[INFO] fetching crate mycalc 0.0.0...
[INFO] testing mycalc-0.0.0 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145330-1
[INFO] extracting crate mycalc 0.0.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate mycalc 0.0.0
[INFO] finished tweaking crates.io crate mycalc 0.0.0
[INFO] tweaked toml for crates.io crate mycalc 0.0.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mycalc 0.0.0 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mycalc 0.0.0 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded const-field-offset-macro v0.1.3
[INFO] [stderr]   Downloaded const-field-offset v0.1.3
[INFO] [stderr]   Downloaded slint-macros v1.0.2
[INFO] [stderr]   Downloaded field-offset v0.3.5
[INFO] [stderr]   Downloaded vtable-macro v0.1.10
[INFO] [stderr]   Downloaded vtable v0.1.10
[INFO] [stderr]   Downloaded eval v0.4.3
[INFO] [stderr]   Downloaded xattr v0.2.3
[INFO] [stderr]   Downloaded serde_derive v1.0.162
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[INFO] [stderr]   Downloaded tiny-skia v0.8.4
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[INFO] [stderr]   Downloaded tiny-skia v0.9.0
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[INFO] [stderr]   Downloaded derive_utils v0.12.0
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[INFO] [stderr]   Downloaded roxmltree v0.18.0
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[INFO] [stderr]   Downloaded bytemuck v1.13.1
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[INFO] [stderr]   Downloaded quote v1.0.27
[INFO] [stderr]   Downloaded atomic-polyfill v1.0.2
[INFO] [stderr]   Downloaded xml-rs v0.8.8
[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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d9589c77b4ea281caf8411c0b68f40649005294fd404a23ce6326bac2d7481d7
[INFO] running `Command { std: "docker" "start" "-a" "d9589c77b4ea281caf8411c0b68f40649005294fd404a23ce6326bac2d7481d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d9589c77b4ea281caf8411c0b68f40649005294fd404a23ce6326bac2d7481d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9589c77b4ea281caf8411c0b68f40649005294fd404a23ce6326bac2d7481d7", kill_on_drop: false }`
[INFO] [stdout] d9589c77b4ea281caf8411c0b68f40649005294fd404a23ce6326bac2d7481d7
[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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed194b8641ff3d7ae65cbf66cf5eacfb61d8c29ef55b2d7e1b92140911ff0c29
[INFO] running `Command { std: "docker" "start" "-a" "ed194b8641ff3d7ae65cbf66cf5eacfb61d8c29ef55b2d7e1b92140911ff0c29", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling quote v1.0.27
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling xml-rs v0.8.8
[INFO] [stderr]    Compiling arrayvec v0.7.2
[INFO] [stderr]    Compiling libm v0.2.6
[INFO] [stderr]    Compiling atomic-polyfill v1.0.2
[INFO] [stderr]    Compiling critical-section v1.1.1
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling simd-adler32 v0.3.5
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling semver v1.0.17
[INFO] [stderr]    Compiling once_cell v1.17.1
[INFO] [stderr]    Compiling dlib v0.5.0
[INFO] [stderr]    Compiling miniz_oxide v0.7.1
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling float-cmp v0.9.0
[INFO] [stderr]    Compiling bytemuck v1.13.1
[INFO] [stderr]    Compiling regex-syntax v0.7.1
[INFO] [stderr]    Compiling fdeflate v0.3.0
[INFO] [stderr]    Compiling wayland-sys v0.29.5
[INFO] [stderr]    Compiling strict-num v0.1.0
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.56/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 thiserror v1.0.40
[INFO] [stderr]    Compiling xmlparser v0.13.5
[INFO] [stderr]    Compiling kurbo v0.9.4
[INFO] [stderr]    Compiling slotmap v1.0.6
[INFO] [stderr]    Compiling rustversion v1.0.12
[INFO] [stderr]    Compiling flate2 v1.0.26
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr]    Compiling siphasher v0.3.10
[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" "ed194b8641ff3d7ae65cbf66cf5eacfb61d8c29ef55b2d7e1b92140911ff0c29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed194b8641ff3d7ae65cbf66cf5eacfb61d8c29ef55b2d7e1b92140911ff0c29", kill_on_drop: false }`
[INFO] [stdout] ed194b8641ff3d7ae65cbf66cf5eacfb61d8c29ef55b2d7e1b92140911ff0c29