eq!(eventual.subscribe(), 1);
[INFO] [stdout]    |                         ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `subscriber_count` found for struct `eventuals::Eventual` in the current scope
[INFO] [stdout]   --> tests/eventual.rs:46:25
[INFO] [stdout]    |
[INFO] [stdout] 46 |     assert_eq!(eventual.subscriber_count(), 2);
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `subscribe` with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 46 |     assert_eq!(eventual.subscribe(), 2);
[INFO] [stdout]    |                         ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `subscriber_count` found for struct `eventuals::Eventual` in the current scope
[INFO] [stdout]   --> tests/eventual.rs:51:25
[INFO] [stdout]    |
[INFO] [stdout] 51 |     assert_eq!(eventual.subscriber_count(), 1);
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `subscribe` with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 51 |     assert_eq!(eventual.subscribe(), 1);
[INFO] [stdout]    |                         ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `subscriber_count` found for struct `eventuals::Eventual` in the current scope
[INFO] [stdout]   --> tests/eventual.rs:59:25
[INFO] [stdout]    |
[INFO] [stdout] 59 |     assert_eq!(eventual.subscriber_count(), 0);
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `subscribe` with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 59 |     assert_eq!(eventual.subscribe(), 0);
[INFO] [stdout]    |                         ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `subscriber_count` found for struct `Arc<eventuals::Eventual<u32>>` in the current scope
[INFO] [stdout]    --> tests/eventual.rs:110:23
[INFO] [stdout]     |
[INFO] [stdout] 110 |     assert_eq!(source.subscriber_count(), 1);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `subscribe` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 110 |     assert_eq!(source.subscribe(), 1);
[INFO] [stdout]     |                       ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `subscriber_count` found for struct `Arc<eventuals::Eventual<u32>>` in the current scope
[INFO] [stdout]    --> tests/eventual.rs:111:23
[INFO] [stdout]     |
[INFO] [stdout] 111 |     assert_eq!(mapped.subscriber_count(), 0);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `subscribe` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 111 |     assert_eq!(mapped.subscribe(), 0);
[INFO] [stdout]     |                       ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `subscriber_count` found for struct `Arc<eventuals::Eventual<u32>>` in the current scope
[INFO] [stdout]    --> tests/eventual.rs:116:23
[INFO] [stdout]     |
[INFO] [stdout] 116 |     assert_eq!(source.subscriber_count(), 1);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `subscribe` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 116 |     assert_eq!(source.subscribe(), 1);
[INFO] [stdout]     |                       ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `subscriber_count` found for struct `Arc<eventuals::Eventual<u32>>` in the current scope
[INFO] [stdout]    --> tests/eventual.rs:121:23
[INFO] [stdout]     |
[INFO] [stdout] 121 |     assert_eq!(source.subscriber_count(), 0);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `subscribe` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 121 |     assert_eq!(source.subscribe(), 0);
[INFO] [stdout]     |                       ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 9 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 `eventuals` (test "eventual") due to 10 previous errors
[INFO] running `Command { std: "docker" "inspect" "af540c018cc89219598749c57f8792d94d2155363cdaf1287e4ff66fcde709ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af540c018cc89219598749c57f8792d94d2155363cdaf1287e4ff66fcde709ed", kill_on_drop: false }`
[INFO] [stdout] af540c018cc89219598749c57f8792d94d2155363cdaf1287e4ff66fcde709ed
