[INFO] fetching crate rc-dlist-deque 1.0.0...
[INFO] building rc-dlist-deque-1.0.0 against try#615edd3ad1cf6871c977dc900317cb6c2070fd6b for pr-97334
[INFO] extracting crate rc-dlist-deque 1.0.0 into /workspace/builds/worker-20/source
[INFO] validating manifest of crates.io crate rc-dlist-deque 1.0.0 on toolchain 615edd3ad1cf6871c977dc900317cb6c2070fd6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rc-dlist-deque 1.0.0
[INFO] finished tweaking crates.io crate rc-dlist-deque 1.0.0
[INFO] tweaked toml for crates.io crate rc-dlist-deque 1.0.0 written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "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" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8cd99c09aa558376a381bda8131dc5610f07028b2fb575a894c1ab0cdf5ddf08
[INFO] running `Command { std: "docker" "start" "-a" "8cd99c09aa558376a381bda8131dc5610f07028b2fb575a894c1ab0cdf5ddf08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8cd99c09aa558376a381bda8131dc5610f07028b2fb575a894c1ab0cdf5ddf08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cd99c09aa558376a381bda8131dc5610f07028b2fb575a894c1ab0cdf5ddf08", kill_on_drop: false }`
[INFO] [stdout] 8cd99c09aa558376a381bda8131dc5610f07028b2fb575a894c1ab0cdf5ddf08
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef700c6bb36c5b42560c353caf8751682504ef1687fa3e6dc535bb2142877a96
[INFO] running `Command { std: "docker" "start" "-a" "ef700c6bb36c5b42560c353caf8751682504ef1687fa3e6dc535bb2142877a96", kill_on_drop: false }`
[INFO] [stderr]    Compiling rc-dlist-deque v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/dlist/mod.rs:248:13
[INFO] [stdout]     |
[INFO] [stdout] 248 |     fn link(&Self::Node, Self) -> &Link<Self::Node, Self>;
[INFO] [stdout]     |             ^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Self::Node`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/dlist/mod.rs:248:26
[INFO] [stdout]     |
[INFO] [stdout] 248 |     fn link(&Self::Node, Self) -> &Link<Self::Node, Self>;
[INFO] [stdout]     |                          ^^^^ help: try naming the parameter or explicitly ignoring it: `_: Self`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "ef700c6bb36c5b42560c353caf8751682504ef1687fa3e6dc535bb2142877a96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef700c6bb36c5b42560c353caf8751682504ef1687fa3e6dc535bb2142877a96", kill_on_drop: false }`
[INFO] [stdout] ef700c6bb36c5b42560c353caf8751682504ef1687fa3e6dc535bb2142877a96