[INFO] fetching crate cotoxy 0.1.0...
[INFO] checking cotoxy-0.1.0 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate cotoxy 0.1.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate cotoxy 0.1.0 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cotoxy 0.1.0
[INFO] finished tweaking crates.io crate cotoxy 0.1.0
[INFO] tweaked toml for crates.io crate cotoxy 0.1.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bfde099ead3e0fb28a4a93674f4360f2e4d6463209e54badbbd065964e6f2b75
[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" "bfde099ead3e0fb28a4a93674f4360f2e4d6463209e54badbbd065964e6f2b75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bfde099ead3e0fb28a4a93674f4360f2e4d6463209e54badbbd065964e6f2b75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfde099ead3e0fb28a4a93674f4360f2e4d6463209e54badbbd065964e6f2b75", kill_on_drop: false }`
[INFO] [stdout] bfde099ead3e0fb28a4a93674f4360f2e4d6463209e54badbbd065964e6f2b75
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 48f270d3ce760be62de2db6031ec2ca713eb1aca4eacd4aa3d5acfc9a6fdf97d
[INFO] running `Command { std: "docker" "start" "-a" "48f270d3ce760be62de2db6031ec2ca713eb1aca4eacd4aa3d5acfc9a6fdf97d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling httparse v1.4.1
[INFO] [stderr]     Checking arc-swap v1.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]     Checking crossbeam v0.2.12
[INFO] [stderr]     Checking rle-decode-fast v1.0.1
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking nbchan v0.1.3
[INFO] [stderr]     Checking splay_tree v0.2.10
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking unicode-bidi v0.3.5
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking libflate v0.1.27
[INFO] [stderr]     Checking slog-scope v4.4.0
[INFO] [stderr]     Checking slog-stdlog v3.0.5
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking slog-async v2.6.0
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking handy_async v0.2.13
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking rmp v0.8.10
[INFO] [stderr]     Checking term v0.7.0
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking rmp-serde v0.13.7
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking fibers v0.1.13
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking slog-term v2.8.0
[INFO] [stderr]    Compiling trackable_derive v1.0.0
[INFO] [stderr]     Checking slog-kvfilter v0.6.1
[INFO] [stderr]     Checking trackable v1.2.0
[INFO] [stderr]     Checking trackable v0.2.24
[INFO] [stderr]     Checking serdeconv v0.3.0
[INFO] [stderr]     Checking miasht v0.0.5
[INFO] [stderr]     Checking sloggers v0.2.9
[INFO] [stderr]     Checking cotoxy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `derive_traits_for_trackable_error_newtype`: please use `#[derive(TrackableError)]` instead
[INFO] [stdout]  --> src/error.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | derive_traits_for_trackable_error_newtype!(Error, Failed);
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:38:27
[INFO] [stdout]    |
[INFO] [stdout] 38 | type AsyncResult<T> = Box<futures::Future<Item = T, Error = Error> + Send + 'static>;
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn futures::Future<Item = T, Error = Error> + Send + 'static`
[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: use of deprecated macro `derive_traits_for_trackable_error_newtype`: please use `#[derive(TrackableError)]` instead
[INFO] [stdout]  --> src/error.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | derive_traits_for_trackable_error_newtype!(Error, Failed);
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:38:27
[INFO] [stdout]    |
[INFO] [stdout] 38 | type AsyncResult<T> = Box<futures::Future<Item = T, Error = Error> + Send + 'static>;
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn futures::Future<Item = T, Error = Error> + Send + 'static`
[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: unnecessary `unsafe` block
[INFO] [stdout]   --> src/proxy_channel.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 84 |         unsafe {
[INFO] [stdout]    |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/proxy_channel.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 84 |         unsafe {
[INFO] [stdout]    |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 56.48s
[INFO] running `Command { std: "docker" "inspect" "48f270d3ce760be62de2db6031ec2ca713eb1aca4eacd4aa3d5acfc9a6fdf97d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48f270d3ce760be62de2db6031ec2ca713eb1aca4eacd4aa3d5acfc9a6fdf97d", kill_on_drop: false }`
[INFO] [stdout] 48f270d3ce760be62de2db6031ec2ca713eb1aca4eacd4aa3d5acfc9a6fdf97d