[INFO] fetching crate namedlock 0.7.0...
[INFO] checking namedlock-0.7.0 against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073
[INFO] extracting crate namedlock 0.7.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate namedlock 0.7.0 on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate namedlock 0.7.0
[INFO] finished tweaking crates.io crate namedlock 0.7.0
[INFO] tweaked toml for crates.io crate namedlock 0.7.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded core_collections v0.3.20170409
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 51bff0d665a7f848ec332e34444b6b1f99b1e85c9cc1a537b11f5282dc55ee6c
[INFO] running `Command { std: "docker" "start" "-a" "51bff0d665a7f848ec332e34444b6b1f99b1e85c9cc1a537b11f5282dc55ee6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51bff0d665a7f848ec332e34444b6b1f99b1e85c9cc1a537b11f5282dc55ee6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51bff0d665a7f848ec332e34444b6b1f99b1e85c9cc1a537b11f5282dc55ee6c", kill_on_drop: false }`
[INFO] [stdout] 51bff0d665a7f848ec332e34444b6b1f99b1e85c9cc1a537b11f5282dc55ee6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 539d46f1afe1075c799f45a61c4798f7273ad56f1e08a33e2d1eb4c9e5c0b5ff
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "539d46f1afe1075c799f45a61c4798f7273ad56f1e08a33e2d1eb4c9e5c0b5ff", kill_on_drop: false }`
[INFO] [stderr]     Checking namedlock v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ownedmutexguard.rs:142:13
[INFO] [stdout]     |
[INFO] [stdout] 142 |         let guard=try!(unsafe{&*(&self as *const _) as &'a Mutex<T>}.lock().into_result());
[INFO] [stdout]     |                   ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:301:15
[INFO] [stdout]     |
[INFO] [stdout] 301 |         let mut map=try!(self.names.lock().into_result()); // Acquire outer lock
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:308:13
[INFO] [stdout]     |
[INFO] [stdout] 308 |         let guard=try!(target.owned_lock()); // Acquire inner lock, moving our reference
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ownedmutexguard.rs:142:13
[INFO] [stdout]     |
[INFO] [stdout] 142 |         let guard=try!(unsafe{&*(&self as *const _) as &'a Mutex<T>}.lock().into_result());
[INFO] [stdout]     |                   ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:301:15
[INFO] [stdout]     |
[INFO] [stdout] 301 |         let mut map=try!(self.names.lock().into_result()); // Acquire outer lock
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:308:13
[INFO] [stdout]     |
[INFO] [stdout] 308 |         let guard=try!(target.owned_lock()); // Acquire inner lock, moving our reference
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "539d46f1afe1075c799f45a61c4798f7273ad56f1e08a33e2d1eb4c9e5c0b5ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "539d46f1afe1075c799f45a61c4798f7273ad56f1e08a33e2d1eb4c9e5c0b5ff", kill_on_drop: false }`
[INFO] [stdout] 539d46f1afe1075c799f45a61c4798f7273ad56f1e08a33e2d1eb4c9e5c0b5ff