[INFO] cloning repository https://github.com/Mathspy/birdsong
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Mathspy/birdsong" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMathspy%2Fbirdsong", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMathspy%2Fbirdsong'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 99d60fdc3359ff262d6d8ade6c5841977b86a717
[INFO] checking Mathspy/birdsong against master#c290daa1e5274a52e54a0f49e31bd70192abc606 for pr-133502-23
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMathspy%2Fbirdsong" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-6-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/Mathspy/birdsong
[INFO] finished tweaking git repo https://github.com/Mathspy/birdsong
[INFO] tweaked toml for git repo https://github.com/Mathspy/birdsong written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Mathspy/birdsong on toolchain c290daa1e5274a52e54a0f49e31bd70192abc606
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c290daa1e5274a52e54a0f49e31bd70192abc606" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Mathspy/birdsong 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" "+c290daa1e5274a52e54a0f49e31bd70192abc606" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded seize v0.5.1
[INFO] [stderr]   Downloaded papaya v0.2.3
[INFO] [stderr]   Downloaded logos-derive v0.16.0
[INFO] [stderr]   Downloaded logos v0.16.0
[INFO] [stderr]   Downloaded owo-colors v4.2.3
[INFO] [stderr]   Downloaded logos-codegen v0.16.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 60d1bfdec35a419e9b9b3b431a69665166d51d56b69666246477ad93834db941
[INFO] running `Command { std: "docker" "start" "60d1bfdec35a419e9b9b3b431a69665166d51d56b69666246477ad93834db941", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "60d1bfdec35a419e9b9b3b431a69665166d51d56b69666246477ad93834db941", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "60d1bfdec35a419e9b9b3b431a69665166d51d56b69666246477ad93834db941" "/opt/rustwide/cargo-home/bin/cargo" "+c290daa1e5274a52e54a0f49e31bd70192abc606" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "60d1bfdec35a419e9b9b3b431a69665166d51d56b69666246477ad93834db941", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "60d1bfdec35a419e9b9b3b431a69665166d51d56b69666246477ad93834db941" "/opt/rustwide/cargo-home/bin/cargo" "+c290daa1e5274a52e54a0f49e31bd70192abc606" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.178
[INFO] [stderr]    Compiling zerocopy v0.8.33
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]     Checking memchr v2.7.6
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]     Checking gimli v0.31.1
[INFO] [stderr]    Compiling owo-colors v4.2.3
[INFO] [stderr]    Compiling beef v0.5.2
[INFO] [stderr]     Checking is_ci v1.2.0
[INFO] [stderr]     Checking textwrap v0.16.2
[INFO] [stderr]     Checking supports-unicode v3.0.0
[INFO] [stderr]     Checking supports-hyperlinks v3.2.0
[INFO] [stderr]     Checking birdsong_ecma v0.1.0 (/opt/rustwide/workdir/crates/birdsong_ecma)
[INFO] [stderr]     Checking boxcar v0.2.14
[INFO] [stderr]    Compiling miette-derive v7.6.0
[INFO] [stderr]     Checking xtask v0.1.0 (/opt/rustwide/workdir/xtask)
[INFO] [stderr]     Checking supports-color v3.0.2
[INFO] [stderr]     Checking terminal_size v0.4.2
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking seize v0.5.1
[INFO] [stderr]     Checking papaya v0.2.3
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]     Checking ahash v0.8.12
[INFO] [stderr]     Checking addr2line v0.24.2
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking dashmap v6.1.0
[INFO] [stderr]     Checking lasso v0.7.3
[INFO] [stderr]     Checking backtrace v0.3.75
[INFO] [stderr]     Checking backtrace-ext v0.2.1
[INFO] [stderr]     Checking miette v7.6.0
[INFO] [stderr]    Compiling logos-codegen v0.16.0
[INFO] [stderr]    Compiling logos-derive v0.16.0
[INFO] [stderr]     Checking logos v0.16.0
[INFO] [stderr]     Checking birdsong v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `identifier` is never read
[INFO] [stdout]    --> src/hir.rs:502:9
[INFO] [stdout]     |
[INFO] [stdout] 500 | pub struct Effect {
[INFO] [stdout]     |            ------ field in this struct
[INFO] [stdout] 501 |     pub id: EffectId,
[INFO] [stdout] 502 |     pub identifier: Identifier,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Effect` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Total` is never constructed
[INFO] [stdout]   --> src/parse.rs:92:5
[INFO] [stdout]    |
[INFO] [stdout] 91 | pub enum Effects {
[INFO] [stdout]    |          ------- variant in this enum
[INFO] [stdout] 92 |     Total(Span),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Effects` 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 `identifier` is never read
[INFO] [stdout]    --> src/hir.rs:502:9
[INFO] [stdout]     |
[INFO] [stdout] 500 | pub struct Effect {
[INFO] [stdout]     |            ------ field in this struct
[INFO] [stdout] 501 |     pub id: EffectId,
[INFO] [stdout] 502 |     pub identifier: Identifier,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Effect` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Total` is never constructed
[INFO] [stdout]   --> src/parse.rs:92:5
[INFO] [stdout]    |
[INFO] [stdout] 91 | pub enum Effects {
[INFO] [stdout]    |          ------- variant in this enum
[INFO] [stdout] 92 |     Total(Span),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Effects` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.97s
[INFO] running `Command { std: "docker" "inspect" "60d1bfdec35a419e9b9b3b431a69665166d51d56b69666246477ad93834db941", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60d1bfdec35a419e9b9b3b431a69665166d51d56b69666246477ad93834db941", kill_on_drop: false }`
[INFO] [stdout] 60d1bfdec35a419e9b9b3b431a69665166d51d56b69666246477ad93834db941
