[INFO] fetching crate nail-blog 0.0.6...
[INFO] testing nail-blog-0.0.6 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate nail-blog 0.0.6 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate nail-blog 0.0.6
[INFO] finished tweaking crates.io crate nail-blog 0.0.6
[INFO] tweaked toml for crates.io crate nail-blog 0.0.6 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate nail-blog 0.0.6 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate nail-blog 0.0.6 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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crc-catalog v2.1.0
[INFO] [stderr]   Downloaded typed-arena v1.7.0
[INFO] [stderr]   Downloaded clap_derive v4.0.7
[INFO] [stderr]   Downloaded comrak v0.14.0
[INFO] [stderr]   Downloaded backtrace v0.3.64
[INFO] [stderr]   Downloaded tiny_http v0.11.0
[INFO] [stderr]   Downloaded kqueue v1.0.6
[INFO] [stderr]   Downloaded clap v4.0.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d7feb5eb5628095c03447932965635c6dbe86fda12c83ac25d23f46ed68d95d9
[INFO] running `Command { std: "docker" "start" "-a" "d7feb5eb5628095c03447932965635c6dbe86fda12c83ac25d23f46ed68d95d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d7feb5eb5628095c03447932965635c6dbe86fda12c83ac25d23f46ed68d95d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7feb5eb5628095c03447932965635c6dbe86fda12c83ac25d23f46ed68d95d9", kill_on_drop: false }`
[INFO] [stdout] d7feb5eb5628095c03447932965635c6dbe86fda12c83ac25d23f46ed68d95d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e93d93a34a02c21105747b991353bf2bec8bf8bee2981f003bef4fa2a342a6fc
[INFO] running `Command { std: "docker" "start" "-a" "e93d93a34a02c21105747b991353bf2bec8bf8bee2981f003bef4fa2a342a6fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.134
[INFO] [stderr]    Compiling proc-macro2 v1.0.46
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling itoa v1.0.1
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling num_threads v0.1.6
[INFO] [stderr]    Compiling time-macros v0.2.4
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling once_cell v1.15.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling safemem v0.3.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.12
[INFO] [stderr]    Compiling ryu v1.0.9
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.46/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]    Compiling line-wrap v0.1.1
[INFO] [stderr]    Compiling walkdir v2.3.2
[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" "e93d93a34a02c21105747b991353bf2bec8bf8bee2981f003bef4fa2a342a6fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e93d93a34a02c21105747b991353bf2bec8bf8bee2981f003bef4fa2a342a6fc", kill_on_drop: false }`
[INFO] [stdout] e93d93a34a02c21105747b991353bf2bec8bf8bee2981f003bef4fa2a342a6fc