[INFO] fetching crate postcard-derive 0.2.2...
[INFO] building postcard-derive-0.2.2 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate postcard-derive 0.2.2 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate postcard-derive 0.2.2
[INFO] finished tweaking crates.io crate postcard-derive 0.2.2
[INFO] tweaked toml for crates.io crate postcard-derive 0.2.2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate postcard-derive 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 postcard-derive 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] 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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 16053d617890922780d322a2bf84c8612c185c58ad39f2963d1a9553d97d46ee
[INFO] running `Command { std: "docker" "start" "-a" "16053d617890922780d322a2bf84c8612c185c58ad39f2963d1a9553d97d46ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "16053d617890922780d322a2bf84c8612c185c58ad39f2963d1a9553d97d46ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16053d617890922780d322a2bf84c8612c185c58ad39f2963d1a9553d97d46ee", kill_on_drop: false }`
[INFO] [stdout] 16053d617890922780d322a2bf84c8612c185c58ad39f2963d1a9553d97d46ee
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6ca7ac3338eeeeffee0904ac2cf4de070d4a53772c7b8a6cf0fa7d1dc9754ec
[INFO] running `Command { std: "docker" "start" "-a" "b6ca7ac3338eeeeffee0904ac2cf4de070d4a53772c7b8a6cf0fa7d1dc9754ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.103
[INFO] [stderr]    Compiling postcard-derive v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.53s
[INFO] running `Command { std: "docker" "inspect" "b6ca7ac3338eeeeffee0904ac2cf4de070d4a53772c7b8a6cf0fa7d1dc9754ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6ca7ac3338eeeeffee0904ac2cf4de070d4a53772c7b8a6cf0fa7d1dc9754ec", kill_on_drop: false }`
[INFO] [stdout] b6ca7ac3338eeeeffee0904ac2cf4de070d4a53772c7b8a6cf0fa7d1dc9754ec
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 181d608fe8550612e44f91921c5ea944553b03eef9e67247dd70e910ddfdb2f1
[INFO] running `Command { std: "docker" "start" "-a" "181d608fe8550612e44f91921c5ea944553b03eef9e67247dd70e910ddfdb2f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling postcard-derive v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `Command { std: "docker" "inspect" "181d608fe8550612e44f91921c5ea944553b03eef9e67247dd70e910ddfdb2f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "181d608fe8550612e44f91921c5ea944553b03eef9e67247dd70e910ddfdb2f1", kill_on_drop: false }`
[INFO] [stdout] 181d608fe8550612e44f91921c5ea944553b03eef9e67247dd70e910ddfdb2f1