[INFO] fetching crate generic-async-http-client 0.4.0...
[INFO] checking generic-async-http-client-0.4.0 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate generic-async-http-client 0.4.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate generic-async-http-client 0.4.0 on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate generic-async-http-client 0.4.0
[INFO] finished tweaking crates.io crate generic-async-http-client 0.4.0
[INFO] tweaked toml for crates.io crate generic-async-http-client 0.4.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cookie_store v0.20.0
[INFO] [stderr]   Downloaded async-h1 v2.3.4
[INFO] [stderr]   Downloaded async-dup v1.2.4
[INFO] [stderr]   Downloaded futures-rustls v0.24.0
[INFO] [stderr]   Downloaded async-native-tls v0.5.0
[INFO] [stderr]   Downloaded cookie v0.17.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e3d63303eaa844015934131a68f5d85bd9007ed98cf1820263d86d75773d4c5c
[INFO] running `Command { std: "docker" "start" "-a" "e3d63303eaa844015934131a68f5d85bd9007ed98cf1820263d86d75773d4c5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3d63303eaa844015934131a68f5d85bd9007ed98cf1820263d86d75773d4c5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3d63303eaa844015934131a68f5d85bd9007ed98cf1820263d86d75773d4c5c", kill_on_drop: false }`
[INFO] [stdout] e3d63303eaa844015934131a68f5d85bd9007ed98cf1820263d86d75773d4c5c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b699b4217753d39991e2fa929056f3b6254cef21e67895d1c15937cb3b7546e
[INFO] running `Command { std: "docker" "start" "-a" "4b699b4217753d39991e2fa929056f3b6254cef21e67895d1c15937cb3b7546e", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Checking async-std v1.12.0
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking generic-async-http-client v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/dummy/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::convert::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/header.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::convert::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryInto` is imported redundantly
[INFO] [stdout]  --> src/session.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryInto` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryInto` is imported redundantly
[INFO] [stdout]  --> src/request.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryInto` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryInto` is imported redundantly
[INFO] [stdout]  --> src/response.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryInto` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `TcpStream` in this scope
[INFO] [stdout]   --> src/lib.rs:89:52
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub(crate) async fn assert_stream(stream: &mut TcpStream, should_be: &[u8]) -> std::io::Result<()> {
[INFO] [stdout]    |                                                    ^^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 107+     use async_std::net::TcpStream;
[INFO] [stdout]    |
[INFO] [stdout] 107+     use std::net::TcpStream;
[INFO] [stdout]    |
[INFO] [stdout] 107+     use tokio::net::TcpStream;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `TcpListener` in this scope
[INFO] [stdout]    --> src/lib.rs:101:55
[INFO] [stdout]     |
[INFO] [stdout] 101 |     pub(crate) async fn listen_somewhere() -> Result<(TcpListener, u16, String), std::io::Error> {
[INFO] [stdout]     |                                                       ^^^^^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 107 +     use async_std::net::TcpListener;
[INFO] [stdout]     |
[INFO] [stdout] 107 +     use std::net::TcpListener;
[INFO] [stdout]     |
[INFO] [stdout] 107 +     use tokio::net::TcpListener;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `TcpListener`
[INFO] [stdout]    --> src/lib.rs:102:24
[INFO] [stdout]     |
[INFO] [stdout] 102 |         let listener = TcpListener::bind("127.0.0.1:0").await?;
[INFO] [stdout]     |                        ^^^^^^^^^^^ use of undeclared type `TcpListener`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 107 +     use async_std::net::TcpListener;
[INFO] [stdout]     |
[INFO] [stdout] 107 +     use std::net::TcpListener;
[INFO] [stdout]     |
[INFO] [stdout] 107 +     use tokio::net::TcpListener;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `TcpListener` in this scope
[INFO] [stdout]    --> src/lib.rs:110:35
[INFO] [stdout]     |
[INFO] [stdout] 110 |         async fn server(listener: TcpListener, host: String, port: u16) -> std::io::Result<bool> {
[INFO] [stdout]     |                                   ^^^^^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 107 +     use async_std::net::TcpListener;
[INFO] [stdout]     |
[INFO] [stdout] 107 +     use std::net::TcpListener;
