[INFO] fetching crate msgpack-schema 1.1.0...
[INFO] checking msgpack-schema-1.1.0 against master#5518eaa946291f00471af8b254b2a1715f234882 for pr-120393
[INFO] extracting crate msgpack-schema 1.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate msgpack-schema 1.1.0 on toolchain 5518eaa946291f00471af8b254b2a1715f234882
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate msgpack-schema 1.1.0
[INFO] finished tweaking crates.io crate msgpack-schema 1.1.0
[INFO] tweaked toml for crates.io crate msgpack-schema 1.1.0 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" "+5518eaa946291f00471af8b254b2a1715f234882" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded msgpack-schema-impl v1.1.0
[INFO] [stderr]   Downloaded msgpack-value v1.1.0
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d8662b9b39819d2e597a3e037866ca9af22f40e64a499442ad5378c40b14abbc
[INFO] running `Command { std: "docker" "start" "-a" "d8662b9b39819d2e597a3e037866ca9af22f40e64a499442ad5378c40b14abbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d8662b9b39819d2e597a3e037866ca9af22f40e64a499442ad5378c40b14abbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8662b9b39819d2e597a3e037866ca9af22f40e64a499442ad5378c40b14abbc", kill_on_drop: false }`
[INFO] [stdout] d8662b9b39819d2e597a3e037866ca9af22f40e64a499442ad5378c40b14abbc
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b3cf58f09b01da154f92a983109a994fc6251c523ea5fcde5df59a6c2cb669d8
[INFO] running `Command { std: "docker" "start" "-a" "b3cf58f09b01da154f92a983109a994fc6251c523ea5fcde5df59a6c2cb669d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking unarray v0.1.4
[INFO] [stderr]    Compiling trybuild v1.0.89
[INFO] [stderr]     Checking basic-toml v0.1.8
[INFO] [stderr]    Compiling msgpack-schema-impl v1.1.0
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking proptest v1.4.0
[INFO] [stderr]     Checking rmp v0.8.12
[INFO] [stderr]    Compiling proptest-derive v0.3.0
[INFO] [stderr]     Checking msgpack-value v1.1.0
[INFO] [stderr]     Checking msgpack-schema v1.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]    --> tests/test.rs:562:14
[INFO] [stdout]     |
[INFO] [stdout] 562 |     struct S(u32, bool);
[INFO] [stdout]     |            - ^^^  ^^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            fields in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = note: `S` 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] 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] 562 |     struct S((), ());
[INFO] [stdout]     |              ~~  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.40s
[INFO] running `Command { std: "docker" "inspect" "b3cf58f09b01da154f92a983109a994fc6251c523ea5fcde5df59a6c2cb669d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3cf58f09b01da154f92a983109a994fc6251c523ea5fcde5df59a6c2cb669d8", kill_on_drop: false }`
[INFO] [stdout] b3cf58f09b01da154f92a983109a994fc6251c523ea5fcde5df59a6c2cb669d8