[INFO] fetching crate trace 0.1.7... [INFO] testing trace-0.1.7 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1 [INFO] extracting crate trace 0.1.7 into /workspace/builds/worker-4-tc1/source [INFO] removed /workspace/builds/worker-4-tc1/source/.cargo/config.toml [INFO] started tweaking crates.io crate trace 0.1.7 [INFO] finished tweaking crates.io crate trace 0.1.7 [INFO] tweaked toml for crates.io crate trace 0.1.7 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate trace 0.1.7 on toolchain caccb4d0368bd918ef6668af8e13834d07040417 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate trace 0.1.7 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" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded instant v0.1.12 [INFO] [stderr] Downloaded gag v1.0.0 [INFO] [stderr] Downloaded fastrand v1.8.0 [INFO] [stderr] Downloaded ctor v0.1.26 [INFO] [stderr] Downloaded thiserror v1.0.38 [INFO] [stderr] Downloaded remove_dir_all v0.5.3 [INFO] [stderr] Downloaded value-bag v1.0.0-alpha.9 [INFO] [stderr] Downloaded async-executor v1.5.0 [INFO] [stderr] Downloaded wasm-bindgen-futures v0.4.33 [INFO] [stderr] Downloaded crossbeam-utils v0.8.14 [INFO] [stderr] Downloaded async-channel v1.8.0 [INFO] [stderr] Downloaded pin-project-lite v0.2.9 [INFO] [stderr] Downloaded rustix v0.36.6 [INFO] [stderr] Downloaded bumpalo v3.11.1 [INFO] [stderr] Downloaded async-std v1.12.0 [INFO] [stderr] Downloaded windows_x86_64_gnullvm v0.42.0 [INFO] [stderr] Downloaded is-terminal v0.4.2 [INFO] [stderr] Downloaded windows_x86_64_msvc v0.42.0 [INFO] [stderr] Downloaded env_logger v0.10.0 [INFO] [stderr] Downloaded async-task v4.3.0 [INFO] [stderr] Downloaded windows_x86_64_gnu v0.42.0 [INFO] [stderr] Downloaded windows_i686_gnu v0.42.0 [INFO] [stderr] Downloaded js-sys v0.3.60 [INFO] [stderr] Downloaded blocking v1.3.0 [INFO] [stderr] Downloaded concurrent-queue v2.0.0 [INFO] [stderr] Downloaded windows_aarch64_msvc v0.42.0 [INFO] [stderr] Downloaded async-io v1.12.0 [INFO] [stderr] Downloaded async-attributes v1.1.2 [INFO] [stderr] Downloaded async-global-executor v2.3.1 [INFO] [stderr] Downloaded wepoll-ffi v0.1.2 [INFO] [stderr] Downloaded futures-core v0.3.25 [INFO] [stderr] Downloaded gloo-timers v0.2.5 [INFO] [stderr] Downloaded slab v0.4.7 [INFO] [stderr] Downloaded wasm-bindgen-shared v0.2.83 [INFO] [stderr] Downloaded io-lifetimes v1.0.3 [INFO] [stderr] Downloaded errno-dragonfly v0.1.2 [INFO] [stderr] Downloaded windows-sys v0.42.0 [INFO] [stderr] Downloaded thiserror-impl v1.0.38 [INFO] [stderr] Downloaded polling v2.5.2 [INFO] [stderr] Downloaded socket2 v0.4.7 [INFO] [stderr] Downloaded linux-raw-sys v0.1.4 [INFO] [stderr] Downloaded windows_i686_msvc v0.42.0 [INFO] [stderr] Downloaded async-lock v2.6.0 [INFO] [stderr] Downloaded windows_aarch64_gnullvm v0.42.0 [INFO] [stderr] Downloaded aho-corasick v0.7.20 [INFO] [stderr] Downloaded futures-io v0.3.25 [INFO] [stderr] Downloaded futures-lite v1.12.0 [INFO] [stderr] Downloaded regex v1.7.0 [INFO] [stderr] Downloaded futures-channel v0.3.25 [INFO] [stderr] Downloaded wasm-bindgen v0.2.83 [INFO] [stderr] Downloaded once_cell v1.16.0 [INFO] [stderr] Downloaded wasm-bindgen-macro-support v0.2.83 [INFO] [stderr] Downloaded errno v0.2.8 [INFO] [stderr] Downloaded filedescriptor v0.8.2 [INFO] [stderr] Downloaded wasm-bindgen-backend v0.2.83 [INFO] [stderr] Downloaded wasm-bindgen-macro v0.2.83 [INFO] [stderr] Downloaded async-trait v0.1.60 [INFO] [stderr] Downloaded hermit-abi v0.2.6 [INFO] [stderr] Downloaded cc v1.0.78 [INFO] [stderr] Downloaded termcolor v1.1.3 [INFO] [stderr] Downloaded proc-macro2 v1.0.49 [INFO] [stderr] Downloaded tempfile v3.3.0 [INFO] [stderr] Downloaded log v0.4.17 [INFO] [stderr] Downloaded web-sys v0.3.60 [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 928b94914f3e470d709665206f548ceebdbb799c5303e2538dce3eff25dcb5b4 [INFO] running `Command { std: "docker" "start" "-a" "928b94914f3e470d709665206f548ceebdbb799c5303e2538dce3eff25dcb5b4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "928b94914f3e470d709665206f548ceebdbb799c5303e2538dce3eff25dcb5b4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "928b94914f3e470d709665206f548ceebdbb799c5303e2538dce3eff25dcb5b4", kill_on_drop: false }` [INFO] [stdout] 928b94914f3e470d709665206f548ceebdbb799c5303e2538dce3eff25dcb5b4 [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f06e3ad60a48b5f84c66192c5436e86ec52052709e5f6da7cbfe8602b4523d83 [INFO] running `Command { std: "docker" "start" "-a" "f06e3ad60a48b5f84c66192c5436e86ec52052709e5f6da7cbfe8602b4523d83", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.49 [INFO] [stderr] Compiling quote v1.0.23 [INFO] [stderr] Compiling unicode-ident v1.0.6 [INFO] [stderr] Compiling syn v1.0.107 [INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.49/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] [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] running `Command { std: "docker" "inspect" "f06e3ad60a48b5f84c66192c5436e86ec52052709e5f6da7cbfe8602b4523d83", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f06e3ad60a48b5f84c66192c5436e86ec52052709e5f6da7cbfe8602b4523d83", kill_on_drop: false }` [INFO] [stdout] f06e3ad60a48b5f84c66192c5436e86ec52052709e5f6da7cbfe8602b4523d83