[INFO] fetching crate source-demo-tool 0.9.2...
[INFO] checking source-demo-tool-0.9.2 against master#5ad98b4026d5172f27615b105658bc8bfd677be8 for pr-129422
[INFO] extracting crate source-demo-tool 0.9.2 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate source-demo-tool 0.9.2 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 source-demo-tool 0.9.2
[INFO] finished tweaking crates.io crate source-demo-tool 0.9.2
[INFO] tweaked toml for crates.io crate source-demo-tool 0.9.2 written to /workspace/builds/worker-2-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 20 packages to latest compatible versions
[INFO] [stderr]       Adding async-channel v1.9.0 (latest: v2.3.1)
[INFO] [stderr]       Adding event-listener v2.5.3 (latest: v5.3.1)
[INFO] [stderr]       Adding mach v0.2.3 (latest: v0.3.2)
[INFO] [stderr]       Adding slice-deque v0.2.4 (latest: v0.3.0)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.77)
[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 source-demo-tool-impl-proc-macros v0.4.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 5e31c9c5c66c9ec5e8a74577db0ebcb776fc26a7a4ab85c9792ec1eb65dafdec
[INFO] running `Command { std: "docker" "start" "-a" "5e31c9c5c66c9ec5e8a74577db0ebcb776fc26a7a4ab85c9792ec1eb65dafdec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e31c9c5c66c9ec5e8a74577db0ebcb776fc26a7a4ab85c9792ec1eb65dafdec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e31c9c5c66c9ec5e8a74577db0ebcb776fc26a7a4ab85c9792ec1eb65dafdec", kill_on_drop: false }`
[INFO] [stdout] 5e31c9c5c66c9ec5e8a74577db0ebcb776fc26a7a4ab85c9792ec1eb65dafdec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 9e1a4b5ea59b902c303219c57940804e2fabad34d7722b7aae751f994a908cbe
[INFO] running `Command { std: "docker" "start" "-a" "9e1a4b5ea59b902c303219c57940804e2fabad34d7722b7aae751f994a908cbe", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking concurrent-queue v2.5.0
[INFO] [stderr]     Checking async-channel v1.9.0
[INFO] [stderr]     Checking slice-deque v0.2.4
[INFO] [stderr]     Checking buf_redux v0.8.4
[INFO] [stderr]    Compiling source-demo-tool-impl-proc-macros v0.4.2
[INFO] [stderr]     Checking source-demo-tool v0.9.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]    --> src/parse_tools.rs:102:13
[INFO] [stdout]     |
[INFO] [stdout] 102 |     TooLong(EventData, [u8; 10]),
[INFO] [stdout]     |     ------- ^^^^^^^^^  ^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     fields in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]     |
[INFO] [stdout] 102 |     TooLong((), ()),
[INFO] [stdout]     |             ~~  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/parse_tools.rs:103:15
[INFO] [stdout]     |
[INFO] [stdout] 103 |     BufferErr(EventData)
[INFO] [stdout]     |     --------- ^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 103 |     BufferErr(())
[INFO] [stdout]     |               ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]    --> src/parse_tools.rs:102:13
[INFO] [stdout]     |
[INFO] [stdout] 102 |     TooLong(EventData, [u8; 10]),
[INFO] [stdout]     |     ------- ^^^^^^^^^  ^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     fields in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]     |
[INFO] [stdout] 102 |     TooLong((), ()),
[INFO] [stdout]     |             ~~  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/parse_tools.rs:103:15
[INFO] [stdout]     |
[INFO] [stdout] 103 |     BufferErr(EventData)
[INFO] [stdout]     |     --------- ^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 103 |     BufferErr(())
[INFO] [stdout]     |               ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.30s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: buf_redux v0.8.4
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "9e1a4b5ea59b902c303219c57940804e2fabad34d7722b7aae751f994a908cbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e1a4b5ea59b902c303219c57940804e2fabad34d7722b7aae751f994a908cbe", kill_on_drop: false }`
[INFO] [stdout] 9e1a4b5ea59b902c303219c57940804e2fabad34d7722b7aae751f994a908cbe