[INFO] cloning repository https://github.com/shrenikbhatt/dmm-test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shrenikbhatt/dmm-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshrenikbhatt%2Fdmm-test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshrenikbhatt%2Fdmm-test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] abcaaaa834daef7fb733d078f62dc6c4d411254e
[INFO] checking shrenikbhatt/dmm-test against try#987a165cfab916796a8315782b83ac460a651ce2 for pr-145262
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshrenikbhatt%2Fdmm-test" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/shrenikbhatt/dmm-test
[INFO] finished tweaking git repo https://github.com/shrenikbhatt/dmm-test
[INFO] tweaked toml for git repo https://github.com/shrenikbhatt/dmm-test written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/shrenikbhatt/dmm-test on toolchain 987a165cfab916796a8315782b83ac460a651ce2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+987a165cfab916796a8315782b83ac460a651ce2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/shrenikbhatt/dmm-test 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" "+987a165cfab916796a8315782b83ac460a651ce2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+987a165cfab916796a8315782b83ac460a651ce2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b71289754eb0fd900493fdd9ed82e4736fa9fe622d988ae1c0636362ede04364
[INFO] running `Command { std: "docker" "start" "-a" "b71289754eb0fd900493fdd9ed82e4736fa9fe622d988ae1c0636362ede04364", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b71289754eb0fd900493fdd9ed82e4736fa9fe622d988ae1c0636362ede04364", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b71289754eb0fd900493fdd9ed82e4736fa9fe622d988ae1c0636362ede04364", kill_on_drop: false }`
[INFO] [stdout] b71289754eb0fd900493fdd9ed82e4736fa9fe622d988ae1c0636362ede04364
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+987a165cfab916796a8315782b83ac460a651ce2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e288ff5ed93df249b963d6d9334b33fbf955088f840b721a3b6a920775f7c70
[INFO] running `Command { std: "docker" "start" "-a" "4e288ff5ed93df249b963d6d9334b33fbf955088f840b721a3b6a920775f7c70", kill_on_drop: false }`
[INFO] [stderr]     Checking allocators v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `strict_provenance` has been stable since 1.84.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(strict_provenance)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `mutex_unlock`
[INFO] [stdout]  --> src/main.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(mutex_unlock)]
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `strict_provenance` has been stable since 1.84.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(strict_provenance)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `mutex_unlock`
[INFO] [stdout]  --> src/main.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(mutex_unlock)]
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `unlock` found for struct `std::sync::Mutex<T>` in the current scope
[INFO] [stdout]    --> src/buddy.rs:253:16
[INFO] [stdout]     |
[INFO] [stdout] 253 |         Mutex::unlock(alloc_mutex);
[INFO] [stdout]     |                ^^^^^^ function or associated item not found in `std::sync::Mutex<_>`
[INFO] [stdout]     |
[INFO] [stdout] note: if you're trying to build a new `std::sync::Mutex<_>`, consider using `std::sync::Mutex::<T>::new` which returns `std::sync::Mutex<_>`
[INFO] [stdout]    --> /rustc/987a165cfab916796a8315782b83ac460a651ce2/library/std/src/sync/poison/mutex.rs:350:5
[INFO] [stdout] help: there is a method `lock` with a similar name, but with different arguments
[INFO] [stdout]    --> /rustc/987a165cfab916796a8315782b83ac460a651ce2/library/std/src/sync/poison/mutex.rs:487:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `unlock` found for struct `std::sync::Mutex<T>` in the current scope
