[INFO] cloning repository https://github.com/mthom/rusty-wam
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mthom/rusty-wam" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmthom%2Frusty-wam", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmthom%2Frusty-wam'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 172b6a6f8f75b58d478299286d2f0b30be4cc561
[INFO] checking mthom/rusty-wam against master#61cc47e367d7be91e13bcd01e4e96e0e233d4f6d for pr-133502-17
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmthom%2Frusty-wam" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mthom/rusty-wam
[INFO] finished tweaking git repo https://github.com/mthom/rusty-wam
[INFO] tweaked toml for git repo https://github.com/mthom/rusty-wam written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mthom/rusty-wam on toolchain 61cc47e367d7be91e13bcd01e4e96e0e233d4f6d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+61cc47e367d7be91e13bcd01e4e96e0e233d4f6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mthom/rusty-wam 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" "+61cc47e367d7be91e13bcd01e4e96e0e233d4f6d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "+61cc47e367d7be91e13bcd01e4e96e0e233d4f6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 78df1cbbeb1c3292e92840ee3f0c5d0c881016e09d167d8b07c9a45f8b24704d
[INFO] running `Command { std: "docker" "start" "-a" "78df1cbbeb1c3292e92840ee3f0c5d0c881016e09d167d8b07c9a45f8b24704d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "78df1cbbeb1c3292e92840ee3f0c5d0c881016e09d167d8b07c9a45f8b24704d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78df1cbbeb1c3292e92840ee3f0c5d0c881016e09d167d8b07c9a45f8b24704d", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "+61cc47e367d7be91e13bcd01e4e96e0e233d4f6d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "6837797eb7d1fef4f0eaf73cc8cf1e3418d9ddb1dd66de67ea4cc9f29853d5d7", kill_on_drop: false }`
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[INFO] [stdout] warning: field `expected` is never read
[INFO] [stdout]    --> src/ffi.rs:978:9
[INFO] [stdout]     |
[INFO] [stdout] 975 |     ArgCountMismatch {
[INFO] [stdout]     |     ---------------- field in this variant
[INFO] [stdout] ...
[INFO] [stdout] 978 |         expected: usize,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `FfiError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `HeapCellValueView` is never used
[INFO] [stdout]   --> src/types.rs:52:10
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub enum HeapCellValueView {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]    --> src/machine/machine_state.rs:134:66
[INFO] [stdout]     |
[INFO] [stdout] 134 |                 if self.unify_fn as usize == MachineState::unify 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] 134 |                 if self.unify_fn as usize == MachineState::unify as *const () as usize {
[INFO] [stdout]     |                                                                  ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]    --> src/machine/machine_state.rs:136:91
[INFO] [stdout]     |
[INFO] [stdout] 136 |                 } else if self.unify_fn as usize == MachineState::unify_with_occurs_check as usize {
[INFO] [stdout]     |                                                                                           ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]     |
[INFO] [stdout] 136 |                 } else if self.unify_fn as usize == MachineState::unify_with_occurs_check as *const () as usize {
[INFO] [stdout]     |                                                                                           ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]    --> src/machine/machine_state.rs:144:64
[INFO] [stdout]     |
[INFO] [stdout] 144 |                 if self.bind_fn as usize == MachineState::bind as usize {
[INFO] [stdout]     |                                                                ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]     |
[INFO] [stdout] 144 |                 if self.bind_fn as usize == MachineState::bind as *const () as usize {
[INFO] [stdout]     |                                                                ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]    --> src/machine/machine_state.rs:147:69
[INFO] [stdout]     |
[INFO] [stdout] 147 |                     == MachineState::bind_with_occurs_check_wrapper as usize
[INFO] [stdout]     |                                                                     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]     |
[INFO] [stdout] 147 |                     == MachineState::bind_with_occurs_check_wrapper as *const () as usize
[INFO] [stdout]     |                                                                     ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]    --> src/machine/partial_string.rs:197:69
[INFO] [stdout]     |
[INFO] [stdout] 197 |         self.stepper as usize == Self::post_cycle_discovery_stepper as usize
[INFO] [stdout]     |                                                                     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]     |
[INFO] [stdout] 197 |         self.stepper as usize == Self::post_cycle_discovery_stepper as *const () as usize
[INFO] [stdout]     |                                                                     ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]     --> src/machine/system_calls.rs:9215:87
[INFO] [stdout]      |
[INFO] [stdout] 9215 |         if self.machine_st.unify_fn as usize == MachineState::unify_with_occurs_check as usize {
[INFO] [stdout]      |                                                                                       ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]      |
[INFO] [stdout] 9215 |         if self.machine_st.unify_fn as usize == MachineState::unify_with_occurs_check as *const () as usize {
[INFO] [stdout]      |                                                                                       ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]     --> src/machine/system_calls.rs:9219:65
[INFO] [stdout]      |
[INFO] [stdout] 9219 |             == MachineState::unify_with_occurs_check_with_error as usize
[INFO] [stdout]      |                                                                 ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]      |
[INFO] [stdout] 9219 |             == MachineState::unify_with_occurs_check_with_error as *const () as usize
[INFO] [stdout]      |                                                                 ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `expected` is never read
[INFO] [stdout]    --> src/ffi.rs:978:9
[INFO] [stdout]     |
[INFO] [stdout] 975 |     ArgCountMismatch {
[INFO] [stdout]     |     ---------------- field in this variant
[INFO] [stdout] ...