[INFO] [stdout]     |
[INFO] [stdout] 107 +     use tokio::net::TcpListener;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `block_on` in this scope
[INFO] [stdout]    --> src/lib.rs:133:9
[INFO] [stdout]     |
[INFO] [stdout] 133 |         block_on(async {
[INFO] [stdout]     |         ^^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 107 +     use async_std::task::block_on;
[INFO] [stdout]     |
[INFO] [stdout] 107 +     use futures::executor::block_on;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `spawn` in this scope
[INFO] [stdout]    --> src/lib.rs:136:21
[INFO] [stdout]     |
[INFO] [stdout] 136 |             let t = spawn(server(listener,host,port));
[INFO] [stdout]     |                     ^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 107 +     use async_std::task::spawn;
[INFO] [stdout]     |
[INFO] [stdout] 107 +     use std::thread::spawn;
[INFO] [stdout]     |
[INFO] [stdout] 107 +     use tokio::spawn;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `TcpListener` in this scope
[INFO] [stdout]    --> src/lib.rs:149:35
[INFO] [stdout]     |
[INFO] [stdout] 149 |         async fn server(listener: TcpListener, host: String, port: u16) -> std::io::Result<bool> {
[INFO] [stdout]     |                                   ^^^^^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 107 +     use async_std::net::TcpListener;
[INFO] [stdout]     |
[INFO] [stdout] 107 +     use std::net::TcpListener;
[INFO] [stdout]     |
[INFO] [stdout] 107 +     use tokio::net::TcpListener;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `block_on` in this scope
[INFO] [stdout]    --> src/lib.rs:169:9
[INFO] [stdout]     |
[INFO] [stdout] 169 |         block_on(async {
[INFO] [stdout]     |         ^^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 107 +     use async_std::task::block_on;
[INFO] [stdout]     |
[INFO] [stdout] 107 +     use futures::executor::block_on;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `spawn` in this scope
[INFO] [stdout]    --> src/lib.rs:172:26
[INFO] [stdout]     |
[INFO] [stdout] 172 |             let server = spawn(server(listener,host,port));
[INFO] [stdout]     |                          ^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 107 +     use async_std::task::spawn;
[INFO] [stdout]     |
[INFO] [stdout] 107 +     use std::thread::spawn;
[INFO] [stdout]     |
[INFO] [stdout] 107 +     use tokio::spawn;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/dummy/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::convert::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/header.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::convert::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryInto` is imported redundantly
[INFO] [stdout]  --> src/session.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryInto` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryInto` is imported redundantly
[INFO] [stdout]  --> src/request.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryInto` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryInto` is imported redundantly
[INFO] [stdout]  --> src/response.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryInto` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/dummy/mod.rs:10:17
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Body(Vec<u8>);
[INFO] [stdout]    |            ---- ^^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Body(());
[INFO] [stdout]    |                 ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/dummy/mod.rs:14:24
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct HeaderValue(Vec<u8>);
[INFO] [stdout]    |            ----------- ^^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = note: `HeaderValue` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct HeaderValue(());
[INFO] [stdout]    |                        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 9 previous errors; 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0425, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `generic-async-http-client` (lib test) due to 10 previous errors; 5 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "4b699b4217753d39991e2fa929056f3b6254cef21e67895d1c15937cb3b7546e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b699b4217753d39991e2fa929056f3b6254cef21e67895d1c15937cb3b7546e", kill_on_drop: false }`
[INFO] [stdout] 4b699b4217753d39991e2fa929056f3b6254cef21e67895d1c15937cb3b7546e
[INFO] checking generic-async-http-client-0.4.0 against try#72eda894eb3548c7ba774079ce0afab42958d4ee for pr-121848-1
[INFO] extracting crate generic-async-http-client 0.4.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate generic-async-http-client 0.4.0 on toolchain 72eda894eb3548c7ba774079ce0afab42958d4ee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate generic-async-http-client 0.4.0
