[INFO] cloning repository https://github.com/andrewbaxter/ipecho
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/andrewbaxter/ipecho" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewbaxter%2Fipecho", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewbaxter%2Fipecho'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e26cf9f69384112e39c21ce2e38b63ec5b15fc78
[INFO] checking andrewbaxter/ipecho against 846e51f66b1e7b49ba9e3988c58ccfe5817ce0a9 for pr-164812
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewbaxter%2Fipecho" "/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/andrewbaxter/ipecho
[INFO] finished tweaking git repo https://github.com/andrewbaxter/ipecho
[INFO] tweaked toml for git repo https://github.com/andrewbaxter/ipecho written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/andrewbaxter/ipecho on toolchain 846e51f66b1e7b49ba9e3988c58ccfe5817ce0a9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+846e51f66b1e7b49ba9e3988c58ccfe5817ce0a9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/andrewbaxter/ipecho 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" "+846e51f66b1e7b49ba9e3988c58ccfe5817ce0a9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tracing-core v0.1.31
[INFO] [stderr]   Downloaded futures-executor v0.3.28
[INFO] [stderr]   Downloaded futures-channel v0.3.28
[INFO] [stderr]   Downloaded async-stream-impl v0.3.5
[INFO] [stderr]   Downloaded async-stream v0.3.5
[INFO] [stderr]   Downloaded lambda_http v0.8.0
[INFO] [stderr]   Downloaded base64 v0.21.2
[INFO] [stderr]   Downloaded form_urlencoded v1.1.0
[INFO] [stderr]   Downloaded query_map v0.6.0
[INFO] [stderr]   Downloaded percent-encoding v2.2.0
[INFO] [stderr]   Downloaded http-serde v1.1.2
[INFO] [stderr]   Downloaded futures v0.3.28
[INFO] [stderr]   Downloaded url v2.3.1
[INFO] [stderr]   Downloaded aws_lambda_events v0.7.3
[INFO] [stderr]   Downloaded http v0.2.9
[INFO] [stderr]   Downloaded hyper v0.14.26
[INFO] [stderr]   Downloaded hermit-abi v0.2.6
[INFO] [stderr]   Downloaded idna v0.3.0
[INFO] [stderr]   Downloaded errno-dragonfly v0.1.2
[INFO] [stderr]   Downloaded futures-sink v0.3.28
[INFO] [stderr]   Downloaded structre_proc_macros v0.0.1
[INFO] [stderr]   Downloaded futures-task v0.3.28
[INFO] [stderr]   Downloaded errno v0.3.1
[INFO] [stderr]   Downloaded hermit-abi v0.3.1
[INFO] [stderr]   Downloaded futures-macro v0.3.28
[INFO] [stderr]   Downloaded is-terminal v0.4.7
[INFO] [stderr]   Downloaded windows-targets v0.48.0
[INFO] [stderr]   Downloaded structre v0.0.1
[INFO] [stderr]   Downloaded anstyle v1.0.0
[INFO] [stderr]   Downloaded field-offset v0.3.5
[INFO] [stderr]   Downloaded itoa v1.0.6
[INFO] [stderr]   Downloaded threadpool v1.8.1
[INFO] [stderr]   Downloaded lambda_runtime_api_client v0.8.0
[INFO] [stderr]   Downloaded futures-core v0.3.28
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.86
[INFO] [stderr]   Downloaded terrars-andrewbaxter-localrun v0.1.13
[INFO] [stderr]   Downloaded cargo-manifest v0.7.1
[INFO] [stderr]   Downloaded clap_lex v0.5.0
[INFO] [stderr]   Downloaded futures-io v0.3.28
[INFO] [stderr]   Downloaded anstyle-wincon v1.0.1
[INFO] [stderr]   Downloaded semver v1.0.17
[INFO] [stderr]   Downloaded pin-project-lite v0.2.9
[INFO] [stderr]   Downloaded thiserror-impl v1.0.40
[INFO] [stderr]   Downloaded trackable v1.3.0
[INFO] [stderr]   Downloaded memoffset v0.8.0
[INFO] [stderr]   Downloaded redox_users v0.4.3
[INFO] [stderr]   Downloaded libflate_lz77 v1.2.0
[INFO] [stderr]   Downloaded num_cpus v1.15.0
[INFO] [stderr]   Downloaded trackable_derive v1.0.0
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.86
[INFO] [stderr]   Downloaded widestring v0.4.3
[INFO] [stderr]   Downloaded time-core v0.1.1
[INFO] [stderr]   Downloaded time-macros v0.2.9
[INFO] [stderr]   Downloaded rustversion v1.0.12
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.86
[INFO] [stderr]   Downloaded walkdir v2.3.3
[INFO] [stderr]   Downloaded slab v0.4.8
[INFO] [stderr]   Downloaded anstyle-parse v0.2.0
[INFO] [stderr]   Downloaded cargo_toml v0.14.1
[INFO] [stderr]   Downloaded slog-kvfilter v0.7.0
[INFO] [stderr]   Downloaded time v0.1.45
[INFO] [stderr]   Downloaded slog-async v2.7.0
[INFO] [stderr]   Downloaded lambda_runtime v0.8.0
[INFO] [stderr]   Downloaded slog-scope v4.4.0
[INFO] [stderr]   Downloaded tracing-attributes v0.1.24
[INFO] [stderr]   Downloaded slog-term v2.9.0
[INFO] [stderr]   Downloaded slog-stdlog v4.1.1
[INFO] [stderr]   Downloaded once_cell v1.17.2
[INFO] [stderr]   Downloaded getrandom v0.2.9
[INFO] [stderr]   Downloaded thiserror v1.0.40
[INFO] [stderr]   Downloaded anyhow v1.0.71
[INFO] [stderr]   Downloaded unicode-ident v1.0.9
[INFO] [stderr]   Downloaded log v0.4.18
[INFO] [stderr]   Downloaded quote v1.0.28
[INFO] [stderr]   Downloaded terrars v0.1.5
