[INFO] fetching crate piston-history_tree 0.1.0...
[INFO] testing piston-history_tree-0.1.0 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] extracting crate piston-history_tree 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate piston-history_tree 0.1.0 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate piston-history_tree 0.1.0
[INFO] finished tweaking crates.io crate piston-history_tree 0.1.0
[INFO] tweaked toml for crates.io crate piston-history_tree 0.1.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 907c4bd0ae424595eb2829972a9e9ccf98be028cfc8b2e4e152c1ec7e2db6a8a
[INFO] running `Command { std: "docker" "start" "-a" "907c4bd0ae424595eb2829972a9e9ccf98be028cfc8b2e4e152c1ec7e2db6a8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "907c4bd0ae424595eb2829972a9e9ccf98be028cfc8b2e4e152c1ec7e2db6a8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "907c4bd0ae424595eb2829972a9e9ccf98be028cfc8b2e4e152c1ec7e2db6a8a", kill_on_drop: false }`
[INFO] [stdout] 907c4bd0ae424595eb2829972a9e9ccf98be028cfc8b2e4e152c1ec7e2db6a8a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6dabfacae1fc00a8f0d5556b79e22b0420e2b73d9d5911b54d1c223bfa36c8c0
[INFO] running `Command { std: "docker" "start" "-a" "6dabfacae1fc00a8f0d5556b79e22b0420e2b73d9d5911b54d1c223bfa36c8c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling piston-history_tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "6dabfacae1fc00a8f0d5556b79e22b0420e2b73d9d5911b54d1c223bfa36c8c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dabfacae1fc00a8f0d5556b79e22b0420e2b73d9d5911b54d1c223bfa36c8c0", kill_on_drop: false }`
[INFO] [stdout] 6dabfacae1fc00a8f0d5556b79e22b0420e2b73d9d5911b54d1c223bfa36c8c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 724bbbf84635da5aaae16905757754dfb2a17756a67a54ebb21209b133e15a7a
[INFO] running `Command { std: "docker" "start" "-a" "724bbbf84635da5aaae16905757754dfb2a17756a67a54ebb21209b133e15a7a", kill_on_drop: false }`
[INFO] [stderr]    Compiling piston-history_tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "724bbbf84635da5aaae16905757754dfb2a17756a67a54ebb21209b133e15a7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "724bbbf84635da5aaae16905757754dfb2a17756a67a54ebb21209b133e15a7a", kill_on_drop: false }`
[INFO] [stdout] 724bbbf84635da5aaae16905757754dfb2a17756a67a54ebb21209b133e15a7a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cc687be7a17d730a277c96d097449d587b1db06af8ba3701619daaef50065dce
[INFO] running `Command { std: "docker" "start" "-a" "cc687be7a17d730a277c96d097449d587b1db06af8ba3701619daaef50065dce", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/history_tree-7c839c1ce1332397)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests history_tree
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cc687be7a17d730a277c96d097449d587b1db06af8ba3701619daaef50065dce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc687be7a17d730a277c96d097449d587b1db06af8ba3701619daaef50065dce", kill_on_drop: false }`
[INFO] [stdout] cc687be7a17d730a277c96d097449d587b1db06af8ba3701619daaef50065dce