[INFO] fetching crate steel-core 0.7.0...
[INFO] checking steel-core-0.7.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate steel-core 0.7.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate steel-core 0.7.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate steel-core 0.7.0
[INFO] tweaked toml for crates.io crate steel-core 0.7.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate steel-core 0.7.0 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate steel-core 0.7.0 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 84fe2af3e89d5fe0e7bf277e99b939cd0f640f0a17051467ac4fdbba8f84eb55
[INFO] running `Command { std: "docker" "start" "-a" "84fe2af3e89d5fe0e7bf277e99b939cd0f640f0a17051467ac4fdbba8f84eb55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84fe2af3e89d5fe0e7bf277e99b939cd0f640f0a17051467ac4fdbba8f84eb55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84fe2af3e89d5fe0e7bf277e99b939cd0f640f0a17051467ac4fdbba8f84eb55", kill_on_drop: false }`
[INFO] [stdout] 84fe2af3e89d5fe0e7bf277e99b939cd0f640f0a17051467ac4fdbba8f84eb55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a62bc6bb339309126acb8c0bf0aad28045d321145b7478bf2b9f28ca641ef13
[INFO] running `Command { std: "docker" "start" "-a" "3a62bc6bb339309126acb8c0bf0aad28045d321145b7478bf2b9f28ca641ef13", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking bitflags v2.9.0
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling rustix v1.0.7
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]     Checking linux-raw-sys v0.9.4
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking allocator-api2 v0.2.21
[INFO] [stderr]    Compiling libm v0.2.13
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking castaway v0.2.3
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking bitmaps v2.1.0
[INFO] [stderr]    Compiling im-rc v15.1.0
[INFO] [stderr]    Compiling bigdecimal v0.4.8
[INFO] [stderr]     Checking tracing-core v0.1.33
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking anstyle v1.0.11
[INFO] [stderr]    Compiling codegen v0.2.0
[INFO] [stderr]     Checking linux-raw-sys v0.4.15
[INFO] [stderr]     Checking typed-arena v2.0.2
[INFO] [stderr]     Checking futures-task v0.3.31
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[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling steel-derive v0.6.0
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking hashbrown v0.14.5
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[INFO] [stderr]     Checking criterion v0.5.1
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[INFO] [stderr]    Compiling steel-core v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking steel-parser v0.7.0
[INFO] [stdout] warning: unused import: `crate::stop`
[INFO] [stdout]  --> src/gc.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::stop;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `stop`
[INFO] [stdout]   --> src/steel_vm/transducers.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     stop,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `stop`
[INFO] [stdout]   --> src/steel_vm/vm.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 |     stop,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::stop`
[INFO] [stdout]  --> src/gc.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::stop;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `stop`
[INFO] [stdout]   --> src/steel_vm/transducers.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     stop,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `stop`
[INFO] [stdout]   --> src/steel_vm/vm.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 |     stop,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `InstructionPattern` is never constructed
[INFO] [stdout]     --> src/steel_vm/vm.rs:5188:12
[INFO] [stdout]      |
[INFO] [stdout] 5188 | pub struct InstructionPattern {
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<u24, std::convert::Infallible>
[INFO] [stdout]     --> src/compiler/program.rs:1161:25
[INFO] [stdout]      |
[INFO] [stdout] 1161 |                         i.payload_size.try_into().unwrap_or_else(|_| {
[INFO] [stdout]      |                         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]    --> src/steel_vm/builtin.rs:175:15
[INFO] [stdout]     |
[INFO] [stdout] 173 | #[derive(Copy, Clone, Hash, PartialEq, Eq)]
[INFO] [stdout]     |                             --------- in this derive macro expansion
[INFO] [stdout] 174 | pub enum BuiltInFunctionType {
[INFO] [stdout] 175 |     Reference(FunctionSignature),
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the address of the same function can vary between different codegen units
[INFO] [stdout]     = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]     = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout]     = note: `#[warn(unpredictable_function_pointer_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]    --> src/steel_vm/builtin.rs:176:13
[INFO] [stdout]     |
[INFO] [stdout] 173 | #[derive(Copy, Clone, Hash, PartialEq, Eq)]
[INFO] [stdout]     |                             --------- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 176 |     Mutable(MutFunctionSignature),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the address of the same function can vary between different codegen units
[INFO] [stdout]     = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]     = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]    --> src/steel_vm/builtin.rs:177:13
[INFO] [stdout]     |
[INFO] [stdout] 173 | #[derive(Copy, Clone, Hash, PartialEq, Eq)]
[INFO] [stdout]     |                             --------- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 177 |     Context(BuiltInSignature),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the address of the same function can vary between different codegen units
[INFO] [stdout]     = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]     = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `steel-core` (lib test) due to 1 previous error; 7 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: struct `InstructionPattern` is never constructed
[INFO] [stdout]     --> src/steel_vm/vm.rs:5188:12
[INFO] [stdout]      |
[INFO] [stdout] 5188 | pub struct InstructionPattern {
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<u24, std::convert::Infallible>
[INFO] [stdout]     --> src/compiler/program.rs:1161:25
[INFO] [stdout]      |
[INFO] [stdout] 1161 |                         i.payload_size.try_into().unwrap_or_else(|_| {
[INFO] [stdout]      |                         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]    --> src/steel_vm/builtin.rs:175:15
[INFO] [stdout]     |
[INFO] [stdout] 173 | #[derive(Copy, Clone, Hash, PartialEq, Eq)]
[INFO] [stdout]     |                             --------- in this derive macro expansion
[INFO] [stdout] 174 | pub enum BuiltInFunctionType {
[INFO] [stdout] 175 |     Reference(FunctionSignature),
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the address of the same function can vary between different codegen units
[INFO] [stdout]     = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]     = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout]     = note: `#[warn(unpredictable_function_pointer_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]    --> src/steel_vm/builtin.rs:176:13
[INFO] [stdout]     |
[INFO] [stdout] 173 | #[derive(Copy, Clone, Hash, PartialEq, Eq)]
[INFO] [stdout]     |                             --------- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 176 |     Mutable(MutFunctionSignature),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the address of the same function can vary between different codegen units
[INFO] [stdout]     = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]     = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]    --> src/steel_vm/builtin.rs:177:13
[INFO] [stdout]     |
[INFO] [stdout] 173 | #[derive(Copy, Clone, Hash, PartialEq, Eq)]
[INFO] [stdout]     |                             --------- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 177 |     Context(BuiltInSignature),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the address of the same function can vary between different codegen units
[INFO] [stdout]     = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]     = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `steel-core` (lib) due to 1 previous error; 7 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "3a62bc6bb339309126acb8c0bf0aad28045d321145b7478bf2b9f28ca641ef13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a62bc6bb339309126acb8c0bf0aad28045d321145b7478bf2b9f28ca641ef13", kill_on_drop: false }`
[INFO] [stdout] 3a62bc6bb339309126acb8c0bf0aad28045d321145b7478bf2b9f28ca641ef13
