[INFO] fetching crate env_proc 0.1.0...
[INFO] checking env_proc-0.1.0 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate env_proc 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate env_proc 0.1.0
[INFO] finished tweaking crates.io crate env_proc 0.1.0
[INFO] tweaked toml for crates.io crate env_proc 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate env_proc 0.1.0 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 24 packages to latest compatible versions
[INFO] [stderr]       Adding proc-macro2 v0.4.30 (available: v1.0.95)
[INFO] [stderr]       Adding quote v0.6.13 (available: v1.0.40)
[INFO] [stderr]       Adding serde_yaml v0.8.26 (available: v0.9.34+deprecated)
[INFO] [stderr]       Adding syn v0.15.44 (available: v2.0.104)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7251e888123003579ad19bf4c66770c4a5d8ce9c10c88db05f15b0cecbd0edc1
[INFO] running `Command { std: "docker" "start" "-a" "7251e888123003579ad19bf4c66770c4a5d8ce9c10c88db05f15b0cecbd0edc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7251e888123003579ad19bf4c66770c4a5d8ce9c10c88db05f15b0cecbd0edc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7251e888123003579ad19bf4c66770c4a5d8ce9c10c88db05f15b0cecbd0edc1", kill_on_drop: false }`
[INFO] [stdout] 7251e888123003579ad19bf4c66770c4a5d8ce9c10c88db05f15b0cecbd0edc1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 313315d9411c8326dac9ff8060f5e9ba947f9626b07863d2ad4eeee4189df9ed
[INFO] running `Command { std: "docker" "start" "-a" "313315d9411c8326dac9ff8060f5e9ba947f9626b07863d2ad4eeee4189df9ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]     Checking serde_yaml v0.8.26
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking Inflector v0.11.4
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling env_proc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `ident` is never read
[INFO] [stdout]   --> src/lib.rs:14:15
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Invalid { ident: String, span: Span },
[INFO] [stdout]    |     -------   ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Item` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `ident` is never read
[INFO] [stdout]   --> src/lib.rs:14:15
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Invalid { ident: String, span: Span },
[INFO] [stdout]    |     -------   ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Item` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `ident` is never read
[INFO] [stdout]   --> src/lib.rs:14:15
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Invalid { ident: String, span: Span },
[INFO] [stdout]    |     -------   ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Item` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 33.30s
[INFO] running `Command { std: "docker" "inspect" "313315d9411c8326dac9ff8060f5e9ba947f9626b07863d2ad4eeee4189df9ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "313315d9411c8326dac9ff8060f5e9ba947f9626b07863d2ad4eeee4189df9ed", kill_on_drop: false }`
[INFO] [stdout] 313315d9411c8326dac9ff8060f5e9ba947f9626b07863d2ad4eeee4189df9ed