[INFO] fetching crate descargador 0.0.1...
[INFO] testing descargador-0.0.1 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate descargador 0.0.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate descargador 0.0.1
[INFO] finished tweaking crates.io crate descargador 0.0.1
[INFO] tweaked toml for crates.io crate descargador 0.0.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate descargador 0.0.1 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate descargador 0.0.1 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded percent-encoding v2.2.0
[INFO] [stderr]   Downloaded thiserror v1.0.40
[INFO] [stderr]   Downloaded abscissa_derive v0.6.0
[INFO] [stderr]   Downloaded form_urlencoded v1.1.0
[INFO] [stderr]   Downloaded abscissa_core v0.6.0
[INFO] [stderr]   Downloaded auditable-extract v0.3.2
[INFO] [stderr]   Downloaded rustsec v0.27.0
[INFO] [stderr]   Downloaded crates-index v0.19.10
[INFO] [stderr]   Downloaded toml_datetime v0.6.2
[INFO] [stderr]   Downloaded auditable-info v0.7.0
[INFO] [stderr]   Downloaded tracing-log v0.1.3
[INFO] [stderr]   Downloaded binfarce v0.2.1
[INFO] [stderr]   Downloaded auditable-serde v0.6.0
[INFO] [stderr]   Downloaded quitters v0.1.0
[INFO] [stderr]   Downloaded humantime-serde v1.1.1
[INFO] [stderr]   Downloaded smol_str v0.2.0
[INFO] [stderr]   Downloaded thiserror-impl v1.0.40
[INFO] [stderr]   Downloaded cargo-audit v0.17.6
[INFO] [stderr]   Downloaded cvss v2.0.0
[INFO] [stderr]   Downloaded serde_derive v1.0.163
[INFO] [stderr]   Downloaded canonical-path v2.0.2
[INFO] [stderr]   Downloaded zeroize v1.6.0
[INFO] [stderr]   Downloaded hermit-abi v0.2.6
[INFO] [stderr]   Downloaded os_str_bytes v6.5.0
[INFO] [stderr]   Downloaded pin-project-lite v0.2.9
[INFO] [stderr]   Downloaded addr2line v0.19.0
[INFO] [stderr]   Downloaded cargo-lock v9.0.0
[INFO] [stderr]   Downloaded tracing-attributes v0.1.24
[INFO] [stderr]   Downloaded platforms v3.0.2
[INFO] [stderr]   Downloaded memoffset v0.8.0
[INFO] [stderr]   Downloaded num_cpus v1.15.0
[INFO] [stderr]   Downloaded textwrap v0.16.0
[INFO] [stderr]   Downloaded eyre v0.6.8
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.14
[INFO] [stderr]   Downloaded jobserver v0.1.26
[INFO] [stderr]   Downloaded arc-swap v1.6.0
[INFO] [stderr]   Downloaded tracing-core v0.1.31
[INFO] [stderr]   Downloaded windows-targets v0.48.0
[INFO] [stderr]   Downloaded home v0.5.5
[INFO] [stderr]   Downloaded serde_spanned v0.6.2
[INFO] [stderr]   Downloaded tracing v0.1.37
[INFO] [stderr]   Downloaded rayon-core v1.11.0
[INFO] [stderr]   Downloaded toml_edit v0.19.10
[INFO] [stderr]   Downloaded backtrace v0.3.67
[INFO] [stderr]   Downloaded aho-corasick v1.0.1
[INFO] [stderr]   Downloaded openssl-sys v0.9.87
[INFO] [stderr]   Downloaded serde_json v1.0.96
[INFO] [stderr]   Downloaded url v2.3.1
[INFO] [stderr]   Downloaded winnow v0.4.6
[INFO] [stderr]   Downloaded petgraph v0.6.3
[INFO] [stderr]   Downloaded tracing-subscriber v0.3.17
[INFO] [stderr]   Downloaded git2 v0.16.1
[INFO] [stderr]   Downloaded syn v2.0.17
[INFO] [stderr]   Downloaded object v0.30.3
[INFO] [stderr]   Downloaded idna v0.3.0
[INFO] [stderr]   Downloaded regex v1.8.3
[INFO] [stderr]   Downloaded toml v0.7.4
[INFO] [stderr]   Downloaded rayon v1.7.0
[INFO] [stderr]   Downloaded regex-syntax v0.7.2
[INFO] [stderr]   Downloaded libssh2-sys v0.2.23
[INFO] [stderr]   Downloaded gimli v0.27.2
[INFO] [stderr]   Downloaded libgit2-sys v0.14.2+1.5.1
[INFO] [stderr]   Downloaded libz-sys v1.1.9
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b6f3b70880518f0276d61eaafb60611fb8797e033d1906ccfa1126ea1e9df9e7
[INFO] running `Command { std: "docker" "start" "-a" "b6f3b70880518f0276d61eaafb60611fb8797e033d1906ccfa1126ea1e9df9e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6f3b70880518f0276d61eaafb60611fb8797e033d1906ccfa1126ea1e9df9e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6f3b70880518f0276d61eaafb60611fb8797e033d1906ccfa1126ea1e9df9e7", kill_on_drop: false }`
[INFO] [stdout] b6f3b70880518f0276d61eaafb60611fb8797e033d1906ccfa1126ea1e9df9e7
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ca57cc0f4f8a9e462ecaf2b0bd5ae6d019f2d7521f44e45e3179282f690bcc6
[INFO] running `Command { std: "docker" "start" "-a" "3ca57cc0f4f8a9e462ecaf2b0bd5ae6d019f2d7521f44e45e3179282f690bcc6", kill_on_drop: false }`
[INFO] [stderr]    Compiling descargador v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "3ca57cc0f4f8a9e462ecaf2b0bd5ae6d019f2d7521f44e45e3179282f690bcc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ca57cc0f4f8a9e462ecaf2b0bd5ae6d019f2d7521f44e45e3179282f690bcc6", kill_on_drop: false }`
[INFO] [stdout] 3ca57cc0f4f8a9e462ecaf2b0bd5ae6d019f2d7521f44e45e3179282f690bcc6
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aaafdc6b48101ea3385fd80d3d260a6c7925d9e73c8e38c00c3dc1ae35b30ccf
[INFO] running `Command { std: "docker" "start" "-a" "aaafdc6b48101ea3385fd80d3d260a6c7925d9e73c8e38c00c3dc1ae35b30ccf", kill_on_drop: false }`
[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]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling serde v1.0.163
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling once_cell v1.17.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling semver v1.0.17
[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]    Compiling unicode-normalization v0.1.22
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling percent-encoding v2.2.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.13
[INFO] [stderr]    Compiling form_urlencoded v1.1.0
[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" "aaafdc6b48101ea3385fd80d3d260a6c7925d9e73c8e38c00c3dc1ae35b30ccf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aaafdc6b48101ea3385fd80d3d260a6c7925d9e73c8e38c00c3dc1ae35b30ccf", kill_on_drop: false }`
[INFO] [stdout] aaafdc6b48101ea3385fd80d3d260a6c7925d9e73c8e38c00c3dc1ae35b30ccf