[INFO] fetching crate riker-log 0.2.4...
[INFO] testing riker-log-0.2.4 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate riker-log 0.2.4 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate riker-log 0.2.4
[INFO] finished tweaking crates.io crate riker-log 0.2.4
[INFO] tweaked toml for crates.io crate riker-log 0.2.4 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate riker-log 0.2.4 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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" "+beta-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 88 packages to latest compatible versions
[INFO] [stderr]       Adding config v0.9.3 (available: v0.15.18)
[INFO] [stderr]       Adding riker v0.2.4 (available: v0.4.2)
[INFO] [stderr]       Adding runtime-fmt v0.3.0 (available: v0.4.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 78d2ba836f432173cf968abb47c31f8f9dc6c4e1c58048959b5c2e8e95ec85fa
[INFO] running `Command { std: "docker" "start" "-a" "78d2ba836f432173cf968abb47c31f8f9dc6c4e1c58048959b5c2e8e95ec85fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "78d2ba836f432173cf968abb47c31f8f9dc6c4e1c58048959b5c2e8e95ec85fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78d2ba836f432173cf968abb47c31f8f9dc6c4e1c58048959b5c2e8e95ec85fa", kill_on_drop: false }`
[INFO] [stdout] 78d2ba836f432173cf968abb47c31f8f9dc6c4e1c58048959b5c2e8e95ec85fa
[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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 47f77a66f4b2bd803f48e99d053a6d46a56f7bbc6a0eab43860bbd7da35e878d
[INFO] running `Command { std: "docker" "start" "-a" "47f77a66f4b2bd803f48e99d053a6d46a56f7bbc6a0eab43860bbd7da35e878d", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling futures-sink-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling serde v0.8.23
[INFO] [stderr]    Compiling futures-io-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling linked-hash-map v0.5.6
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling ucd-util v0.1.10
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling rust-ini v0.13.0
[INFO] [stderr]    Compiling utf8-ranges v1.0.5
[INFO] [stderr]    Compiling runtime-fmt v0.3.0
[INFO] [stderr]    Compiling futures-channel-preview v0.3.0-alpha.19
[INFO] [stdout] error[E0432]: unresolved import `std::fmt::ArgumentV1`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/runtime-fmt-0.3.0/src/lib.rs:39:33
[INFO] [stdout]    |
[INFO] [stdout] 39 | use std::fmt::{self, Arguments, ArgumentV1};
[INFO] [stdout]    |                                 ^^^^^^^^^^
[INFO] [stdout]    |                                 |
[INFO] [stdout]    |                                 no `ArgumentV1` in `fmt`
[INFO] [stdout]    |                                 help: a similar name exists in the module: `Arguments`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::fmt::rt`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/runtime-fmt-0.3.0/src/lib.rs:40:15
[INFO] [stdout]    |
[INFO] [stdout] 40 | use std::fmt::rt::v1;
[INFO] [stdout]    |               ^^ could not find `rt` in `fmt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stdout] error[E0433]: failed to resolve: could not find `ArgumentV1` in `fmt`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/runtime-fmt-0.3.0/src/erase.rs:54:48
[INFO] [stdout]    |
[INFO] [stdout] 54 |                               Some(f) => Ok(fmt::ArgumentV1::new(self, f)),
[INFO] [stdout]    |                                                  ^^^^^^^^^^
[INFO] [stdout]    |                                                  |
[INFO] [stdout]    |                                                  could not find `ArgumentV1` in `fmt`
[INFO] [stdout]    |                                                  help: a struct with a similar name exists: `Arguments`
[INFO] [stdout] ...
[INFO] [stdout] 85 | / traits! {
[INFO] [stdout] 86 | |     "", Display, display;
[INFO] [stdout] 87 | |     "?", Debug, debug;
[INFO] [stdout] 88 | |     "e", LowerExp, lower_exp;
[INFO] [stdout] ...  |
[INFO] [stdout] 94 | |     "X", UpperHex, upper_hex;
[INFO] [stdout] 95 | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `traits` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `ArgumentV1` in module `fmt`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/runtime-fmt-0.3.0/src/erase.rs:42:77
[INFO] [stdout]    |
[INFO] [stdout] 42 |               fn by_name<'n>(&self, name: &'n str, idx: usize) -> Result<fmt::ArgumentV1, Error<'n>>;
[INFO] [stdout]    |                                                                               ^^^^^^^^^^ help: a struct with a similar name exists: `Arguments`
[INFO] [stdout] ...