[INFO] [stdout]   --> src/main.rs:79:12
[INFO] [stdout]    |
[INFO] [stdout] 79 |     Mutex::unlock(alloc);
[INFO] [stdout]    |            ^^^^^^ function or associated item not found in `std::sync::Mutex<_>`
[INFO] [stdout]    |
[INFO] [stdout] note: if you're trying to build a new `std::sync::Mutex<_>`, consider using `std::sync::Mutex::<T>::new` which returns `std::sync::Mutex<_>`
[INFO] [stdout]   --> /rustc/987a165cfab916796a8315782b83ac460a651ce2/library/std/src/sync/poison/mutex.rs:350:5
[INFO] [stdout] help: there is a method `lock` with a similar name, but with different arguments
[INFO] [stdout]   --> /rustc/987a165cfab916796a8315782b83ac460a651ce2/library/std/src/sync/poison/mutex.rs:487:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `unlock` found for struct `std::sync::Mutex<T>` in the current scope
[INFO] [stdout]    --> src/buddy.rs:268:16
[INFO] [stdout]     |
[INFO] [stdout] 268 |         Mutex::unlock(alloc_mutex);
[INFO] [stdout]     |                ^^^^^^ function or associated item not found in `std::sync::Mutex<_>`
[INFO] [stdout]     |
[INFO] [stdout] note: if you're trying to build a new `std::sync::Mutex<_>`, consider using `std::sync::Mutex::<T>::new` which returns `std::sync::Mutex<_>`
[INFO] [stdout]    --> /rustc/987a165cfab916796a8315782b83ac460a651ce2/library/std/src/sync/poison/mutex.rs:350:5
[INFO] [stdout] help: there is a method `lock` with a similar name, but with different arguments
[INFO] [stdout]    --> /rustc/987a165cfab916796a8315782b83ac460a651ce2/library/std/src/sync/poison/mutex.rs:487:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `unlock` found for struct `std::sync::Mutex<T>` in the current scope
[INFO] [stdout]    --> src/buddy.rs:293:16
[INFO] [stdout]     |
[INFO] [stdout] 293 |         Mutex::unlock(alloc_mutex);
[INFO] [stdout]     |                ^^^^^^ function or associated item not found in `std::sync::Mutex<_>`
[INFO] [stdout]     |
[INFO] [stdout] note: if you're trying to build a new `std::sync::Mutex<_>`, consider using `std::sync::Mutex::<T>::new` which returns `std::sync::Mutex<_>`
[INFO] [stdout]    --> /rustc/987a165cfab916796a8315782b83ac460a651ce2/library/std/src/sync/poison/mutex.rs:350:5
[INFO] [stdout] help: there is a method `lock` with a similar name, but with different arguments
[INFO] [stdout]    --> /rustc/987a165cfab916796a8315782b83ac460a651ce2/library/std/src/sync/poison/mutex.rs:487:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `unlock` found for struct `std::sync::Mutex<T>` in the current scope
[INFO] [stdout]    --> src/buddy.rs:308:16
[INFO] [stdout]     |
[INFO] [stdout] 308 |         Mutex::unlock(alloc_mutex);
[INFO] [stdout]     |                ^^^^^^ function or associated item not found in `std::sync::Mutex<_>`
[INFO] [stdout]     |
[INFO] [stdout] note: if you're trying to build a new `std::sync::Mutex<_>`, consider using `std::sync::Mutex::<T>::new` which returns `std::sync::Mutex<_>`
[INFO] [stdout]    --> /rustc/987a165cfab916796a8315782b83ac460a651ce2/library/std/src/sync/poison/mutex.rs:350:5
[INFO] [stdout] help: there is a method `lock` with a similar name, but with different arguments
[INFO] [stdout]    --> /rustc/987a165cfab916796a8315782b83ac460a651ce2/library/std/src/sync/poison/mutex.rs:487:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `unlock` found for struct `std::sync::Mutex<T>` in the current scope
[INFO] [stdout]    --> src/buddy.rs:325:16
[INFO] [stdout]     |
[INFO] [stdout] 325 |         Mutex::unlock(alloc_mutex);
[INFO] [stdout]     |                ^^^^^^ function or associated item not found in `std::sync::Mutex<_>`
[INFO] [stdout]     |
[INFO] [stdout] note: if you're trying to build a new `std::sync::Mutex<_>`, consider using `std::sync::Mutex::<T>::new` which returns `std::sync::Mutex<_>`
[INFO] [stdout]    --> /rustc/987a165cfab916796a8315782b83ac460a651ce2/library/std/src/sync/poison/mutex.rs:350:5
