[INFO] fetching crate rs_transducers 0.0.3...
[INFO] checking rs_transducers-0.0.3 against master#836c31742687ba4e2f857b5b698e1e9e6b67619c for pr-81789
[INFO] extracting crate rs_transducers 0.0.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate rs_transducers 0.0.3 on toolchain 836c31742687ba4e2f857b5b698e1e9e6b67619c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rs_transducers 0.0.3
[INFO] finished tweaking crates.io crate rs_transducers 0.0.3
[INFO] tweaked toml for crates.io crate rs_transducers 0.0.3 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 552525143e6ba29e726e01705d77004b99d6d9dd56d32aeecc9e38d50cc29d87
[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" "552525143e6ba29e726e01705d77004b99d6d9dd56d32aeecc9e38d50cc29d87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "552525143e6ba29e726e01705d77004b99d6d9dd56d32aeecc9e38d50cc29d87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "552525143e6ba29e726e01705d77004b99d6d9dd56d32aeecc9e38d50cc29d87", kill_on_drop: false }`
[INFO] [stdout] 552525143e6ba29e726e01705d77004b99d6d9dd56d32aeecc9e38d50cc29d87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] ff7a4a9bc129ec1bc37c6d03a4e05eec447ca4e7138c344a9a66a9f2add19059
[INFO] running `Command { std: "docker" "start" "-a" "ff7a4a9bc129ec1bc37c6d03a4e05eec447ca4e7138c344a9a66a9f2add19059", kill_on_drop: false }`
[INFO] [stderr]     Checking rs_transducers v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/transducers.rs:389:13
[INFO] [stdout]     |
[INFO] [stdout] 389 |             try!(self.rf.step(other_holder));
[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/transducers.rs:735:13
[INFO] [stdout]     |
[INFO] [stdout] 735 |             try!(self.rf.step(other_holder));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/transducers.rs:785:19
[INFO] [stdout]     |
[INFO] [stdout] 785 |             match try!(self.rf.step(self.t.0.clone())) {
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/applications.rs:67:17
[INFO] [stdout]    |
[INFO] [stdout] 67 |                 try!(reducing.complete())
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/applications.rs:94:17
[INFO] [stdout]    |
[INFO] [stdout] 94 |                 try!(reducing.complete())
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/transducers.rs:389:13
[INFO] [stdout]     |
[INFO] [stdout] 389 |             try!(self.rf.step(other_holder));
[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/transducers.rs:735:13
[INFO] [stdout]     |
[INFO] [stdout] 735 |             try!(self.rf.step(other_holder));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/transducers.rs:785:19
[INFO] [stdout]     |
[INFO] [stdout] 785 |             match try!(self.rf.step(self.t.0.clone())) {
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/applications.rs:67:17
[INFO] [stdout]    |
[INFO] [stdout] 67 |                 try!(reducing.complete())
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/applications.rs:94:17
[INFO] [stdout]    |
[INFO] [stdout] 94 |                 try!(reducing.complete())
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.46s
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ff7a4a9bc129ec1bc37c6d03a4e05eec447ca4e7138c344a9a66a9f2add19059", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff7a4a9bc129ec1bc37c6d03a4e05eec447ca4e7138c344a9a66a9f2add19059", kill_on_drop: false }`
[INFO] [stdout] ff7a4a9bc129ec1bc37c6d03a4e05eec447ca4e7138c344a9a66a9f2add19059