[INFO] fetching crate serde_stacker 0.1.12...
[INFO] checking serde_stacker-0.1.12 against try#306c6aded24f02440063be828ebe601fe5eb8323 for pr-133502-3
[INFO] extracting crate serde_stacker 0.1.12 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate serde_stacker 0.1.12 on toolchain 306c6aded24f02440063be828ebe601fe5eb8323
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+306c6aded24f02440063be828ebe601fe5eb8323" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde_stacker 0.1.12
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate serde_stacker 0.1.12
[INFO] tweaked toml for crates.io crate serde_stacker 0.1.12 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate serde_stacker 0.1.12 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" "+306c6aded24f02440063be828ebe601fe5eb8323" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+306c6aded24f02440063be828ebe601fe5eb8323" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7e0a53a9e38620a0b437b84230aa2bb7024eb56bf0f361a255ae2341d3dc3fea
[INFO] running `Command { std: "docker" "start" "-a" "7e0a53a9e38620a0b437b84230aa2bb7024eb56bf0f361a255ae2341d3dc3fea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e0a53a9e38620a0b437b84230aa2bb7024eb56bf0f361a255ae2341d3dc3fea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e0a53a9e38620a0b437b84230aa2bb7024eb56bf0f361a255ae2341d3dc3fea", kill_on_drop: false }`
[INFO] [stdout] 7e0a53a9e38620a0b437b84230aa2bb7024eb56bf0f361a255ae2341d3dc3fea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+306c6aded24f02440063be828ebe601fe5eb8323" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 18c2b0545c366cf08243013b5ee83b821075d8a760c76d864f6d31a157e2216b
[INFO] running `Command { std: "docker" "start" "-a" "18c2b0545c366cf08243013b5ee83b821075d8a760c76d864f6d31a157e2216b", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.2.16
[INFO] [stderr]    Compiling serde v1.0.218
[INFO] [stderr]    Compiling libc v0.2.170
[INFO] [stderr]    Compiling serde_json v1.0.139
[INFO] [stderr]    Compiling psm v0.1.25
[INFO] [stderr]    Compiling stacker v0.1.19
[INFO] [stderr]     Checking serde_stacker v0.1.12 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.45s
[INFO] running `Command { std: "docker" "inspect" "18c2b0545c366cf08243013b5ee83b821075d8a760c76d864f6d31a157e2216b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18c2b0545c366cf08243013b5ee83b821075d8a760c76d864f6d31a157e2216b", kill_on_drop: false }`
[INFO] [stdout] 18c2b0545c366cf08243013b5ee83b821075d8a760c76d864f6d31a157e2216b