[INFO] fetching crate ceres-std 0.2.0...
[INFO] testing ceres-std-0.2.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate ceres-std 0.2.0 into /workspace/builds/worker-102/source
[INFO] validating manifest of crates.io crate ceres-std 0.2.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ceres-std 0.2.0
[INFO] finished tweaking crates.io crate ceres-std 0.2.0
[INFO] tweaked toml for crates.io crate ceres-std 0.2.0 written to /workspace/builds/worker-102/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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" "+1.60.0" "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] 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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c55474c16eede61eb53b31b903610cc4b5ac9d75d6f772d0531efce0af263f69
[INFO] running `Command { std: "docker" "start" "-a" "c55474c16eede61eb53b31b903610cc4b5ac9d75d6f772d0531efce0af263f69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c55474c16eede61eb53b31b903610cc4b5ac9d75d6f772d0531efce0af263f69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c55474c16eede61eb53b31b903610cc4b5ac9d75d6f772d0531efce0af263f69", kill_on_drop: false }`
[INFO] [stdout] c55474c16eede61eb53b31b903610cc4b5ac9d75d6f772d0531efce0af263f69
[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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c8436cb2f55ba9b2bbfabeac5cb6dae1cac5ea359a9c6edc8aa530e20b0b941
[INFO] running `Command { std: "docker" "start" "-a" "2c8436cb2f55ba9b2bbfabeac5cb6dae1cac5ea359a9c6edc8aa530e20b0b941", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ceres-std v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: could not find `prelude` in `alloc`
[INFO] [stdout]  --> src/no_std.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     prelude::v1::Box,
[INFO] [stdout]   |     ^^^^^^^ could not find `prelude` in `alloc`
[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 E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ceres-std` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "2c8436cb2f55ba9b2bbfabeac5cb6dae1cac5ea359a9c6edc8aa530e20b0b941", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c8436cb2f55ba9b2bbfabeac5cb6dae1cac5ea359a9c6edc8aa530e20b0b941", kill_on_drop: false }`
[INFO] [stdout] 2c8436cb2f55ba9b2bbfabeac5cb6dae1cac5ea359a9c6edc8aa530e20b0b941