[INFO] fetching crate shanimation-rs 0.1.1...
[INFO] testing shanimation-rs-0.1.1 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8
[INFO] extracting crate shanimation-rs 0.1.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate shanimation-rs 0.1.1
[INFO] finished tweaking crates.io crate shanimation-rs 0.1.1
[INFO] tweaked toml for crates.io crate shanimation-rs 0.1.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate shanimation-rs 0.1.1 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate shanimation-rs 0.1.1 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a22db685ce332cb309117111936bc692f4440d1e8bda66410b87ca98bcd40b84
[INFO] running `Command { std: "docker" "start" "-a" "a22db685ce332cb309117111936bc692f4440d1e8bda66410b87ca98bcd40b84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a22db685ce332cb309117111936bc692f4440d1e8bda66410b87ca98bcd40b84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a22db685ce332cb309117111936bc692f4440d1e8bda66410b87ca98bcd40b84", kill_on_drop: false }`
[INFO] [stdout] a22db685ce332cb309117111936bc692f4440d1e8bda66410b87ca98bcd40b84
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 45020a36a67d8f37253223614f5d225286103d8d214332a2fa6887cde83f7ba7
[INFO] running `Command { std: "docker" "start" "-a" "45020a36a67d8f37253223614f5d225286103d8d214332a2fa6887cde83f7ba7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.141
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling bytemuck v1.13.1
[INFO] [stderr]    Compiling simd-adler32 v0.3.5
[INFO] [stderr]    Compiling miniz_oxide v0.6.2
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling semver v1.0.17
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling paste v1.0.12
[INFO] [stderr]    Compiling walkdir v2.3.3
[INFO] [stderr]    Compiling safe_arch v0.6.0
[INFO] [stderr]    Compiling num-complex v0.4.3
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling flate2 v1.0.25
[INFO] [stderr]    Compiling futures-sink v0.3.28
[INFO] [stderr]    Compiling weezl v0.1.7
[INFO] [stderr]    Compiling nasm-rs v0.2.5
[INFO] [stderr]    Compiling typenum v1.16.0
[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 signal-hook v0.3.15
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]    Compiling crossbeam-channel v0.5.8
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling zune-inflate v0.2.53
[INFO] [stderr]    Compiling fdeflate v0.3.0
[INFO] [stderr]    Compiling miniz_oxide v0.7.1
[INFO] [stderr]    Compiling num_cpus v1.15.0
[INFO] [stderr]    Compiling jobserver v0.1.26
[INFO] [stderr]    Compiling getrandom v0.2.9
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[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" "45020a36a67d8f37253223614f5d225286103d8d214332a2fa6887cde83f7ba7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45020a36a67d8f37253223614f5d225286103d8d214332a2fa6887cde83f7ba7", kill_on_drop: false }`
[INFO] [stdout] 45020a36a67d8f37253223614f5d225286103d8d214332a2fa6887cde83f7ba7
