[INFO] fetching crate acril 0.1.0...
[INFO] checking acril-0.1.0 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate acril 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate acril 0.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate acril 0.1.0
[INFO] tweaked toml for crates.io crate acril 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate acril 0.1.0 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate acril 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8a16e444752d29d2d5eea019428e3185c553f1aeebae1e5aa3a9ea01f1530fac
[INFO] running `Command { std: "docker" "start" "-a" "8a16e444752d29d2d5eea019428e3185c553f1aeebae1e5aa3a9ea01f1530fac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a16e444752d29d2d5eea019428e3185c553f1aeebae1e5aa3a9ea01f1530fac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a16e444752d29d2d5eea019428e3185c553f1aeebae1e5aa3a9ea01f1530fac", kill_on_drop: false }`
[INFO] [stdout] 8a16e444752d29d2d5eea019428e3185c553f1aeebae1e5aa3a9ea01f1530fac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fbdbd3fbaa782ad7c82c5af9f9a966d353e70c0aa4dc59206ad44791d048b338
[INFO] running `Command { std: "docker" "start" "-a" "fbdbd3fbaa782ad7c82c5af9f9a966d353e70c0aa4dc59206ad44791d048b338", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.70
[INFO] [stderr]    Compiling futures-core v0.3.29
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]    Compiling futures-task v0.3.29
[INFO] [stderr]    Compiling futures-channel v0.3.29
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling futures-util v0.3.29
[INFO] [stderr]     Checking futures-sink v0.3.29
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking futures-io v0.3.29
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking smallvec v1.11.2
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.40
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking matchers v0.1.0
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]    Compiling futures-macro v0.3.29
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling pin-project-internal v1.1.3
[INFO] [stderr]     Checking pin-project v1.1.3
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]     Checking futures-executor v0.3.29
[INFO] [stderr]     Checking futures v0.3.29
[INFO] [stderr]     Checking acril v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `associated_type_bounds` has been stable since 1.79.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(associated_type_bounds, return_type_notation)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `associated_type_bounds` has been stable since 1.79.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(associated_type_bounds, return_type_notation)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `async_std`
[INFO] [stdout]  --> examples/server.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use async_std::net::TcpListener;
[INFO] [stdout]   |     ^^^^^^^^^ use of unresolved module or unlinked crate `async_std`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `async_std`, use `cargo add async_std` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `acril::prelude::http`
[INFO] [stdout]  --> examples/server.rs:4:21
[INFO] [stdout]   |
[INFO] [stdout] 4 | use acril::prelude::http::*;
[INFO] [stdout]   |                     ^^^^ could not find `http` in `prelude`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `async_std`
[INFO] [stdout]   --> examples/server.rs:62:3
[INFO] [stdout]    |
[INFO] [stdout] 62 | #[async_std::main]
[INFO] [stdout]    |   ^^^^^^^^^ use of unresolved module or unlinked crate `async_std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `str::FromStr`
[INFO] [stdout]  --> examples/server.rs:2:25
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{error::Error, str::FromStr};
[INFO] [stdout]   |                         ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `async_fn_in_trait` has been stable since 1.75.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> examples/server.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(async_fn_in_trait)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `acril` (example "server") due to 3 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "fbdbd3fbaa782ad7c82c5af9f9a966d353e70c0aa4dc59206ad44791d048b338", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbdbd3fbaa782ad7c82c5af9f9a966d353e70c0aa4dc59206ad44791d048b338", kill_on_drop: false }`
[INFO] [stdout] fbdbd3fbaa782ad7c82c5af9f9a966d353e70c0aa4dc59206ad44791d048b338