[INFO] fetching crate wasm-parser 0.2.2...
[INFO] building wasm-parser-0.2.2 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate wasm-parser 0.2.2 into /workspace/builds/worker-6-tc1/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-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate wasm-parser 0.2.2 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded threadpool v1.8.1
[INFO] [stderr]   Downloaded leb128 v0.2.5
[INFO] [stderr]   Downloaded colored v2.2.0
[INFO] [stderr]   Downloaded wasm-encoder v0.23.0
[INFO] [stderr]   Downloaded wasm-coredump-builder v0.2.2
[INFO] [stderr]   Downloaded core-wasm-ast v0.2.2
[INFO] [stderr]   Downloaded wasm-coredump-encoder v0.2.2
[INFO] [stderr]   Downloaded wasm-coredump-types v0.2.2
[INFO] [stderr]   Downloaded wasm-printer v0.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4a867b8cce5f444f26bf8f59321b9144d37b8b933e6c32c77598ef5261e9e80b
[INFO] running `Command { std: "docker" "start" "-a" "4a867b8cce5f444f26bf8f59321b9144d37b8b933e6c32c77598ef5261e9e80b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a867b8cce5f444f26bf8f59321b9144d37b8b933e6c32c77598ef5261e9e80b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a867b8cce5f444f26bf8f59321b9144d37b8b933e6c32c77598ef5261e9e80b", kill_on_drop: false }`
[INFO] [stdout] 4a867b8cce5f444f26bf8f59321b9144d37b8b933e6c32c77598ef5261e9e80b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c7c2680cfa2acf0c06ee846be9f533e3127f666b46ed0185d5e04c8fd42ca15c
[INFO] running `Command { std: "docker" "start" "-a" "c7c2680cfa2acf0c06ee846be9f533e3127f666b46ed0185d5e04c8fd42ca15c", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]    Compiling wasm-coredump-types v0.2.2
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling humantime v2.3.0
[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 17.61s
[INFO] running `Command { std: "docker" "inspect" "c7c2680cfa2acf0c06ee846be9f533e3127f666b46ed0185d5e04c8fd42ca15c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7c2680cfa2acf0c06ee846be9f533e3127f666b46ed0185d5e04c8fd42ca15c", kill_on_drop: false }`
[INFO] [stdout] c7c2680cfa2acf0c06ee846be9f533e3127f666b46ed0185d5e04c8fd42ca15c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 36bf5486b20b67465f83ba40396ae52a5f58c9e0e8d86b109bc3dba4ec95ddf7
[INFO] running `Command { std: "docker" "start" "-a" "36bf5486b20b67465f83ba40396ae52a5f58c9e0e8d86b109bc3dba4ec95ddf7", 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 3.52s
[INFO] running `Command { std: "docker" "inspect" "36bf5486b20b67465f83ba40396ae52a5f58c9e0e8d86b109bc3dba4ec95ddf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36bf5486b20b67465f83ba40396ae52a5f58c9e0e8d86b109bc3dba4ec95ddf7", kill_on_drop: false }`
[INFO] [stdout] 36bf5486b20b67465f83ba40396ae52a5f58c9e0e8d86b109bc3dba4ec95ddf7