[INFO] [stdout] help: there is a method `lock` with a similar name, but with different arguments
[INFO] [stdout]    --> /rustc/987a165cfab916796a8315782b83ac460a651ce2/library/std/src/sync/poison/mutex.rs:487:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `unlock` found for struct `std::sync::Mutex<T>` in the current scope
[INFO] [stdout]    --> src/buddy.rs:343:16
[INFO] [stdout]     |
[INFO] [stdout] 343 |         Mutex::unlock(alloc_mutex);
[INFO] [stdout]     |                ^^^^^^ function or associated item not found in `std::sync::Mutex<_>`
[INFO] [stdout]     |
[INFO] [stdout] note: if you're trying to build a new `std::sync::Mutex<_>`, consider using `std::sync::Mutex::<T>::new` which returns `std::sync::Mutex<_>`
[INFO] [stdout]    --> /rustc/987a165cfab916796a8315782b83ac460a651ce2/library/std/src/sync/poison/mutex.rs:350:5
[INFO] [stdout] help: there is a method `lock` with a similar name, but with different arguments
[INFO] [stdout]    --> /rustc/987a165cfab916796a8315782b83ac460a651ce2/library/std/src/sync/poison/mutex.rs:487:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `unlock` found for struct `std::sync::Mutex<T>` in the current scope
[INFO] [stdout]    --> src/buddy.rs:361:16
[INFO] [stdout]     |
[INFO] [stdout] 361 |         Mutex::unlock(alloc_mutex);
[INFO] [stdout]     |                ^^^^^^ function or associated item not found in `std::sync::Mutex<_>`
[INFO] [stdout]     |
[INFO] [stdout] note: if you're trying to build a new `std::sync::Mutex<_>`, consider using `std::sync::Mutex::<T>::new` which returns `std::sync::Mutex<_>`
[INFO] [stdout]    --> /rustc/987a165cfab916796a8315782b83ac460a651ce2/library/std/src/sync/poison/mutex.rs:350:5
[INFO] [stdout] help: there is a method `lock` with a similar name, but with different arguments
[INFO] [stdout]    --> /rustc/987a165cfab916796a8315782b83ac460a651ce2/library/std/src/sync/poison/mutex.rs:487:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `allocators` (bin "allocators") due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0599]: no function or associated item named `unlock` found for struct `std::sync::Mutex<T>` in the current scope
[INFO] [stdout]    --> src/segregated_free_list.rs:267:16
[INFO] [stdout]     |
[INFO] [stdout] 267 |         Mutex::unlock(alloc);
[INFO] [stdout]     |                ^^^^^^ function or associated item not found in `std::sync::Mutex<_>`
[INFO] [stdout]     |
[INFO] [stdout] note: if you're trying to build a new `std::sync::Mutex<_>`, consider using `std::sync::Mutex::<T>::new` which returns `std::sync::Mutex<_>`
[INFO] [stdout]    --> /rustc/987a165cfab916796a8315782b83ac460a651ce2/library/std/src/sync/poison/mutex.rs:350:5
[INFO] [stdout] help: there is a method `lock` with a similar name, but with different arguments
[INFO] [stdout]    --> /rustc/987a165cfab916796a8315782b83ac460a651ce2/library/std/src/sync/poison/mutex.rs:487:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `unlock` found for struct `std::sync::Mutex<T>` in the current scope
[INFO] [stdout]    --> src/segregated_free_list.rs:281:16
[INFO] [stdout]     |
[INFO] [stdout] 281 |         Mutex::unlock(alloc);
[INFO] [stdout]     |                ^^^^^^ function or associated item not found in `std::sync::Mutex<_>`
[INFO] [stdout]     |
[INFO] [stdout] note: if you're trying to build a new `std::sync::Mutex<_>`, consider using `std::sync::Mutex::<T>::new` which returns `std::sync::Mutex<_>`
[INFO] [stdout]    --> /rustc/987a165cfab916796a8315782b83ac460a651ce2/library/std/src/sync/poison/mutex.rs:350:5
[INFO] [stdout] help: there is a method `lock` with a similar name, but with different arguments
[INFO] [stdout]    --> /rustc/987a165cfab916796a8315782b83ac460a651ce2/library/std/src/sync/poison/mutex.rs:487:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `unlock` found for struct `std::sync::Mutex<T>` in the current scope
