[INFO] fetching crate steel-core 0.8.2...
[INFO] checking steel-core-0.8.2 against master#9e293ae9f8abecb0be5105787d181518c9012a19 for pr-146440-1
[INFO] extracting crate steel-core 0.8.2 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate steel-core 0.8.2
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate steel-core 0.8.2
[INFO] tweaked toml for crates.io crate steel-core 0.8.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate steel-core 0.8.2 on toolchain 9e293ae9f8abecb0be5105787d181518c9012a19
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9e293ae9f8abecb0be5105787d181518c9012a19" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate steel-core 0.8.2 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" "+9e293ae9f8abecb0be5105787d181518c9012a19" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+9e293ae9f8abecb0be5105787d181518c9012a19" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "ce73370d1c50c3d36aecdacb5856c89fb2e37f8c8f84a8e50383d08ca9170d2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce73370d1c50c3d36aecdacb5856c89fb2e37f8c8f84a8e50383d08ca9170d2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce73370d1c50c3d36aecdacb5856c89fb2e37f8c8f84a8e50383d08ca9170d2e", kill_on_drop: false }`
[INFO] [stdout] ce73370d1c50c3d36aecdacb5856c89fb2e37f8c8f84a8e50383d08ca9170d2e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+9e293ae9f8abecb0be5105787d181518c9012a19" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "151a34e704e9c2d1dd0c563505d2d6c16899fa0fb6e8775a8a1b5c9b95d61654", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `once_cell::sync::Lazy`
[INFO] [stdout]  --> src/env.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use once_cell::sync::Lazy;
[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: `ContinuationMark`
[INFO] [stdout]   --> src/rvals.rs:21:77
[INFO] [stdout]    |
[INFO] [stdout] 21 |         threads::closure_into_serializable, BuiltInSignature, Continuation, ContinuationMark,
[INFO] [stdout]    |                                                                             ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `parking_lot::RwLock`
[INFO] [stdout]   --> src/rvals.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 74 | use parking_lot::RwLock;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::env::SharedVectorWrapper`
[INFO] [stdout]  --> src/steel_vm/vm.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::env::SharedVectorWrapper;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `once_cell::sync::Lazy`
[INFO] [stdout]  --> src/env.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use once_cell::sync::Lazy;
[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: `ContinuationMark`
[INFO] [stdout]   --> src/rvals.rs:21:77
[INFO] [stdout]    |
[INFO] [stdout] 21 |         threads::closure_into_serializable, BuiltInSignature, Continuation, ContinuationMark,
[INFO] [stdout]    |                                                                             ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `parking_lot::RwLock`
[INFO] [stdout]   --> src/rvals.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 74 | use parking_lot::RwLock;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::env::SharedVectorWrapper`
[INFO] [stdout]  --> src/steel_vm/vm.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::env::SharedVectorWrapper;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SharedVectorWrapper` is never constructed
[INFO] [stdout]  --> src/env.rs:6:19
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub(crate) struct SharedVectorWrapper(pub AtomicSharedVector<SteelVal>);
[INFO] [stdout]   |                   ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `set_idx` and `repl_define_idx` are never used
[INFO] [stdout]   --> src/env.rs:9:12
[INFO] [stdout]    |
[INFO] [stdout]  8 | impl SharedVectorWrapper {
[INFO] [stdout]    | ------------------------ methods in this implementation
[INFO] [stdout]  9 |     pub fn set_idx(&mut self, idx: usize, val: SteelVal) -> SteelVal {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub fn repl_define_idx(&mut self, idx: usize, val: SteelVal) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `extract` and `add_root_value` are never used
[INFO] [stdout]    --> src/env.rs:70:12
[INFO] [stdout]     |
[INFO] [stdout]  69 | impl Env {
[INFO] [stdout]     | -------- methods in this implementation
[INFO] [stdout]  70 |     pub fn extract(&self, idx: usize) -> Option<SteelVal> {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 142 |     pub fn add_root_value(&mut self, idx: usize, val: SteelVal) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `unchecked_car` is never used
[INFO] [stdout]    --> src/primitives/lists.rs:619:22
[INFO] [stdout]     |
[INFO] [stdout] 619 | pub(crate) unsafe fn unchecked_car(list: &SteelVal) -> SteelVal {
[INFO] [stdout]     |                      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cdr_no_check` is never used
[INFO] [stdout]    --> src/primitives/lists.rs:681:22
[INFO] [stdout]     |
[INFO] [stdout] 681 | pub(crate) unsafe fn cdr_no_check(arg: &mut SteelVal) -> SteelVal {
