[INFO] cloning repository https://github.com/gemtek-indonesia/blake2b256-bench
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gemtek-indonesia/blake2b256-bench" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgemtek-indonesia%2Fblake2b256-bench", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgemtek-indonesia%2Fblake2b256-bench'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 379e4791c1a3b89663c03e07c739ebcba3542e72
[INFO] checking gemtek-indonesia/blake2b256-bench/379e4791c1a3b89663c03e07c739ebcba3542e72 against master#8c52f735abd1af9a73941b78fe7ed2ab08b9c0dd for pr-150557
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgemtek-indonesia%2Fblake2b256-bench" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-6-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/gemtek-indonesia/blake2b256-bench
[INFO] finished tweaking git repo https://github.com/gemtek-indonesia/blake2b256-bench
[INFO] tweaked toml for git repo https://github.com/gemtek-indonesia/blake2b256-bench written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/gemtek-indonesia/blake2b256-bench on toolchain 8c52f735abd1af9a73941b78fe7ed2ab08b9c0dd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c52f735abd1af9a73941b78fe7ed2ab08b9c0dd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/gemtek-indonesia/blake2b256-bench 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" "+8c52f735abd1af9a73941b78fe7ed2ab08b9c0dd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded terminal_size v0.2.3
[INFO] [stderr]   Downloaded kdam v0.3.0
[INFO] [stderr]   Downloaded mimalloc v0.1.34
[INFO] [stderr]   Downloaded libmimalloc-sys v0.1.30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+8c52f735abd1af9a73941b78fe7ed2ab08b9c0dd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 266d0f0039f6b64308113e7cc47af5c6ddffb277417fdb493e5511e4b3415115
[INFO] running `Command { std: "docker" "start" "-a" "266d0f0039f6b64308113e7cc47af5c6ddffb277417fdb493e5511e4b3415115", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "266d0f0039f6b64308113e7cc47af5c6ddffb277417fdb493e5511e4b3415115", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "266d0f0039f6b64308113e7cc47af5c6ddffb277417fdb493e5511e4b3415115", kill_on_drop: false }`
[INFO] [stdout] 266d0f0039f6b64308113e7cc47af5c6ddffb277417fdb493e5511e4b3415115
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+8c52f735abd1af9a73941b78fe7ed2ab08b9c0dd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08d3645cb6ad49091b84c7b3f06b0c5ecabb0b3621172b27fb50c1c029ca5ce6
[INFO] running `Command { std: "docker" "start" "-a" "08d3645cb6ad49091b84c7b3f06b0c5ecabb0b3621172b27fb50c1c029ca5ce6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling io-lifetimes v1.0.5
[INFO] [stderr]    Compiling rustix v0.36.8
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking block-buffer v0.10.3
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]    Compiling anyhow v1.0.69
[INFO] [stderr]     Checking digest v0.10.6
[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] help: there is a feature with a similar name: `proc_macro_span_file`
[INFO] [stdout]    |
[INFO] [stdout] 92 -     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout] 92 +     feature(proc_macro_span, proc_macro_span_file)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]     Checking blake2 v0.10.6
[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" "08d3645cb6ad49091b84c7b3f06b0c5ecabb0b3621172b27fb50c1c029ca5ce6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08d3645cb6ad49091b84c7b3f06b0c5ecabb0b3621172b27fb50c1c029ca5ce6", kill_on_drop: false }`
[INFO] [stdout] 08d3645cb6ad49091b84c7b3f06b0c5ecabb0b3621172b27fb50c1c029ca5ce6