[INFO] fetching crate wasm-parser 0.1.22...
[INFO] checking wasm-parser-0.1.22 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] extracting crate wasm-parser 0.1.22 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate wasm-parser 0.1.22 on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wasm-parser 0.1.22
[INFO] finished tweaking crates.io crate wasm-parser 0.1.22
[INFO] tweaked toml for crates.io crate wasm-parser 0.1.22 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 51 packages to latest compatible versions
[INFO] [stderr]       Adding env_logger v0.9.3 (latest: v0.11.5)
[INFO] [stderr]       Adding hermit-abi v0.1.19 (latest: v0.4.0)
[INFO] [stderr]       Adding hermit-abi v0.3.9 (latest: v0.4.0)
[INFO] [stderr]       Adding wasm-encoder v0.23.0 (latest: v0.216.0)
[INFO] [stderr]       Adding windows-sys v0.48.0 (latest: v0.59.0)
[INFO] [stderr]       Adding windows-targets v0.48.5 (latest: v0.52.6)
[INFO] [stderr]       Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.6)
[INFO] [stderr]       Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.6)
[INFO] [stderr]       Adding windows_i686_gnu v0.48.5 (latest: v0.52.6)
[INFO] [stderr]       Adding windows_i686_msvc v0.48.5 (latest: v0.52.6)
[INFO] [stderr]       Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.6)
[INFO] [stderr]       Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.6)
[INFO] [stderr]       Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.6)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-printer v0.1.22
[INFO] [stderr]   Downloaded wasm-encoder v0.23.0
[INFO] [stderr]   Downloaded wasm-coredump-types v0.1.22
[INFO] [stderr]   Downloaded wasm-coredump-builder v0.1.22
[INFO] [stderr]   Downloaded core-wasm-ast v0.1.22
[INFO] [stderr]   Downloaded wasm-coredump-encoder v0.1.22
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 74c7907bc894b27c1f6ae853316c7683e086e9d38e5d420cecba289609127470
[INFO] running `Command { std: "docker" "start" "-a" "74c7907bc894b27c1f6ae853316c7683e086e9d38e5d420cecba289609127470", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74c7907bc894b27c1f6ae853316c7683e086e9d38e5d420cecba289609127470", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74c7907bc894b27c1f6ae853316c7683e086e9d38e5d420cecba289609127470", kill_on_drop: false }`
[INFO] [stdout] 74c7907bc894b27c1f6ae853316c7683e086e9d38e5d420cecba289609127470
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 473b85ae8be454aa53c33d1375c2104a0e3ab362fe76f8cc33efcad9746a12e2
[INFO] running `Command { std: "docker" "start" "-a" "473b85ae8be454aa53c33d1375c2104a0e3ab362fe76f8cc33efcad9746a12e2", kill_on_drop: false }`
[INFO] [stderr]     Checking wasm-coredump-types v0.1.22
[INFO] [stderr]     Checking leb128 v0.2.5
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking colored v2.1.0
[INFO] [stderr]     Checking wasm-coredump-encoder v0.1.22
[INFO] [stderr]     Checking wasm-encoder v0.23.0
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking core-wasm-ast v0.1.22
[INFO] [stderr]     Checking wasm-printer v0.1.22
[INFO] [stderr]     Checking wasm-coredump-builder v0.1.22
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]     Checking regex v1.10.6
[INFO] [stderr]     Checking env_logger v0.9.3
[INFO] [stderr]     Checking wasm-parser v0.1.22 (/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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.63s
[INFO] running `Command { std: "docker" "inspect" "473b85ae8be454aa53c33d1375c2104a0e3ab362fe76f8cc33efcad9746a12e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "473b85ae8be454aa53c33d1375c2104a0e3ab362fe76f8cc33efcad9746a12e2", kill_on_drop: false }`
[INFO] [stdout] 473b85ae8be454aa53c33d1375c2104a0e3ab362fe76f8cc33efcad9746a12e2