[INFO] fetching crate upon 0.8.0...
[INFO] checking upon-0.8.0 against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-2
[INFO] extracting crate upon 0.8.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate upon 0.8.0 on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate upon 0.8.0
[INFO] finished tweaking crates.io crate upon 0.8.0
[INFO] tweaked toml for crates.io crate upon 0.8.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate upon 0.8.0 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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 995244525f158f30dadfb9347b17f66a321e6b4201113f9fff9c54208207a61f
[INFO] running `Command { std: "docker" "start" "-a" "995244525f158f30dadfb9347b17f66a321e6b4201113f9fff9c54208207a61f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "995244525f158f30dadfb9347b17f66a321e6b4201113f9fff9c54208207a61f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "995244525f158f30dadfb9347b17f66a321e6b4201113f9fff9c54208207a61f", kill_on_drop: false }`
[INFO] [stdout] 995244525f158f30dadfb9347b17f66a321e6b4201113f9fff9c54208207a61f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb68e3495b986e1260c0301e00c0ab0a1030f4c371b63340ab0eee5446ee860c
[INFO] running `Command { std: "docker" "start" "-a" "cb68e3495b986e1260c0301e00c0ab0a1030f4c371b63340ab0eee5446ee860c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling serde v1.0.190
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]    Compiling serde_derive v1.0.190
[INFO] [stderr]     Checking upon v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `span` is never read
[INFO] [stdout]   --> src/types/ast.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct InlineExpr {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 27 |     pub expr: Expr,
[INFO] [stdout] 28 |     pub span: Span,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> src/types/program.rs:63:23
[INFO] [stdout]    |
[INFO] [stdout] 63 |     Apply(ast::Ident, Span, Option<ast::Args>),
[INFO] [stdout]    |     -----             ^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 63 |     Apply(ast::Ident, (), Option<ast::Args>),
[INFO] [stdout]    |                       ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `span` is never read
[INFO] [stdout]   --> src/types/ast.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct InlineExpr {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 27 |     pub expr: Expr,
[INFO] [stdout] 28 |     pub span: Span,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> src/types/program.rs:63:23
[INFO] [stdout]    |
[INFO] [stdout] 63 |     Apply(ast::Ident, Span, Option<ast::Args>),
[INFO] [stdout]    |     -----             ^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 63 |     Apply(ast::Ident, (), Option<ast::Args>),
[INFO] [stdout]    |                       ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.25s
[INFO] running `Command { std: "docker" "inspect" "cb68e3495b986e1260c0301e00c0ab0a1030f4c371b63340ab0eee5446ee860c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb68e3495b986e1260c0301e00c0ab0a1030f4c371b63340ab0eee5446ee860c", kill_on_drop: false }`
[INFO] [stdout] cb68e3495b986e1260c0301e00c0ab0a1030f4c371b63340ab0eee5446ee860c