[INFO] fetching crate serde-jam-derive 0.0.0...
[INFO] building serde-jam-derive-0.0.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate serde-jam-derive 0.0.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate serde-jam-derive 0.0.0
[INFO] finished tweaking crates.io crate serde-jam-derive 0.0.0
[INFO] tweaked toml for crates.io crate serde-jam-derive 0.0.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate serde-jam-derive 0.0.0 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate serde-jam-derive 0.0.0 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 91e6befd00d00bb61d0d6b2e2b418dbeaf7f161f8944c47686568374eea40517
[INFO] running `Command { std: "docker" "start" "-a" "91e6befd00d00bb61d0d6b2e2b418dbeaf7f161f8944c47686568374eea40517", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "91e6befd00d00bb61d0d6b2e2b418dbeaf7f161f8944c47686568374eea40517", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91e6befd00d00bb61d0d6b2e2b418dbeaf7f161f8944c47686568374eea40517", kill_on_drop: false }`
[INFO] [stdout] 91e6befd00d00bb61d0d6b2e2b418dbeaf7f161f8944c47686568374eea40517
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2857354086f11dc115565abc42a31e755ae2b25964ec8377473bb4fb50e34612
[INFO] running `Command { std: "docker" "start" "-a" "2857354086f11dc115565abc42a31e755ae2b25964ec8377473bb4fb50e34612", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde-jam-derive v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "2857354086f11dc115565abc42a31e755ae2b25964ec8377473bb4fb50e34612", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2857354086f11dc115565abc42a31e755ae2b25964ec8377473bb4fb50e34612", kill_on_drop: false }`
[INFO] [stdout] 2857354086f11dc115565abc42a31e755ae2b25964ec8377473bb4fb50e34612
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a5e6c7a0033a575c345f8bd8764974eca5cb62de2e27200e4cb06665e7fbf696
[INFO] running `Command { std: "docker" "start" "-a" "a5e6c7a0033a575c345f8bd8764974eca5cb62de2e27200e4cb06665e7fbf696", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde-jam-derive v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "a5e6c7a0033a575c345f8bd8764974eca5cb62de2e27200e4cb06665e7fbf696", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5e6c7a0033a575c345f8bd8764974eca5cb62de2e27200e4cb06665e7fbf696", kill_on_drop: false }`
[INFO] [stdout] a5e6c7a0033a575c345f8bd8764974eca5cb62de2e27200e4cb06665e7fbf696