[INFO] fetching crate owned_chars 0.3.2...
[INFO] checking owned_chars-0.3.2 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate owned_chars 0.3.2 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate owned_chars 0.3.2
[INFO] finished tweaking crates.io crate owned_chars 0.3.2
[INFO] tweaked toml for crates.io crate owned_chars 0.3.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate owned_chars 0.3.2 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 5 packages to latest compatible versions
[INFO] [stderr]       Adding delegate-attr v0.2.9 (available: v0.3.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c555055f37bb0951fd40ed207483174c77a9ed01d4bea25794f69025c032c335
[INFO] running `Command { std: "docker" "start" "-a" "c555055f37bb0951fd40ed207483174c77a9ed01d4bea25794f69025c032c335", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c555055f37bb0951fd40ed207483174c77a9ed01d4bea25794f69025c032c335", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c555055f37bb0951fd40ed207483174c77a9ed01d4bea25794f69025c032c335", kill_on_drop: false }`
[INFO] [stdout] c555055f37bb0951fd40ed207483174c77a9ed01d4bea25794f69025c032c335
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb36555dcf88ad4d028ce94bed0f9ccb04460b88a94f8fe7c97a0aa6a6b65a3a
[INFO] running `Command { std: "docker" "start" "-a" "cb36555dcf88ad4d028ce94bed0f9ccb04460b88a94f8fe7c97a0aa6a6b65a3a", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling delegate-attr v0.2.9
[INFO] [stderr]     Checking owned_chars v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/lib.rs:110:18
[INFO] [stdout]     |
[INFO] [stdout] 110 |                s.into_chars().collect::<Vec<_>>());
[INFO] [stdout]     |                  ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `OwnedCharsExt::into_chars(...)` to keep using the current method
[INFO] [stdout]     = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stdout] help: add `#![feature(string_into_chars)]` to the crate attributes to enable `String::into_chars`
[INFO] [stdout]     |
[INFO] [stdout]  10 + #![feature(string_into_chars)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/lib.rs:116:37
[INFO] [stdout]     |
[INFO] [stdout] 116 |     assert_eq!(Some('é'), s.clone().into_chars().skip(1).next());
[INFO] [stdout]     |                                     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `OwnedCharsExt::into_chars(...)` to keep using the current method
[INFO] [stdout] help: add `#![feature(string_into_chars)]` to the crate attributes to enable `String::into_chars`
[INFO] [stdout]     |
[INFO] [stdout]  10 + #![feature(string_into_chars)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/lib.rs:117:37
[INFO] [stdout]     |
[INFO] [stdout] 117 |     assert_eq!(Some('l'), s.clone().into_chars().skip(2).next());
[INFO] [stdout]     |                                     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `OwnedCharsExt::into_chars(...)` to keep using the current method
[INFO] [stdout] help: add `#![feature(string_into_chars)]` to the crate attributes to enable `String::into_chars`
[INFO] [stdout]     |
[INFO] [stdout]  10 + #![feature(string_into_chars)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/lib.rs:130:24
[INFO] [stdout]     |
[INFO] [stdout] 130 |     let oc = s.clone().into_chars();
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `OwnedCharsExt::into_chars(...)` to keep using the current method
[INFO] [stdout] help: add `#![feature(string_into_chars)]` to the crate attributes to enable `String::into_chars`
[INFO] [stdout]     |
[INFO] [stdout]  10 + #![feature(string_into_chars)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.01s
[INFO] running `Command { std: "docker" "inspect" "cb36555dcf88ad4d028ce94bed0f9ccb04460b88a94f8fe7c97a0aa6a6b65a3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb36555dcf88ad4d028ce94bed0f9ccb04460b88a94f8fe7c97a0aa6a6b65a3a", kill_on_drop: false }`
[INFO] [stdout] cb36555dcf88ad4d028ce94bed0f9ccb04460b88a94f8fe7c97a0aa6a6b65a3a