[INFO] fetching crate msgpack 0.1.0...
[INFO] testing msgpack-0.1.0 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate msgpack 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate msgpack 0.1.0
[INFO] finished tweaking crates.io crate msgpack 0.1.0
[INFO] tweaked toml for crates.io crate msgpack 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate msgpack 0.1.0 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `msgpack` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 905688f67f8adf215a36e0aa9ca0568350a768c2ae67152d012feb35793e230e
[INFO] running `Command { std: "docker" "start" "905688f67f8adf215a36e0aa9ca0568350a768c2ae67152d012feb35793e230e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "905688f67f8adf215a36e0aa9ca0568350a768c2ae67152d012feb35793e230e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "905688f67f8adf215a36e0aa9ca0568350a768c2ae67152d012feb35793e230e" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "905688f67f8adf215a36e0aa9ca0568350a768c2ae67152d012feb35793e230e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "905688f67f8adf215a36e0aa9ca0568350a768c2ae67152d012feb35793e230e" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `msgpack` (manifest) generated 1 warning
[INFO] [stderr]    Compiling msgpack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0463]: can't find crate for `serialize`
[INFO] [stdout]  --> src/lib.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | extern crate serialize;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `std::io::MemWriter`, `std::io::IoResult`, `std::io::IoError`, `std::io::InvalidInput`
[INFO] [stdout]   --> src/lib.rs:10:26
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::io::{BufReader, MemWriter, IoResult, IoError, InvalidInput};
[INFO] [stdout]    |                          ^^^^^^^^^  ^^^^^^^^  ^^^^^^^  ^^^^^^^^^^^^ no `InvalidInput` in `io`
[INFO] [stdout]    |                          |          |         |
[INFO] [stdout]    |                          |          |         no `IoError` in `io`
[INFO] [stdout]    |                          |          no `IoResult` in `io`
[INFO] [stdout]    |                          no `MemWriter` in `io`
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider importing this variant instead:
[INFO] [stdout]            io::ErrorKind::InvalidInput
[INFO] [stdout] help: a similar name exists in the module
[INFO] [stdout]    |
[INFO] [stdout] 10 - use std::io::{BufReader, MemWriter, IoResult, IoError, InvalidInput};
[INFO] [stdout] 10 + use std::io::{BufReader, BufWriter, IoResult, IoError, InvalidInput};
[INFO] [stdout]    |
[INFO] [stdout] help: a similar name exists in the module
[INFO] [stdout]    |
[INFO] [stdout] 10 - use std::io::{BufReader, MemWriter, IoResult, IoError, InvalidInput};
[INFO] [stdout] 10 + use std::io::{BufReader, MemWriter, Result, IoError, InvalidInput};
[INFO] [stdout]    |
[INFO] [stdout] help: a similar name exists in the module
[INFO] [stdout]    |
[INFO] [stdout] 10 - use std::io::{BufReader, MemWriter, IoResult, IoError, InvalidInput};
[INFO] [stdout] 10 + use std::io::{BufReader, MemWriter, IoResult, Error, InvalidInput};
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `msgpack` (lib) due to 2 previous errors
[INFO] [stdout] Some errors have detailed explanations: E0432, E0463.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "905688f67f8adf215a36e0aa9ca0568350a768c2ae67152d012feb35793e230e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "905688f67f8adf215a36e0aa9ca0568350a768c2ae67152d012feb35793e230e", kill_on_drop: false }`
[INFO] [stdout] 905688f67f8adf215a36e0aa9ca0568350a768c2ae67152d012feb35793e230e