[INFO] [stdout]     |                      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `call_per_ctx` is never used
[INFO] [stdout]    --> src/steel_vm/vm.rs:583:26
[INFO] [stdout]     |
[INFO] [stdout] 514 | impl Synchronizer {
[INFO] [stdout]     | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 583 |     pub(crate) unsafe fn call_per_ctx(&self, mut func: impl FnMut(&mut SteelThread)) {
[INFO] [stdout]     |                          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `enter_safepoint_once` is never used
[INFO] [stdout]    --> src/steel_vm/vm.rs:883:12
[INFO] [stdout]     |
[INFO] [stdout] 740 | impl SteelThread {
[INFO] [stdout]     | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 883 |     pub fn enter_safepoint_once(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `handle_set_local_value` is never used
[INFO] [stdout]     --> src/steel_vm/vm.rs:4638:8
[INFO] [stdout]      |
[INFO] [stdout] 1642 | impl<'a> VmCore<'a> {
[INFO] [stdout]      | ------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 4638 |     fn handle_set_local_value(&mut self, index: usize, value_to_set: SteelVal) -> SteelVal {
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `CellPointer` is never used
[INFO] [stdout]    --> src/values/lists.rs:249:17
[INFO] [stdout]     |
[INFO] [stdout] 249 | pub(crate) type CellPointer<T> = im_lists::list::RawCell<T, PointerType, 4, 2, DropHandlerChoice>;
[INFO] [stdout]     |                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SharedVectorWrapper` is never constructed
[INFO] [stdout]  --> src/env.rs:6:19
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub(crate) struct SharedVectorWrapper(pub AtomicSharedVector<SteelVal>);
[INFO] [stdout]   |                   ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `set_idx` and `repl_define_idx` are never used
[INFO] [stdout]   --> src/env.rs:9:12
[INFO] [stdout]    |
[INFO] [stdout]  8 | impl SharedVectorWrapper {
[INFO] [stdout]    | ------------------------ methods in this implementation
[INFO] [stdout]  9 |     pub fn set_idx(&mut self, idx: usize, val: SteelVal) -> SteelVal {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub fn repl_define_idx(&mut self, idx: usize, val: SteelVal) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `extract` and `add_root_value` are never used
[INFO] [stdout]    --> src/env.rs:70:12
[INFO] [stdout]     |
[INFO] [stdout]  69 | impl Env {
[INFO] [stdout]     | -------- methods in this implementation
[INFO] [stdout]  70 |     pub fn extract(&self, idx: usize) -> Option<SteelVal> {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 142 |     pub fn add_root_value(&mut self, idx: usize, val: SteelVal) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `unchecked_car` is never used
[INFO] [stdout]    --> src/primitives/lists.rs:619:22
[INFO] [stdout]     |
[INFO] [stdout] 619 | pub(crate) unsafe fn unchecked_car(list: &SteelVal) -> SteelVal {
[INFO] [stdout]     |                      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cdr_no_check` is never used
[INFO] [stdout]    --> src/primitives/lists.rs:681:22
[INFO] [stdout]     |
[INFO] [stdout] 681 | pub(crate) unsafe fn cdr_no_check(arg: &mut SteelVal) -> SteelVal {
[INFO] [stdout]     |                      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `call_per_ctx` is never used
[INFO] [stdout]    --> src/steel_vm/vm.rs:583:26
[INFO] [stdout]     |
[INFO] [stdout] 514 | impl Synchronizer {
[INFO] [stdout]     | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 583 |     pub(crate) unsafe fn call_per_ctx(&self, mut func: impl FnMut(&mut SteelThread)) {
[INFO] [stdout]     |                          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `enter_safepoint_once` is never used
[INFO] [stdout]    --> src/steel_vm/vm.rs:883:12
[INFO] [stdout]     |
[INFO] [stdout] 740 | impl SteelThread {
[INFO] [stdout]     | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 883 |     pub fn enter_safepoint_once(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `handle_set_local_value` is never used
[INFO] [stdout]     --> src/steel_vm/vm.rs:4638:8
[INFO] [stdout]      |
[INFO] [stdout] 1642 | impl<'a> VmCore<'a> {
[INFO] [stdout]      | ------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 4638 |     fn handle_set_local_value(&mut self, index: usize, value_to_set: SteelVal) -> SteelVal {
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `CellPointer` is never used
[INFO] [stdout]    --> src/values/lists.rs:249:17
[INFO] [stdout]     |
[INFO] [stdout] 249 | pub(crate) type CellPointer<T> = im_lists::list::RawCell<T, PointerType, 4, 2, DropHandlerChoice>;
[INFO] [stdout]     |                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 50.68s
[INFO] running `Command { std: "docker" "inspect" "151a34e704e9c2d1dd0c563505d2d6c16899fa0fb6e8775a8a1b5c9b95d61654", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "151a34e704e9c2d1dd0c563505d2d6c16899fa0fb6e8775a8a1b5c9b95d61654", kill_on_drop: false }`
[INFO] [stdout] 151a34e704e9c2d1dd0c563505d2d6c16899fa0fb6e8775a8a1b5c9b95d61654
