[INFO] cloning repository https://github.com/LLFourn/attest-cli
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LLFourn/attest-cli" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLLFourn%2Fattest-cli", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLLFourn%2Fattest-cli'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 11f66aae9be6242d3ed8b527c6ca4ef0c46324a2
[INFO] checking LLFourn/attest-cli against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLLFourn%2Fattest-cli" "/workspace/builds/worker-102/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-102/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LLFourn/attest-cli on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/LLFourn/attest-cli
[INFO] finished tweaking git repo https://github.com/LLFourn/attest-cli
[INFO] tweaked toml for git repo https://github.com/LLFourn/attest-cli written to /workspace/builds/worker-102/source/Cargo.toml
[INFO] crate git repo https://github.com/LLFourn/attest-cli already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded structopt-derive v0.4.10
[INFO] [stderr]   Downloaded hermit-abi v0.1.15
[INFO] [stderr]   Downloaded structopt v0.3.17
[INFO] [stderr]   Downloaded sha2 v0.9.1
[INFO] [stderr]   Downloaded cpuid-bool v0.1.2
[INFO] [stderr]   Downloaded subtle v2.2.3
[INFO] [stderr]   Downloaded crunchy v0.2.2
[INFO] [stderr]   Downloaded libc v0.2.76
[INFO] [stderr]   Downloaded proc-macro2 v1.0.19
[INFO] [stderr]   Downloaded syn v1.0.39
[INFO] [stderr]   Downloaded schnorr_fun v0.3.1
[INFO] [stderr]   Downloaded secp256kfun_parity_backend v0.1.2
[INFO] [stderr]   Downloaded secp256kfun v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9472abbb1cb6f965f865f8e5b1ed4f6fe28aaffadaf61976dbb1def094f38181
[INFO] running `Command { std: "docker" "start" "-a" "9472abbb1cb6f965f865f8e5b1ed4f6fe28aaffadaf61976dbb1def094f38181", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9472abbb1cb6f965f865f8e5b1ed4f6fe28aaffadaf61976dbb1def094f38181", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9472abbb1cb6f965f865f8e5b1ed4f6fe28aaffadaf61976dbb1def094f38181", kill_on_drop: false }`
[INFO] [stdout] 9472abbb1cb6f965f865f8e5b1ed4f6fe28aaffadaf61976dbb1def094f38181
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 16d805eca78e42d6e3dadb4794775c0d3e0c4fea2f8c5b36f38c57cf5e8acce8
[INFO] running `Command { std: "docker" "start" "-a" "16d805eca78e42d6e3dadb4794775c0d3e0c4fea2f8c5b36f38c57cf5e8acce8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling subtle v2.2.3
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking sha2 v0.9.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling secp256kfun_parity_backend v0.1.2
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling secp256kfun v0.3.1
[INFO] [stderr]    Compiling structopt-derive v0.4.10
[INFO] [stderr]     Checking structopt v0.3.17
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/secp256kfun-0.3.1/src/lib.rs:1:45
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(rustc_attrs, min_specialization, external_doc)]
[INFO] [stdout]   |                                             ^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: use #[doc = include_str!("filename")] instead, which handles macro invocations
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `secp256kfun` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "16d805eca78e42d6e3dadb4794775c0d3e0c4fea2f8c5b36f38c57cf5e8acce8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16d805eca78e42d6e3dadb4794775c0d3e0c4fea2f8c5b36f38c57cf5e8acce8", kill_on_drop: false }`
[INFO] [stdout] 16d805eca78e42d6e3dadb4794775c0d3e0c4fea2f8c5b36f38c57cf5e8acce8