[INFO] cloning repository https://github.com/Larmbs/synced-objects
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Larmbs/synced-objects" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLarmbs%2Fsynced-objects", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLarmbs%2Fsynced-objects'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e2899e2b9d513bda035f44766b8187b359ab0545
[INFO] checking Larmbs/synced-objects against try#bac5816c5f3d02cebd0599070af62d1782530294 for pr-150408
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLarmbs%2Fsynced-objects" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Larmbs/synced-objects
[INFO] finished tweaking git repo https://github.com/Larmbs/synced-objects
[INFO] tweaked toml for git repo https://github.com/Larmbs/synced-objects written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Larmbs/synced-objects on toolchain bac5816c5f3d02cebd0599070af62d1782530294
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bac5816c5f3d02cebd0599070af62d1782530294" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Larmbs/synced-objects 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" "+bac5816c5f3d02cebd0599070af62d1782530294" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+bac5816c5f3d02cebd0599070af62d1782530294" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3fd2ad2c9865d9772e0370a0634da1b233fc0ef2020b60f51ef471bd1d1ad875
[INFO] running `Command { std: "docker" "start" "-a" "3fd2ad2c9865d9772e0370a0634da1b233fc0ef2020b60f51ef471bd1d1ad875", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3fd2ad2c9865d9772e0370a0634da1b233fc0ef2020b60f51ef471bd1d1ad875", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fd2ad2c9865d9772e0370a0634da1b233fc0ef2020b60f51ef471bd1d1ad875", kill_on_drop: false }`
[INFO] [stdout] 3fd2ad2c9865d9772e0370a0634da1b233fc0ef2020b60f51ef471bd1d1ad875
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+bac5816c5f3d02cebd0599070af62d1782530294" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dcfc09e845251f483f574d2cdca05b0d595a46508bd55ea4040ddf1966718e62
[INFO] running `Command { std: "docker" "start" "-a" "dcfc09e845251f483f574d2cdca05b0d595a46508bd55ea4040ddf1966718e62", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.85
[INFO] [stderr]    Compiling serde v1.0.203
[INFO] [stderr]     Checking miniz_oxide v0.7.4
[INFO] [stderr]    Compiling serde_json v1.0.117
[INFO] [stderr]     Checking flate2 v1.0.30
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.66
[INFO] [stderr]    Compiling serde_derive v1.0.203
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking syncify_core v0.1.0 (/opt/rustwide/workdir/syncify_core)
[INFO] [stderr]     Checking syncify_client v0.1.0 (/opt/rustwide/workdir/syncify_client)
[INFO] [stdout] warning: function `panic_no_connection` is never used
[INFO] [stdout]   --> syncify_client/src/lib.rs:34:4
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn panic_no_connection() -> ! {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `panic_no_connection` is never used
[INFO] [stdout]   --> syncify_client/src/lib.rs:34:4
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn panic_no_connection() -> ! {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking syncify_server v0.1.0 (/opt/rustwide/workdir/syncify_server)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.85s
[INFO] running `Command { std: "docker" "inspect" "dcfc09e845251f483f574d2cdca05b0d595a46508bd55ea4040ddf1966718e62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcfc09e845251f483f574d2cdca05b0d595a46508bd55ea4040ddf1966718e62", kill_on_drop: false }`
[INFO] [stdout] dcfc09e845251f483f574d2cdca05b0d595a46508bd55ea4040ddf1966718e62