[INFO] fetching crate serde_stacker 0.1.4...
[INFO] checking serde_stacker-0.1.4 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] extracting crate serde_stacker 0.1.4 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate serde_stacker 0.1.4 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde_stacker 0.1.4
[INFO] finished tweaking crates.io crate serde_stacker 0.1.4
[INFO] tweaked toml for crates.io crate serde_stacker 0.1.4 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b3ed16f6aaf3b4741545d36b370f83ad5b043431d28a115969dd78992cd110c2
[INFO] running `Command { std: "docker" "start" "-a" "b3ed16f6aaf3b4741545d36b370f83ad5b043431d28a115969dd78992cd110c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b3ed16f6aaf3b4741545d36b370f83ad5b043431d28a115969dd78992cd110c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3ed16f6aaf3b4741545d36b370f83ad5b043431d28a115969dd78992cd110c2", kill_on_drop: false }`
[INFO] [stdout] b3ed16f6aaf3b4741545d36b370f83ad5b043431d28a115969dd78992cd110c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d343099f7e1d9c343099e6b9f3c1a58ab5e1438b432f443d5ee69eaa455cff4e
[INFO] running `Command { std: "docker" "start" "-a" "d343099f7e1d9c343099e6b9f3c1a58ab5e1438b432f443d5ee69eaa455cff4e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling psm v0.1.13
[INFO] [stderr]    Compiling stacker v0.1.14
[INFO] [stderr]     Checking serde_stacker v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.46s
[INFO] running `Command { std: "docker" "inspect" "d343099f7e1d9c343099e6b9f3c1a58ab5e1438b432f443d5ee69eaa455cff4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d343099f7e1d9c343099e6b9f3c1a58ab5e1438b432f443d5ee69eaa455cff4e", kill_on_drop: false }`
[INFO] [stdout] d343099f7e1d9c343099e6b9f3c1a58ab5e1438b432f443d5ee69eaa455cff4e