[INFO] fetching crate tnetstring 0.2.0... [INFO] checking tnetstring-0.2.0 against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2 [INFO] extracting crate tnetstring 0.2.0 into /workspace/builds/worker-4-tc1/source [INFO] validating manifest of crates.io crate tnetstring 0.2.0 on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate tnetstring 0.2.0 [INFO] finished tweaking crates.io crate tnetstring 0.2.0 [INFO] tweaked toml for crates.io crate tnetstring 0.2.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 7 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded maplit v1.0.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5fd9b17f1daaaec2e0185dc112ad5f34fa09ccf0f780b91354a7ce8a4a059553 [INFO] running `Command { std: "docker" "start" "-a" "5fd9b17f1daaaec2e0185dc112ad5f34fa09ccf0f780b91354a7ce8a4a059553", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5fd9b17f1daaaec2e0185dc112ad5f34fa09ccf0f780b91354a7ce8a4a059553", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5fd9b17f1daaaec2e0185dc112ad5f34fa09ccf0f780b91354a7ce8a4a059553", kill_on_drop: false }` [INFO] [stdout] 5fd9b17f1daaaec2e0185dc112ad5f34fa09ccf0f780b91354a7ce8a4a059553 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] df543a8f709b70343154141d93fbcd7468ec3e1b34143acef3bb1f2ad84bb72e [INFO] running `Command { std: "docker" "start" "-a" "df543a8f709b70343154141d93fbcd7468ec3e1b34143acef3bb1f2ad84bb72e", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Checking maplit v1.0.2 [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Compiling serde_derive v1.0.210 [INFO] [stderr] Checking serde v1.0.210 [INFO] [stderr] Checking tnetstring v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/error.rs:50:48 [INFO] [stdout] | [INFO] [stdout] 50 | formatter.write_str(std::error::Error::description(self)) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/error.rs:50:48 [INFO] [stdout] | [INFO] [stdout] 50 | formatter.write_str(std::error::Error::description(self)) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0283]: type annotations needed [INFO] [stdout] --> src/ser.rs:49:18 [INFO] [stdout] | [INFO] [stdout] 49 | .map(|x| String::from(x.as_ref())) [INFO] [stdout] | ^^^^^^ cannot infer type for reference `&_` [INFO] [stdout] | [INFO] [stdout] = note: multiple `impl`s satisfying `std::string::String: From<&_>` found in the `alloc` crate: [INFO] [stdout] - impl From<&std::string::String> for std::string::String; [INFO] [stdout] - impl From<&str> for std::string::String; [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0283]: type annotations needed [INFO] [stdout] --> src/ser.rs:49:33 [INFO] [stdout] | [INFO] [stdout] 49 | .map(|x| String::from(x.as_ref())) [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: multiple `impl`s satisfying `std::string::String: AsRef<_>` found in the following crates: `alloc`, `std`: [INFO] [stdout] - impl AsRef for std::string::String; [INFO] [stdout] - impl AsRef for std::string::String; [INFO] [stdout] - impl AsRef<[u8]> for std::string::String; [INFO] [stdout] - impl AsRef for std::string::String; [INFO] [stdout] help: try using a fully qualified path to specify the expected types [INFO] [stdout] | [INFO] [stdout] 49 | .map(|x| String::from(>::as_ref(x))) [INFO] [stdout] | ++++++++++++++++++++++++++++++++++++++++++ ~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `error` [INFO] [stdout] --> src/error.rs:43:13 [INFO] [stdout] | [INFO] [stdout] 43 | fn from(error: std::string::FromUtf8Error) -> Self { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0283`. [INFO] [stdout] [INFO] [stderr] error: could not compile `tnetstring` (lib) due to 3 previous errors; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error[E0283]: type annotations needed [INFO] [stdout] --> src/ser.rs:49:18 [INFO] [stdout] | [INFO] [stdout] 49 | .map(|x| String::from(x.as_ref())) [INFO] [stdout] | ^^^^^^ cannot infer type for reference `&_` [INFO] [stdout] | [INFO] [stdout] = note: multiple `impl`s satisfying `std::string::String: From<&_>` found in the `alloc` crate: [INFO] [stdout] - impl From<&std::string::String> for std::string::String; [INFO] [stdout] - impl From<&str> for std::string::String; [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0283]: type annotations needed [INFO] [stdout] --> src/ser.rs:49:33 [INFO] [stdout] | [INFO] [stdout] 49 | .map(|x| String::from(x.as_ref())) [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: multiple `impl`s satisfying `std::string::String: AsRef<_>` found in the following crates: `alloc`, `std`: [INFO] [stdout] - impl AsRef for std::string::String; [INFO] [stdout] - impl AsRef for std::string::String; [INFO] [stdout] - impl AsRef<[u8]> for std::string::String; [INFO] [stdout] - impl AsRef for std::string::String; [INFO] [stdout] help: try using a fully qualified path to specify the expected types [INFO] [stdout] | [INFO] [stdout] 49 | .map(|x| String::from(>::as_ref(x))) [INFO] [stdout] | ++++++++++++++++++++++++++++++++++++++++++ ~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `error` [INFO] [stdout] --> src/error.rs:43:13 [INFO] [stdout] | [INFO] [stdout] 43 | fn from(error: std::string::FromUtf8Error) -> Self { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0283`. [INFO] [stdout] [INFO] [stderr] error: could not compile `tnetstring` (lib test) due to 3 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "df543a8f709b70343154141d93fbcd7468ec3e1b34143acef3bb1f2ad84bb72e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "df543a8f709b70343154141d93fbcd7468ec3e1b34143acef3bb1f2ad84bb72e", kill_on_drop: false }` [INFO] [stdout] df543a8f709b70343154141d93fbcd7468ec3e1b34143acef3bb1f2ad84bb72e