[INFO] fetching crate qsc 0.4.3...
[INFO] building qsc-0.4.3 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate qsc 0.4.3 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate qsc 0.4.3
[INFO] finished tweaking crates.io crate qsc 0.4.3
[INFO] tweaked toml for crates.io crate qsc 0.4.3 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate qsc 0.4.3 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate qsc 0.4.3 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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futures-executor v0.3.25
[INFO] [stderr]   Downloaded pnet_base v0.31.0
[INFO] [stderr]   Downloaded parking_lot_core v0.9.5
[INFO] [stderr]   Downloaded mio v0.8.5
[INFO] [stderr]   Downloaded futures-util v0.3.25
[INFO] [stderr]   Downloaded const-random v0.1.15
[INFO] [stderr]   Downloaded widestring v0.5.1
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.42.0
[INFO] [stderr]   Downloaded const-random-macro v0.1.15
[INFO] [stderr]   Downloaded moisture v0.1.0
[INFO] [stderr]   Downloaded enum-as-inner v0.4.0
[INFO] [stderr]   Downloaded futures-core v0.3.25
[INFO] [stderr]   Downloaded ipnet v2.7.0
[INFO] [stderr]   Downloaded futures-channel v0.3.25
[INFO] [stderr]   Downloaded serde v1.0.151
[INFO] [stderr]   Downloaded futures-macro v0.3.25
[INFO] [stderr]   Downloaded futures-sink v0.3.25
[INFO] [stderr]   Downloaded trust-dns-resolver v0.21.2
[INFO] [stderr]   Downloaded serde_json v1.0.91
[INFO] [stderr]   Downloaded cc v1.0.78
[INFO] [stderr]   Downloaded bumpalo v3.11.1
[INFO] [stderr]   Downloaded js-sys v0.3.60
[INFO] [stderr]   Downloaded qscan v0.6.0
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[INFO] [stderr]   Downloaded pnet_macros v0.31.0
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[INFO] [stderr]   Downloaded futures-io v0.3.25
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[INFO] [stderr]   Downloaded rustls v0.20.7
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[INFO] [stderr]   Downloaded futures-task v0.3.25
[INFO] [stderr]   Downloaded slab v0.4.7
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[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.83
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[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.83
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.83
[INFO] [stderr]   Downloaded windows_i686_msvc v0.42.0
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.42.0
[INFO] [stderr]   Downloaded goldberg v0.1.0
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[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.42.0
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[INFO] [stderr]   Downloaded cidr-utils v0.5.9
[INFO] [stderr]   Downloaded futures v0.3.25
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[INFO] [stderr]   Downloaded tokio v1.23.0
[INFO] [stderr]   Downloaded pnet_packet v0.31.0
[INFO] [stderr]   Downloaded ipconfig v0.3.1
[INFO] [stderr]   Downloaded windows_aarch64_gnullvm v0.42.0
[INFO] [stderr]   Downloaded windows_x86_64_gnullvm v0.42.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3a9017974bd0d92bf803877cb801553211521f370557c8b2c2d913296b4a56c3
[INFO] running `Command { std: "docker" "start" "-a" "3a9017974bd0d92bf803877cb801553211521f370557c8b2c2d913296b4a56c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a9017974bd0d92bf803877cb801553211521f370557c8b2c2d913296b4a56c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a9017974bd0d92bf803877cb801553211521f370557c8b2c2d913296b4a56c3", kill_on_drop: false }`
[INFO] [stdout] 3a9017974bd0d92bf803877cb801553211521f370557c8b2c2d913296b4a56c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 764ce80fb4819d056b6b5f29c0ccf593537435e50a0050a3768902d96ef7fa35
[INFO] running `Command { std: "docker" "start" "-a" "764ce80fb4819d056b6b5f29c0ccf593537435e50a0050a3768902d96ef7fa35", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling once_cell v1.16.0
[INFO] [stderr]    Compiling cc v1.0.78
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling untrusted v0.7.1
[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] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling futures-channel v0.3.25
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling tinyvec v1.6.0
[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" "764ce80fb4819d056b6b5f29c0ccf593537435e50a0050a3768902d96ef7fa35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "764ce80fb4819d056b6b5f29c0ccf593537435e50a0050a3768902d96ef7fa35", kill_on_drop: false }`
[INFO] [stdout] 764ce80fb4819d056b6b5f29c0ccf593537435e50a0050a3768902d96ef7fa35