[INFO] [stdout] 85 | / traits! {
[INFO] [stdout] 86 | |     "", Display, display;
[INFO] [stdout] 87 | |     "?", Debug, debug;
[INFO] [stdout] 88 | |     "e", LowerExp, lower_exp;
[INFO] [stdout] ...  |
[INFO] [stdout] 94 | |     "X", UpperHex, upper_hex;
[INFO] [stdout] 95 | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]   --> /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/fmt/mod.rs:618:1
[INFO] [stdout]    |
[INFO] [stdout]    = note: similarly named struct `Arguments` defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `traits` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `ArgumentV1` in module `fmt`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/runtime-fmt-0.3.0/src/erase.rs:50:77
[INFO] [stdout]    |
[INFO] [stdout] 50 |               fn by_name<'n>(&self, name: &'n str, idx: usize) -> Result<fmt::ArgumentV1, Error<'n>> {
[INFO] [stdout]    |                                                                               ^^^^^^^^^^ help: a struct with a similar name exists: `Arguments`
[INFO] [stdout] ...
[INFO] [stdout] 85 | / traits! {
[INFO] [stdout] 86 | |     "", Display, display;
[INFO] [stdout] 87 | |     "?", Debug, debug;
[INFO] [stdout] 88 | |     "e", LowerExp, lower_exp;
[INFO] [stdout] ...  |
[INFO] [stdout] 94 | |     "X", UpperHex, upper_hex;
[INFO] [stdout] 95 | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]   --> /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/fmt/mod.rs:618:1
[INFO] [stdout]    |
[INFO] [stdout]    = note: similarly named struct `Arguments` defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `traits` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/runtime-fmt-0.3.0/src/lib.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | #![feature(fmt_internals)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/runtime-fmt-0.3.0/src/lib.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | #![feature(conservative_impl_trait)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]    |
[INFO] [stdout]    = help: the feature `conservative_impl_trait` has been stable since `1.26.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/runtime-fmt-0.3.0/src/lib.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | #![feature(specialization)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/runtime-fmt-0.3.0/src/lib.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | #![feature(print_internals)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/runtime-fmt-0.3.0/src/lib.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | #![feature(rustc_private)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/runtime-fmt-0.3.0/src/lib.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | #![feature(try_from)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stdout] error[E0599]: no method named `is_xid_start` found for type `char` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/runtime-fmt-0.3.0/src/fmt_macros.rs:422:34
[INFO] [stdout]     |
[INFO] [stdout] 422 |             Some(&(pos, c)) if c.is_xid_start() => {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^ method not found in `char`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_xid_continue` found for type `char` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/runtime-fmt-0.3.0/src/fmt_macros.rs:431:18
[INFO] [stdout]     |
[INFO] [stdout] 431 |             if c.is_xid_continue() {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^ method not found in `char`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/runtime-fmt-0.3.0/src/lib.rs:202:39
[INFO] [stdout]     |
[INFO] [stdout] 202 |             None => Arguments::new_v1(&pieces, &args),
[INFO] [stdout]     |                     ----------------- ^^^^^^^ expected `&[&str; _]`, found `&Vec<&str>`
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     arguments to this function are incorrect
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected reference `&[&'static str; _]`
[INFO] [stdout]                found reference `&Vec<&str>`
[INFO] [stdout] note: associated function defined here
[INFO] [stdout]    --> /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/fmt/rt.rs:209:12
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/runtime-fmt-0.3.0/src/lib.rs:269:39
[INFO] [stdout]     |
[INFO] [stdout] 269 |             None => Arguments::new_v1(&pieces, &self.inner.args),
[INFO] [stdout]     |                     ----------------- ^^^^^^^ expected `&[&str; _]`, found `&Vec<&str>`
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     arguments to this function are incorrect
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected reference `&[&'static str; _]`
[INFO] [stdout]                found reference `&Vec<&str>`
[INFO] [stdout] note: associated function defined here
[INFO] [stdout]    --> /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/fmt/rt.rs:209:12
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/runtime-fmt-0.3.0/src/lib.rs:392:62
[INFO] [stdout]     |
[INFO] [stdout] 392 |         let len = self.fmt.as_ref().map_or(self.args.len(), |fmt| fmt.len());
[INFO] [stdout]     |                                                              ^^^  --- type must be known at this point
[INFO] [stdout]     |
[INFO] [stdout] help: consider giving this closure parameter an explicit type
[INFO] [stdout]     |
[INFO] [stdout] 392 |         let len = self.fmt.as_ref().map_or(self.args.len(), |fmt: /* Type */| fmt.len());
[INFO] [stdout]     |                                                                 ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/runtime-fmt-0.3.0/src/lib.rs:543:21
[INFO] [stdout]     |
[INFO] [stdout] 543 |                     fmt.push(v1::Argument {
[INFO] [stdout]     |                     ^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0308, E0412, E0432, E0433, E0554, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `runtime-fmt` (lib) due to 17 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "47f77a66f4b2bd803f48e99d053a6d46a56f7bbc6a0eab43860bbd7da35e878d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47f77a66f4b2bd803f48e99d053a6d46a56f7bbc6a0eab43860bbd7da35e878d", kill_on_drop: false }`
[INFO] [stdout] 47f77a66f4b2bd803f48e99d053a6d46a56f7bbc6a0eab43860bbd7da35e878d
