[INFO] fetching crate stakker 0.2.13...
[INFO] building stakker-0.2.13 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate stakker 0.2.13 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate stakker 0.2.13
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate stakker 0.2.13
[INFO] tweaked toml for crates.io crate stakker 0.2.13 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate stakker 0.2.13 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 stakker 0.2.13 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] 1f52c24726372a7f412a1568cf3b7fa482b721220d6eae0104a1d4f2f16ac34c
[INFO] running `Command { std: "docker" "start" "-a" "1f52c24726372a7f412a1568cf3b7fa482b721220d6eae0104a1d4f2f16ac34c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f52c24726372a7f412a1568cf3b7fa482b721220d6eae0104a1d4f2f16ac34c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f52c24726372a7f412a1568cf3b7fa482b721220d6eae0104a1d4f2f16ac34c", kill_on_drop: false }`
[INFO] [stdout] 1f52c24726372a7f412a1568cf3b7fa482b721220d6eae0104a1d4f2f16ac34c
[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] 6ac37b68fc2010c8344e188a6014c78d19a5a3cc251d3a1279118209725e9d73
[INFO] running `Command { std: "docker" "start" "-a" "6ac37b68fc2010c8344e188a6014c78d19a5a3cc251d3a1279118209725e9d73", kill_on_drop: false }`
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling qcell v0.5.4
[INFO] [stderr]    Compiling stakker v0.2.13 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.67s
[INFO] running `Command { std: "docker" "inspect" "6ac37b68fc2010c8344e188a6014c78d19a5a3cc251d3a1279118209725e9d73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ac37b68fc2010c8344e188a6014c78d19a5a3cc251d3a1279118209725e9d73", kill_on_drop: false }`
[INFO] [stdout] 6ac37b68fc2010c8344e188a6014c78d19a5a3cc251d3a1279118209725e9d73
[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] d95ca12393148d4b5baecdcfbecff90141d29476957ffc5e6aa76b2254941d71
[INFO] running `Command { std: "docker" "start" "-a" "d95ca12393148d4b5baecdcfbecff90141d29476957ffc5e6aa76b2254941d71", kill_on_drop: false }`
[INFO] [stderr]    Compiling stakker v0.2.13 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 5.06s
[INFO] running `Command { std: "docker" "inspect" "d95ca12393148d4b5baecdcfbecff90141d29476957ffc5e6aa76b2254941d71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d95ca12393148d4b5baecdcfbecff90141d29476957ffc5e6aa76b2254941d71", kill_on_drop: false }`
[INFO] [stdout] d95ca12393148d4b5baecdcfbecff90141d29476957ffc5e6aa76b2254941d71