[INFO] cloning repository https://github.com/WilliamVenner/env_ast
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/WilliamVenner/env_ast" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWilliamVenner%2Fenv_ast", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWilliamVenner%2Fenv_ast'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] af0998085586ae4201750bb45dc14d2dd89327be
[INFO] checking WilliamVenner/env_ast/af0998085586ae4201750bb45dc14d2dd89327be against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWilliamVenner%2Fenv_ast" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/WilliamVenner/env_ast on toolchain 4d98531622e1718ae0bc3c7a1ab9cd8938428452
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/WilliamVenner/env_ast
[INFO] finished tweaking git repo https://github.com/WilliamVenner/env_ast
[INFO] tweaked toml for git repo https://github.com/WilliamVenner/env_ast written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/WilliamVenner/env_ast already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 92a0a16555cf50e72b79a176f884645424bb85e6cdf00f010b6e8f06432a0818
[INFO] running `Command { std: "docker" "start" "-a" "92a0a16555cf50e72b79a176f884645424bb85e6cdf00f010b6e8f06432a0818", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "92a0a16555cf50e72b79a176f884645424bb85e6cdf00f010b6e8f06432a0818", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92a0a16555cf50e72b79a176f884645424bb85e6cdf00f010b6e8f06432a0818", kill_on_drop: false }`
[INFO] [stdout] 92a0a16555cf50e72b79a176f884645424bb85e6cdf00f010b6e8f06432a0818
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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 -Dtail_expr_drop_order" "-e" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 92e8673fc7c24f3fc725b0f87f8ebc37bd7c8845871298ccaf7ec606ec958ece
[INFO] running `Command { std: "docker" "start" "-a" "92e8673fc7c24f3fc725b0f87f8ebc37bd7c8845871298ccaf7ec606ec958ece", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]     Checking unicode-xid v0.2.2
[INFO] [stderr]     Checking quote v1.0.15
[INFO] [stderr]     Checking env_ast v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/lib.rs:69:61
[INFO] [stdout]    |
[INFO] [stdout] 69 |     let env_var = std::env::var(env_name).ok().map(|var| match var.parse::<TokenStream>() {
[INFO] [stdout]    |                                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout]    = note: requested on the command line with `-D tail-expr-drop-order`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/lib.rs:75:34
[INFO] [stdout]    |
[INFO] [stdout] 75 |         1 => env_var.unwrap_or_else(|| "compile_error!(\"Environment variable not present\")".parse().unwrap()),
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/lib.rs:69:61
[INFO] [stdout]    |
[INFO] [stdout] 69 |     let env_var = std::env::var(env_name).ok().map(|var| match var.parse::<TokenStream>() {
[INFO] [stdout]    |                                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout]    = note: requested on the command line with `-D tail-expr-drop-order`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/lib.rs:75:34
[INFO] [stdout]    |
[INFO] [stdout] 75 |         1 => env_var.unwrap_or_else(|| "compile_error!(\"Environment variable not present\")".parse().unwrap()),
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/lib.rs:76:34
[INFO] [stdout]    |
[INFO] [stdout] 76 |         2 => env_var.unwrap_or_else(|| args[1].to_token_stream().into()),
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/lib.rs:76:34
[INFO] [stdout]    |
[INFO] [stdout] 76 |         2 => env_var.unwrap_or_else(|| args[1].to_token_stream().into()),
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `env_ast` (lib) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `env_ast` (lib test) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "92e8673fc7c24f3fc725b0f87f8ebc37bd7c8845871298ccaf7ec606ec958ece", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92e8673fc7c24f3fc725b0f87f8ebc37bd7c8845871298ccaf7ec606ec958ece", kill_on_drop: false }`
[INFO] [stdout] 92e8673fc7c24f3fc725b0f87f8ebc37bd7c8845871298ccaf7ec606ec958ece