[INFO] fetching crate task 0.0.1...
[INFO] checking task-0.0.1 against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] extracting crate task 0.0.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate task 0.0.1 on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate task 0.0.1
[INFO] finished tweaking crates.io crate task 0.0.1
[INFO] tweaked toml for crates.io crate task 0.0.1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a9e307bbfdb49c7e3aaa8c2d3a3bbe4ede9d99e4f3fbd1af7b980809c4854a72
[INFO] running `Command { std: "docker" "start" "-a" "a9e307bbfdb49c7e3aaa8c2d3a3bbe4ede9d99e4f3fbd1af7b980809c4854a72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9e307bbfdb49c7e3aaa8c2d3a3bbe4ede9d99e4f3fbd1af7b980809c4854a72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9e307bbfdb49c7e3aaa8c2d3a3bbe4ede9d99e4f3fbd1af7b980809c4854a72", kill_on_drop: false }`
[INFO] [stdout] a9e307bbfdb49c7e3aaa8c2d3a3bbe4ede9d99e4f3fbd1af7b980809c4854a72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d28ce6ea80322f93df78a8d220e4daa02a8884c858b3652d753abe2dd571f4d4
[INFO] running `Command { std: "docker" "start" "-a" "d28ce6ea80322f93df78a8d220e4daa02a8884c858b3652d753abe2dd571f4d4", kill_on_drop: false }`
[INFO] [stderr]     Checking ucd-util v0.1.8
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]     Checking crontab v0.1.0
[INFO] [stderr]     Checking task v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/task.rs:12:19
[INFO] [stdout]    |
[INFO] [stdout] 12 |   pub handle: Box<FnMut() + Send + Sync>, // TODO: Drop 'Sync' ?
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut() + Send + Sync`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/task.rs:12:19
[INFO] [stdout]    |
[INFO] [stdout] 12 |   pub handle: Box<FnMut() + Send + Sync>, // TODO: Drop 'Sync' ?
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut() + Send + Sync`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 6.13s
[INFO] running `Command { std: "docker" "inspect" "d28ce6ea80322f93df78a8d220e4daa02a8884c858b3652d753abe2dd571f4d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d28ce6ea80322f93df78a8d220e4daa02a8884c858b3652d753abe2dd571f4d4", kill_on_drop: false }`
[INFO] [stdout] d28ce6ea80322f93df78a8d220e4daa02a8884c858b3652d753abe2dd571f4d4