[INFO] cloning repository https://github.com/37flwr/image-storage-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/37flwr/image-storage-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F37flwr%2Fimage-storage-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F37flwr%2Fimage-storage-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] deebe7be360fbd3f4ea7ae2d0f384870246a79a2
[INFO] checking 37flwr/image-storage-rs against master#779e19d8baa3e3625bd4fc5c85cbb2ad47b43155 for pr-147589-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F37flwr%2Fimage-storage-rs" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/37flwr/image-storage-rs
[INFO] finished tweaking git repo https://github.com/37flwr/image-storage-rs
[INFO] tweaked toml for git repo https://github.com/37flwr/image-storage-rs written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/37flwr/image-storage-rs on toolchain 779e19d8baa3e3625bd4fc5c85cbb2ad47b43155
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/37flwr/image-storage-rs 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" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded simd-adler32 v0.3.4
[INFO] [stderr]   Downloaded zip v0.2.8
[INFO] [stderr]   Downloaded msdos_time v0.1.6
[INFO] [stderr]   Downloaded error-chain v0.10.0
[INFO] [stderr]   Downloaded ascii_converter v0.3.0
[INFO] [stderr]   Downloaded addr2line v0.19.0
[INFO] [stderr]   Downloaded memchr v1.0.2
[INFO] [stderr]   Downloaded backtrace v0.3.67
[INFO] [stderr]   Downloaded podio v0.1.7
[INFO] [stderr]   Downloaded exr v1.5.3
[INFO] [stderr]   Downloaded object v0.30.3
[INFO] [stderr]   Downloaded spin v0.9.5
[INFO] [stderr]   Downloaded zune-inflate v0.2.50
[INFO] [stderr]   Downloaded gimli v0.27.2
[INFO] [stderr]   Downloaded quick-xml v0.9.4
[INFO] [stderr]   Downloaded dotext v0.1.1
[INFO] [stderr]   Downloaded encoding_rs v0.7.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 48a62986098a6e9d07f8f6e4dee7bf876ae77c7f9f53f7b9f5471844283b4e7e
[INFO] running `Command { std: "docker" "start" "-a" "48a62986098a6e9d07f8f6e4dee7bf876ae77c7f9f53f7b9f5471844283b4e7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48a62986098a6e9d07f8f6e4dee7bf876ae77c7f9f53f7b9f5471844283b4e7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48a62986098a6e9d07f8f6e4dee7bf876ae77c7f9f53f7b9f5471844283b4e7e", kill_on_drop: false }`
[INFO] [stdout] 48a62986098a6e9d07f8f6e4dee7bf876ae77c7f9f53f7b9f5471844283b4e7e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e7aa21093e412de12fe350915fcae414b284a0640e091fbc6d311b3321acba05
[INFO] running `Command { std: "docker" "start" "-a" "e7aa21093e412de12fe350915fcae414b284a0640e091fbc6d311b3321acba05", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking crc32fast v1.3.2
[INFO] [stderr]    Compiling backtrace v0.3.67
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]    Compiling futures-core v0.3.26
[INFO] [stderr]     Checking flate2 v1.0.25
[INFO] [stderr]     Checking gimli v0.27.2
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking spin v0.9.5
[INFO] [stderr]     Checking weezl v0.1.7
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking simd-adler32 v0.3.4
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.51/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]     Checking object v0.30.3
[INFO] [stderr]     Checking futures-sink v0.3.26
[INFO] [stderr]     Checking encoding_rs v0.7.2
[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" "e7aa21093e412de12fe350915fcae414b284a0640e091fbc6d311b3321acba05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7aa21093e412de12fe350915fcae414b284a0640e091fbc6d311b3321acba05", kill_on_drop: false }`
[INFO] [stdout] e7aa21093e412de12fe350915fcae414b284a0640e091fbc6d311b3321acba05
