[INFO] cloning repository https://github.com/samphippen/rexchange [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/samphippen/rexchange" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamphippen%2Frexchange", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamphippen%2Frexchange'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3dfbf9b362efbe38439661a3cd907e57112b94e9 [INFO] checking samphippen/rexchange against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamphippen%2Frexchange" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/samphippen/rexchange [INFO] finished tweaking git repo https://github.com/samphippen/rexchange [INFO] tweaked toml for git repo https://github.com/samphippen/rexchange written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/samphippen/rexchange on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/samphippen/rexchange 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded libc v0.1.3 [INFO] [stderr] Downloaded log v0.2.5 [INFO] [stderr] Downloaded rand v0.1.4 [INFO] [stderr] Downloaded rustc-serialize v0.3.6 [INFO] [stderr] Downloaded uuid v0.1.11 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f73aa0664dcd1d58249639cf489ddf97e72aed78734f21a0ddb614424716f05c [INFO] running `Command { std: "docker" "start" "-a" "f73aa0664dcd1d58249639cf489ddf97e72aed78734f21a0ddb614424716f05c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f73aa0664dcd1d58249639cf489ddf97e72aed78734f21a0ddb614424716f05c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f73aa0664dcd1d58249639cf489ddf97e72aed78734f21a0ddb614424716f05c", kill_on_drop: false }` [INFO] [stdout] f73aa0664dcd1d58249639cf489ddf97e72aed78734f21a0ddb614424716f05c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bbc11f48dd914617ce98df2d6f0a851d6b02186116a7326664b1f4e8041e96ae [INFO] running `Command { std: "docker" "start" "-a" "bbc11f48dd914617ce98df2d6f0a851d6b02186116a7326664b1f4e8041e96ae", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Checking log v0.2.5 [INFO] [stderr] Checking libc v0.1.3 [INFO] [stderr] Checking rustc-serialize v0.3.6 [INFO] [stderr] error: could not compile `libc` (lib) due to 1 previous error [INFO] [stdout] error: expected identifier, found `"std"` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/libc-0.1.3/rust/src/liblibc/lib.rs:79:46 [INFO] [stdout] | [INFO] [stdout] 79 | #[cfg(feature = "cargo-build")] extern crate "std" as core; [INFO] [stdout] | ^^^^^ expected identifier [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error[E0425]: cannot find function `at_exit` in module `rt` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/log-0.2.5/src/lib.rs:535:9 [INFO] [stdout] | [INFO] [stdout] 535 | rt::at_exit(|| { [INFO] [stdout] | ^^^^^^^ not found in `rt` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature `rt`: this public module should not exist and is highly likely to disappear [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/log-0.2.5/src/lib.rs:153:5 [INFO] [stdout] | [INFO] [stdout] 153 | use std::rt; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: add `#![feature(rt)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-08-13; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0635]: unknown feature `std_misc` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/log-0.2.5/src/lib.rs:145:18 [INFO] [stdout] | [INFO] [stdout] 145 | #![feature(core, std_misc)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0642]: patterns aren't allowed in functions without bodies [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustc-serialize-0.3.6/src/serialize.rs:144:45 [INFO] [stdout] | [INFO] [stdout] 144 | ... &f_name: &str, [INFO] [stdout] | ^^^^^^^ pattern not allowed in function without body [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0425, E0635, E0658. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0425`. [INFO] [stdout] [INFO] [stdout] error[E0432]: unresolved import `std::ffi::AsOsStr` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustc-serialize-0.3.6/src/serialize.rs:18:16 [INFO] [stdout] | [INFO] [stdout] 18 | use std::ffi::{AsOsStr, OsString}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | no `AsOsStr` in `ffi` [INFO] [stdout] | help: a similar name exists in the module: `OsStr` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0432]: unresolved imports `std::num::Float`, `std::num::Int` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustc-serialize-0.3.6/src/json.rs:244:16 [INFO] [stdout] | [INFO] [stdout] 244 | use std::num::{Float, Int}; [INFO] [stdout] | ^^^^^ ^^^ no `Int` in `num` [INFO] [stdout] | | [INFO] [stdout] | no `Float` in `num` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0405]: cannot find trait `FromError` in module `std::error` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustc-serialize-0.3.6/src/json.rs:414:18 [INFO] [stdout] | [INFO] [stdout] 414 | impl std::error::FromError for EncoderError { [INFO] [stdout] | ^^^^^^^^^ not found in `std::error` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0635]: unknown feature `std_misc` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustc-serialize-0.3.6/src/lib.rs:13:18 [INFO] [stdout] | [INFO] [stdout] 13 | #![feature(core, std_misc)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `log` (lib) due to 3 previous errors [INFO] [stdout] error[E0277]: the trait bound `CharacterSet: Clone` is not satisfied [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustc-serialize-0.3.6/src/base64.rs:22:10 [INFO] [stdout] | [INFO] [stdout] 22 | #[derive(Copy)] [INFO] [stdout] | ^^^^ the trait `Clone` is not implemented for `CharacterSet` [INFO] [stdout] | [INFO] [stdout] note: required by a bound in `Copy` [INFO] [stdout] --> /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/core/src/marker.rs:465:1 [INFO] [stdout] help: consider annotating `CharacterSet` with `#[derive(Clone)]` [INFO] [stdout] | [INFO] [stdout] 23 + #[derive(Clone)] [INFO] [stdout] 24 | pub enum CharacterSet { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the trait bound `Newline: Clone` is not satisfied [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustc-serialize-0.3.6/src/base64.rs:31:10 [INFO] [stdout] | [INFO] [stdout] 31 | #[derive(Copy)] [INFO] [stdout] | ^^^^ the trait `Clone` is not implemented for `Newline` [INFO] [stdout] | [INFO] [stdout] note: required by a bound in `Copy` [INFO] [stdout] --> /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/core/src/marker.rs:465:1 [INFO] [stdout] help: consider annotating `Newline` with `#[derive(Clone)]` [INFO] [stdout] | [INFO] [stdout] 32 + #[derive(Clone)] [INFO] [stdout] 33 | pub enum Newline { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the trait bound `Config: Clone` is not satisfied [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustc-serialize-0.3.6/src/base64.rs:40:10 [INFO] [stdout] | [INFO] [stdout] 40 | #[derive(Copy)] [INFO] [stdout] | ^^^^ the trait `Clone` is not implemented for `Config` [INFO] [stdout] | [INFO] [stdout] note: required by a bound in `Copy` [INFO] [stdout] --> /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/core/src/marker.rs:465:1 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the trait bound `FromBase64Error: Clone` is not satisfied [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustc-serialize-0.3.6/src/base64.rs:180:10 [INFO] [stdout] | [INFO] [stdout] 180 | #[derive(Copy)] [INFO] [stdout] | ^^^^ the trait `Clone` is not implemented for `FromBase64Error` [INFO] [stdout] | [INFO] [stdout] note: required by a bound in `Copy` [INFO] [stdout] --> /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/core/src/marker.rs:465:1 [INFO] [stdout] help: consider annotating `FromBase64Error` with `#[derive(Clone)]` [INFO] [stdout] | [INFO] [stdout] 181 + #[derive(Clone)] [INFO] [stdout] 182 | pub enum FromBase64Error { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the trait bound `FromHexError: Clone` is not satisfied [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustc-serialize-0.3.6/src/hex.rs:64:10 [INFO] [stdout] | [INFO] [stdout] 64 | #[derive(Copy)] [INFO] [stdout] | ^^^^ the trait `Clone` is not implemented for `FromHexError` [INFO] [stdout] | [INFO] [stdout] note: required by a bound in `Copy` [INFO] [stdout] --> /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/core/src/marker.rs:465:1 [INFO] [stdout] help: consider annotating `FromHexError` with `#[derive(Clone)]` [INFO] [stdout] | [INFO] [stdout] 65 + #[derive(Clone)] [INFO] [stdout] 66 | pub enum FromHexError { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the trait bound `EncoderError: Clone` is not satisfied [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustc-serialize-0.3.6/src/json.rs:317:10 [INFO] [stdout] | [INFO] [stdout] 317 | #[derive(Copy, Debug)] [INFO] [stdout] | ^^^^ the trait `Clone` is not implemented for `EncoderError` [INFO] [stdout] | [INFO] [stdout] note: required by a bound in `Copy` [INFO] [stdout] --> /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/core/src/marker.rs:465:1 [INFO] [stdout] help: consider annotating `EncoderError` with `#[derive(Clone)]` [INFO] [stdout] | [INFO] [stdout] 318 + #[derive(Clone)] [INFO] [stdout] 319 | pub enum EncoderError { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0053]: method `index` has an incompatible type for trait [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustc-serialize-0.3.6/src/json.rs:1151:26 [INFO] [stdout] | [INFO] [stdout] 1151 | fn index(&self, idx: & &str) -> &Json { [INFO] [stdout] | ^^^^^^ expected `str`, found `&str` [INFO] [stdout] | [INFO] [stdout] = note: expected signature `fn(&Json, &'a _) -> &Json` [INFO] [stdout] found signature `fn(&Json, &&_) -> &Json` [INFO] [stdout] help: change the parameter type to match the trait [INFO] [stdout] | [INFO] [stdout] 1151 - fn index(&self, idx: & &str) -> &Json { [INFO] [stdout] 1151 + fn index(&self, idx: &'a str) -> &Json { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0053]: method `index` has an incompatible type for trait [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustc-serialize-0.3.6/src/json.rs:1159:33 [INFO] [stdout] | [INFO] [stdout] 1159 | fn index<'a>(&'a self, idx: &usize) -> &'a Json { [INFO] [stdout] | ^^^^^^ expected `usize`, found `&usize` [INFO] [stdout] | [INFO] [stdout] = note: expected signature `fn(&Json, _) -> &Json` [INFO] [stdout] found signature `fn(&Json, &_) -> &Json` [INFO] [stdout] help: change the parameter type to match the trait [INFO] [stdout] | [INFO] [stdout] 1159 - fn index<'a>(&'a self, idx: &usize) -> &'a Json { [INFO] [stdout] 1159 + fn index<'a>(&'a self, idx: usize) -> &'a Json { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0053, E0277, E0405, E0432, E0635, E0642. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0053`. [INFO] [stdout] [INFO] [stderr] error: could not compile `rustc-serialize` (lib) due to 13 previous errors [INFO] running `Command { std: "docker" "inspect" "bbc11f48dd914617ce98df2d6f0a851d6b02186116a7326664b1f4e8041e96ae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bbc11f48dd914617ce98df2d6f0a851d6b02186116a7326664b1f4e8041e96ae", kill_on_drop: false }` [INFO] [stdout] bbc11f48dd914617ce98df2d6f0a851d6b02186116a7326664b1f4e8041e96ae