[INFO] [stdout]    --> src/segregated_free_list.rs:312:16
[INFO] [stdout]     |
[INFO] [stdout] 312 |         Mutex::unlock(alloc);
[INFO] [stdout]     |                ^^^^^^ function or associated item not found in `std::sync::Mutex<_>`
[INFO] [stdout]     |
[INFO] [stdout] note: if you're trying to build a new `std::sync::Mutex<_>`, consider using `std::sync::Mutex::<T>::new` which returns `std::sync::Mutex<_>`
[INFO] [stdout]    --> /rustc/987a165cfab916796a8315782b83ac460a651ce2/library/std/src/sync/poison/mutex.rs:350:5
[INFO] [stdout] help: there is a method `lock` with a similar name, but with different arguments
[INFO] [stdout]    --> /rustc/987a165cfab916796a8315782b83ac460a651ce2/library/std/src/sync/poison/mutex.rs:487:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `unlock` found for struct `std::sync::Mutex<T>` in the current scope
[INFO] [stdout]    --> src/segregated_free_list.rs:324:20
[INFO] [stdout]     |
[INFO] [stdout] 324 |             Mutex::unlock(alloc);
[INFO] [stdout]     |                    ^^^^^^ function or associated item not found in `std::sync::Mutex<_>`
[INFO] [stdout]     |
[INFO] [stdout] note: if you're trying to build a new `std::sync::Mutex<_>`, consider using `std::sync::Mutex::<T>::new` which returns `std::sync::Mutex<_>`
[INFO] [stdout]    --> /rustc/987a165cfab916796a8315782b83ac460a651ce2/library/std/src/sync/poison/mutex.rs:350:5
[INFO] [stdout] help: there is a method `lock` with a similar name, but with different arguments
[INFO] [stdout]    --> /rustc/987a165cfab916796a8315782b83ac460a651ce2/library/std/src/sync/poison/mutex.rs:487:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `unlock` found for struct `std::sync::Mutex<T>` in the current scope
[INFO] [stdout]    --> src/simple_segregated_storage.rs:178:16
[INFO] [stdout]     |
[INFO] [stdout] 178 |         Mutex::unlock(alloc);
[INFO] [stdout]     |                ^^^^^^ function or associated item not found in `std::sync::Mutex<_>`
[INFO] [stdout]     |
[INFO] [stdout] note: if you're trying to build a new `std::sync::Mutex<_>`, consider using `std::sync::Mutex::<T>::new` which returns `std::sync::Mutex<_>`
[INFO] [stdout]    --> /rustc/987a165cfab916796a8315782b83ac460a651ce2/library/std/src/sync/poison/mutex.rs:350:5
[INFO] [stdout] help: there is a method `lock` with a similar name, but with different arguments
[INFO] [stdout]    --> /rustc/987a165cfab916796a8315782b83ac460a651ce2/library/std/src/sync/poison/mutex.rs:487:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `unlock` found for struct `std::sync::Mutex<T>` in the current scope
[INFO] [stdout]   --> src/main.rs:79:12
[INFO] [stdout]    |
[INFO] [stdout] 79 |     Mutex::unlock(alloc);
[INFO] [stdout]    |            ^^^^^^ function or associated item not found in `std::sync::Mutex<_>`
[INFO] [stdout]    |
[INFO] [stdout] note: if you're trying to build a new `std::sync::Mutex<_>`, consider using `std::sync::Mutex::<T>::new` which returns `std::sync::Mutex<_>`
[INFO] [stdout]   --> /rustc/987a165cfab916796a8315782b83ac460a651ce2/library/std/src/sync/poison/mutex.rs:350:5
[INFO] [stdout] help: there is a method `lock` with a similar name, but with different arguments
[INFO] [stdout]   --> /rustc/987a165cfab916796a8315782b83ac460a651ce2/library/std/src/sync/poison/mutex.rs:487:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `allocators` (bin "allocators" test) due to 14 previous errors; 1 warning emitted
[INFO] [stdout] Some errors have detailed explanations: E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4e288ff5ed93df249b963d6d9334b33fbf955088f840b721a3b6a920775f7c70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e288ff5ed93df249b963d6d9334b33fbf955088f840b721a3b6a920775f7c70", kill_on_drop: false }`
[INFO] [stdout] 4e288ff5ed93df249b963d6d9334b33fbf955088f840b721a3b6a920775f7c70