[INFO] fetching crate percy 0.0.1...
[INFO] testing percy-0.0.1 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate percy 0.0.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate percy 0.0.1 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate percy 0.0.1
[INFO] finished tweaking crates.io crate percy 0.0.1
[INFO] tweaked toml for crates.io crate percy 0.0.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ddafc76cabecc1d6281e343cc3368a02e7c6aef439b1567b006cdfc33de82bda
[INFO] running `Command { std: "docker" "start" "-a" "ddafc76cabecc1d6281e343cc3368a02e7c6aef439b1567b006cdfc33de82bda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ddafc76cabecc1d6281e343cc3368a02e7c6aef439b1567b006cdfc33de82bda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddafc76cabecc1d6281e343cc3368a02e7c6aef439b1567b006cdfc33de82bda", kill_on_drop: false }`
[INFO] [stdout] ddafc76cabecc1d6281e343cc3368a02e7c6aef439b1567b006cdfc33de82bda
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 24d5e7d83dec660c8685d05c37eaa8cf53b1b04b2d3b9f3360c5c75b4c854623
[INFO] running `Command { std: "docker" "start" "-a" "24d5e7d83dec660c8685d05c37eaa8cf53b1b04b2d3b9f3360c5c75b4c854623", kill_on_drop: false }`
[INFO] [stderr]    Compiling percy v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] running `Command { std: "docker" "inspect" "24d5e7d83dec660c8685d05c37eaa8cf53b1b04b2d3b9f3360c5c75b4c854623", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24d5e7d83dec660c8685d05c37eaa8cf53b1b04b2d3b9f3360c5c75b4c854623", kill_on_drop: false }`
[INFO] [stdout] 24d5e7d83dec660c8685d05c37eaa8cf53b1b04b2d3b9f3360c5c75b4c854623
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 23b3ab2a4a5669b0aaf265b28844d74033de119e0c33c39221292b61db6c4cd8
[INFO] running `Command { std: "docker" "start" "-a" "23b3ab2a4a5669b0aaf265b28844d74033de119e0c33c39221292b61db6c4cd8", kill_on_drop: false }`
[INFO] [stderr]    Compiling percy v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "23b3ab2a4a5669b0aaf265b28844d74033de119e0c33c39221292b61db6c4cd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23b3ab2a4a5669b0aaf265b28844d74033de119e0c33c39221292b61db6c4cd8", kill_on_drop: false }`
[INFO] [stdout] 23b3ab2a4a5669b0aaf265b28844d74033de119e0c33c39221292b61db6c4cd8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 64e47d9eeb0540d1d833a7567e817d239cbc3eaf39cde8a83fbd8e288d6dd3c9
[INFO] running `Command { std: "docker" "start" "-a" "64e47d9eeb0540d1d833a7567e817d239cbc3eaf39cde8a83fbd8e288d6dd3c9", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/percy-4c40d3847a89d09f)
[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] [stderr]    Doc-tests percy
[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" "64e47d9eeb0540d1d833a7567e817d239cbc3eaf39cde8a83fbd8e288d6dd3c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64e47d9eeb0540d1d833a7567e817d239cbc3eaf39cde8a83fbd8e288d6dd3c9", kill_on_drop: false }`
[INFO] [stdout] 64e47d9eeb0540d1d833a7567e817d239cbc3eaf39cde8a83fbd8e288d6dd3c9