[INFO] finished tweaking crates.io crate generic-async-http-client 0.4.0
[INFO] tweaked toml for crates.io crate generic-async-http-client 0.4.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d174ecbffbf3729eead8515df0d0905cc3139266c9a6920dc8a7d78e66e83698
[INFO] running `Command { std: "docker" "start" "-a" "d174ecbffbf3729eead8515df0d0905cc3139266c9a6920dc8a7d78e66e83698", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d174ecbffbf3729eead8515df0d0905cc3139266c9a6920dc8a7d78e66e83698", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d174ecbffbf3729eead8515df0d0905cc3139266c9a6920dc8a7d78e66e83698", kill_on_drop: false }`
[INFO] [stdout] d174ecbffbf3729eead8515df0d0905cc3139266c9a6920dc8a7d78e66e83698
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f49203f9c7182bcf2b69fe24a848bd2ea5f3e69207db0cf263bca6951fa045cc
[INFO] running `Command { std: "docker" "start" "-a" "f49203f9c7182bcf2b69fe24a848bd2ea5f3e69207db0cf263bca6951fa045cc", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking async-std v1.12.0
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking generic-async-http-client v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/dummy/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::convert::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/72eda894eb3548c7ba774079ce0afab42958d4ee/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/header.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::convert::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/72eda894eb3548c7ba774079ce0afab42958d4ee/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryInto` is imported redundantly
[INFO] [stdout]  --> src/session.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/72eda894eb3548c7ba774079ce0afab42958d4ee/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryInto` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryInto` is imported redundantly
[INFO] [stdout]  --> src/request.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/72eda894eb3548c7ba774079ce0afab42958d4ee/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryInto` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryInto` is imported redundantly
[INFO] [stdout]  --> src/response.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/72eda894eb3548c7ba774079ce0afab42958d4ee/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryInto` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `TcpStream` in this scope
[INFO] [stdout]   --> src/lib.rs:89:52
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub(crate) async fn assert_stream(stream: &mut TcpStream, should_be: &[u8]) -> std::io::Result<()> {
[INFO] [stdout]    |                                                    ^^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 107+     use async_std::net::TcpStream;
[INFO] [stdout]    |
[INFO] [stdout] 107+     use std::net::TcpStream;
[INFO] [stdout]    |
[INFO] [stdout] 107+     use tokio::net::TcpStream;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `TcpListener` in this scope
[INFO] [stdout]    --> src/lib.rs:101:55
[INFO] [stdout]     |
[INFO] [stdout] 101 |     pub(crate) async fn listen_somewhere() -> Result<(TcpListener, u16, String), std::io::Error> {
[INFO] [stdout]     |                                                       ^^^^^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 107 +     use async_std::net::TcpListener;
[INFO] [stdout]     |
[INFO] [stdout] 107 +     use std::net::TcpListener;
[INFO] [stdout]     |
[INFO] [stdout] 107 +     use tokio::net::TcpListener;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `TcpListener`
[INFO] [stdout]    --> src/lib.rs:102:24
[INFO] [stdout]     |
[INFO] [stdout] 102 |         let listener = TcpListener::bind("127.0.0.1:0").await?;
[INFO] [stdout]     |                        ^^^^^^^^^^^ use of undeclared type `TcpListener`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 107 +     use async_std::net::TcpListener;
[INFO] [stdout]     |
[INFO] [stdout] 107 +     use std::net::TcpListener;
[INFO] [stdout]     |
[INFO] [stdout] 107 +     use tokio::net::TcpListener;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `TcpListener` in this scope
[INFO] [stdout]    --> src/lib.rs:110:35
[INFO] [stdout]     |
[INFO] [stdout] 110 |         async fn server(listener: TcpListener, host: String, port: u16) -> std::io::Result<bool> {
[INFO] [stdout]     |                                   ^^^^^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 107 +     use async_std::net::TcpListener;
[INFO] [stdout]     |
[INFO] [stdout] 107 +     use std::net::TcpListener;
[INFO] [stdout]     |
[INFO] [stdout] 107 +     use tokio::net::TcpListener;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `block_on` in this scope
