[INFO] fetching crate futures-core-preview 0.3.0-alpha.19...
[INFO] checking futures-core-preview-0.3.0-alpha.19 against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] extracting crate futures-core-preview 0.3.0-alpha.19 into /workspace/builds/worker-116/source
[INFO] validating manifest of crates.io crate futures-core-preview 0.3.0-alpha.19 on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate futures-core-preview 0.3.0-alpha.19
[INFO] finished tweaking crates.io crate futures-core-preview 0.3.0-alpha.19
[INFO] tweaked toml for crates.io crate futures-core-preview 0.3.0-alpha.19 written to /workspace/builds/worker-116/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 58d6cd283348490732b4d305c6dc02c39aaee23ad69c054fcba8422d8a69a89b
[INFO] running `Command { std: "docker" "start" "-a" "58d6cd283348490732b4d305c6dc02c39aaee23ad69c054fcba8422d8a69a89b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "58d6cd283348490732b4d305c6dc02c39aaee23ad69c054fcba8422d8a69a89b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58d6cd283348490732b4d305c6dc02c39aaee23ad69c054fcba8422d8a69a89b", kill_on_drop: false }`
[INFO] [stdout] 58d6cd283348490732b4d305c6dc02c39aaee23ad69c054fcba8422d8a69a89b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e13125e286d7b00b19f2684fcc9ae0e89f426e8ef161e7ec402216b2998ed633
[INFO] running `Command { std: "docker" "start" "-a" "e13125e286d7b00b19f2684fcc9ae0e89f426e8ef161e7ec402216b2998ed633", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.19 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/task/__internal/atomic_waker.rs:262:26
[INFO] [stdout]     |
[INFO] [stdout] 262 |         match self.state.compare_and_swap(WAITING, REGISTERING, Acquire) {
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/task/__internal/atomic_waker.rs:262:26
[INFO] [stdout]     |
[INFO] [stdout] 262 |         match self.state.compare_and_swap(WAITING, REGISTERING, Acquire) {
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "e13125e286d7b00b19f2684fcc9ae0e89f426e8ef161e7ec402216b2998ed633", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e13125e286d7b00b19f2684fcc9ae0e89f426e8ef161e7ec402216b2998ed633", kill_on_drop: false }`
[INFO] [stdout] e13125e286d7b00b19f2684fcc9ae0e89f426e8ef161e7ec402216b2998ed633