[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] fixing hackaugusto/mem-track against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=start=2015 for pr-157817-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhackaugusto%2Fmem-track" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/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-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/hackaugusto/mem-track on toolchain 622891a4e29178280638a6b63a8908bde2c0c854
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "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" "+622891a4e29178280638a6b63a8908bde2c0c854" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded twox-hash v2.1.1
[INFO] [stderr]   Downloaded bytesize v2.0.1
[INFO] [stderr]   Downloaded addr2line v0.25.0
[INFO] [stderr]   Downloaded gimli v0.32.0
[INFO] [stderr]   Downloaded object v0.37.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 24919e1ac2742a573bad40b900efa855670937fe0123978e1c2d2af0f88f78be
[INFO] running `Command { std: "docker" "start" "24919e1ac2742a573bad40b900efa855670937fe0123978e1c2d2af0f88f78be", 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" "24919e1ac2742a573bad40b900efa855670937fe0123978e1c2d2af0f88f78be" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24919e1ac2742a573bad40b900efa855670937fe0123978e1c2d2af0f88f78be", 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=" "-e" "RUSTDOCFLAGS=" "-w" "/opt/rustwide/workdir" "--user" "0:0" "24919e1ac2742a573bad40b900efa855670937fe0123978e1c2d2af0f88f78be" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=start=2015", kill_on_drop: false }`
[INFO] [stderr]     Checking hashbrown v0.15.4
[INFO] [stderr]    Compiling cpp_demangle v0.4.4
[INFO] [stderr]     Checking twox-hash v2.1.1
[INFO] [stderr]    Compiling object v0.37.1
[INFO] [stderr]     Checking rustc-demangle v0.1.25
[INFO] [stderr]     Checking typed-arena v2.0.2
[INFO] [stderr]    Compiling cc v1.2.29
[INFO] [stderr]     Checking bytesize v2.0.1
[INFO] [stderr]     Checking thousands v0.2.0
[INFO] [stderr]     Checking memmap2 v0.9.5
[INFO] [stderr]     Checking memory-stats v1.2.0
[INFO] [stderr]     Checking ruzstd v0.8.1
[INFO] [stderr]     Checking indexmap v2.10.0
[INFO] [stderr]    Compiling findshlibs v0.10.2
[INFO] [stderr]     Checking gimli v0.32.0
[INFO] [stderr]     Checking addr2line v0.25.0
[INFO] [stderr]     Checking 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] running `Command { std: "docker" "inspect" "24919e1ac2742a573bad40b900efa855670937fe0123978e1c2d2af0f88f78be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24919e1ac2742a573bad40b900efa855670937fe0123978e1c2d2af0f88f78be", kill_on_drop: false }`
[INFO] [stdout] 24919e1ac2742a573bad40b900efa855670937fe0123978e1c2d2af0f88f78be
