[INFO] fetching crate corepack 0.4.1...
[INFO] testing corepack-0.4.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate corepack 0.4.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate corepack 0.4.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate corepack 0.4.1
[INFO] finished tweaking crates.io crate corepack 0.4.1
[INFO] tweaked toml for crates.io crate corepack 0.4.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a704ea7c3e6ce5520c0e533f5cbc9001976056d8aad98e628164744014670736
[INFO] running `Command { std: "docker" "start" "-a" "a704ea7c3e6ce5520c0e533f5cbc9001976056d8aad98e628164744014670736", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a704ea7c3e6ce5520c0e533f5cbc9001976056d8aad98e628164744014670736", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a704ea7c3e6ce5520c0e533f5cbc9001976056d8aad98e628164744014670736", kill_on_drop: false }`
[INFO] [stdout] a704ea7c3e6ce5520c0e533f5cbc9001976056d8aad98e628164744014670736
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6005f6c7b5c26bc3964eaf41c814b4a553d3ee8469536be8556d8deb425aaab9
[INFO] running `Command { std: "docker" "start" "-a" "6005f6c7b5c26bc3964eaf41c814b4a553d3ee8469536be8556d8deb425aaab9", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling corepack v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:71:32
[INFO] [stdout]    |
[INFO] [stdout] 71 |     fn cause(&self) -> Option<&::std::error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ext_deserializer.rs:38:21
[INFO] [stdout]    |
[INFO] [stdout] 38 |             Ok(Some(try!(seed.deserialize(de))))
[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/ext_deserializer.rs:41:21
[INFO] [stdout]    |
[INFO] [stdout] 41 |             Ok(Some(try!(seed.deserialize(de))))
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ext_deserializer.rs:53:16
[INFO] [stdout]    |
[INFO] [stdout] 53 |             Ok(try!(seed.deserialize(de)))
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ext_deserializer.rs:57:16
[INFO] [stdout]    |
[INFO] [stdout] 57 |             Ok(try!(seed.deserialize(de)))
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/seq_deserializer.rs:35:17
[INFO] [stdout]    |
[INFO] [stdout] 35 |         Ok(Some(try!(seed.deserialize(&mut *self.de))))
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:109:13
[INFO] [stdout]     |
[INFO] [stdout] 109 |             try!((self.output)(&[BIN8, value.len() as u8]));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:113:13
[INFO] [stdout]     |
[INFO] [stdout] 113 |             try!((self.output)(&buf));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:117:13
[INFO] [stdout]     |
[INFO] [stdout] 117 |             try!((self.output)(&buf));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:127:13
[INFO] [stdout]     |
[INFO] [stdout] 127 |             try!((self.output)(&[value.len() as u8 | FIXSTR_MASK]));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:129:13
[INFO] [stdout]     |
[INFO] [stdout] 129 |             try!((self.output)(&[STR8, value.len() as u8]));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:133:13
[INFO] [stdout]     |
[INFO] [stdout] 133 |             try!((self.output)(&buf));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:137:13
[INFO] [stdout]     |
[INFO] [stdout] 137 |             try!((self.output)(&buf));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:95:9
[INFO] [stdout]    |
[INFO] [stdout] 95 |         try!(value.serialize(&mut ser));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.71s
[INFO] running `Command { std: "docker" "inspect" "6005f6c7b5c26bc3964eaf41c814b4a553d3ee8469536be8556d8deb425aaab9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6005f6c7b5c26bc3964eaf41c814b4a553d3ee8469536be8556d8deb425aaab9", kill_on_drop: false }`
[INFO] [stdout] 6005f6c7b5c26bc3964eaf41c814b4a553d3ee8469536be8556d8deb425aaab9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c5589e98b3d23113c3dbd01816f12846d7983a75cbd5fd80ba824efb48a362ed
[INFO] running `Command { std: "docker" "start" "-a" "c5589e98b3d23113c3dbd01816f12846d7983a75cbd5fd80ba824efb48a362ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling corepack v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:71:32
[INFO] [stdout]    |
[INFO] [stdout] 71 |     fn cause(&self) -> Option<&::std::error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ext_deserializer.rs:38:21
[INFO] [stdout]    |
[INFO] [stdout] 38 |             Ok(Some(try!(seed.deserialize(de))))
[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/ext_deserializer.rs:41:21
[INFO] [stdout]    |
