[INFO] fetching crate serializer-tests 0.3.2...
[INFO] checking serializer-tests-0.3.2 against master#11ebe6512b4c77633c59f8dcdd421df3b79d1a9f for pr-103872
[INFO] extracting crate serializer-tests 0.3.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate serializer-tests 0.3.2 on toolchain 11ebe6512b4c77633c59f8dcdd421df3b79d1a9f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+11ebe6512b4c77633c59f8dcdd421df3b79d1a9f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serializer-tests 0.3.2
[INFO] finished tweaking crates.io crate serializer-tests 0.3.2
[INFO] tweaked toml for crates.io crate serializer-tests 0.3.2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+11ebe6512b4c77633c59f8dcdd421df3b79d1a9f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+11ebe6512b4c77633c59f8dcdd421df3b79d1a9f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:83125433e4fff17b1ac56874832f668d9df75ee638575aca552b68e127bedee9" "/opt/rustwide/cargo-home/bin/cargo" "+11ebe6512b4c77633c59f8dcdd421df3b79d1a9f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 76ffd3883d4ed70bb3f18fcbf24ec1f83a7e2403a262cc463d369fba0750c773
[INFO] running `Command { std: "docker" "start" "-a" "76ffd3883d4ed70bb3f18fcbf24ec1f83a7e2403a262cc463d369fba0750c773", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76ffd3883d4ed70bb3f18fcbf24ec1f83a7e2403a262cc463d369fba0750c773", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76ffd3883d4ed70bb3f18fcbf24ec1f83a7e2403a262cc463d369fba0750c773", kill_on_drop: false }`
[INFO] [stdout] 76ffd3883d4ed70bb3f18fcbf24ec1f83a7e2403a262cc463d369fba0750c773
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:83125433e4fff17b1ac56874832f668d9df75ee638575aca552b68e127bedee9" "/opt/rustwide/cargo-home/bin/cargo" "+11ebe6512b4c77633c59f8dcdd421df3b79d1a9f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b98d344703f4c674d26dfd9ad86a912d404c52ed4652b84d3853dfd7af18dfba
[INFO] running `Command { std: "docker" "start" "-a" "b98d344703f4c674d26dfd9ad86a912d404c52ed4652b84d3853dfd7af18dfba", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.147
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling serde v1.0.147
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking fastrand v1.8.0
[INFO] [stderr]    Compiling anyhow v1.0.66
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]    Compiling ref-cast v1.0.13
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking quick-error v2.0.1
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]     Checking once_cell v1.16.0
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking serializer-tests v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rusty-fork v0.3.0
[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 v1.0.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.37
[INFO] [stderr]    Compiling ref-cast-impl v1.0.13
[INFO] [stderr]    Compiling variant_count v1.1.0
[INFO] [stderr]    Compiling proptest-derive v0.3.0
[INFO] [stderr]     Checking bcs v0.1.4
[INFO] [stderr]     Checking serde_bytes v0.11.7
[INFO] [stderr]     Checking mv-core-types v0.3.2
[INFO] [stderr]     Checking mv-binary-format v0.3.2
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.40s
[INFO] running `Command { std: "docker" "inspect" "b98d344703f4c674d26dfd9ad86a912d404c52ed4652b84d3853dfd7af18dfba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b98d344703f4c674d26dfd9ad86a912d404c52ed4652b84d3853dfd7af18dfba", kill_on_drop: false }`
[INFO] [stdout] b98d344703f4c674d26dfd9ad86a912d404c52ed4652b84d3853dfd7af18dfba