[INFO] fetching crate corepack 0.4.1...
[INFO] checking corepack-0.4.1 against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] extracting crate corepack 0.4.1 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate corepack 0.4.1 on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "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-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 157183e838df1da3fe624192dc7283fe5b5363fd18d71e5eb3fc36624b6b5476
[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" "157183e838df1da3fe624192dc7283fe5b5363fd18d71e5eb3fc36624b6b5476", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "157183e838df1da3fe624192dc7283fe5b5363fd18d71e5eb3fc36624b6b5476", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "157183e838df1da3fe624192dc7283fe5b5363fd18d71e5eb3fc36624b6b5476", kill_on_drop: false }`
[INFO] [stdout] 157183e838df1da3fe624192dc7283fe5b5363fd18d71e5eb3fc36624b6b5476
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c3b9070b96bd430fe862d1be22d2049c0f1feb1a8bd78f8f24953c59d02e4aa4
[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" "c3b9070b96bd430fe862d1be22d2049c0f1feb1a8bd78f8f24953c59d02e4aa4", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]     Checking 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] 
[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] 
[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 23.51s
[INFO] running `Command { std: "docker" "inspect" "c3b9070b96bd430fe862d1be22d2049c0f1feb1a8bd78f8f24953c59d02e4aa4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3b9070b96bd430fe862d1be22d2049c0f1feb1a8bd78f8f24953c59d02e4aa4", kill_on_drop: false }`
[INFO] [stdout] c3b9070b96bd430fe862d1be22d2049c0f1feb1a8bd78f8f24953c59d02e4aa4