[INFO] fetching crate wascc-fs 0.1.2...
[INFO] checking wascc-fs-0.1.2 against master#5ad98b4026d5172f27615b105658bc8bfd677be8 for pr-129422
[INFO] extracting crate wascc-fs 0.1.2 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate wascc-fs 0.1.2 on toolchain 5ad98b4026d5172f27615b105658bc8bfd677be8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5ad98b4026d5172f27615b105658bc8bfd677be8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wascc-fs 0.1.2
[INFO] finished tweaking crates.io crate wascc-fs 0.1.2
[INFO] tweaked toml for crates.io crate wascc-fs 0.1.2 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5ad98b4026d5172f27615b105658bc8bfd677be8" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 45 packages to latest compatible versions
[INFO] [stderr]       Adding env_logger v0.7.1 (latest: v0.11.5)
[INFO] [stderr]       Adding hermit-abi v0.1.19 (latest: v0.4.0)
[INFO] [stderr]       Adding humantime v1.3.0 (latest: v2.1.0)
[INFO] [stderr]       Adding quick-error v1.2.3 (latest: v2.0.1)
[INFO] [stderr]       Adding rmp-serde v0.14.4 (latest: v1.3.0)
[INFO] [stderr]       Adding wascc-codec v0.8.1 (latest: v0.9.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5ad98b4026d5172f27615b105658bc8bfd677be8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wascc-codec v0.8.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+5ad98b4026d5172f27615b105658bc8bfd677be8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0351cd4a70fcb14f6a1e578b8897678c6a6cdd813e530974dc53a9d2e34b4b97
[INFO] running `Command { std: "docker" "start" "-a" "0351cd4a70fcb14f6a1e578b8897678c6a6cdd813e530974dc53a9d2e34b4b97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0351cd4a70fcb14f6a1e578b8897678c6a6cdd813e530974dc53a9d2e34b4b97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0351cd4a70fcb14f6a1e578b8897678c6a6cdd813e530974dc53a9d2e34b4b97", kill_on_drop: false }`
[INFO] [stdout] 0351cd4a70fcb14f6a1e578b8897678c6a6cdd813e530974dc53a9d2e34b4b97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+5ad98b4026d5172f27615b105658bc8bfd677be8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ccbfb46c2da3b03d9fb4cc48979d3b1f14576d9b32f38e53a40cb87ab49e184b
[INFO] running `Command { std: "docker" "start" "-a" "ccbfb46c2da3b03d9fb4cc48979d3b1f14576d9b32f38e53a40cb87ab49e184b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]     Checking serde_json v1.0.127
[INFO] [stderr]     Checking serde_bytes v0.11.15
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]     Checking rmp v0.8.14
[INFO] [stderr]     Checking rmp-serde v0.14.4
[INFO] [stderr]    Compiling serde_derive v1.0.209
[INFO] [stderr]     Checking wascc-codec v0.8.1
[INFO] [stderr]     Checking wascc-fs v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `ReadPlus` is never used
[INFO] [stdout]   --> src/chunks.rs:51:18
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub(crate) trait ReadPlus: Read {
[INFO] [stdout]    |                  ^^^^^^^^
[INFO] [stdout]    |
[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: trait `ReadPlus` is never used
[INFO] [stdout]   --> src/chunks.rs:51:18
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub(crate) trait ReadPlus: Read {
[INFO] [stdout]    |                  ^^^^^^^^
[INFO] [stdout]    |
[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 7.42s
[INFO] running `Command { std: "docker" "inspect" "ccbfb46c2da3b03d9fb4cc48979d3b1f14576d9b32f38e53a40cb87ab49e184b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccbfb46c2da3b03d9fb4cc48979d3b1f14576d9b32f38e53a40cb87ab49e184b", kill_on_drop: false }`
[INFO] [stdout] ccbfb46c2da3b03d9fb4cc48979d3b1f14576d9b32f38e53a40cb87ab49e184b