[INFO] [stdout]    --> src/lib.rs:133:9
[INFO] [stdout]     |
[INFO] [stdout] 133 |         block_on(async {
[INFO] [stdout]     |         ^^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 107 +     use async_std::task::block_on;
[INFO] [stdout]     |
[INFO] [stdout] 107 +     use futures::executor::block_on;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `spawn` in this scope
[INFO] [stdout]    --> src/lib.rs:136:21
[INFO] [stdout]     |
[INFO] [stdout] 136 |             let t = spawn(server(listener,host,port));
[INFO] [stdout]     |                     ^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 107 +     use async_std::task::spawn;
[INFO] [stdout]     |
[INFO] [stdout] 107 +     use std::thread::spawn;
[INFO] [stdout]     |
[INFO] [stdout] 107 +     use tokio::spawn;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `TcpListener` in this scope
[INFO] [stdout]    --> src/lib.rs:149:35
[INFO] [stdout]     |
[INFO] [stdout] 149 |         async fn server(listener: TcpListener, host: String, port: u16) -> std::io::Result<bool> {
[INFO] [stdout]     |                                   ^^^^^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 107 +     use async_std::net::TcpListener;
[INFO] [stdout]     |
[INFO] [stdout] 107 +     use std::net::TcpListener;
[INFO] [stdout]     |
[INFO] [stdout] 107 +     use tokio::net::TcpListener;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `block_on` in this scope
[INFO] [stdout]    --> src/lib.rs:169:9
[INFO] [stdout]     |
[INFO] [stdout] 169 |         block_on(async {
[INFO] [stdout]     |         ^^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 107 +     use async_std::task::block_on;
[INFO] [stdout]     |
[INFO] [stdout] 107 +     use futures::executor::block_on;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `spawn` in this scope
[INFO] [stdout]    --> src/lib.rs:172:26
[INFO] [stdout]     |
[INFO] [stdout] 172 |             let server = spawn(server(listener,host,port));
[INFO] [stdout]     |                          ^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 107 +     use async_std::task::spawn;
[INFO] [stdout]     |
[INFO] [stdout] 107 +     use std::thread::spawn;
[INFO] [stdout]     |
[INFO] [stdout] 107 +     use tokio::spawn;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/dummy/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::convert::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/72eda894eb3548c7ba774079ce0afab42958d4ee/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/header.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::convert::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/72eda894eb3548c7ba774079ce0afab42958d4ee/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryInto` is imported redundantly
[INFO] [stdout]  --> src/session.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/72eda894eb3548c7ba774079ce0afab42958d4ee/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryInto` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryInto` is imported redundantly
[INFO] [stdout]  --> src/request.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/72eda894eb3548c7ba774079ce0afab42958d4ee/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryInto` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryInto` is imported redundantly
[INFO] [stdout]  --> src/response.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/72eda894eb3548c7ba774079ce0afab42958d4ee/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryInto` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/dummy/mod.rs:10:17
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Body(Vec<u8>);
[INFO] [stdout]    |            ---- ^^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Body(());
[INFO] [stdout]    |                 ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/dummy/mod.rs:14:24
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct HeaderValue(Vec<u8>);
[INFO] [stdout]    |            ----------- ^^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = note: `HeaderValue` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct HeaderValue(());
[INFO] [stdout]    |                        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 9 previous errors; 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0425, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `generic-async-http-client` (lib test) due to 10 previous errors; 5 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "f49203f9c7182bcf2b69fe24a848bd2ea5f3e69207db0cf263bca6951fa045cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f49203f9c7182bcf2b69fe24a848bd2ea5f3e69207db0cf263bca6951fa045cc", kill_on_drop: false }`
[INFO] [stdout] f49203f9c7182bcf2b69fe24a848bd2ea5f3e69207db0cf263bca6951fa045cc