[INFO] [stdout] 978 |         expected: usize,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `FfiError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `HeapCellValueView` is never used
[INFO] [stdout]   --> src/types.rs:52:10
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub enum HeapCellValueView {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]    --> src/machine/machine_state.rs:134:66
[INFO] [stdout]     |
[INFO] [stdout] 134 |                 if self.unify_fn as usize == MachineState::unify 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] 134 |                 if self.unify_fn as usize == MachineState::unify as *const () as usize {
[INFO] [stdout]     |                                                                  ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]    --> src/machine/machine_state.rs:136:91
[INFO] [stdout]     |
[INFO] [stdout] 136 |                 } else if self.unify_fn as usize == MachineState::unify_with_occurs_check as usize {
[INFO] [stdout]     |                                                                                           ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]     |
[INFO] [stdout] 136 |                 } else if self.unify_fn as usize == MachineState::unify_with_occurs_check as *const () as usize {
[INFO] [stdout]     |                                                                                           ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]    --> src/machine/machine_state.rs:144:64
[INFO] [stdout]     |
[INFO] [stdout] 144 |                 if self.bind_fn as usize == MachineState::bind as usize {
[INFO] [stdout]     |                                                                ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]     |
[INFO] [stdout] 144 |                 if self.bind_fn as usize == MachineState::bind as *const () as usize {
[INFO] [stdout]     |                                                                ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]    --> src/machine/machine_state.rs:147:69
[INFO] [stdout]     |
[INFO] [stdout] 147 |                     == MachineState::bind_with_occurs_check_wrapper as usize
[INFO] [stdout]     |                                                                     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]     |
[INFO] [stdout] 147 |                     == MachineState::bind_with_occurs_check_wrapper as *const () as usize
[INFO] [stdout]     |                                                                     ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]    --> src/machine/partial_string.rs:197:69
[INFO] [stdout]     |
[INFO] [stdout] 197 |         self.stepper as usize == Self::post_cycle_discovery_stepper as usize
[INFO] [stdout]     |                                                                     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]     |
[INFO] [stdout] 197 |         self.stepper as usize == Self::post_cycle_discovery_stepper as *const () as usize
[INFO] [stdout]     |                                                                     ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]     --> src/machine/system_calls.rs:9215:87
[INFO] [stdout]      |
[INFO] [stdout] 9215 |         if self.machine_st.unify_fn as usize == MachineState::unify_with_occurs_check as usize {
[INFO] [stdout]      |                                                                                       ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]      |
[INFO] [stdout] 9215 |         if self.machine_st.unify_fn as usize == MachineState::unify_with_occurs_check as *const () as usize {
[INFO] [stdout]      |                                                                                       ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]     --> src/machine/system_calls.rs:9219:65
[INFO] [stdout]      |
[INFO] [stdout] 9219 |             == MachineState::unify_with_occurs_check_with_error as usize
[INFO] [stdout]      |                                                                 ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]      |
[INFO] [stdout] 9219 |             == MachineState::unify_with_occurs_check_with_error as *const () as usize
[INFO] [stdout]      |                                                                 ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 45s
[INFO] running `Command { std: "docker" "inspect" "6837797eb7d1fef4f0eaf73cc8cf1e3418d9ddb1dd66de67ea4cc9f29853d5d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6837797eb7d1fef4f0eaf73cc8cf1e3418d9ddb1dd66de67ea4cc9f29853d5d7", kill_on_drop: false }`
[INFO] [stdout] 6837797eb7d1fef4f0eaf73cc8cf1e3418d9ddb1dd66de67ea4cc9f29853d5d7
