[INFO] cloning repository https://github.com/robinei/ssalang3
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/robinei/ssalang3" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobinei%2Fssalang3", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobinei%2Fssalang3'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d740443fbda3e11ebb16b1a860b40324d82f54dd
[INFO] checking robinei/ssalang3 against try#3f7e3b175fda7edbf81081bcd9b91b73f2f7993f for pr-156157-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobinei%2Fssalang3" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/robinei/ssalang3
[INFO] finished tweaking git repo https://github.com/robinei/ssalang3
[INFO] tweaked toml for git repo https://github.com/robinei/ssalang3 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/robinei/ssalang3 on toolchain 3f7e3b175fda7edbf81081bcd9b91b73f2f7993f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3f7e3b175fda7edbf81081bcd9b91b73f2f7993f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/robinei/ssalang3 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" "+3f7e3b175fda7edbf81081bcd9b91b73f2f7993f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+3f7e3b175fda7edbf81081bcd9b91b73f2f7993f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b2d015739178349a19fd8d9c7c170b6d9ffcae5a4748a1387e6cdb631935b2b7
[INFO] running `Command { std: "docker" "start" "-a" "b2d015739178349a19fd8d9c7c170b6d9ffcae5a4748a1387e6cdb631935b2b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b2d015739178349a19fd8d9c7c170b6d9ffcae5a4748a1387e6cdb631935b2b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2d015739178349a19fd8d9c7c170b6d9ffcae5a4748a1387e6cdb631935b2b7", kill_on_drop: false }`
[INFO] [stdout] b2d015739178349a19fd8d9c7c170b6d9ffcae5a4748a1387e6cdb631935b2b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+3f7e3b175fda7edbf81081bcd9b91b73f2f7993f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e48ee87385c2502341033007747e7ad6e95d71f0e602b006dfdab6e64b8cb8f7
[INFO] running `Command { std: "docker" "start" "-a" "e48ee87385c2502341033007747e7ad6e95d71f0e602b006dfdab6e64b8cb8f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking similar v2.7.0
[INFO] [stderr]     Checking common v0.1.0 (/opt/rustwide/workdir/common)
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking lexer v0.1.0 (/opt/rustwide/workdir/lexer)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> common/src/concurrency.rs:18:20
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn acquire(&self) -> SemaphoreGuard {
[INFO] [stdout]    |                    ^^^^^     ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn acquire(&self) -> SemaphoreGuard<'_> {
[INFO] [stdout]    |                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> common/src/concurrency.rs:23:24
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn try_acquire(&self) -> Option<SemaphoreGuard> {
[INFO] [stdout]    |                        ^^^^^            ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn try_acquire(&self) -> Option<SemaphoreGuard<'_>> {
[INFO] [stdout]    |                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> common/src/concurrency.rs:18:20
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn acquire(&self) -> SemaphoreGuard {
[INFO] [stdout]    |                    ^^^^^     ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn acquire(&self) -> SemaphoreGuard<'_> {
[INFO] [stdout]    |                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> common/src/concurrency.rs:23:24
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn try_acquire(&self) -> Option<SemaphoreGuard> {
[INFO] [stdout]    |                        ^^^^^            ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn try_acquire(&self) -> Option<SemaphoreGuard<'_>> {
[INFO] [stdout]    |                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking ordered-float v5.0.0
[INFO] [stderr]     Checking console v0.15.11
[INFO] [stderr]     Checking insta v1.43.1
[INFO] [stderr]     Checking ir v0.1.0 (/opt/rustwide/workdir/ir)
[INFO] [stdout] warning: associated items `with_capacity`, `len`, and `is_empty` are never used
[INFO] [stdout]   --> ir/src/refmap.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | / impl<R, T> RefMap<R, T>
[INFO] [stdout] 13 | | where
[INFO] [stdout] 14 | |     R: Copy + From<RefType> + Into<RefType>,
[INFO] [stdout] 15 | |     T: Default,
[INFO] [stdout]    | |_______________- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 28 |       pub fn with_capacity(capacity: usize) -> Self {
[INFO] [stdout]    |              ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 70 |       pub fn len(&self) -> usize {
[INFO] [stdout]    |              ^^^
[INFO] [stdout] ...
