[INFO] fetching crate visitor 0.2.1...
[INFO] testing visitor-0.2.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate visitor 0.2.1 into /workspace/builds/worker-24/source
[INFO] validating manifest of crates.io crate visitor 0.2.1 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate visitor 0.2.1
[INFO] finished tweaking crates.io crate visitor 0.2.1
[INFO] tweaked toml for crates.io crate visitor 0.2.1 written to /workspace/builds/worker-24/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4f2e52e941d0882f7a451a43096a0c7af6e97515262950111c5051a5c99a4727
[INFO] running `Command { std: "docker" "start" "-a" "4f2e52e941d0882f7a451a43096a0c7af6e97515262950111c5051a5c99a4727", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f2e52e941d0882f7a451a43096a0c7af6e97515262950111c5051a5c99a4727", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f2e52e941d0882f7a451a43096a0c7af6e97515262950111c5051a5c99a4727", kill_on_drop: false }`
[INFO] [stdout] 4f2e52e941d0882f7a451a43096a0c7af6e97515262950111c5051a5c99a4727
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3648f9710a385e41d0f1b7ea5f1b85f1209751119c5a39dc7f90efdf5f830bd8
[INFO] running `Command { std: "docker" "start" "-a" "3648f9710a385e41d0f1b7ea5f1b85f1209751119c5a39dc7f90efdf5f830bd8", kill_on_drop: false }`
[INFO] [stderr]    Compiling visitor v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "3648f9710a385e41d0f1b7ea5f1b85f1209751119c5a39dc7f90efdf5f830bd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3648f9710a385e41d0f1b7ea5f1b85f1209751119c5a39dc7f90efdf5f830bd8", kill_on_drop: false }`
[INFO] [stdout] 3648f9710a385e41d0f1b7ea5f1b85f1209751119c5a39dc7f90efdf5f830bd8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e740893bad401afc54edd3a46e174ec77d0342f6529967742a1711dd6fa3693
[INFO] running `Command { std: "docker" "start" "-a" "5e740893bad401afc54edd3a46e174ec77d0342f6529967742a1711dd6fa3693", 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling visitor v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]  --> src/test.rs:9:3
[INFO] [stdout]   |
[INFO] [stdout] 9 |         try!(v.visit(self.a));
[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/test.rs:10:3
[INFO] [stdout]    |
[INFO] [stdout] 10 |         try!(v.visit(self.b));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.81s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/visitor-e5a5aee03bf8f63b)
[INFO] running `Command { std: "docker" "inspect" "5e740893bad401afc54edd3a46e174ec77d0342f6529967742a1711dd6fa3693", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e740893bad401afc54edd3a46e174ec77d0342f6529967742a1711dd6fa3693", kill_on_drop: false }`
[INFO] [stdout] 5e740893bad401afc54edd3a46e174ec77d0342f6529967742a1711dd6fa3693
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 27f5898c29ccdf37192ac9dcf0e2455a190eabcd858eafa33bb2b807e4420656
[INFO] running `Command { std: "docker" "start" "-a" "27f5898c29ccdf37192ac9dcf0e2455a190eabcd858eafa33bb2b807e4420656", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]  --> src/test.rs:9:3
[INFO] [stderr]   |
[INFO] [stderr] 9 |         try!(v.visit(self.a));
[INFO] [stderr]   |         ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/test.rs:10:3
[INFO] [stderr]    |
[INFO] [stderr] 10 |         try!(v.visit(self.b));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `visitor` (lib test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.87s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/visitor-e5a5aee03bf8f63b)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test::it_works ... ok
[INFO] [stderr]    Doc-tests visitor
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "27f5898c29ccdf37192ac9dcf0e2455a190eabcd858eafa33bb2b807e4420656", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27f5898c29ccdf37192ac9dcf0e2455a190eabcd858eafa33bb2b807e4420656", kill_on_drop: false }`
[INFO] [stdout] 27f5898c29ccdf37192ac9dcf0e2455a190eabcd858eafa33bb2b807e4420656