[INFO] cloning repository https://github.com/Vollbrecht/callback-bug
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Vollbrecht/callback-bug" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVollbrecht%2Fcallback-bug", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVollbrecht%2Fcallback-bug'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c4f005211753f10e5481e94978d0f32500f17d70
[INFO] building Vollbrecht/callback-bug against try#f41a2ab7b0d9462073425dd6c04abbeb4805cb77 for pr-97334-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVollbrecht%2Fcallback-bug" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Vollbrecht/callback-bug on toolchain f41a2ab7b0d9462073425dd6c04abbeb4805cb77
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[INFO] started tweaking git repo https://github.com/Vollbrecht/callback-bug
[INFO] finished tweaking git repo https://github.com/Vollbrecht/callback-bug
[INFO] tweaked toml for git repo https://github.com/Vollbrecht/callback-bug written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Vollbrecht/callback-bug 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" "+f41a2ab7b0d9462073425dd6c04abbeb4805cb77" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]    Compiling sixtyfps-rendering-backend-gl v0.1.5
[INFO] [stderr]    Compiling sixtyfps-build v0.1.5
[INFO] [stderr]    Compiling callback-bug v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling sixtyfps v0.1.5
[INFO] [stdout] warning: unused variable: `call_value`
[INFO] [stdout]   --> src/main.rs:19:25
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn render_call_by_value(call_value: i32) -> sixtyfps::Image {
[INFO] [stdout]    |                         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_call_value`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 26s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: quick-xml v0.22.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "58e6d3d85559c43b7c451a0fd3d9678c6e2c9d902aab2185efb99003bd85ea0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58e6d3d85559c43b7c451a0fd3d9678c6e2c9d902aab2185efb99003bd85ea0d", kill_on_drop: false }`
[INFO] [stdout] 58e6d3d85559c43b7c451a0fd3d9678c6e2c9d902aab2185efb99003bd85ea0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:3d532c2baa59a8a48e45c3be7eb049f77ac5a58a7a6514a58a8e878df1c3d03d" "/opt/rustwide/cargo-home/bin/cargo" "+f41a2ab7b0d9462073425dd6c04abbeb4805cb77" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05d40320ac93ddc5f2239952675048ff8eb8ba1b806adb2ac892f35bbd40ae1c
[INFO] running `Command { std: "docker" "start" "-a" "05d40320ac93ddc5f2239952675048ff8eb8ba1b806adb2ac892f35bbd40ae1c", kill_on_drop: false }`
[INFO] [stderr]    Compiling callback-bug v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `call_value`
[INFO] [stdout]   --> src/main.rs:19:25
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn render_call_by_value(call_value: i32) -> sixtyfps::Image {
[INFO] [stdout]    |                         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_call_value`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.46s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: quick-xml v0.22.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "05d40320ac93ddc5f2239952675048ff8eb8ba1b806adb2ac892f35bbd40ae1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05d40320ac93ddc5f2239952675048ff8eb8ba1b806adb2ac892f35bbd40ae1c", kill_on_drop: false }`
[INFO] [stdout] 05d40320ac93ddc5f2239952675048ff8eb8ba1b806adb2ac892f35bbd40ae1c