[INFO] fetching crate tokio-timer-futures2 0.2.1...
[INFO] testing tokio-timer-futures2-0.2.1 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate tokio-timer-futures2 0.2.1 into /workspace/builds/worker-57/source
[INFO] validating manifest of crates.io crate tokio-timer-futures2 0.2.1 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tokio-timer-futures2 0.2.1
[INFO] finished tweaking crates.io crate tokio-timer-futures2 0.2.1
[INFO] tweaked toml for crates.io crate tokio-timer-futures2 0.2.1 written to /workspace/builds/worker-57/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futures-core v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 47aea3f6ea4ec061d9d0644f5ee4001cbf5fce65e21b2b3eca8e0ce8122511e6
[INFO] running `Command { std: "docker" "start" "-a" "47aea3f6ea4ec061d9d0644f5ee4001cbf5fce65e21b2b3eca8e0ce8122511e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47aea3f6ea4ec061d9d0644f5ee4001cbf5fce65e21b2b3eca8e0ce8122511e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47aea3f6ea4ec061d9d0644f5ee4001cbf5fce65e21b2b3eca8e0ce8122511e6", kill_on_drop: false }`
[INFO] [stdout] 47aea3f6ea4ec061d9d0644f5ee4001cbf5fce65e21b2b3eca8e0ce8122511e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc5dbea63e123b742e0a24471877ef94dcc1caf8bfc4d21dfd6f3400407f231e
[INFO] running `Command { std: "docker" "start" "-a" "fc5dbea63e123b742e0a24471877ef94dcc1caf8bfc4d21dfd6f3400407f231e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling slab v0.3.0
[INFO] [stderr]    Compiling futures-core v0.2.1
[INFO] [stderr]    Compiling tokio-timer-futures2 v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/timer.rs:430:34
[INFO] [stdout]     |
[INFO] [stdout] 430 |         write!(fmt, "{}", Error::description(self))
[INFO] [stdout]     |                                  ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:88:9
[INFO] [stdout]     |
[INFO] [stdout] 88  | #![deny(warnings, missing_docs, missing_debug_implementations)]
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     = note: `#[deny(deprecated)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/timer.rs:445:34
[INFO] [stdout]     |
[INFO] [stdout] 445 |         write!(fmt, "{}", Error::description(self))
[INFO] [stdout]     |                                  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/timer.rs:451:34
[INFO] [stdout]     |
[INFO] [stdout] 451 |         write!(fmt, "{}", Error::description(self))
[INFO] [stdout]     |                                  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/mpmc.rs:77:52
[INFO] [stdout]    |
[INFO] [stdout] 77 |                 let enqueue_pos = self.enqueue_pos.compare_and_swap(pos, pos + 1, Relaxed);
[INFO] [stdout]    |                                                    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/mpmc.rs:111:52
[INFO] [stdout]     |
[INFO] [stdout] 111 |                 let dequeue_pos = self.dequeue_pos.compare_and_swap(pos, pos + 1, Relaxed);
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tokio-timer-futures2` due to 6 previous errors
[INFO] running `Command { std: "docker" "inspect" "fc5dbea63e123b742e0a24471877ef94dcc1caf8bfc4d21dfd6f3400407f231e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc5dbea63e123b742e0a24471877ef94dcc1caf8bfc4d21dfd6f3400407f231e", kill_on_drop: false }`
[INFO] [stdout] fc5dbea63e123b742e0a24471877ef94dcc1caf8bfc4d21dfd6f3400407f231e