[INFO] cloning repository https://github.com/naerbnic/loon
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/naerbnic/loon" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnaerbnic%2Floon", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnaerbnic%2Floon'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c91fe0c344235a270729a171fd72a9781072a537
[INFO] checking naerbnic/loon against 8773d2c75a8e90130dcce745a7ec4e66bb9963db+rustflags=-Aunfulfilled-lint-expectations for pr-163637
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnaerbnic%2Floon" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/naerbnic/loon
[INFO] finished tweaking git repo https://github.com/naerbnic/loon
[INFO] tweaked toml for git repo https://github.com/naerbnic/loon written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/naerbnic/loon on toolchain 8773d2c75a8e90130dcce745a7ec4e66bb9963db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8773d2c75a8e90130dcce745a7ec4e66bb9963db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/naerbnic/loon 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" "+8773d2c75a8e90130dcce745a7ec4e66bb9963db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.81
[INFO] [stderr]   Downloaded thiserror v1.0.59
[INFO] [stderr]   Downloaded thiserror-impl v1.0.59
[INFO] [stderr]   Downloaded lexpr-macros v0.2.2
[INFO] [stderr]   Downloaded lexpr v0.2.7
[INFO] [stderr]   Downloaded anyhow v1.0.82
[INFO] [stderr]   Downloaded syn v2.0.60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 3c7369810d265309b9e70cbf886e8fd3016baa56c94c95e6e84446c8f07ed250
[INFO] running `Command { std: "docker" "start" "3c7369810d265309b9e70cbf886e8fd3016baa56c94c95e6e84446c8f07ed250", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c7369810d265309b9e70cbf886e8fd3016baa56c94c95e6e84446c8f07ed250", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "3c7369810d265309b9e70cbf886e8fd3016baa56c94c95e6e84446c8f07ed250" "/opt/rustwide/cargo-home/bin/cargo" "+8773d2c75a8e90130dcce745a7ec4e66bb9963db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c7369810d265309b9e70cbf886e8fd3016baa56c94c95e6e84446c8f07ed250", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Aunfulfilled-lint-expectations" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "3c7369810d265309b9e70cbf886e8fd3016baa56c94c95e6e84446c8f07ed250" "/opt/rustwide/cargo-home/bin/cargo" "+8773d2c75a8e90130dcce745a7ec4e66bb9963db" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.81
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]    Compiling thiserror v1.0.59
[INFO] [stderr]    Compiling anyhow v1.0.82
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.60
[INFO] [stderr]    Compiling lexpr-macros v0.2.2
[INFO] [stderr]     Checking lexpr v0.2.7
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]    Compiling thiserror-impl v1.0.59
[INFO] [stderr]     Checking loon v0.1.0-alpha.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Opcode` is never constructed
[INFO] [stdout]   --> src/binary/instructions.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Opcode(ImmString);
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Inner` is never constructed
[INFO] [stdout]  --> src/runtime/stack.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Inner {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Stack` is never constructed
[INFO] [stdout]   --> src/runtime/stack.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct Stack(GcRef<Inner>);
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/gc/core.rs:284:23
[INFO] [stdout]     |
[INFO] [stdout] 284 |     pub fn try_borrow(&self) -> Option<GcRefGuard<T>> {
[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] 284 |     pub fn try_borrow(&self) -> Option<GcRefGuard<'_, T>> {
[INFO] [stdout]     |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/gc/core.rs:292:19
[INFO] [stdout]     |
[INFO] [stdout] 292 |     pub fn borrow(&self) -> GcRefGuard<T> {
[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] 292 |     pub fn borrow(&self) -> GcRefGuard<'_, T> {
[INFO] [stdout]     |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lat/mod.rs:324:28
[INFO] [stdout]     |
[INFO] [stdout] 324 | fn parse_export_item(body: &lexpr::Value) -> Result<ExportItem> {
[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] 324 | fn parse_export_item(body: &lexpr::Value) -> Result<ExportItem<'_>> {
[INFO] [stdout]     |                                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/runtime/top_level.rs:64:18
[INFO] [stdout]    |
[INFO] [stdout] 64 |     pub fn stack(&self) -> Stack {
[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] 64 |     pub fn stack(&self) -> Stack<'_> {
[INFO] [stdout]    |                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/runtime/value/function/native.rs:84:18
[INFO] [stdout]    |
[INFO] [stdout] 84 |     pub fn stack(&mut self) -> StackContext {
[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] 84 |     pub fn stack(&mut self) -> StackContext<'_> {
[INFO] [stdout]    |                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Opcode` is never constructed
[INFO] [stdout]   --> src/binary/instructions.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Opcode(ImmString);
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Inner` is never constructed
[INFO] [stdout]  --> src/runtime/stack.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Inner {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Stack` is never constructed
[INFO] [stdout]   --> src/runtime/stack.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct Stack(GcRef<Inner>);
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/gc/core.rs:284:23
[INFO] [stdout]     |
[INFO] [stdout] 284 |     pub fn try_borrow(&self) -> Option<GcRefGuard<T>> {
[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] 284 |     pub fn try_borrow(&self) -> Option<GcRefGuard<'_, T>> {
[INFO] [stdout]     |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/gc/core.rs:292:19
[INFO] [stdout]     |
[INFO] [stdout] 292 |     pub fn borrow(&self) -> GcRefGuard<T> {
[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] 292 |     pub fn borrow(&self) -> GcRefGuard<'_, T> {
[INFO] [stdout]     |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lat/mod.rs:324:28
[INFO] [stdout]     |
[INFO] [stdout] 324 | fn parse_export_item(body: &lexpr::Value) -> Result<ExportItem> {
[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] 324 | fn parse_export_item(body: &lexpr::Value) -> Result<ExportItem<'_>> {
[INFO] [stdout]     |                                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/runtime/top_level.rs:64:18
[INFO] [stdout]    |
[INFO] [stdout] 64 |     pub fn stack(&self) -> Stack {
[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] 64 |     pub fn stack(&self) -> Stack<'_> {
[INFO] [stdout]    |                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/runtime/value/function/native.rs:84:18
[INFO] [stdout]    |
[INFO] [stdout] 84 |     pub fn stack(&mut self) -> StackContext {
[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] 84 |     pub fn stack(&mut self) -> StackContext<'_> {
[INFO] [stdout]    |                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.74s
[INFO] running `Command { std: "docker" "inspect" "3c7369810d265309b9e70cbf886e8fd3016baa56c94c95e6e84446c8f07ed250", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c7369810d265309b9e70cbf886e8fd3016baa56c94c95e6e84446c8f07ed250", kill_on_drop: false }`
[INFO] [stdout] 3c7369810d265309b9e70cbf886e8fd3016baa56c94c95e6e84446c8f07ed250
