[INFO] fetching crate uuid-v4-cli 0.3.0...
[INFO] testing uuid-v4-cli-0.3.0 against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739-1
[INFO] extracting crate uuid-v4-cli 0.3.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate uuid-v4-cli 0.3.0
[INFO] finished tweaking crates.io crate uuid-v4-cli 0.3.0
[INFO] tweaked toml for crates.io crate uuid-v4-cli 0.3.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate uuid-v4-cli 0.3.0 on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate uuid-v4-cli 0.3.0 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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tempfile v3.3.0
[INFO] [stderr]   Downloaded inline-c v0.1.7
[INFO] [stderr]   Downloaded fastrand v1.7.0
[INFO] [stderr]   Downloaded predicates-tree v1.0.5
[INFO] [stderr]   Downloaded clap_lex v0.3.0
[INFO] [stderr]   Downloaded predicates-core v1.0.3
[INFO] [stderr]   Downloaded termtree v0.2.4
[INFO] [stderr]   Downloaded inline-c-macro v0.1.5
[INFO] [stderr]   Downloaded itoa v1.0.1
[INFO] [stderr]   Downloaded clap_lex v0.2.2
[INFO] [stderr]   Downloaded getrandom v0.2.5
[INFO] [stderr]   Downloaded semver-parser v0.10.2
[INFO] [stderr]   Downloaded once_cell v1.12.0
[INFO] [stderr]   Downloaded os_str_bytes v6.0.0
[INFO] [stderr]   Downloaded clap_derive v4.0.7
[INFO] [stderr]   Downloaded predicates v2.1.1
[INFO] [stderr]   Downloaded quote v1.0.15
[INFO] [stderr]   Downloaded assert_cmd v1.0.8
[INFO] [stderr]   Downloaded proc-macro2 v1.0.46
[INFO] [stderr]   Downloaded ryu v1.0.9
[INFO] [stderr]   Downloaded redox_syscall v0.2.10
[INFO] [stderr]   Downloaded uuid v1.1.2
[INFO] [stderr]   Downloaded target-lexicon v0.11.2
[INFO] [stderr]   Downloaded serde_derive v1.0.136
[INFO] [stderr]   Downloaded indexmap v1.8.0
[INFO] [stderr]   Downloaded unicode-ident v1.0.4
[INFO] [stderr]   Downloaded serde v1.0.136
[INFO] [stderr]   Downloaded textwrap v0.15.1
[INFO] [stderr]   Downloaded itertools v0.10.3
[INFO] [stderr]   Downloaded serde_json v1.0.79
[INFO] [stderr]   Downloaded cbindgen v0.24.3
[INFO] [stderr]   Downloaded clap v4.0.7
[INFO] [stderr]   Downloaded clap v3.2.22
[INFO] [stderr]   Downloaded syn v1.0.91
[INFO] [stderr]   Downloaded libc v0.2.119
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 16241bbb15738d85479c3fcca554a134a5e884f324d01653e063ca819d810bd5
[INFO] running `Command { std: "docker" "start" "-a" "16241bbb15738d85479c3fcca554a134a5e884f324d01653e063ca819d810bd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "16241bbb15738d85479c3fcca554a134a5e884f324d01653e063ca819d810bd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16241bbb15738d85479c3fcca554a134a5e884f324d01653e063ca819d810bd5", kill_on_drop: false }`
[INFO] [stdout] 16241bbb15738d85479c3fcca554a134a5e884f324d01653e063ca819d810bd5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ead12edf85fb55013122cac3ccb84fe73efd539970c64f06ba488bd31d00f74d
[INFO] running `Command { std: "docker" "start" "-a" "ead12edf85fb55013122cac3ccb84fe73efd539970c64f06ba488bd31d00f74d", kill_on_drop: false }`
[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 libc v0.2.119
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling os_str_bytes v6.0.0
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling clap_lex v0.2.2
[INFO] [stderr]    Compiling fastrand v1.7.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.46/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] 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 ryu v1.0.9
[INFO] [stderr]    Compiling textwrap v0.15.1
[INFO] [stderr]    Compiling cbindgen v0.24.3
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling itoa v1.0.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling getrandom v0.2.5
[INFO] [stderr]    Compiling clap_lex v0.3.0
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr]    Compiling once_cell v1.12.0
[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" "ead12edf85fb55013122cac3ccb84fe73efd539970c64f06ba488bd31d00f74d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ead12edf85fb55013122cac3ccb84fe73efd539970c64f06ba488bd31d00f74d", kill_on_drop: false }`
[INFO] [stdout] ead12edf85fb55013122cac3ccb84fe73efd539970c64f06ba488bd31d00f74d
