[INFO] cloning repository https://github.com/flexiiwiki/lorenz-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/flexiiwiki/lorenz-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflexiiwiki%2Florenz-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflexiiwiki%2Florenz-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8f40d553e6e749178154f6213256bef60e1c9cf0
[INFO] checking flexiiwiki/lorenz-rust against master#d2eadb7a94ef8c9deb5137695df33cd1fc5aee92 for pr-137268
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflexiiwiki%2Florenz-rust" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/flexiiwiki/lorenz-rust on toolchain d2eadb7a94ef8c9deb5137695df33cd1fc5aee92
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d2eadb7a94ef8c9deb5137695df33cd1fc5aee92" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/flexiiwiki/lorenz-rust
[INFO] finished tweaking git repo https://github.com/flexiiwiki/lorenz-rust
[INFO] tweaked toml for git repo https://github.com/flexiiwiki/lorenz-rust written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/flexiiwiki/lorenz-rust 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" "+d2eadb7a94ef8c9deb5137695df33cd1fc5aee92" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+d2eadb7a94ef8c9deb5137695df33cd1fc5aee92" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 148c3a4d7a9044cbf606be0d0ca604bfa49f2389bf70da9406fcfca4ea85fc8d
[INFO] running `Command { std: "docker" "start" "-a" "148c3a4d7a9044cbf606be0d0ca604bfa49f2389bf70da9406fcfca4ea85fc8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "148c3a4d7a9044cbf606be0d0ca604bfa49f2389bf70da9406fcfca4ea85fc8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "148c3a4d7a9044cbf606be0d0ca604bfa49f2389bf70da9406fcfca4ea85fc8d", kill_on_drop: false }`
[INFO] [stdout] 148c3a4d7a9044cbf606be0d0ca604bfa49f2389bf70da9406fcfca4ea85fc8d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+d2eadb7a94ef8c9deb5137695df33cd1fc5aee92" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff8cf45d4ccd4e3e8a08916ce567b8963b5863c88240c2797d05b81e413483a6
[INFO] running `Command { std: "docker" "start" "-a" "ff8cf45d4ccd4e3e8a08916ce567b8963b5863c88240c2797d05b81e413483a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.144
[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]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking once_cell v1.17.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling log v0.4.18
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking libloading v0.7.4
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling xml-rs v0.8.13
[INFO] [stderr]    Compiling serde v1.0.163
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking dlib v0.5.0
[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] 
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking cty v0.2.2
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking raw-window-handle v0.4.3
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling wayland-sys v0.28.6
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling khronos-egl v4.1.0
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[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" "ff8cf45d4ccd4e3e8a08916ce567b8963b5863c88240c2797d05b81e413483a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff8cf45d4ccd4e3e8a08916ce567b8963b5863c88240c2797d05b81e413483a6", kill_on_drop: false }`
[INFO] [stdout] ff8cf45d4ccd4e3e8a08916ce567b8963b5863c88240c2797d05b81e413483a6