[INFO] fetching crate mktoc 4.0.0...
[INFO] checking mktoc-4.0.0 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate mktoc 4.0.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate mktoc 4.0.0
[INFO] finished tweaking crates.io crate mktoc 4.0.0
[INFO] tweaked toml for crates.io crate mktoc 4.0.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mktoc 4.0.0 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mktoc 4.0.0 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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded walkdir v2.3.3
[INFO] [stderr]   Downloaded oorandom v11.1.3
[INFO] [stderr]   Downloaded proc-macro2 v1.0.56
[INFO] [stderr]   Downloaded ciborium-ll v0.2.0
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.84
[INFO] [stderr]   Downloaded io-lifetimes v1.0.10
[INFO] [stderr]   Downloaded anstyle-wincon v1.0.0
[INFO] [stderr]   Downloaded clap_derive v4.2.0
[INFO] [stderr]   Downloaded clap v4.2.3
[INFO] [stderr]   Downloaded anstream v0.3.0
[INFO] [stderr]   Downloaded clap v3.2.23
[INFO] [stderr]   Downloaded rustix v0.37.27
[INFO] [stderr]   Downloaded clap_builder v4.2.3
[INFO] [stderr]   Downloaded js-sys v0.3.61
[INFO] [stderr]   Downloaded plotters v0.3.4
[INFO] [stderr]   Downloaded rayon-core v1.11.0
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.84
[INFO] [stderr]   Downloaded regex v1.7.3
[INFO] [stderr]   Downloaded syn v2.0.13
[INFO] [stderr]   Downloaded ciborium v0.2.0
[INFO] [stderr]   Downloaded num-traits v0.2.15
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.14
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.15
[INFO] [stderr]   Downloaded bumpalo v3.12.0
[INFO] [stderr]   Downloaded rayon v1.7.0
[INFO] [stderr]   Downloaded serde_json v1.0.95
[INFO] [stderr]   Downloaded ciborium-io v0.2.0
[INFO] [stderr]   Downloaded half v1.8.2
[INFO] [stderr]   Downloaded textwrap v0.16.0
[INFO] [stderr]   Downloaded criterion-plot v0.5.0
[INFO] [stderr]   Downloaded plotters-backend v0.3.4
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.84
[INFO] [stderr]   Downloaded either v1.8.1
[INFO] [stderr]   Downloaded crossbeam-channel v0.5.8
[INFO] [stderr]   Downloaded libc v0.2.150
[INFO] [stderr]   Downloaded clap_lex v0.2.4
[INFO] [stderr]   Downloaded cast v0.3.0
[INFO] [stderr]   Downloaded plotters-svg v0.3.3
[INFO] [stderr]   Downloaded memoffset v0.8.0
[INFO] [stderr]   Downloaded clap_lex v0.4.1
[INFO] [stderr]   Downloaded serde v1.0.160
[INFO] [stderr]   Downloaded anes v0.1.6
[INFO] [stderr]   Downloaded os_str_bytes v6.5.0
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.84
[INFO] [stderr]   Downloaded crossbeam-deque v0.8.3
[INFO] [stderr]   Downloaded criterion v0.4.0
[INFO] [stderr]   Downloaded tinytemplate v1.2.1
[INFO] [stderr]   Downloaded serde_derive v1.0.160
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.84
[INFO] [stderr]   Downloaded web-sys v0.3.61
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 72d278f1bd684b7e5ce43351e2cc9792ab5d6153af5b6484c686ea4f7e1d3413
[INFO] running `Command { std: "docker" "start" "-a" "72d278f1bd684b7e5ce43351e2cc9792ab5d6153af5b6484c686ea4f7e1d3413", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "72d278f1bd684b7e5ce43351e2cc9792ab5d6153af5b6484c686ea4f7e1d3413", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72d278f1bd684b7e5ce43351e2cc9792ab5d6153af5b6484c686ea4f7e1d3413", kill_on_drop: false }`
[INFO] [stdout] 72d278f1bd684b7e5ce43351e2cc9792ab5d6153af5b6484c686ea4f7e1d3413
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f09b024e4409db6918f134e66dc7de5fa0ffb3c9f7cbffc424a95212640fbba7
[INFO] running `Command { std: "docker" "start" "-a" "f09b024e4409db6918f134e66dc7de5fa0ffb3c9f7cbffc424a95212640fbba7", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling serde_derive v1.0.160
[INFO] [stderr]    Compiling io-lifetimes v1.0.10
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling rustix v0.37.27
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]     Checking linux-raw-sys v0.3.8
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling serde_json v1.0.95
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking anstyle-parse v0.2.0
[INFO] [stderr]     Checking ryu v1.0.13
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]     Checking anstyle v1.0.0
[INFO] [stderr]     Checking anstyle-query v1.0.0
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking clap_lex v0.4.1
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]     Checking ciborium-io v0.2.0
[INFO] [stderr]     Checking plotters-backend v0.3.4
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.56/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 half v1.8.2
[INFO] [stderr]     Checking os_str_bytes v6.5.0
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking textwrap v0.16.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking plotters-svg v0.3.3
[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" "f09b024e4409db6918f134e66dc7de5fa0ffb3c9f7cbffc424a95212640fbba7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f09b024e4409db6918f134e66dc7de5fa0ffb3c9f7cbffc424a95212640fbba7", kill_on_drop: false }`
[INFO] [stdout] f09b024e4409db6918f134e66dc7de5fa0ffb3c9f7cbffc424a95212640fbba7