[INFO] fetching crate decent-serde-json-alternative 0.5.0...
[INFO] checking decent-serde-json-alternative-0.5.0 against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] extracting crate decent-serde-json-alternative 0.5.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate decent-serde-json-alternative 0.5.0
[INFO] finished tweaking crates.io crate decent-serde-json-alternative 0.5.0
[INFO] tweaked toml for crates.io crate decent-serde-json-alternative 0.5.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate decent-serde-json-alternative 0.5.0 on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 5 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded decent-synquote-alternative v0.4.0
[INFO] [stderr]   Downloaded decent-serde-json-derive-alternative v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 367ace8ecee6ff2e7f4db01923fd9e9942fbf02a627f5f340c8c097d03eb34fc
[INFO] running `Command { std: "docker" "start" "-a" "367ace8ecee6ff2e7f4db01923fd9e9942fbf02a627f5f340c8c097d03eb34fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "367ace8ecee6ff2e7f4db01923fd9e9942fbf02a627f5f340c8c097d03eb34fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "367ace8ecee6ff2e7f4db01923fd9e9942fbf02a627f5f340c8c097d03eb34fc", kill_on_drop: false }`
[INFO] [stdout] 367ace8ecee6ff2e7f4db01923fd9e9942fbf02a627f5f340c8c097d03eb34fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf83faff1449c83c5bc8a818fb76b4928ff5eb6c25443d8d452ad03a1a55cef2
[INFO] running `Command { std: "docker" "start" "-a" "bf83faff1449c83c5bc8a818fb76b4928ff5eb6c25443d8d452ad03a1a55cef2", kill_on_drop: false }`
[INFO] [stderr]     Checking json v0.12.4
[INFO] [stderr]    Compiling decent-synquote-alternative v0.4.0
[INFO] [stderr]    Compiling decent-serde-json-derive-alternative v0.5.0
[INFO] [stderr]     Checking decent-serde-json-alternative v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `Command { std: "docker" "inspect" "bf83faff1449c83c5bc8a818fb76b4928ff5eb6c25443d8d452ad03a1a55cef2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf83faff1449c83c5bc8a818fb76b4928ff5eb6c25443d8d452ad03a1a55cef2", kill_on_drop: false }`
[INFO] [stdout] bf83faff1449c83c5bc8a818fb76b4928ff5eb6c25443d8d452ad03a1a55cef2