[INFO] [stderr]   Downloaded proc-macro2 v1.0.59
[INFO] [stderr]   Downloaded genemichaels v0.1.21
[INFO] [stderr]   Downloaded tempfile v3.5.0
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.15
[INFO] [stderr]   Downloaded clap_derive v4.3.0
[INFO] [stderr]   Downloaded libflate v1.4.0
[INFO] [stderr]   Downloaded iana-time-zone v0.1.56
[INFO] [stderr]   Downloaded litrs v0.2.3
[INFO] [stderr]   Downloaded anstream v0.3.2
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.86
[INFO] [stderr]   Downloaded cc v1.0.79
[INFO] [stderr]   Downloaded num-traits v0.2.15
[INFO] [stderr]   Downloaded rle-decode-fast v1.0.3
[INFO] [stderr]   Downloaded slog v2.7.0
[INFO] [stderr]   Downloaded clap v4.3.0
[INFO] [stderr]   Downloaded ryu v1.0.13
[INFO] [stderr]   Downloaded bytes v1.4.0
[INFO] [stderr]   Downloaded serde_derive v1.0.163
[INFO] [stderr]   Downloaded tracing v0.1.37
[INFO] [stderr]   Downloaded sloggers v2.1.1
[INFO] [stderr]   Downloaded memchr v2.5.0
[INFO] [stderr]   Downloaded serde v1.0.163
[INFO] [stderr]   Downloaded arc-swap v1.6.0
[INFO] [stderr]   Downloaded js-sys v0.3.63
[INFO] [stderr]   Downloaded mio v0.8.8
[INFO] [stderr]   Downloaded time v0.3.21
[INFO] [stderr]   Downloaded tracing-subscriber v0.3.17
[INFO] [stderr]   Downloaded serde_json v1.0.96
[INFO] [stderr]   Downloaded clap_builder v4.3.0
[INFO] [stderr]   Downloaded aho-corasick v1.0.1
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.86
[INFO] [stderr]   Downloaded markdown v1.0.0-alpha.9
[INFO] [stderr]   Downloaded futures-util v0.3.28
[INFO] [stderr]   Downloaded chrono v0.4.26
[INFO] [stderr]   Downloaded syn v2.0.18
[INFO] [stderr]   Downloaded regex v1.8.3
[INFO] [stderr]   Downloaded rustix v0.37.19
[INFO] [stderr]   Downloaded regex-syntax v0.7.2
[INFO] [stderr]   Downloaded windows-acl v0.3.0
[INFO] [stderr]   Downloaded tokio v1.28.2
[INFO] [stderr]   Downloaded libc v0.2.144
[INFO] [stderr]   Downloaded terrars-hashicorp-aws v0.1.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:c0af3998e971868164375a7dfb646c9933ddd1a3bdb00fa2041266763dc1eeab" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 75b32160050b74dfd6d06d4d18b106d9dcf29909edf76653b1d0a183559335ce
[INFO] running `Command { std: "docker" "start" "75b32160050b74dfd6d06d4d18b106d9dcf29909edf76653b1d0a183559335ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75b32160050b74dfd6d06d4d18b106d9dcf29909edf76653b1d0a183559335ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "75b32160050b74dfd6d06d4d18b106d9dcf29909edf76653b1d0a183559335ce" "/opt/rustwide/cargo-home/bin/cargo" "+846e51f66b1e7b49ba9e3988c58ccfe5817ce0a9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75b32160050b74dfd6d06d4d18b106d9dcf29909edf76653b1d0a183559335ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "75b32160050b74dfd6d06d4d18b106d9dcf29909edf76653b1d0a183559335ce" "/opt/rustwide/cargo-home/bin/cargo" "+846e51f66b1e7b49ba9e3988c58ccfe5817ce0a9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.59
[INFO] [stderr]    Compiling unicode-ident v1.0.9
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling serde v1.0.163
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling rustix v0.37.19
[INFO] [stderr]    Compiling once_cell v1.17.2
[INFO] [stderr]    Compiling linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling serde_json v1.0.96
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling utf8parse v0.2.1
[INFO] [stderr]    Compiling regex-syntax v0.7.2
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling anstyle-parse v0.2.0
[INFO] [stderr]    Compiling anyhow v1.0.71
[INFO] [stderr]    Compiling log v0.4.18
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.59/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a feature with a similar name: `proc_macro_span_file`
[INFO] [stdout]    |
[INFO] [stdout] 92 -     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout] 92 +     feature(proc_macro_span, proc_macro_span_file)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling colorchoice v1.0.0
[INFO] [stderr]    Compiling anstyle-query v1.0.0
[INFO] [stderr]    Compiling anstyle v1.0.0
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]    Compiling time-core v0.1.1
[INFO] [stderr]    Compiling time-macros v0.2.9
[INFO] [stderr]    Compiling thread_local v1.1.7
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]    Compiling clap_lex v0.5.0
[INFO] [stderr]    Compiling slog-async v2.7.0
[INFO] [stderr]    Compiling num_threads v0.1.6
[INFO] [stderr]    Compiling arc-swap v1.6.0
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "75b32160050b74dfd6d06d4d18b106d9dcf29909edf76653b1d0a183559335ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75b32160050b74dfd6d06d4d18b106d9dcf29909edf76653b1d0a183559335ce", kill_on_drop: false }`
[INFO] [stdout] 75b32160050b74dfd6d06d4d18b106d9dcf29909edf76653b1d0a183559335ce