[INFO] fetching crate borrowscope-runtime 0.1.2...
[INFO] checking borrowscope-runtime-0.1.2 against master#035b01b794602d5861daa43ac792f372f8981ed7 for 152214-denied-retry-0
[INFO] extracting crate borrowscope-runtime 0.1.2 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate borrowscope-runtime 0.1.2
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate borrowscope-runtime 0.1.2
[INFO] tweaked toml for crates.io crate borrowscope-runtime 0.1.2 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate borrowscope-runtime 0.1.2 on toolchain 035b01b794602d5861daa43ac792f372f8981ed7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+035b01b794602d5861daa43ac792f372f8981ed7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate borrowscope-runtime 0.1.2 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" "+035b01b794602d5861daa43ac792f372f8981ed7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quickcheck_macros v1.1.0
[INFO] [stderr]   Downloaded env_logger v0.8.4
[INFO] [stderr]   Downloaded quickcheck v1.0.3
[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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+035b01b794602d5861daa43ac792f372f8981ed7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "b540e2b15326c021d1c41e6b13425520cdbc766e26cbce96e32474b8eb1646f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b540e2b15326c021d1c41e6b13425520cdbc766e26cbce96e32474b8eb1646f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b540e2b15326c021d1c41e6b13425520cdbc766e26cbce96e32474b8eb1646f6", kill_on_drop: false }`
[INFO] [stdout] b540e2b15326c021d1c41e6b13425520cdbc766e26cbce96e32474b8eb1646f6
[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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+035b01b794602d5861daa43ac792f372f8981ed7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6284289057ed79512c5f3782a60ad0cab5720a3eaac481be74e62db3eedf3fe
[INFO] running `Command { std: "docker" "start" "-a" "b6284289057ed79512c5f3782a60ad0cab5720a3eaac481be74e62db3eedf3fe", kill_on_drop: false }`
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[INFO] [stderr]     Checking serde v1.0.228
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[INFO] [stdout] warning: unused import: `super::TRACKER`
[INFO] [stdout]  --> src/tracker/sampling.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use super::TRACKER;
[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: `super::TRACKER`
[INFO] [stdout]  --> src/tracker/core.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::TRACKER;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::TRACKER`
[INFO] [stdout]  --> src/tracker/smart_pointers.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::TRACKER;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::TRACKER`
[INFO] [stdout]  --> src/tracker/interior_mut.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::TRACKER;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::TRACKER`
[INFO] [stdout]  --> src/tracker/unsafe_code.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::TRACKER;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::TRACKER`
[INFO] [stdout]  --> src/tracker/async_tracking.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::TRACKER;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::TRACKER`
[INFO] [stdout]  --> src/tracker/control_flow.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::TRACKER;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::TRACKER`
[INFO] [stdout]  --> src/tracker/expressions.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::TRACKER;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::TRACKER`
[INFO] [stdout]  --> src/tracker/statics.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::TRACKER;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::TRACKER`
[INFO] [stdout]  --> src/tracker/concurrency.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::TRACKER;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::TRACKER`
[INFO] [stdout]  --> src/tracker/maybe_uninit.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::TRACKER;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking proptest v1.9.0
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stdout] warning: fields `value` and `name` are never read
[INFO] [stdout]   --> examples/pin_tracking.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |     struct Data {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 25 |         value: i32,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 26 |         name: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Data` 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: unused variable: `x_pos`
[INFO] [stdout]    --> examples/memory_scaling_analysis.rs:140:17
[INFO] [stdout]     |
[INFO] [stdout] 140 |             let x_pos = (i * chart_width) / (results.len() - 1);
[INFO] [stdout]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_x_pos`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `data` is never read
[INFO] [stdout]    --> tests/pin_tracking_tests.rs:197:9
[INFO] [stdout]     |
[INFO] [stdout] 196 |     struct LargeStruct {
[INFO] [stdout]     |            ----------- field in this struct
[INFO] [stdout] 197 |         data: [u8; 1024],
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `LargeStruct` 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: unused variable: `w4`
[INFO] [stdout]    --> tests/weak_tracking_tests.rs:291:9
[INFO] [stdout]     |
[INFO] [stdout] 291 |     let w4 = track_weak_clone("w4", "w3", "test:4", w3.clone());
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_w4`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (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]   --> examples/cow_tracking.rs:48:23
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn process(input: &str) -> Cow<str> {
[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] 48 |     fn process(input: &str) -> Cow<'_, str> {
[INFO] [stdout]    |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> tests/cow_tracking_tests.rs:262:30
[INFO] [stdout]     |
[INFO] [stdout] 262 |     fn process_string(input: &str) -> Cow<str> {
[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] 262 |     fn process_string(input: &str) -> Cow<'_, str> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> tests/cow_tracking_tests.rs:286:29
[INFO] [stdout]     |
[INFO] [stdout] 286 |     fn normalize_path(path: &str) -> Cow<str> {
[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] 286 |     fn normalize_path(path: &str) -> Cow<'_, str> {
[INFO] [stdout]     |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `input` and `output` are never read
[INFO] [stdout]   --> examples/thread_tracking.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |     struct ComputeResult {
[INFO] [stdout]    |            ------------- fields in this struct
[INFO] [stdout] 65 |         input: i32,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 66 |         output: i32,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ComputeResult` 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: unused import: `super::TRACKER`
[INFO] [stdout]  --> src/tracker/sampling.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use super::TRACKER;
[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: `super::TRACKER`
[INFO] [stdout]  --> src/tracker/core.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::TRACKER;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::TRACKER`
[INFO] [stdout]  --> src/tracker/smart_pointers.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::TRACKER;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::TRACKER`
[INFO] [stdout]  --> src/tracker/interior_mut.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::TRACKER;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::TRACKER`
[INFO] [stdout]  --> src/tracker/unsafe_code.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::TRACKER;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::TRACKER`
[INFO] [stdout]  --> src/tracker/async_tracking.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::TRACKER;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::TRACKER`
[INFO] [stdout]  --> src/tracker/control_flow.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::TRACKER;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::TRACKER`
[INFO] [stdout]  --> src/tracker/expressions.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::TRACKER;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::TRACKER`
[INFO] [stdout]  --> src/tracker/statics.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::TRACKER;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::TRACKER`
[INFO] [stdout]  --> src/tracker/concurrency.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::TRACKER;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::TRACKER`
[INFO] [stdout]  --> src/tracker/maybe_uninit.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::TRACKER;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.96s
[INFO] running `Command { std: "docker" "inspect" "b6284289057ed79512c5f3782a60ad0cab5720a3eaac481be74e62db3eedf3fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6284289057ed79512c5f3782a60ad0cab5720a3eaac481be74e62db3eedf3fe", kill_on_drop: false }`
[INFO] [stdout] b6284289057ed79512c5f3782a60ad0cab5720a3eaac481be74e62db3eedf3fe