[INFO] [stdout] 41 |             Ok(Some(try!(seed.deserialize(de))))
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ext_deserializer.rs:53:16
[INFO] [stdout]    |
[INFO] [stdout] 53 |             Ok(try!(seed.deserialize(de)))
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ext_deserializer.rs:57:16
[INFO] [stdout]    |
[INFO] [stdout] 57 |             Ok(try!(seed.deserialize(de)))
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/seq_deserializer.rs:35:17
[INFO] [stdout]    |
[INFO] [stdout] 35 |         Ok(Some(try!(seed.deserialize(&mut *self.de))))
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:109:13
[INFO] [stdout]     |
[INFO] [stdout] 109 |             try!((self.output)(&[BIN8, value.len() as u8]));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:113:13
[INFO] [stdout]     |
[INFO] [stdout] 113 |             try!((self.output)(&buf));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:117:13
[INFO] [stdout]     |
[INFO] [stdout] 117 |             try!((self.output)(&buf));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:127:13
[INFO] [stdout]     |
[INFO] [stdout] 127 |             try!((self.output)(&[value.len() as u8 | FIXSTR_MASK]));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:129:13
[INFO] [stdout]     |
[INFO] [stdout] 129 |             try!((self.output)(&[STR8, value.len() as u8]));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:133:13
[INFO] [stdout]     |
[INFO] [stdout] 133 |             try!((self.output)(&buf));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:137:13
[INFO] [stdout]     |
[INFO] [stdout] 137 |             try!((self.output)(&buf));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:95:9
[INFO] [stdout]    |
[INFO] [stdout] 95 |         try!(value.serialize(&mut ser));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:71:32
[INFO] [stdout]    |
[INFO] [stdout] 71 |     fn cause(&self) -> Option<&::std::error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ext_deserializer.rs:38:21
[INFO] [stdout]    |
[INFO] [stdout] 38 |             Ok(Some(try!(seed.deserialize(de))))
[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/ext_deserializer.rs:41:21
[INFO] [stdout]    |
[INFO] [stdout] 41 |             Ok(Some(try!(seed.deserialize(de))))
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ext_deserializer.rs:53:16
[INFO] [stdout]    |
[INFO] [stdout] 53 |             Ok(try!(seed.deserialize(de)))
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ext_deserializer.rs:57:16
[INFO] [stdout]    |
[INFO] [stdout] 57 |             Ok(try!(seed.deserialize(de)))
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/seq_deserializer.rs:35:17
[INFO] [stdout]    |
[INFO] [stdout] 35 |         Ok(Some(try!(seed.deserialize(&mut *self.de))))
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:109:13
[INFO] [stdout]     |
[INFO] [stdout] 109 |             try!((self.output)(&[BIN8, value.len() as u8]));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:113:13
[INFO] [stdout]     |
[INFO] [stdout] 113 |             try!((self.output)(&buf));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:117:13
[INFO] [stdout]     |
[INFO] [stdout] 117 |             try!((self.output)(&buf));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:127:13
[INFO] [stdout]     |
[INFO] [stdout] 127 |             try!((self.output)(&[value.len() as u8 | FIXSTR_MASK]));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:129:13
[INFO] [stdout]     |
[INFO] [stdout] 129 |             try!((self.output)(&[STR8, value.len() as u8]));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:133:13
[INFO] [stdout]     |
[INFO] [stdout] 133 |             try!((self.output)(&buf));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:137:13
[INFO] [stdout]     |
[INFO] [stdout] 137 |             try!((self.output)(&buf));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:95:9
[INFO] [stdout]    |
[INFO] [stdout] 95 |         try!(value.serialize(&mut ser));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.69s
[INFO] running `Command { std: "docker" "inspect" "c5589e98b3d23113c3dbd01816f12846d7983a75cbd5fd80ba824efb48a362ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5589e98b3d23113c3dbd01816f12846d7983a75cbd5fd80ba824efb48a362ed", kill_on_drop: false }`
[INFO] [stdout] c5589e98b3d23113c3dbd01816f12846d7983a75cbd5fd80ba824efb48a362ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 700e3aac6ff76ca15eaa1d036799fab715d666e5ca6dd52928f4a9824d428071
