[INFO] cloning repository https://github.com/vporton/mutexes-hashmap-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vporton/mutexes-hashmap-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvporton%2Fmutexes-hashmap-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvporton%2Fmutexes-hashmap-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bc45e65f03d906da3e8245981552251251d1e5f4
[INFO] testing vporton/mutexes-hashmap-rs against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvporton%2Fmutexes-hashmap-rs" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vporton/mutexes-hashmap-rs on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/vporton/mutexes-hashmap-rs
[INFO] finished tweaking git repo https://github.com/vporton/mutexes-hashmap-rs
[INFO] tweaked toml for git repo https://github.com/vporton/mutexes-hashmap-rs written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/vporton/mutexes-hashmap-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded chashmap v2.2.2
[INFO] [stderr]   Downloaded libc v0.2.113
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 08763d589a87394398041ac0e61c1a3e8ab28a42385e90c0bf40f7c5362904b5
[INFO] running `Command { std: "docker" "start" "-a" "08763d589a87394398041ac0e61c1a3e8ab28a42385e90c0bf40f7c5362904b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08763d589a87394398041ac0e61c1a3e8ab28a42385e90c0bf40f7c5362904b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08763d589a87394398041ac0e61c1a3e8ab28a42385e90c0bf40f7c5362904b5", kill_on_drop: false }`
[INFO] [stdout] 08763d589a87394398041ac0e61c1a3e8ab28a42385e90c0bf40f7c5362904b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c552d081051fc5b299c31afebd89c90ef0592a26b3680537630a4d840ab41fd
[INFO] running `Command { std: "docker" "start" "-a" "7c552d081051fc5b299c31afebd89c90ef0592a26b3680537630a4d840ab41fd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.113
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling parking_lot_core v0.2.14
[INFO] [stderr]    Compiling parking_lot v0.4.8
[INFO] [stderr]    Compiling chashmap v2.2.2
[INFO] [stderr]    Compiling mutexes_hashmap v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `mutexes_hashmap` due to 4 previous errors; 3 warnings emitted
[INFO] [stdout] error: expected type, found `=`
[INFO] [stdout]   --> src/lib.rs:38:23
[INFO] [stdout]    |
[INFO] [stdout] 38 |         let this: &'a = &self.base;//.clone().lock().unwrap();
[INFO] [stdout]    |             ----      ^ expected type
[INFO] [stdout]    |             |
[INFO] [stdout]    |             while parsing the type for `this`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::btree_map::OccupiedEntry`
[INFO] [stdout]  --> src/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::btree_map::OccupiedEntry;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::hash_map::Entry`
[INFO] [stdout]  --> src/lib.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::collections::hash_map::Entry;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0261]: use of undeclared lifetime name `'a`
[INFO] [stdout]   --> src/lib.rs:37:47
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn lock(&self, key: K) -> LockResult<&'a MutexesMapGuard<'a, K>> {
[INFO] [stdout]    |                                               ^^ undeclared lifetime
[INFO] [stdout]    |
[INFO] [stdout] help: consider introducing lifetime `'a` here
[INFO] [stdout]    |
[INFO] [stdout] 28 | impl<'a, K> MutexesMap<K>
[INFO] [stdout]    |      +++
[INFO] [stdout] help: consider introducing lifetime `'a` here
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn lock<'a>(&self, key: K) -> LockResult<&'a MutexesMapGuard<'a, K>> {
[INFO] [stdout]    |                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0261]: use of undeclared lifetime name `'a`
[INFO] [stdout]   --> src/lib.rs:37:66
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn lock(&self, key: K) -> LockResult<&'a MutexesMapGuard<'a, K>> {
[INFO] [stdout]    |                                                                  ^^ undeclared lifetime
[INFO] [stdout]    |
[INFO] [stdout] help: consider introducing lifetime `'a` here
[INFO] [stdout]    |
[INFO] [stdout] 28 | impl<'a, K> MutexesMap<K>
[INFO] [stdout]    |      +++
[INFO] [stdout] help: consider introducing lifetime `'a` here
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn lock<'a>(&self, key: K) -> LockResult<&'a MutexesMapGuard<'a, K>> {
[INFO] [stdout]    |                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0261`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7c552d081051fc5b299c31afebd89c90ef0592a26b3680537630a4d840ab41fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c552d081051fc5b299c31afebd89c90ef0592a26b3680537630a4d840ab41fd", kill_on_drop: false }`
[INFO] [stdout] 7c552d081051fc5b299c31afebd89c90ef0592a26b3680537630a4d840ab41fd