[INFO] fetching crate permutations_iter 0.1.1...
[INFO] building permutations_iter-0.1.1 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate permutations_iter 0.1.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate permutations_iter 0.1.1
[INFO] finished tweaking crates.io crate permutations_iter 0.1.1
[INFO] tweaked toml for crates.io crate permutations_iter 0.1.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate permutations_iter 0.1.1 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8217dbeadb166cc88d1657efc549ead12f4f11aa911762fba83fa1bc655172fd
[INFO] running `Command { std: "docker" "start" "-a" "8217dbeadb166cc88d1657efc549ead12f4f11aa911762fba83fa1bc655172fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8217dbeadb166cc88d1657efc549ead12f4f11aa911762fba83fa1bc655172fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8217dbeadb166cc88d1657efc549ead12f4f11aa911762fba83fa1bc655172fd", kill_on_drop: false }`
[INFO] [stdout] 8217dbeadb166cc88d1657efc549ead12f4f11aa911762fba83fa1bc655172fd
[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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0716eeaa1a7ce20732be42f9fb2b7043b4e80a1d97fc34c488d44a2903469fd6
[INFO] running `Command { std: "docker" "start" "-a" "0716eeaa1a7ce20732be42f9fb2b7043b4e80a1d97fc34c488d44a2903469fd6", kill_on_drop: false }`
[INFO] [stderr]    Compiling permutations_iter v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "0716eeaa1a7ce20732be42f9fb2b7043b4e80a1d97fc34c488d44a2903469fd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0716eeaa1a7ce20732be42f9fb2b7043b4e80a1d97fc34c488d44a2903469fd6", kill_on_drop: false }`
[INFO] [stdout] 0716eeaa1a7ce20732be42f9fb2b7043b4e80a1d97fc34c488d44a2903469fd6
[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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e73f037fc6e58e00eadf67ec87ac5003e066b48ee1157699aa5bc041e85030cb
[INFO] running `Command { std: "docker" "start" "-a" "e73f037fc6e58e00eadf67ec87ac5003e066b48ee1157699aa5bc041e85030cb", kill_on_drop: false }`
[INFO] [stderr]    Compiling permutations_iter v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "e73f037fc6e58e00eadf67ec87ac5003e066b48ee1157699aa5bc041e85030cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e73f037fc6e58e00eadf67ec87ac5003e066b48ee1157699aa5bc041e85030cb", kill_on_drop: false }`
[INFO] [stdout] e73f037fc6e58e00eadf67ec87ac5003e066b48ee1157699aa5bc041e85030cb