[INFO] fetching crate cotoxy 0.1.0...
[INFO] checking cotoxy-0.1.0 against beta-2021-10-15 for beta-1.56-3
[INFO] extracting crate cotoxy 0.1.0 into /workspace/builds/worker-88/source
[INFO] validating manifest of crates.io crate cotoxy 0.1.0 on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "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-88/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "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" "+beta-2021-10-15" "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-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 39fb414ceb85dbbf537e421493900e82b6255a6d601a84f0a8aa2ef1e44faee2
[INFO] running `Command { std: "docker" "start" "-a" "39fb414ceb85dbbf537e421493900e82b6255a6d601a84f0a8aa2ef1e44faee2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39fb414ceb85dbbf537e421493900e82b6255a6d601a84f0a8aa2ef1e44faee2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39fb414ceb85dbbf537e421493900e82b6255a6d601a84f0a8aa2ef1e44faee2", kill_on_drop: false }`
[INFO] [stdout] 39fb414ceb85dbbf537e421493900e82b6255a6d601a84f0a8aa2ef1e44faee2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a33cc74b522f3eee0207e03ba42243494dbc75282b55a4abc6196cb5df9d32a
[INFO] running `Command { std: "docker" "start" "-a" "6a33cc74b522f3eee0207e03ba42243494dbc75282b55a4abc6196cb5df9d32a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.30
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]     Checking arc-swap v1.4.0
[INFO] [stderr]    Compiling slog-async v2.7.0
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[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking tinyvec v1.5.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking thread_local v1.1.3
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[INFO] [stderr]     Checking libflate v0.1.27
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking slog-stdlog v3.0.5
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking term v0.7.0
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking rmp v0.8.10
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[INFO] [stderr]     Checking fibers v0.1.13
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[INFO] [stderr]     Checking slog-term v2.8.0
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking rmp-serde v0.13.7
[INFO] [stderr]    Compiling trackable_derive v1.0.0
[INFO] [stderr]     Checking trackable v1.2.0
[INFO] [stderr]     Checking trackable v0.2.24
[INFO] [stderr]     Checking miasht v0.0.5
[INFO] [stderr]     Checking serdeconv v0.3.0
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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: 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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.23s
[INFO] running `Command { std: "docker" "inspect" "6a33cc74b522f3eee0207e03ba42243494dbc75282b55a4abc6196cb5df9d32a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a33cc74b522f3eee0207e03ba42243494dbc75282b55a4abc6196cb5df9d32a", kill_on_drop: false }`
[INFO] [stdout] 6a33cc74b522f3eee0207e03ba42243494dbc75282b55a4abc6196cb5df9d32a
