[INFO] cloning repository https://github.com/oppenlander/rust-hermann-generator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/oppenlander/rust-hermann-generator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foppenlander%2Frust-hermann-generator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foppenlander%2Frust-hermann-generator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a174bfbfa2063a74bb245acbdb5dfe356e0eafb5
[INFO] checking oppenlander/rust-hermann-generator against master#1fe72d35998dea48aeecaf7fc07783b0b553f24f for pr-154992-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foppenlander%2Frust-hermann-generator" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/oppenlander/rust-hermann-generator
[INFO] finished tweaking git repo https://github.com/oppenlander/rust-hermann-generator
[INFO] tweaked toml for git repo https://github.com/oppenlander/rust-hermann-generator written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/oppenlander/rust-hermann-generator on toolchain 1fe72d35998dea48aeecaf7fc07783b0b553f24f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1fe72d35998dea48aeecaf7fc07783b0b553f24f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/oppenlander/rust-hermann-generator 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" "+1fe72d35998dea48aeecaf7fc07783b0b553f24f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/PistonDevelopers/image`
[INFO] [stderr]     Updating git repository `https://github.com/rust-lang/num`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustc-serialize v0.2.15
[INFO] [stderr]   Downloaded log v0.2.4
[INFO] [stderr]   Downloaded libc v0.1.2
[INFO] [stderr]   Downloaded docopt v0.6.39
[INFO] [stderr]   Downloaded rand v0.1.3
[INFO] [stderr]   Downloaded regex v0.1.15
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1fe72d35998dea48aeecaf7fc07783b0b553f24f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 24004e0504b6b68b75f797c1f24f31c3c5d16b5492e2a9f19907f775e914c407
[INFO] running `Command { std: "docker" "start" "-a" "24004e0504b6b68b75f797c1f24f31c3c5d16b5492e2a9f19907f775e914c407", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24004e0504b6b68b75f797c1f24f31c3c5d16b5492e2a9f19907f775e914c407", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24004e0504b6b68b75f797c1f24f31c3c5d16b5492e2a9f19907f775e914c407", kill_on_drop: false }`
[INFO] [stdout] 24004e0504b6b68b75f797c1f24f31c3c5d16b5492e2a9f19907f775e914c407
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1fe72d35998dea48aeecaf7fc07783b0b553f24f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 82d0812c1607708bb5119f96ee718af63de76f0b24f22e31c3643ceca13eced0
[INFO] running `Command { std: "docker" "start" "-a" "82d0812c1607708bb5119f96ee718af63de76f0b24f22e31c3643ceca13eced0", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]     Checking rustc-serialize v0.2.15
[INFO] [stderr]     Checking libc v0.1.2
[INFO] [stderr]     Checking log v0.2.4
[INFO] [stderr]     Checking regex v0.1.15
[INFO] [stdout] error: expected identifier, found `"std"`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/libc-0.1.2/rust/src/liblibc/lib.rs:80:46
[INFO] [stdout]    |
[INFO] [stdout] 80 | #[cfg(feature = "cargo-build")] extern crate "std" as core;
[INFO] [stdout]    |                                              ^^^^^ expected identifier
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libc` (lib) due to 1 previous error
[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-0.2.4/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-0.2.4/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 2026-04-09; 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-0.2.4/src/lib.rs:145:18
[INFO] [stdout]     |
[INFO] [stdout] 145 | #![feature(core, std_misc)]
[INFO] [stdout]     |                  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `unicode`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/regex-0.1.15/src/lib.rs:372:1
[INFO] [stdout]     |
[INFO] [stdout] 372 | extern crate unicode;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::borrow::IntoCow`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/regex-0.1.15/src/re.rs:14:19
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::borrow::{IntoCow, Cow};
[INFO] [stdout]    |                   ^^^^^^^ no `IntoCow` in `borrow`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0463.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[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] [stderr] error: could not compile `regex` (lib) due to 2 previous errors
