[INFO] fetching crate ptah 0.1.0...
[INFO] checking ptah-0.1.0 against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] extracting crate ptah 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate ptah 0.1.0 on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ptah 0.1.0
[INFO] finished tweaking crates.io crate ptah 0.1.0
[INFO] tweaked toml for crates.io crate ptah 0.1.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "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" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ptah_derive v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6866038faac8a5451bfdb0aa66d77b43654ab2220fae8c3e0ff62ed1512a9f3a
[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" "6866038faac8a5451bfdb0aa66d77b43654ab2220fae8c3e0ff62ed1512a9f3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6866038faac8a5451bfdb0aa66d77b43654ab2220fae8c3e0ff62ed1512a9f3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6866038faac8a5451bfdb0aa66d77b43654ab2220fae8c3e0ff62ed1512a9f3a", kill_on_drop: false }`
[INFO] [stdout] 6866038faac8a5451bfdb0aa66d77b43654ab2220fae8c3e0ff62ed1512a9f3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7836175f31bcc7a5f868727309b01c198b8176343671d5b41466fc26567ec6c5
[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" "7836175f31bcc7a5f868727309b01c198b8176343671d5b41466fc26567ec6c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling ptah_derive v0.1.0
[INFO] [stderr]     Checking ptah v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `const_generics` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]  --> src/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     const_generics,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout]   = note: see issue #44580 <https://github.com/rust-lang/rust/issues/44580> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `const_generics` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]  --> src/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     const_generics,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout]   = note: see issue #44580 <https://github.com/rust-lang/rust/issues/44580> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `handle`
[INFO] [stdout]    --> src/lib.rs:130:31
[INFO] [stdout]     |
[INFO] [stdout] 130 |     fn push_handle(&mut self, handle: Handle) -> ser::Result<HandleSlot> {
[INFO] [stdout]     |                               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_handle`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `handle`
[INFO] [stdout]    --> src/lib.rs:141:31
[INFO] [stdout]     |
[INFO] [stdout] 141 |     fn push_handle(&mut self, handle: Handle) -> ser::Result<HandleSlot> {
[INFO] [stdout]     |                               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_handle`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `handle`
[INFO] [stdout]    --> src/lib.rs:159:31
[INFO] [stdout]     |
[INFO] [stdout] 159 |     fn push_handle(&mut self, handle: Handle) -> ser::Result<HandleSlot> {
[INFO] [stdout]     |                               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_handle`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `HANDLE_SLOT_1`
[INFO] [stdout]   --> src/lib.rs:81:1
[INFO] [stdout]    |
[INFO] [stdout] 81 | pub(crate) const HANDLE_SLOT_1: u8 = 0xf1;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `HANDLE_SLOT_2`
[INFO] [stdout]   --> src/lib.rs:82:1
[INFO] [stdout]    |
[INFO] [stdout] 82 | pub(crate) const HANDLE_SLOT_2: u8 = 0xf2;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `HANDLE_SLOT_3`
[INFO] [stdout]   --> src/lib.rs:83:1
[INFO] [stdout]    |
[INFO] [stdout] 83 | pub(crate) const HANDLE_SLOT_3: u8 = 0xf3;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `handle`
[INFO] [stdout]    --> src/lib.rs:130:31
[INFO] [stdout]     |
[INFO] [stdout] 130 |     fn push_handle(&mut self, handle: Handle) -> ser::Result<HandleSlot> {
[INFO] [stdout]     |                               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_handle`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `handle`
[INFO] [stdout]    --> src/lib.rs:141:31
[INFO] [stdout]     |
[INFO] [stdout] 141 |     fn push_handle(&mut self, handle: Handle) -> ser::Result<HandleSlot> {
[INFO] [stdout]     |                               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_handle`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `handle`
[INFO] [stdout]    --> src/lib.rs:159:31
[INFO] [stdout]     |
[INFO] [stdout] 159 |     fn push_handle(&mut self, handle: Handle) -> ser::Result<HandleSlot> {
[INFO] [stdout]     |                               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_handle`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `HANDLE_SLOT_1`
[INFO] [stdout]   --> src/lib.rs:81:1
[INFO] [stdout]    |
[INFO] [stdout] 81 | pub(crate) const HANDLE_SLOT_1: u8 = 0xf1;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `HANDLE_SLOT_2`
[INFO] [stdout]   --> src/lib.rs:82:1
[INFO] [stdout]    |
[INFO] [stdout] 82 | pub(crate) const HANDLE_SLOT_2: u8 = 0xf2;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `HANDLE_SLOT_3`
[INFO] [stdout]   --> src/lib.rs:83:1
[INFO] [stdout]    |
[INFO] [stdout] 83 | pub(crate) const HANDLE_SLOT_3: u8 = 0xf3;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 2 arguments but 1 argument was supplied
[INFO] [stdout]   --> tests/wellformed.rs:27:25
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let decoded = match ptah::from_wire(&buffer[0..size]) {
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^ ---------------- supplied 1 argument
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         expected 2 arguments
[INFO] [stdout]    |
[INFO] [stdout] note: function defined here
[INFO] [stdout]   --> /opt/rustwide/workdir/src/lib.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub fn from_wire<'a, 'de, T>(bytes: &'a [u8], handles: &'a [Handle]) -> de::Result<T>
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ptah`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "7836175f31bcc7a5f868727309b01c198b8176343671d5b41466fc26567ec6c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7836175f31bcc7a5f868727309b01c198b8176343671d5b41466fc26567ec6c5", kill_on_drop: false }`
[INFO] [stdout] 7836175f31bcc7a5f868727309b01c198b8176343671d5b41466fc26567ec6c5