[INFO] fetching crate art_p256 0.2.1...
[INFO] testing art_p256-0.2.1 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate art_p256 0.2.1 into /workspace/builds/worker-34/source
[INFO] validating manifest of crates.io crate art_p256 0.2.1 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate art_p256 0.2.1
[INFO] finished tweaking crates.io crate art_p256 0.2.1
[INFO] tweaked toml for crates.io crate art_p256 0.2.1 written to /workspace/builds/worker-34/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dec7dcde9959cfaf1d67077d4971d99099026161d6a923115d34f27d7345c840
[INFO] running `Command { std: "docker" "start" "-a" "dec7dcde9959cfaf1d67077d4971d99099026161d6a923115d34f27d7345c840", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dec7dcde9959cfaf1d67077d4971d99099026161d6a923115d34f27d7345c840", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dec7dcde9959cfaf1d67077d4971d99099026161d6a923115d34f27d7345c840", kill_on_drop: false }`
[INFO] [stdout] dec7dcde9959cfaf1d67077d4971d99099026161d6a923115d34f27d7345c840
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 323638cb6bb2dc58d35a735a098a5fba8b9d74f3a3b337103bfa3398ba10334d
[INFO] running `Command { std: "docker" "start" "-a" "323638cb6bb2dc58d35a735a098a5fba8b9d74f3a3b337103bfa3398ba10334d", kill_on_drop: false }`
[INFO] [stderr]    Compiling art_p256 v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "323638cb6bb2dc58d35a735a098a5fba8b9d74f3a3b337103bfa3398ba10334d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "323638cb6bb2dc58d35a735a098a5fba8b9d74f3a3b337103bfa3398ba10334d", kill_on_drop: false }`
[INFO] [stdout] 323638cb6bb2dc58d35a735a098a5fba8b9d74f3a3b337103bfa3398ba10334d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4761c95566d0c152c2c6425196d17932f9f6f9f5758f69dff512d9fda4e63dde
[INFO] running `Command { std: "docker" "start" "-a" "4761c95566d0c152c2c6425196d17932f9f6f9f5758f69dff512d9fda4e63dde", kill_on_drop: false }`
[INFO] [stderr]    Compiling art_p256 v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0463]: can't find crate for `P256`
[INFO] [stdout]  --> tests/ecdhe.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate P256;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^ can't find crate
[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 E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `art_p256` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "4761c95566d0c152c2c6425196d17932f9f6f9f5758f69dff512d9fda4e63dde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4761c95566d0c152c2c6425196d17932f9f6f9f5758f69dff512d9fda4e63dde", kill_on_drop: false }`
[INFO] [stdout] 4761c95566d0c152c2c6425196d17932f9f6f9f5758f69dff512d9fda4e63dde