[INFO] fetching crate pic 0.1.4...
[INFO] testing pic-0.1.4 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8
[INFO] extracting crate pic 0.1.4 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate pic 0.1.4
[INFO] finished tweaking crates.io crate pic 0.1.4
[INFO] tweaked toml for crates.io crate pic 0.1.4 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pic 0.1.4 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 pic 0.1.4 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] abed023e45a25bd0618109b7dd48ce9a955755d1bb0395921b9df9b688f569ef
[INFO] running `Command { std: "docker" "start" "-a" "abed023e45a25bd0618109b7dd48ce9a955755d1bb0395921b9df9b688f569ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "abed023e45a25bd0618109b7dd48ce9a955755d1bb0395921b9df9b688f569ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abed023e45a25bd0618109b7dd48ce9a955755d1bb0395921b9df9b688f569ef", kill_on_drop: false }`
[INFO] [stdout] abed023e45a25bd0618109b7dd48ce9a955755d1bb0395921b9df9b688f569ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 462a0915f46c2d56c6fb178117950b3ea270409fb323ab4d6554a9466f7b4bf5
[INFO] running `Command { std: "docker" "start" "-a" "462a0915f46c2d56c6fb178117950b3ea270409fb323ab4d6554a9466f7b4bf5", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.52
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]    Compiling io-lifetimes v1.0.7
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling rustix v0.36.9
[INFO] [stderr]    Compiling miniz_oxide v0.6.2
[INFO] [stderr]    Compiling futures-core v0.3.27
[INFO] [stderr]    Compiling linux-raw-sys v0.1.4
[INFO] [stderr]    Compiling make-cmd v0.1.0
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling futures-sink v0.3.27
[INFO] [stderr]    Compiling sixel-sys v0.3.1
[INFO] [stderr]    Compiling simd-adler32 v0.3.5
[INFO] [stderr]    Compiling weezl v0.1.7
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling bit_field v0.10.2
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling flate2 v1.0.25
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling zune-inflate v0.2.51
[INFO] [stderr]    Compiling os_str_bytes v6.4.1
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling lebe v0.5.2
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling half v2.2.1
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling spin v0.9.6
[INFO] [stderr]    Compiling gif v0.11.4
[INFO] [stderr]    Compiling png v0.17.7
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.52/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 bytemuck v1.13.1
[INFO] [stderr]    Compiling clap_lex v0.3.3
[INFO] [stderr]    Compiling once_cell v1.17.1
[INFO] [stderr]    Compiling termcolor v1.2.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling fastrand v1.9.0
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling sixel-rs v0.3.3
[INFO] [stderr]    Compiling wild v2.1.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.7
[INFO] [stderr]    Compiling ansi_colours v1.2.1
[INFO] [stderr]    Compiling base64 v0.21.0
[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" "462a0915f46c2d56c6fb178117950b3ea270409fb323ab4d6554a9466f7b4bf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "462a0915f46c2d56c6fb178117950b3ea270409fb323ab4d6554a9466f7b4bf5", kill_on_drop: false }`
[INFO] [stdout] 462a0915f46c2d56c6fb178117950b3ea270409fb323ab4d6554a9466f7b4bf5