[INFO] fetching crate serde_flexitos 0.2.2...
[INFO] building serde_flexitos-0.2.2 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate serde_flexitos 0.2.2 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate serde_flexitos 0.2.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate serde_flexitos 0.2.2
[INFO] tweaked toml for crates.io crate serde_flexitos 0.2.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate serde_flexitos 0.2.2 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate serde_flexitos 0.2.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.86
[INFO] [stderr]   Downloaded linkme-impl v0.3.28
[INFO] [stderr]   Downloaded unicode-ident v1.0.13
[INFO] [stderr]   Downloaded serde_derive v1.0.210
[INFO] [stderr]   Downloaded linkme v0.3.28
[INFO] [stderr]   Downloaded quote v1.0.37
[INFO] [stderr]   Downloaded typeid v1.0.2
[INFO] [stderr]   Downloaded erased-serde v0.4.5
[INFO] [stderr]   Downloaded itoa v1.0.11
[INFO] [stderr]   Downloaded serde v1.0.210
[INFO] [stderr]   Downloaded serde_json v1.0.128
[INFO] [stderr]   Downloaded ryu v1.0.18
[INFO] [stderr]   Downloaded syn v2.0.77
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c0beacc03318d2b46612313f94b060fffa1cd62d8fa519c4515143bac799f068
[INFO] running `Command { std: "docker" "start" "-a" "c0beacc03318d2b46612313f94b060fffa1cd62d8fa519c4515143bac799f068", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c0beacc03318d2b46612313f94b060fffa1cd62d8fa519c4515143bac799f068", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0beacc03318d2b46612313f94b060fffa1cd62d8fa519c4515143bac799f068", kill_on_drop: false }`
[INFO] [stdout] c0beacc03318d2b46612313f94b060fffa1cd62d8fa519c4515143bac799f068
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6572e68890a05b092b9e1347eba45bcfbc60c5c127ecaaaef1bba0dabafa264
[INFO] running `Command { std: "docker" "start" "-a" "a6572e68890a05b092b9e1347eba45bcfbc60c5c127ecaaaef1bba0dabafa264", kill_on_drop: false }`
[INFO] [stderr]    Compiling typeid v1.0.2
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]    Compiling erased-serde v0.4.5
[INFO] [stderr]    Compiling serde_flexitos v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.67s
[INFO] running `Command { std: "docker" "inspect" "a6572e68890a05b092b9e1347eba45bcfbc60c5c127ecaaaef1bba0dabafa264", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6572e68890a05b092b9e1347eba45bcfbc60c5c127ecaaaef1bba0dabafa264", kill_on_drop: false }`
[INFO] [stdout] a6572e68890a05b092b9e1347eba45bcfbc60c5c127ecaaaef1bba0dabafa264
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f2807ad872495e8b6d59cf62e00636fdacaa8385b169c43edacb7ee8fe76a68a
[INFO] running `Command { std: "docker" "start" "-a" "f2807ad872495e8b6d59cf62e00636fdacaa8385b169c43edacb7ee8fe76a68a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]    Compiling serde_json v1.0.128
[INFO] [stderr]    Compiling ryu v1.0.18
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]    Compiling linkme-impl v0.3.28
[INFO] [stderr]    Compiling linkme v0.3.28
[INFO] [stderr]    Compiling erased-serde v0.4.5
[INFO] [stderr]    Compiling serde_flexitos v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 21.37s
[INFO] running `Command { std: "docker" "inspect" "f2807ad872495e8b6d59cf62e00636fdacaa8385b169c43edacb7ee8fe76a68a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2807ad872495e8b6d59cf62e00636fdacaa8385b169c43edacb7ee8fe76a68a", kill_on_drop: false }`
[INFO] [stdout] f2807ad872495e8b6d59cf62e00636fdacaa8385b169c43edacb7ee8fe76a68a