[INFO] fetching crate rust-netmap 0.0.7...
[INFO] testing rust-netmap-0.0.7 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate rust-netmap 0.0.7 into /workspace/builds/worker-31/source
[INFO] validating manifest of crates.io crate rust-netmap 0.0.7 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rust-netmap 0.0.7
[INFO] finished tweaking crates.io crate rust-netmap 0.0.7
[INFO] tweaked toml for crates.io crate rust-netmap 0.0.7 written to /workspace/builds/worker-31/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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" "+beta-2022-04-10" "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-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6c0e932e7a18ef8d4263e799564f61b1b79700d28bb09f4ae8d43316230e828a
[INFO] running `Command { std: "docker" "start" "-a" "6c0e932e7a18ef8d4263e799564f61b1b79700d28bb09f4ae8d43316230e828a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c0e932e7a18ef8d4263e799564f61b1b79700d28bb09f4ae8d43316230e828a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c0e932e7a18ef8d4263e799564f61b1b79700d28bb09f4ae8d43316230e828a", kill_on_drop: false }`
[INFO] [stdout] 6c0e932e7a18ef8d4263e799564f61b1b79700d28bb09f4ae8d43316230e828a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 160dee9beca1e7826194caf977274e5094e5aa309a5010ee0e199b8628382c50
[INFO] running `Command { std: "docker" "start" "-a" "160dee9beca1e7826194caf977274e5094e5aa309a5010ee0e199b8628382c50", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-netmap v0.0.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unknown lint: `unstable`
[INFO] [stdout]  --> build.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![allow(unstable)]
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unknown_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::old_io`
[INFO] [stdout]  --> build.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::old_io::Command;
[INFO] [stdout]   |          ^^^^^^ could not find `old_io` in `std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `getenv` in module `os`
[INFO] [stdout]  --> build.rs:9:23
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let out_dir = os::getenv("OUT_DIR").unwrap();
[INFO] [stdout]   |                       ^^^^^^ not found in `os`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `getenv` in module `os`
[INFO] [stdout]   --> build.rs:11:26
[INFO] [stdout]    |
[INFO] [stdout] 11 |     if let Some(_) = os::getenv("CARGO_FEATURE_NETMAP_WITH_LIBS") {
[INFO] [stdout]    |                          ^^^^^^ not found in `os`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> build.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(old_io, os)]
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> build.rs:3:20
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(old_io, os)]
[INFO] [stdout]   |                    ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `os` has been stable since 1.0.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> build.rs:3:20
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(old_io, os)]
[INFO] [stdout]   |                    ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `old_io`
[INFO] [stdout]  --> build.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(old_io, os)]
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0432, E0554, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-netmap` due to 7 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "160dee9beca1e7826194caf977274e5094e5aa309a5010ee0e199b8628382c50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "160dee9beca1e7826194caf977274e5094e5aa309a5010ee0e199b8628382c50", kill_on_drop: false }`
[INFO] [stdout] 160dee9beca1e7826194caf977274e5094e5aa309a5010ee0e199b8628382c50