[INFO] fetching crate env_int 0.2.0...
[INFO] testing env_int-0.2.0 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate env_int 0.2.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate env_int 0.2.0
[INFO] finished tweaking crates.io crate env_int 0.2.0
[INFO] tweaked toml for crates.io crate env_int 0.2.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate env_int 0.2.0 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "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" "+1.100.0-beta.1" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 6 packages to highest compatible versions
[INFO] [stderr]       Adding derive-syn-parse v0.1.5 (available: v0.2.0)
[INFO] [stderr]       Adding syn v2.0.119 (available: v3.0.9)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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] d9678c16aec500b431fb6e9a6ccfe058993df5608d830455b3799d7f913e57d5
[INFO] running `Command { std: "docker" "start" "d9678c16aec500b431fb6e9a6ccfe058993df5608d830455b3799d7f913e57d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d9678c16aec500b431fb6e9a6ccfe058993df5608d830455b3799d7f913e57d5", 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" "d9678c16aec500b431fb6e9a6ccfe058993df5608d830455b3799d7f913e57d5" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d9678c16aec500b431fb6e9a6ccfe058993df5608d830455b3799d7f913e57d5", 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" "d9678c16aec500b431fb6e9a6ccfe058993df5608d830455b3799d7f913e57d5" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]    Compiling derive-syn-parse v0.1.5
[INFO] [stderr]    Compiling env_int v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: cannot find `tracked_env` in `proc_macro`
[INFO] [stdout]   --> src/lib.rs:20:31
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let lit_int = proc_macro::tracked_env::var(&env_name.to_string()).map(|x| LitInt::new(&x, Span::call_site())).unwrap_or_else(|_|...
[INFO] [stdout]    |                               ^^^^^^^^^^^ could not find `tracked_env` in `proc_macro`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(proc_macro_tracked_env)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `str` cannot be known at compilation time
[INFO] [stdout]   --> src/lib.rs:20:76
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let lit_int = proc_macro::tracked_env::var(&env_name.to_string()).map(|x| LitInt::new(&x, Span::call_site())).unwrap_or_else(|_|...
[INFO] [stdout]    |                                                                            ^ doesn't have a size known at compile-time
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Sized` is not implemented for `str`
[INFO] [stdout]    = note: all function arguments must have a statically known size
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0433, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `env_int` (lib) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "d9678c16aec500b431fb6e9a6ccfe058993df5608d830455b3799d7f913e57d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9678c16aec500b431fb6e9a6ccfe058993df5608d830455b3799d7f913e57d5", kill_on_drop: false }`
[INFO] [stdout] d9678c16aec500b431fb6e9a6ccfe058993df5608d830455b3799d7f913e57d5
