[INFO] fetching crate syntax-rs 1.1.1...
[INFO] checking syntax-rs-1.1.1 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate syntax-rs 1.1.1 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate syntax-rs 1.1.1 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate syntax-rs 1.1.1
[INFO] finished tweaking crates.io crate syntax-rs 1.1.1
[INFO] tweaked toml for crates.io crate syntax-rs 1.1.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate syntax-rs 1.1.1 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aec215f64bd55843c8f88733a48256066ee33abbbe7faa94e8b981fc3aeb9118
[INFO] running `Command { std: "docker" "start" "-a" "aec215f64bd55843c8f88733a48256066ee33abbbe7faa94e8b981fc3aeb9118", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aec215f64bd55843c8f88733a48256066ee33abbbe7faa94e8b981fc3aeb9118", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aec215f64bd55843c8f88733a48256066ee33abbbe7faa94e8b981fc3aeb9118", kill_on_drop: false }`
[INFO] [stdout] aec215f64bd55843c8f88733a48256066ee33abbbe7faa94e8b981fc3aeb9118
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fdd6bbb272ccae8cdfab5e6dbf94c27ecf9b1081c0cc4065d436e14909d77e09
[INFO] running `Command { std: "docker" "start" "-a" "fdd6bbb272ccae8cdfab5e6dbf94c27ecf9b1081c0cc4065d436e14909d77e09", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-xid v0.2.3
[INFO] [stderr]     Checking syntax-rs v1.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]  --> examples/tokenizer.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct LitInt {
[INFO] [stdout]   |        ------ field in this struct
[INFO] [stdout] 9 |     value: i64,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `LitInt` 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 `val` is never read
[INFO] [stdout]   --> examples/tokenizer.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 42 | struct LitStr {
[INFO] [stdout]    |        ------ field in this struct
[INFO] [stdout] 43 |     val: String,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LitStr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> examples/tokenizer.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 63 |     Int(LitInt),
[INFO] [stdout]    |     --- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Literal` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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 |     Int(()),
[INFO] [stdout]    |         ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> examples/tokenizer.rs:64:12
[INFO] [stdout]    |
[INFO] [stdout] 64 |     String(LitStr),
[INFO] [stdout]    |     ------ ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Literal` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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] 64 |     String(()),
[INFO] [stdout]    |            ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> examples/tokenizer.rs:127:11
[INFO] [stdout]     |
[INFO] [stdout] 127 |     Ident(Ident),
[INFO] [stdout]     |     ----- ^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Symbol` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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] 127 |     Ident(()),
[INFO] [stdout]     |           ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> examples/tokenizer.rs:176:17
[INFO] [stdout]     |
[INFO] [stdout] 176 |     Punctuation(Punctuation),
[INFO] [stdout]     |     ----------- ^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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] 176 |     Punctuation(()),
[INFO] [stdout]     |                 ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> examples/tokenizer.rs:177:13
[INFO] [stdout]     |
[INFO] [stdout] 177 |     Literal(Literal),
[INFO] [stdout]     |     ------- ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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] 177 |     Literal(()),
[INFO] [stdout]     |             ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> examples/tokenizer.rs:178:12
[INFO] [stdout]     |
[INFO] [stdout] 178 |     Symbol(Symbol),
[INFO] [stdout]     |     ------ ^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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] 178 |     Symbol(()),
[INFO] [stdout]     |            ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.59s
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fdd6bbb272ccae8cdfab5e6dbf94c27ecf9b1081c0cc4065d436e14909d77e09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdd6bbb272ccae8cdfab5e6dbf94c27ecf9b1081c0cc4065d436e14909d77e09", kill_on_drop: false }`
[INFO] [stdout] fdd6bbb272ccae8cdfab5e6dbf94c27ecf9b1081c0cc4065d436e14909d77e09