[INFO] cloning repository https://github.com/timbarnes/f3
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/timbarnes/f3" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimbarnes%2Ff3", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimbarnes%2Ff3'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2ca8f017db0ad3971025833f8854f40431369a02
[INFO] checking timbarnes/f3 against try#50d7e48beb74b48bd17c3749bfb73843c9ae0166 for pr-151102
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimbarnes%2Ff3" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/timbarnes/f3
[INFO] finished tweaking git repo https://github.com/timbarnes/f3
[INFO] tweaked toml for git repo https://github.com/timbarnes/f3 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/timbarnes/f3 on toolchain 50d7e48beb74b48bd17c3749bfb73843c9ae0166
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+50d7e48beb74b48bd17c3749bfb73843c9ae0166" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/timbarnes/f3 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" "+50d7e48beb74b48bd17c3749bfb73843c9ae0166" "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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+50d7e48beb74b48bd17c3749bfb73843c9ae0166" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e9d38f43de4b7a437fcaa38c2c9edea87b8b5e7de3def344594b36d6be43dd39
[INFO] running `Command { std: "docker" "start" "-a" "e9d38f43de4b7a437fcaa38c2c9edea87b8b5e7de3def344594b36d6be43dd39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9d38f43de4b7a437fcaa38c2c9edea87b8b5e7de3def344594b36d6be43dd39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9d38f43de4b7a437fcaa38c2c9edea87b8b5e7de3def344594b36d6be43dd39", kill_on_drop: false }`
[INFO] [stdout] e9d38f43de4b7a437fcaa38c2c9edea87b8b5e7de3def344594b36d6be43dd39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+50d7e48beb74b48bd17c3749bfb73843c9ae0166" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ff87e0b70594befadcf3b0cc32e7ce142b5854541d44b7df15dc3b30401ef68
[INFO] running `Command { std: "docker" "start" "-a" "6ff87e0b70594befadcf3b0cc32e7ce142b5854541d44b7df15dc3b30401ef68", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustix v1.0.7
[INFO] [stderr]    Compiling convert_case v0.7.1
[INFO] [stderr]    Compiling syn v2.0.103
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling derive_more-impl v2.0.1
[INFO] [stderr]    Compiling argh_derive v0.1.13
[INFO] [stderr]     Checking derive_more v2.0.1
[INFO] [stderr]     Checking crossterm v0.29.0
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]     Checking argh_shared v0.1.13
[INFO] [stderr]     Checking argh v0.1.13
[INFO] [stderr]     Checking f3 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]   --> src/internals/builtin.rs:54:53
[INFO] [stdout]    |
[INFO] [stdout] 54 |         assert_eq!(builtin_fn.code as usize, num_fn as usize);
[INFO] [stdout]    |                                                     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(function_casts_as_integer)]` on by default
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]    |
[INFO] [stdout] 54 |         assert_eq!(builtin_fn.code as usize, num_fn as *const () as usize);
[INFO] [stdout]    |                                                     ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.63s
[INFO] running `Command { std: "docker" "inspect" "6ff87e0b70594befadcf3b0cc32e7ce142b5854541d44b7df15dc3b30401ef68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ff87e0b70594befadcf3b0cc32e7ce142b5854541d44b7df15dc3b30401ef68", kill_on_drop: false }`
[INFO] [stdout] 6ff87e0b70594befadcf3b0cc32e7ce142b5854541d44b7df15dc3b30401ef68