[INFO] fetching crate mml-cli 1.0.0...
[INFO] checking mml-cli-1.0.0 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] extracting crate mml-cli 1.0.0 into /workspace/builds/worker-2-tc1/source
[INFO] removed /workspace/builds/worker-2-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate mml-cli 1.0.0
[INFO] finished tweaking crates.io crate mml-cli 1.0.0
[INFO] tweaked toml for crates.io crate mml-cli 1.0.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mml-cli 1.0.0 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mml-cli 1.0.0 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tree_magic_mini v3.0.3
[INFO] [stderr]   Downloaded keyring v2.0.5
[INFO] [stderr]   Downloaded linux-keyutils v0.2.3
[INFO] [stderr]   Downloaded platforms v3.0.2
[INFO] [stderr]   Downloaded cfb-mode v0.8.2
[INFO] [stderr]   Downloaded roff v0.2.1
[INFO] [stderr]   Downloaded clap_complete v4.3.2
[INFO] [stderr]   Downloaded nanohtml2text v0.1.4
[INFO] [stderr]   Downloaded rustix v0.37.6
[INFO] [stderr]   Downloaded clap_mangen v0.2.10
[INFO] [stderr]   Downloaded ed25519-dalek v2.0.0
[INFO] [stderr]   Downloaded curve25519-dalek v4.0.0
[INFO] [stderr]   Downloaded mail-parser v0.8.2
[INFO] [stderr]   Downloaded chumsky v1.0.0-alpha.4
[INFO] [stderr]   Downloaded winnow v0.5.14
[INFO] [stderr]   Downloaded process-lib v0.1.0
[INFO] [stderr]   Downloaded shellexpand-utils v0.1.0
[INFO] [stderr]   Downloaded camellia v0.1.0
[INFO] [stderr]   Downloaded keyring-lib v0.1.0
[INFO] [stderr]   Downloaded pgp v0.10.2
[INFO] [stderr]   Downloaded z-base-32 v0.1.2
[INFO] [stderr]   Downloaded pgp-lib v0.1.0
[INFO] [stderr]   Downloaded secret-lib v0.1.0
[INFO] [stderr]   Downloaded is-terminal v0.4.6
[INFO] [stderr]   Downloaded target-lexicon v0.12.11
[INFO] [stderr]   Downloaded mml-lib v1.0.0
[INFO] [stderr]   Downloaded mail-builder v0.3.0
[INFO] [stderr]   Downloaded buffer-redux v1.0.0
[INFO] [stderr]   Downloaded cast5 v0.11.1
[INFO] [stderr]   Downloaded idea v0.5.1
[INFO] [stderr]   Downloaded elliptic-curve v0.13.5
[INFO] [stderr]   Downloaded primeorder v0.13.2
[INFO] [stderr]   Downloaded twofish v0.7.1
[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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 15f4b9488eed6a79ec4a0cc4a63526145a24311a50db133f8052e164f89381e9
[INFO] running `Command { std: "docker" "start" "-a" "15f4b9488eed6a79ec4a0cc4a63526145a24311a50db133f8052e164f89381e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "15f4b9488eed6a79ec4a0cc4a63526145a24311a50db133f8052e164f89381e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15f4b9488eed6a79ec4a0cc4a63526145a24311a50db133f8052e164f89381e9", kill_on_drop: false }`
[INFO] [stdout] 15f4b9488eed6a79ec4a0cc4a63526145a24311a50db133f8052e164f89381e9
[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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 56bf331eb2cd66124ab84d6ce0100ccac5b3dee7cbaec46f934bde6a636ec604
[INFO] running `Command { std: "docker" "start" "-a" "56bf331eb2cd66124ab84d6ce0100ccac5b3dee7cbaec46f934bde6a636ec604", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling io-lifetimes v1.0.9
[INFO] [stderr]    Compiling rustix v0.37.6
[INFO] [stderr]     Checking linux-raw-sys v0.3.1
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking anstyle-query v1.0.0
[INFO] [stderr]     Checking anstyle-parse v0.2.1
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]     Checking anstyle v1.0.1
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]     Checking regex-automata v0.3.7
[INFO] [stderr]     Checking hashbrown v0.14.0
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking clap_lex v0.5.0
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking fixedbitset v0.4.2
[INFO] [stderr]     Checking encoding_rs v0.8.32
[INFO] [stderr]    Compiling anyhow v1.0.70
[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 lazy_static v1.4.0
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling ahash v0.8.3
[INFO] [stderr]     Checking bytecount v0.6.3
[INFO] [stderr]     Checking nanohtml2text v0.1.4
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking yansi v0.5.1
[INFO] [stderr]     Checking pin-project-lite v0.2.12
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]     Checking roff v0.2.1
[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" "56bf331eb2cd66124ab84d6ce0100ccac5b3dee7cbaec46f934bde6a636ec604", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56bf331eb2cd66124ab84d6ce0100ccac5b3dee7cbaec46f934bde6a636ec604", kill_on_drop: false }`
[INFO] [stdout] 56bf331eb2cd66124ab84d6ce0100ccac5b3dee7cbaec46f934bde6a636ec604