[INFO] fetching crate wasm-parser 0.2.2...
[INFO] building wasm-parser-0.2.2 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate wasm-parser 0.2.2 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate wasm-parser 0.2.2
[INFO] finished tweaking crates.io crate wasm-parser 0.2.2
[INFO] tweaked toml for crates.io crate wasm-parser 0.2.2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate wasm-parser 0.2.2 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 43 packages to latest compatible versions
[INFO] [stderr]       Adding env_logger v0.9.3 (available: v0.11.8)
[INFO] [stderr]       Adding nom v7.1.3 (available: v8.0.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9088d6dbfb5ec071fa1b1be4dbea6eac823aa6d5d54da57d7270414ea7a7bf9d
[INFO] running `Command { std: "docker" "start" "-a" "9088d6dbfb5ec071fa1b1be4dbea6eac823aa6d5d54da57d7270414ea7a7bf9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9088d6dbfb5ec071fa1b1be4dbea6eac823aa6d5d54da57d7270414ea7a7bf9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9088d6dbfb5ec071fa1b1be4dbea6eac823aa6d5d54da57d7270414ea7a7bf9d", kill_on_drop: false }`
[INFO] [stdout] 9088d6dbfb5ec071fa1b1be4dbea6eac823aa6d5d54da57d7270414ea7a7bf9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 608ac1c15ba1648f379c9a27a475c9d59cabb5bb08646802cb30f03f9fbed532
[INFO] running `Command { std: "docker" "start" "-a" "608ac1c15ba1648f379c9a27a475c9d59cabb5bb08646802cb30f03f9fbed532", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling humantime v2.3.0
[INFO] [stderr]    Compiling wasm-coredump-types v0.2.2
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling leb128 v0.2.5
[INFO] [stderr]    Compiling threadpool v1.8.1
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling core-wasm-ast v0.2.2
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling regex v1.11.3
[INFO] [stderr]    Compiling env_logger v0.9.3
[INFO] [stderr]    Compiling wasm-parser v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/lib.rs:15:31
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub(crate) struct ParserError(String);
[INFO] [stdout]    |                   ----------- ^^^^^^
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `ParserError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.41s
[INFO] running `Command { std: "docker" "inspect" "608ac1c15ba1648f379c9a27a475c9d59cabb5bb08646802cb30f03f9fbed532", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "608ac1c15ba1648f379c9a27a475c9d59cabb5bb08646802cb30f03f9fbed532", kill_on_drop: false }`
[INFO] [stdout] 608ac1c15ba1648f379c9a27a475c9d59cabb5bb08646802cb30f03f9fbed532
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 04bf29a338a193a760df1e92eacbe556e1e44215750fae1ed36777345e4560f2
[INFO] running `Command { std: "docker" "start" "-a" "04bf29a338a193a760df1e92eacbe556e1e44215750fae1ed36777345e4560f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasm-coredump-encoder v0.2.2
[INFO] [stderr]    Compiling wasm-encoder v0.23.0
[INFO] [stderr]    Compiling colored v2.2.0
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/lib.rs:15:31
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub(crate) struct ParserError(String);
[INFO] [stdout]    |                   ----------- ^^^^^^
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `ParserError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling wasm-printer v0.2.2
[INFO] [stderr]    Compiling wasm-coredump-builder v0.2.2
[INFO] [stderr]    Compiling wasm-parser v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/lib.rs:15:31
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub(crate) struct ParserError(String);
[INFO] [stdout]    |                   ----------- ^^^^^^
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `ParserError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.97s
[INFO] running `Command { std: "docker" "inspect" "04bf29a338a193a760df1e92eacbe556e1e44215750fae1ed36777345e4560f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04bf29a338a193a760df1e92eacbe556e1e44215750fae1ed36777345e4560f2", kill_on_drop: false }`
[INFO] [stdout] 04bf29a338a193a760df1e92eacbe556e1e44215750fae1ed36777345e4560f2