[INFO] fetching crate arraydeque 0.4.5...
[INFO] crate arraydeque 0.4.5 is already in cache
[INFO] crate arraydeque 0.4.5 is already in cache
[INFO] crate arraydeque 0.4.5 is already in cache
[INFO] crate arraydeque 0.4.5 is already in cache
[INFO] crate arraydeque 0.4.5 is already in cache
[INFO] crate arraydeque 0.4.5 is already in cache
[INFO] crate arraydeque 0.4.5 is already in cache
[INFO] crate arraydeque 0.4.5 is already in cache
[INFO] crate arraydeque 0.4.5 is already in cache
[INFO] crate arraydeque 0.4.5 is already in cache
[INFO] crate arraydeque 0.4.5 is already in cache
[INFO] crate arraydeque 0.4.5 is already in cache
[INFO] crate arraydeque 0.4.5 is already in cache
[INFO] crate arraydeque 0.4.5 is already in cache
[INFO] checking arraydeque-0.4.5 against master#ea6ab1bd845790fb31ba790d2c7aec898f89fe62 for pr-99880
[INFO] extracting crate arraydeque 0.4.5 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate arraydeque 0.4.5 on toolchain ea6ab1bd845790fb31ba790d2c7aec898f89fe62
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ea6ab1bd845790fb31ba790d2c7aec898f89fe62" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate arraydeque 0.4.5
[INFO] finished tweaking crates.io crate arraydeque 0.4.5
[INFO] tweaked toml for crates.io crate arraydeque 0.4.5 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ea6ab1bd845790fb31ba790d2c7aec898f89fe62" "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" "+ea6ab1bd845790fb31ba790d2c7aec898f89fe62" "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-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+ea6ab1bd845790fb31ba790d2c7aec898f89fe62" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cf15e2a668968f3767010f9ae6b07df31ec7e01a8981a58b6a7928759c1dbe82
[INFO] running `Command { std: "docker" "start" "-a" "cf15e2a668968f3767010f9ae6b07df31ec7e01a8981a58b6a7928759c1dbe82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf15e2a668968f3767010f9ae6b07df31ec7e01a8981a58b6a7928759c1dbe82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf15e2a668968f3767010f9ae6b07df31ec7e01a8981a58b6a7928759c1dbe82", kill_on_drop: false }`
[INFO] [stdout] cf15e2a668968f3767010f9ae6b07df31ec7e01a8981a58b6a7928759c1dbe82
[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" "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:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+ea6ab1bd845790fb31ba790d2c7aec898f89fe62" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6fe0003e5af88a7ea15a0a80b1d6bfda5cf9d9634c3dace8c9bc675d24d57a70
[INFO] running `Command { std: "docker" "start" "-a" "6fe0003e5af88a7ea15a0a80b1d6bfda5cf9d9634c3dace8c9bc675d24d57a70", kill_on_drop: false }`
[INFO] [stderr]    Compiling arraydeque v0.4.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/array.rs:41:13
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn from(usize) -> Self;
[INFO] [stdout]    |             ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: usize`
[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/array.rs:41:13
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn from(usize) -> Self;
[INFO] [stdout]    |             ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: usize`
[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: 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 0.78s
[INFO] running `Command { std: "docker" "inspect" "6fe0003e5af88a7ea15a0a80b1d6bfda5cf9d9634c3dace8c9bc675d24d57a70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fe0003e5af88a7ea15a0a80b1d6bfda5cf9d9634c3dace8c9bc675d24d57a70", kill_on_drop: false }`
[INFO] [stdout] 6fe0003e5af88a7ea15a0a80b1d6bfda5cf9d9634c3dace8c9bc675d24d57a70