[INFO] cloning repository https://github.com/hackaugusto/mem-track
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hackaugusto/mem-track" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhackaugusto%2Fmem-track", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhackaugusto%2Fmem-track'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7586dd0d6cb8b6c7b3aee58a2acf4060933fb819
[INFO] testing hackaugusto/mem-track against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhackaugusto%2Fmem-track" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/hackaugusto/mem-track
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/hackaugusto/mem-track
[INFO] tweaked toml for git repo https://github.com/hackaugusto/mem-track written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/hackaugusto/mem-track on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/hackaugusto/mem-track 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" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] e5af704586eed3afb90a717b3a2647219ce9451e05297e2b0eca0bfb90935056
[INFO] running `Command { std: "docker" "start" "e5af704586eed3afb90a717b3a2647219ce9451e05297e2b0eca0bfb90935056", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e5af704586eed3afb90a717b3a2647219ce9451e05297e2b0eca0bfb90935056", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e5af704586eed3afb90a717b3a2647219ce9451e05297e2b0eca0bfb90935056" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e5af704586eed3afb90a717b3a2647219ce9451e05297e2b0eca0bfb90935056", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e5af704586eed3afb90a717b3a2647219ce9451e05297e2b0eca0bfb90935056" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling cfg-if v1.0.1
[INFO] [stderr]    Compiling cpp_demangle v0.4.4
[INFO] [stderr]    Compiling twox-hash v2.1.1
[INFO] [stderr]    Compiling object v0.37.1
[INFO] [stderr]    Compiling hashbrown v0.15.4
[INFO] [stderr]    Compiling fallible-iterator v0.3.0
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.25
[INFO] [stderr]    Compiling typed-arena v2.0.2
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling cc v1.2.29
[INFO] [stderr]    Compiling bytesize v2.0.1
[INFO] [stderr]    Compiling thousands v0.2.0
[INFO] [stderr]    Compiling arrayvec v0.7.6
[INFO] [stderr]    Compiling crc32fast v1.4.2
[INFO] [stderr]    Compiling ruzstd v0.8.1
[INFO] [stderr]    Compiling flate2 v1.1.2
[INFO] [stderr]    Compiling memmap2 v0.9.5
[INFO] [stderr]    Compiling memory-stats v1.2.0
[INFO] [stderr]    Compiling indexmap v2.10.0
[INFO] [stderr]    Compiling findshlibs v0.10.2
[INFO] [stderr]    Compiling gimli v0.32.0
[INFO] [stderr]    Compiling addr2line v0.25.0
[INFO] [stderr]    Compiling mem-track v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 26.75s
[INFO] running `Command { std: "docker" "inspect" "e5af704586eed3afb90a717b3a2647219ce9451e05297e2b0eca0bfb90935056", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e5af704586eed3afb90a717b3a2647219ce9451e05297e2b0eca0bfb90935056" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling mem-track v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> examples/simple.rs:34:60
[INFO] [stdout]    |
[INFO] [stdout] 34 |     format_flame_graph(&mut stdout, flamegraph.iter(), |v| v.alloc_calls).unwrap();
[INFO] [stdout]    |                                                            ^^^^^^^^^^^^^ expected `Option<usize>`, found `usize`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected enum `Option<usize>`
[INFO] [stdout]               found type `usize`
[INFO] [stdout] help: try wrapping the expression in `Some`
[INFO] [stdout]    |
[INFO] [stdout] 34 |     format_flame_graph(&mut stdout, flamegraph.iter(), |v| Some(v.alloc_calls)).unwrap();
[INFO] [stdout]    |                                                            +++++             +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mem-track` (example "simple") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "e5af704586eed3afb90a717b3a2647219ce9451e05297e2b0eca0bfb90935056", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5af704586eed3afb90a717b3a2647219ce9451e05297e2b0eca0bfb90935056", kill_on_drop: false }`
[INFO] [stdout] e5af704586eed3afb90a717b3a2647219ce9451e05297e2b0eca0bfb90935056
