[INFO] cloning repository https://github.com/jursonmo/tokiolearn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jursonmo/tokiolearn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjursonmo%2Ftokiolearn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjursonmo%2Ftokiolearn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 76776fe4d9b753ad6810f1d2bb7761d1474d7826
[INFO] checking jursonmo/tokiolearn against e5e97e3ef0ee95d34bea49cdac051ed1bbac01df for pr-158759-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjursonmo%2Ftokiolearn" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jursonmo/tokiolearn
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/jursonmo/tokiolearn
[INFO] tweaked toml for git repo https://github.com/jursonmo/tokiolearn written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jursonmo/tokiolearn on toolchain e5e97e3ef0ee95d34bea49cdac051ed1bbac01df
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e5e97e3ef0ee95d34bea49cdac051ed1bbac01df" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jursonmo/tokiolearn 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" "+e5e97e3ef0ee95d34bea49cdac051ed1bbac01df" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 16 packages to latest compatible versions
[INFO] [stderr]       Adding bitflags v2.13.1
[INFO] [stderr]       Adding clap v4.1.11 (available: v4.6.4)
[INFO] [stderr]       Adding clap_derive v4.1.9 (available: v4.6.4)
[INFO] [stderr]       Adding clap_lex v0.3.3
[INFO] [stderr]       Adding env_logger v0.10.2 (available: v0.11.11)
[INFO] [stderr]       Adding futures-sink v0.3.33
[INFO] [stderr]       Adding heck v0.4.1
[INFO] [stderr]       Adding hermit-abi v0.5.2
[INFO] [stderr]       Adding humantime v2.4.0
[INFO] [stderr]       Adding ipnet v2.12.0
[INFO] [stderr]       Adding is-terminal v0.4.17
[INFO] [stderr]       Adding os_str_bytes v6.6.1
[INFO] [stderr]       Adding strsim v0.10.0
[INFO] [stderr]       Adding tokio-util v0.7.8 (available: v0.7.19)
[INFO] [stderr]       Adding windows-link v0.2.1
[INFO] [stderr]       Adding windows-sys v0.61.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] e5743b768234c60559db14805fb846a87bc5faece877a36a6f30e6df26c4777c
[INFO] running `Command { std: "docker" "start" "e5743b768234c60559db14805fb846a87bc5faece877a36a6f30e6df26c4777c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e5743b768234c60559db14805fb846a87bc5faece877a36a6f30e6df26c4777c", 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" "e5743b768234c60559db14805fb846a87bc5faece877a36a6f30e6df26c4777c" "/opt/rustwide/cargo-home/bin/cargo" "+e5e97e3ef0ee95d34bea49cdac051ed1bbac01df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e5743b768234c60559db14805fb846a87bc5faece877a36a6f30e6df26c4777c", 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" "e5743b768234c60559db14805fb846a87bc5faece877a36a6f30e6df26c4777c" "/opt/rustwide/cargo-home/bin/cargo" "+e5e97e3ef0ee95d34bea49cdac051ed1bbac01df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.105
[INFO] [stderr]    Compiling libc v0.2.138
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling serde v1.0.149
[INFO] [stderr]     Checking once_cell v1.16.0
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.5
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]     Checking no-std-net v0.6.0
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]     Checking bytes v1.3.0
[INFO] [stderr]     Checking pnet_base v0.31.0
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling unicode-segmentation v1.10.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.47/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 serde_json v1.0.89
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking pnet_macros_support v0.31.0
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling tokio v1.22.0
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[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" "e5743b768234c60559db14805fb846a87bc5faece877a36a6f30e6df26c4777c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5743b768234c60559db14805fb846a87bc5faece877a36a6f30e6df26c4777c", kill_on_drop: false }`
[INFO] [stdout] e5743b768234c60559db14805fb846a87bc5faece877a36a6f30e6df26c4777c