[INFO] running `Command { std: "docker" "start" "-a" "700e3aac6ff76ca15eaa1d036799fab715d666e5ca6dd52928f4a9824d428071", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:71:32
[INFO] [stderr]    |
[INFO] [stderr] 71 |     fn cause(&self) -> Option<&::std::error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/ext_deserializer.rs:38:21
[INFO] [stderr]    |
[INFO] [stderr] 38 |             Ok(Some(try!(seed.deserialize(de))))
[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/ext_deserializer.rs:41:21
[INFO] [stderr]    |
[INFO] [stderr] 41 |             Ok(Some(try!(seed.deserialize(de))))
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/ext_deserializer.rs:53:16
[INFO] [stderr]    |
[INFO] [stderr] 53 |             Ok(try!(seed.deserialize(de)))
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/ext_deserializer.rs:57:16
[INFO] [stderr]    |
[INFO] [stderr] 57 |             Ok(try!(seed.deserialize(de)))
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/seq_deserializer.rs:35:17
[INFO] [stderr]    |
[INFO] [stderr] 35 |         Ok(Some(try!(seed.deserialize(&mut *self.de))))
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:109:13
[INFO] [stderr]     |
[INFO] [stderr] 109 |             try!((self.output)(&[BIN8, value.len() as u8]));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:113:13
[INFO] [stderr]     |
[INFO] [stderr] 113 |             try!((self.output)(&buf));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:117:13
[INFO] [stderr]     |
[INFO] [stderr] 117 |             try!((self.output)(&buf));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:127:13
[INFO] [stderr]     |
[INFO] [stderr] 127 |             try!((self.output)(&[value.len() as u8 | FIXSTR_MASK]));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:129:13
[INFO] [stderr]     |
[INFO] [stderr] 129 |             try!((self.output)(&[STR8, value.len() as u8]));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:133:13
[INFO] [stderr]     |
[INFO] [stderr] 133 |             try!((self.output)(&buf));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:137:13
[INFO] [stderr]     |
[INFO] [stderr] 137 |             try!((self.output)(&buf));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:95:9
[INFO] [stderr]    |
[INFO] [stderr] 95 |         try!(value.serialize(&mut ser));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `corepack` (lib) generated 14 warnings
[INFO] [stderr] warning: `corepack` (lib test) generated 14 warnings (14 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.28s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/corepack-5b33b0d1ea0d984b)
[INFO] [stdout] running 30 tests
[INFO] [stdout] test ser::test::str8_test ... ok
[INFO] [stdout] test ser::test::uint8_test ... ok
[INFO] [stdout] test test::test_byte_array ... ok
[INFO] [stdout] test test::test_false ... ok
[INFO] [stdout] test de::test::fixarr_test ... ok
[INFO] [stdout] test de::test::uint8_test ... ok
[INFO] [stdout] test ser::test::array16_test ... ok
[INFO] [stdout] test ser::test::fixmap_test ... ok
[INFO] [stdout] test de::test::str8_test ... ok
[INFO] [stdout] test de::test::fixstr_test ... ok
[INFO] [stdout] test de::test::array16_test ... ok
[INFO] [stdout] test de::test::f64_test ... ok
[INFO] [stdout] test test::test_char ... ok
[INFO] [stdout] test ser::test::negative_fixint_test ... ok
[INFO] [stdout] test ser::test::fixstr_test ... ok
[INFO] [stdout] test de::test::positive_fixint_test ... ok
[INFO] [stdout] test de::test::negative_fixint_test ... ok
[INFO] [stdout] test de::test::fixmap_test ... ok
[INFO] [stdout] test test::test_float ... ok
[INFO] [stdout] test test::test_enum_newtype ... ok
[INFO] [stdout] test test::test_enum_struct ... ok
[INFO] [stdout] test ser::test::fixarr_test ... ok
[INFO] [stdout] test ser::test::positive_fixint_test ... ok
[INFO] [stdout] test test::test_enum ... ok
[INFO] [stdout] test test::test_float32 ... ok
[INFO] [stdout] test test::test_enum_tuple ... ok
[INFO] [stdout] test test::test_option ... ok
[INFO] [stdout] test test::test_option_none ... ok
[INFO] [stderr]    Doc-tests corepack
[INFO] [stdout] test test::test_str ... ok
[INFO] [stdout] test test::test_unit_option ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 30 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[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" "700e3aac6ff76ca15eaa1d036799fab715d666e5ca6dd52928f4a9824d428071", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "700e3aac6ff76ca15eaa1d036799fab715d666e5ca6dd52928f4a9824d428071", kill_on_drop: false }`
[INFO] [stdout] 700e3aac6ff76ca15eaa1d036799fab715d666e5ca6dd52928f4a9824d428071