[INFO] [stderr] error: could not compile `log` (lib) due to 3 previous errors
[INFO] [stdout] error[E0463]: can't find crate for `unicode`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustc-serialize-0.2.15/src/lib.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | extern crate unicode;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^ can't find crate
[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-0.2.15/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] error[E0432]: unresolved import `std::ffi::AsOsStr`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustc-serialize-0.2.15/src/serialize.rs:18:16
[INFO] [stdout]    |
[INFO] [stdout] 18 | use std::ffi::{AsOsStr, OsString};
[INFO] [stdout]    |                ^^^^^^^ no `AsOsStr` in `ffi`
[INFO] [stdout]    |
[INFO] [stdout] help: a similar name exists in the module
[INFO] [stdout]    |
[INFO] [stdout] 18 - use std::ffi::{AsOsStr, OsString};
[INFO] [stdout] 18 + use std::ffi::{OsStr, OsString};
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::old_path`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustc-serialize-0.2.15/src/serialize.rs:19:10
[INFO] [stdout]    |
[INFO] [stdout] 19 | use std::old_path::{PosixPath, WindowsPath};
[INFO] [stdout]    |          ^^^^^^^^ could not find `old_path` in `std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::os::unix::OsStrExt`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustc-serialize-0.2.15/src/serialize.rs:572:13
[INFO] [stdout]     |
[INFO] [stdout] 572 |         use std::os::unix::OsStrExt;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^ no `OsStrExt` in `os::unix`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this trait instead
[INFO] [stdout]     |
[INFO] [stdout] 572 |         use std::os::unix::prelude::OsStrExt;
[INFO] [stdout]     |                            +++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::os::unix::OsStringExt`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustc-serialize-0.2.15/src/serialize.rs:592:13
[INFO] [stdout]     |
[INFO] [stdout] 592 |         use std::os::unix::OsStringExt;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^ no `OsStringExt` in `os::unix`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this trait instead
[INFO] [stdout]     |
[INFO] [stdout] 592 |         use std::os::unix::prelude::OsStringExt;
[INFO] [stdout]     |                            +++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::collections::VecMap`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustc-serialize-0.2.15/src/collection_impls.rs:17:84
[INFO] [stdout]    |
[INFO] [stdout] 17 | use std::collections::{LinkedList, VecDeque, BTreeMap, BTreeSet, HashMap, HashSet, VecMap};
[INFO] [stdout]    |                                                                                    ^^^^^^ no `VecMap` in `collections`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::collections::hash_state`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustc-serialize-0.2.15/src/collection_impls.rs:18:23
[INFO] [stdout]    |
[INFO] [stdout] 18 | use std::collections::hash_state::HashState;
[INFO] [stdout]    |                       ^^^^^^^^^^ could not find `hash_state` in `collections`
[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-0.2.15/src/json.rs:249:16
[INFO] [stdout]     |
[INFO] [stdout] 249 | use std::num::{Float, Int};
[INFO] [stdout]     |                ^^^^^  ^^^ no `Int` in `num`
[INFO] [stdout]     |                |
[INFO] [stdout]     |                no `Float` in `num`
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider importing one of these items instead:
[INFO] [stdout]             std::mem::type_info::Float
[INFO] [stdout]             std::mem::type_info::TypeKind::Float
[INFO] [stdout]     = help: consider importing one of these items instead:
[INFO] [stdout]             std::mem::type_info::Int
[INFO] [stdout]             std::mem::type_info::TypeKind::Int
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0463, E0642.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustc-serialize` (lib) due to 9 previous errors
[INFO] running `Command { std: "docker" "inspect" "82d0812c1607708bb5119f96ee718af63de76f0b24f22e31c3643ceca13eced0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82d0812c1607708bb5119f96ee718af63de76f0b24f22e31c3643ceca13eced0", kill_on_drop: false }`
[INFO] [stdout] 82d0812c1607708bb5119f96ee718af63de76f0b24f22e31c3643ceca13eced0
