[INFO] fetching crate panfix 0.4.0... [INFO] checking panfix-0.4.0 against try#de0e80659cee4f27282e60d63bbb8c5271a0d147 for pr-129392 [INFO] extracting crate panfix 0.4.0 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate panfix 0.4.0 on toolchain de0e80659cee4f27282e60d63bbb8c5271a0d147 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+de0e80659cee4f27282e60d63bbb8c5271a0d147" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate panfix 0.4.0 [INFO] finished tweaking crates.io crate panfix 0.4.0 [INFO] tweaked toml for crates.io crate panfix 0.4.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate crates.io crate panfix 0.4.0 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" "+de0e80659cee4f27282e60d63bbb8c5271a0d147" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+de0e80659cee4f27282e60d63bbb8c5271a0d147" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] dbc93a07db460d451e158696bcf4345a5fb24e32eb25a7489e0a76c12e878d7a [INFO] running `Command { std: "docker" "start" "-a" "dbc93a07db460d451e158696bcf4345a5fb24e32eb25a7489e0a76c12e878d7a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "dbc93a07db460d451e158696bcf4345a5fb24e32eb25a7489e0a76c12e878d7a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dbc93a07db460d451e158696bcf4345a5fb24e32eb25a7489e0a76c12e878d7a", kill_on_drop: false }` [INFO] [stdout] dbc93a07db460d451e158696bcf4345a5fb24e32eb25a7489e0a76c12e878d7a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+de0e80659cee4f27282e60d63bbb8c5271a0d147" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d28bf79d653b6238c4080e3ef2f9740b3724d81522f85be6c1b1f977b723a4b1 [INFO] running `Command { std: "docker" "start" "-a" "d28bf79d653b6238c4080e3ef2f9740b3724d81522f85be6c1b1f977b723a4b1", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling syn v1.0.44 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Checking regex-syntax v0.6.18 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking aho-corasick v0.7.13 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking regex v1.3.9 [INFO] [stderr] Compiling thiserror-impl v1.0.21 [INFO] [stderr] Checking thiserror v1.0.21 [INFO] [stderr] Checking panfix v0.4.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> examples/json.rs:24:12 [INFO] [stdout] | [INFO] [stdout] 24 | String(String), [INFO] [stdout] | ------ ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Json` 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] 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] 24 | String(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> examples/json.rs:25:12 [INFO] [stdout] | [INFO] [stdout] 25 | Number(f64), [INFO] [stdout] | ------ ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Json` 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] 25 | Number(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> examples/json.rs:26:13 [INFO] [stdout] | [INFO] [stdout] 26 | Boolean(bool), [INFO] [stdout] | ------- ^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Json` 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] 26 | Boolean(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> examples/json.rs:28:11 [INFO] [stdout] | [INFO] [stdout] 28 | Array(Vec), [INFO] [stdout] | ----- ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Json` 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] 28 | Array(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> examples/json.rs:29:12 [INFO] [stdout] | [INFO] [stdout] 29 | Object(HashMap), [INFO] [stdout] | ------ ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Json` 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] 29 | Object(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.15s [INFO] running `Command { std: "docker" "inspect" "d28bf79d653b6238c4080e3ef2f9740b3724d81522f85be6c1b1f977b723a4b1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d28bf79d653b6238c4080e3ef2f9740b3724d81522f85be6c1b1f977b723a4b1", kill_on_drop: false }` [INFO] [stdout] d28bf79d653b6238c4080e3ef2f9740b3724d81522f85be6c1b1f977b723a4b1