[INFO] fetching crate rust_hero 0.5.2...
[INFO] testing rust_hero-0.5.2 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate rust_hero 0.5.2 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate rust_hero 0.5.2
[INFO] finished tweaking crates.io crate rust_hero 0.5.2
[INFO] tweaked toml for crates.io crate rust_hero 0.5.2 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rust_hero 0.5.2 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 rust_hero 0.5.2 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bzip2 v0.4.3
[INFO] [stderr]   Downloaded time-macros v0.2.5
[INFO] [stderr]   Downloaded xattr v0.2.3
[INFO] [stderr]   Downloaded zip-extensions v0.6.1
[INFO] [stderr]   Downloaded futures-io v0.3.25
[INFO] [stderr]   Downloaded os_str_bytes v6.3.1
[INFO] [stderr]   Downloaded bump_alloc v0.1.0
[INFO] [stderr]   Downloaded crossbeam-queue v0.3.6
[INFO] [stderr]   Downloaded ignore v0.4.18
[INFO] [stderr]   Downloaded half v2.1.0
[INFO] [stderr]   Downloaded cached-path v0.5.3
[INFO] [stderr]   Downloaded rust_tokenizers v7.0.2
[INFO] [stderr]   Downloaded torch-sys v0.8.0
[INFO] [stderr]   Downloaded reqwest v0.11.12
[INFO] [stderr]   Downloaded protobuf v2.27.1
[INFO] [stderr]   Downloaded curl v0.4.44
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.11
[INFO] [stderr]   Downloaded zip v0.6.3
[INFO] [stderr]   Downloaded tar v0.4.38
[INFO] [stderr]   Downloaded uuid v1.2.1
[INFO] [stderr]   Downloaded time v0.3.16
[INFO] [stderr]   Downloaded console v0.15.2
[INFO] [stderr]   Downloaded rust-bert v0.19.0
[INFO] [stderr]   Downloaded crossbeam v0.8.2
[INFO] [stderr]   Downloaded globset v0.4.9
[INFO] [stderr]   Downloaded insta v1.21.0
[INFO] [stderr]   Downloaded ordered-float v3.3.0
[INFO] [stderr]   Downloaded base64ct v1.5.3
[INFO] [stderr]   Downloaded csv v1.1.6
[INFO] [stderr]   Downloaded tch v0.8.0
[INFO] [stderr]   Downloaded curl-sys v0.4.58+curl-7.86.0
[INFO] [stderr]   Downloaded cc v1.0.74
[INFO] [stderr]   Downloaded indicatif v0.17.1
[INFO] [stderr]   Downloaded tree-sitter v0.20.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 1e2ea54afbe9e987b3e983baceb2c34bddfe7c603467b7cf011b72e266b284d3
[INFO] running `Command { std: "docker" "start" "-a" "1e2ea54afbe9e987b3e983baceb2c34bddfe7c603467b7cf011b72e266b284d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e2ea54afbe9e987b3e983baceb2c34bddfe7c603467b7cf011b72e266b284d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e2ea54afbe9e987b3e983baceb2c34bddfe7c603467b7cf011b72e266b284d3", kill_on_drop: false }`
[INFO] [stdout] 1e2ea54afbe9e987b3e983baceb2c34bddfe7c603467b7cf011b72e266b284d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 2759b24e9905b2df67bbdf23438ebcf63c743aad24a08f0239db747f0a1cc6e2
[INFO] running `Command { std: "docker" "start" "-a" "2759b24e9905b2df67bbdf23438ebcf63c743aad24a08f0239db747f0a1cc6e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling once_cell v1.16.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling itoa v1.0.4
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling cpufeatures v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.147
[INFO] [stderr]    Compiling miniz_oxide v0.5.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.12
[INFO] [stderr]    Compiling serde v1.0.147
[INFO] [stderr]    Compiling bytes v1.2.1
[INFO] [stderr]    Compiling base64ct v1.5.3
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling tokio v1.21.2
[INFO] [stderr]    Compiling zstd-safe v5.0.2+zstd.1.5.2
[INFO] [stderr]    Compiling unicode-normalization v0.1.22
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stderr]    Compiling percent-encoding v2.2.0
[INFO] [stderr]    Compiling time-core v0.1.0
[INFO] [stderr]    Compiling tracing-core v0.1.30
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.47/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 time-macros v0.2.5
[INFO] [stderr]    Compiling aho-corasick v0.7.19
[INFO] [stderr]    Compiling form_urlencoded v1.1.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.11
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stderr]    Compiling jobserver v0.1.25
[INFO] [stderr]    Compiling getrandom v0.2.8
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling mio v0.8.5
[INFO] [stderr]    Compiling socket2 v0.4.7
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]    Compiling cc v1.0.74
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[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" "2759b24e9905b2df67bbdf23438ebcf63c743aad24a08f0239db747f0a1cc6e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2759b24e9905b2df67bbdf23438ebcf63c743aad24a08f0239db747f0a1cc6e2", kill_on_drop: false }`
[INFO] [stdout] 2759b24e9905b2df67bbdf23438ebcf63c743aad24a08f0239db747f0a1cc6e2