[INFO] [stdout] 75 |       pub fn is_empty(&self) -> bool {
[INFO] [stdout]    |              ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> ir/src/code.rs:139:27
[INFO] [stdout]     |
[INFO] [stdout] 139 |     pub fn iter_with_refs(&self) -> CodeIterator {
[INFO] [stdout]     |                           ^^^^^     ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 139 |     pub fn iter_with_refs(&self) -> CodeIterator<'_> {
[INFO] [stdout]     |                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking ast v0.1.0 (/opt/rustwide/workdir/ast)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> ir/src/code.rs:139:27
[INFO] [stdout]     |
[INFO] [stdout] 139 |     pub fn iter_with_refs(&self) -> CodeIterator {
[INFO] [stdout]     |                           ^^^^^     ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 139 |     pub fn iter_with_refs(&self) -> CodeIterator<'_> {
[INFO] [stdout]     |                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking vm v0.1.0 (/opt/rustwide/workdir/vm)
[INFO] [stdout] warning: unused import: `Template`
[INFO] [stdout]  --> ast/src/nodes/fn_node.rs:5:120
[INFO] [stdout]   |
[INFO] [stdout] 5 |     AstNode, AstVisitor, Bindings, CompileContext, CompileError, CompileResult, FunctionContext, NodeHandle, NodeType, Template,
[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: `Template`
[INFO] [stdout]  --> ast/src/nodes/fn_node.rs:5:120
[INFO] [stdout]   |
[INFO] [stdout] 5 |     AstNode, AstVisitor, Bindings, CompileContext, CompileError, CompileResult, FunctionContext, NodeHandle, NodeType, Template,
[INFO] [stdout]   |                                                                                                                        ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `u32_value`, `f32_value`, and `f64_value` are never read
[INFO] [stdout]   --> vm/src/lib.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | union Value {
[INFO] [stdout]    |       ----- fields in this union
[INFO] [stdout] ...
[INFO] [stdout] 25 |     u32_value: u32,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 26 |     u64_value: u64,
[INFO] [stdout] 27 |     f32_value: f32,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 28 |     f64_value: f64,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Value` has a derived impl for the trait `Clone`, 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: fields `u32_value`, `f32_value`, and `f64_value` are never read
[INFO] [stdout]   --> vm/src/lib.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | union Value {
[INFO] [stdout]    |       ----- fields in this union
[INFO] [stdout] ...
[INFO] [stdout] 25 |     u32_value: u32,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 26 |     u64_value: u64,
[INFO] [stdout] 27 |     f32_value: f32,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 28 |     f64_value: f64,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Value` has a derived impl for the trait `Clone`, 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: field `code` is never read
[INFO] [stdout]    --> ast/src/lib.rs:153:5
[INFO] [stdout]     |
[INFO] [stdout] 150 | pub struct Function {
[INFO] [stdout]     |            -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 153 |     code: Code,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `code` is never read
[INFO] [stdout]    --> ast/src/lib.rs:153:5
[INFO] [stdout]     |
[INFO] [stdout] 150 | pub struct Function {
[INFO] [stdout]     |            -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 153 |     code: Code,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking main v0.1.0 (/opt/rustwide/workdir/main)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.63s
[INFO] running `Command { std: "docker" "inspect" "e48ee87385c2502341033007747e7ad6e95d71f0e602b006dfdab6e64b8cb8f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e48ee87385c2502341033007747e7ad6e95d71f0e602b006dfdab6e64b8cb8f7", kill_on_drop: false }`
[INFO] [stdout] e48ee87385c2502341033007747e7ad6e95d71f0e602b006dfdab6e64b8cb8f7
