[INFO] fetching crate taikai 0.1.0...
[INFO] testing taikai-0.1.0 against try#33835004928d3bf65db4d4712e1330766263b0bd for pr-155739-1
[INFO] extracting crate taikai 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate taikai 0.1.0
[INFO] finished tweaking crates.io crate taikai 0.1.0
[INFO] tweaked toml for crates.io crate taikai 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate taikai 0.1.0 on toolchain 33835004928d3bf65db4d4712e1330766263b0bd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 44 packages to latest compatible versions
[INFO] [stderr]       Adding heck v0.3.3 (available: v0.5.0)
[INFO] [stderr]       Adding itertools v0.7.11 (available: v0.14.0)
[INFO] [stderr]       Adding nom v4.2.3 (available: v8.0.0)
[INFO] [stderr]       Adding proc-macro2 v0.4.30 (available: v1.0.106)
[INFO] [stderr]       Adding quote v0.6.13 (available: v1.0.45)
[INFO] [stderr]       Adding serde_yaml v0.8.26 (available: v0.9.34+deprecated)
[INFO] [stderr]       Adding syn v0.15.44 (available: v2.0.117)
[INFO] [stderr]       Adding tuple_utils v0.3.0 (available: v0.4.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0048a6a5dfafb2ca9b247b3639155ac2554900a00a45d4be6385155033332024
[INFO] running `Command { std: "docker" "start" "-a" "0048a6a5dfafb2ca9b247b3639155ac2554900a00a45d4be6385155033332024", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0048a6a5dfafb2ca9b247b3639155ac2554900a00a45d4be6385155033332024", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0048a6a5dfafb2ca9b247b3639155ac2554900a00a45d4be6385155033332024", kill_on_drop: false }`
[INFO] [stdout] 0048a6a5dfafb2ca9b247b3639155ac2554900a00a45d4be6385155033332024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 04e91331e53bd13d44ab016d83bf3e91f93869888632fae7332e25a8347cc3fc
[INFO] running `Command { std: "docker" "start" "-a" "04e91331e53bd13d44ab016d83bf3e91f93869888632fae7332e25a8347cc3fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling adler2 v2.0.1
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling gimli v0.32.3
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.27
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling linked-hash-map v0.5.6
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling unicode-segmentation v1.13.2
[INFO] [stderr]    Compiling ryu v1.0.23
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling encoding_rs v0.8.35
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling serde_yaml v0.8.26
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling addr2line v0.25.1
[INFO] [stderr]    Compiling backtrace v0.3.76
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling taikai v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(custom_attribute)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed in 1.0.0; see <https://github.com/rust-lang/rust/pull/66070> for more information
[INFO] [stdout]   = note: removed in favor of `#![register_tool]` and `#![register_attr]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `bind_by_move_pattern_guards` has been stable since 1.39.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(bind_by_move_pattern_guards)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lib.rs:63:24
[INFO] [stdout]    |
[INFO] [stdout] 63 |         let mut args = parser.parse(input).context("Error parsing macro arguments")?;
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `Result<TokenStream, Error>`, found `Result<_, Context<&str>>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected enum `Result<proc_macro::TokenStream, failure::Error>`
[INFO] [stdout]               found enum `Result<_, failure::Context<&str>>`
[INFO] [stdout] help: consider using `Result::expect` to unwrap the `Result<_, failure::Context<&str>>` value, panicking if the value is a `Result::Err`
[INFO] [stdout]    |
[INFO] [stdout] 63 |         let mut args = parser.parse(input).context("Error parsing macro arguments")?.expect("REASON");
[INFO] [stdout]    |                                                                                     +++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lib.rs:78:24
[INFO] [stdout]    |
[INFO] [stdout] 78 |         let mut args = parser.parse(input).context("Error parsing macro arguments")?;
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `Result<TokenStream, Error>`, found `Result<_, Context<&str>>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected enum `Result<proc_macro::TokenStream, failure::Error>`
[INFO] [stdout]               found enum `Result<_, failure::Context<&str>>`
[INFO] [stdout] help: consider using `Result::expect` to unwrap the `Result<_, failure::Context<&str>>` value, panicking if the value is a `Result::Err`
[INFO] [stdout]    |
[INFO] [stdout] 78 |         let mut args = parser.parse(input).context("Error parsing macro arguments")?.expect("REASON");
[INFO] [stdout]    |                                                                                     +++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `source_file` found for struct `proc_macro::Span` in the current scope
[INFO] [stdout]   --> src/lib.rs:87:51
[INFO] [stdout]    |
[INFO] [stdout] 87 |         let mut p = proc_macro::Span::call_site().source_file().path();
[INFO] [stdout]    |                                                   ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `source` with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 87 -         let mut p = proc_macro::Span::call_site().source_file().path();
[INFO] [stdout] 87 +         let mut p = proc_macro::Span::call_site().source().path();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/lib.rs:111:36
[INFO] [stdout]     |
[INFO] [stdout] 111 |         let runtime: TokenStream = syn::parse_str(include_str!("runtime.rs")).context("Error reading taikai runtime")?;
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `Result<TokenStream, Error>`, found `Result<_, Context<&str>>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected enum `Result<proc_macro::TokenStream, failure::Error>`
[INFO] [stdout]                found enum `Result<_, failure::Context<&str>>`
[INFO] [stdout] help: consider using `Result::expect` to unwrap the `Result<_, failure::Context<&str>>` value, panicking if the value is a `Result::Err`
[INFO] [stdout]     |
[INFO] [stdout] 111 |         let runtime: TokenStream = syn::parse_str(include_str!("runtime.rs")).context("Error reading taikai runtime")?.expect("REASON");
[INFO] [stdout]     |                                                                                                                       +++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/type_spec.rs:134:32
[INFO] [stdout]     |
[INFO] [stdout] 134 |     pub fn resolve_enum(&self, mut path: Vec<&str>) -> Enum {
[INFO] [stdout]     |                                ----^^^^
[INFO] [stdout]     |                                |
[INFO] [stdout]     |                                help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]    --> src/type_spec.rs:134:32
[INFO] [stdout]     |
[INFO] [stdout] 134 |     pub fn resolve_enum(&self, mut path: Vec<&str>) -> Enum {
[INFO] [stdout]     |                                ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/attribute.rs:212:39
[INFO] [stdout]     |
[INFO] [stdout] 212 |         let read_scalar = if let Some(ref e) = self.enum_ {
[INFO] [stdout]     |                                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0557, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `taikai` (lib) due to 5 previous errors; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "04e91331e53bd13d44ab016d83bf3e91f93869888632fae7332e25a8347cc3fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04e91331e53bd13d44ab016d83bf3e91f93869888632fae7332e25a8347cc3fc", kill_on_drop: false }`
[INFO] [stdout] 04e91331e53bd13d44ab016d83bf3e91f93869888632fae7332e25a8347cc3fc
