[INFO] cloning repository https://github.com/waltcow/LinkPreview
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/waltcow/LinkPreview" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwaltcow%2FLinkPreview", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwaltcow%2FLinkPreview'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 823a58b0067e62fc12530c43c0b6820102f9f4c5
[INFO] testing waltcow/LinkPreview against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwaltcow%2FLinkPreview" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/waltcow/LinkPreview on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/waltcow/LinkPreview
[INFO] finished tweaking git repo https://github.com/waltcow/LinkPreview
[INFO] tweaked toml for git repo https://github.com/waltcow/LinkPreview written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/waltcow/LinkPreview already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7ddf4ddfb6bf980606d32678c7f27df05f4e5fa06a904e56d947946c425c8c14
[INFO] running `Command { std: "docker" "start" "-a" "7ddf4ddfb6bf980606d32678c7f27df05f4e5fa06a904e56d947946c425c8c14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ddf4ddfb6bf980606d32678c7f27df05f4e5fa06a904e56d947946c425c8c14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ddf4ddfb6bf980606d32678c7f27df05f4e5fa06a904e56d947946c425c8c14", kill_on_drop: false }`
[INFO] [stdout] 7ddf4ddfb6bf980606d32678c7f27df05f4e5fa06a904e56d947946c425c8c14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 82bfff3deb5d669cb4f33c27ba7894d7cdb8af08a379d447739c7c8c24d7b9fa
[INFO] running `Command { std: "docker" "start" "-a" "82bfff3deb5d669cb4f33c27ba7894d7cdb8af08a379d447739c7c8c24d7b9fa", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling LinkPreview v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `LinkPreview` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `link_preview`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "82bfff3deb5d669cb4f33c27ba7894d7cdb8af08a379d447739c7c8c24d7b9fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82bfff3deb5d669cb4f33c27ba7894d7cdb8af08a379d447739c7c8c24d7b9fa", kill_on_drop: false }`
[INFO] [stdout] 82bfff3deb5d669cb4f33c27ba7894d7cdb8af08a379d447739c7c8c24d7b9fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 98aacb91d2c99f972b47840f34fcd67b54b492d11ac905418762eb42e0be4676
[INFO] running `Command { std: "docker" "start" "-a" "98aacb91d2c99f972b47840f34fcd67b54b492d11ac905418762eb42e0be4676", kill_on_drop: false }`
[INFO] [stderr]    Compiling LinkPreview v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `LinkPreview` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `link_preview`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "98aacb91d2c99f972b47840f34fcd67b54b492d11ac905418762eb42e0be4676", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98aacb91d2c99f972b47840f34fcd67b54b492d11ac905418762eb42e0be4676", kill_on_drop: false }`
[INFO] [stdout] 98aacb91d2c99f972b47840f34fcd67b54b492d11ac905418762eb42e0be4676
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a96150ba844cbc05186be02d69651e4fb97afdfc0e797471720d491e89bfc68d
[INFO] running `Command { std: "docker" "start" "-a" "a96150ba844cbc05186be02d69651e4fb97afdfc0e797471720d491e89bfc68d", kill_on_drop: false }`
[INFO] [stderr] warning: crate `LinkPreview` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `link_preview`
[INFO] [stderr] 
[INFO] [stderr] warning: `LinkPreview` (bin "LinkPreview" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/LinkPreview-3c608d5c84ff51ba)
[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" "a96150ba844cbc05186be02d69651e4fb97afdfc0e797471720d491e89bfc68d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a96150ba844cbc05186be02d69651e4fb97afdfc0e797471720d491e89bfc68d", kill_on_drop: false }`
[INFO] [stdout] a96150ba844cbc05186be02d69651e4fb97afdfc0e797471720d491e89bfc68d