[INFO] fetching crate pro_prelude 3.0.0-rc2...
[INFO] checking pro_prelude-3.0.0-rc2 against try#32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d for pr-83312
[INFO] extracting crate pro_prelude 3.0.0-rc2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate pro_prelude 3.0.0-rc2 on toolchain 32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pro_prelude 3.0.0-rc2
[INFO] finished tweaking crates.io crate pro_prelude 3.0.0-rc2
[INFO] tweaked toml for crates.io crate pro_prelude 3.0.0-rc2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "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" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "fetch" "--locked" "--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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa8cd946aa9dbe5ff5f0f8cb5ad362fdce0fd1ea433914ea1a8dcd715105af32
[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" "fa8cd946aa9dbe5ff5f0f8cb5ad362fdce0fd1ea433914ea1a8dcd715105af32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa8cd946aa9dbe5ff5f0f8cb5ad362fdce0fd1ea433914ea1a8dcd715105af32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa8cd946aa9dbe5ff5f0f8cb5ad362fdce0fd1ea433914ea1a8dcd715105af32", kill_on_drop: false }`
[INFO] [stdout] fa8cd946aa9dbe5ff5f0f8cb5ad362fdce0fd1ea433914ea1a8dcd715105af32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a37c0955d02df3ec3717b8c511bc9b3bfe560afff661692f6cd04adc84bed6d8
[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" "a37c0955d02df3ec3717b8c511bc9b3bfe560afff661692f6cd04adc84bed6d8", kill_on_drop: false }`
[INFO] [stderr]     Checking pro_prelude v3.0.0-rc2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated type alias `std::collections::Bound`: moved to `std::ops::Bound`
[INFO] [stdout]   --> src/lib.rs:48:17
[INFO] [stdout]    |
[INFO] [stdout] 48 |                 Bound,
[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: use of deprecated type alias `std::collections::Bound`: moved to `std::ops::Bound`
[INFO] [stdout]   --> src/lib.rs:48:17
[INFO] [stdout]    |
[INFO] [stdout] 48 |                 Bound,
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "a37c0955d02df3ec3717b8c511bc9b3bfe560afff661692f6cd04adc84bed6d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a37c0955d02df3ec3717b8c511bc9b3bfe560afff661692f6cd04adc84bed6d8", kill_on_drop: false }`
[INFO] [stdout] a37c0955d02df3ec3717b8c511bc9b3bfe560afff661692f6cd04adc84bed6d8