[INFO] updating cached repository https://github.com/angelrain1/study
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ce08632435b1499ef4d2bd4c774d5d3c955ee603
[INFO] checking angelrain1/study against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fangelrain1%2Fstudy" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/angelrain1/study on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/angelrain1/study
[INFO] finished tweaking git repo https://github.com/angelrain1/study
[INFO] tweaked toml for git repo https://github.com/angelrain1/study written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/angelrain1/study already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 02efc3e594f5cf1b4d31dcba9d8156bb4c327e01577f533fb4567569d42076a7
[INFO] running `"docker" "start" "-a" "02efc3e594f5cf1b4d31dcba9d8156bb4c327e01577f533fb4567569d42076a7"`
[INFO] [stderr]     Checking futures-await-macro v0.1.0 (https://github.com/alexcrichton/futures-await#7f91713d)
[INFO] [stderr]     Checking string v0.1.0 (https://github.com/carllerche/string#376413b9)
[INFO] [stderr]     Checking data-encoding v2.0.0-rc.2
[INFO] [stderr]     Checking crossbeam v0.3.0
[INFO] [stderr]    Compiling cmake v0.1.26
[INFO] [stderr]     Checking memmap v0.5.2
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking num-complex v0.1.40
[INFO] [stderr]    Compiling proc-macro2 v0.1.3
[INFO] [stderr]     Checking tokio-timer v0.1.2
[INFO] [stderr]     Checking loggerv v0.3.0
[INFO] [stderr]    Compiling libsqlite3-sys v0.8.1
[INFO] [stderr]     Checking num-bigint v0.1.40
[INFO] [stderr] error[E0433]: failed to resolve: could not find `TokenNode` in `proc_macro`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.1.3/src/unstable.rs:64:33
[INFO] [stderr]    |
[INFO] [stderr] 64 |                     proc_macro::TokenNode::Group(delim, (s.0).0)
[INFO] [stderr]    |                                 ^^^^^^^^^ could not find `TokenNode` in `proc_macro`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `TokenNode` in `proc_macro`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.1.3/src/unstable.rs:71:33
[INFO] [stderr]    |
[INFO] [stderr] 71 |                     proc_macro::TokenNode::Op(ch, kind)
[INFO] [stderr]    |                                 ^^^^^^^^^ could not find `TokenNode` in `proc_macro`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `TokenNode` in `proc_macro`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.1.3/src/unstable.rs:74:33
[INFO] [stderr]    |
[INFO] [stderr] 74 |                     proc_macro::TokenNode::Term((s.0).0)
[INFO] [stderr]    |                                 ^^^^^^^^^ could not find `TokenNode` in `proc_macro`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `TokenNode` in `proc_macro`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.1.3/src/unstable.rs:77:33
[INFO] [stderr]    |
[INFO] [stderr] 77 |                     proc_macro::TokenNode::Literal((l.0).0)
[INFO] [stderr]    |                                 ^^^^^^^^^ could not find `TokenNode` in `proc_macro`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `TokenNode` in `proc_macro`
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.1.3/src/unstable.rs:125:29
[INFO] [stderr]     |
[INFO] [stderr] 125 |                 proc_macro::TokenNode::Group(delim, s) => {
[INFO] [stderr]     |                             ^^^^^^^^^ could not find `TokenNode` in `proc_macro`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `TokenNode` in `proc_macro`
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.1.3/src/unstable.rs:134:29
[INFO] [stderr]     |
[INFO] [stderr] 134 |                 proc_macro::TokenNode::Op(ch, kind) => {
[INFO] [stderr]     |                             ^^^^^^^^^ could not find `TokenNode` in `proc_macro`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `TokenNode` in `proc_macro`
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.1.3/src/unstable.rs:141:29
[INFO] [stderr]     |
[INFO] [stderr] 141 |                 proc_macro::TokenNode::Term(s) => {
[INFO] [stderr]     |                             ^^^^^^^^^ could not find `TokenNode` in `proc_macro`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `TokenNode` in `proc_macro`
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.1.3/src/unstable.rs:144:29
[INFO] [stderr]     |
[INFO] [stderr] 144 |                 proc_macro::TokenNode::Literal(l) => {
[INFO] [stderr]     |                             ^^^^^^^^^ could not find `TokenNode` in `proc_macro`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `Term` in `proc_macro`
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.1.3/src/unstable.rs:182:26
[INFO] [stderr]     |
[INFO] [stderr] 182 |         Term(proc_macro::Term::intern(string))
[INFO] [stderr]     |                          ^^^^ could not find `Term` in `proc_macro`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `TokenNode` in `proc_macro`
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.1.3/src/unstable.rs:269:21
[INFO] [stderr]     |
[INFO] [stderr] 269 |         proc_macro::TokenNode::Literal(l) => l,
[INFO] [stderr]     |                     ^^^^^^^^^ could not find `TokenNode` in `proc_macro`
[INFO] [stderr] 
[INFO] [stderr] error[E0574]: expected struct, variant or union type, found enum `proc_macro::TokenTree`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.1.3/src/unstable.rs:54:21
[INFO] [stderr]    |
[INFO] [stderr] 54 |         TokenStream(proc_macro::TokenTree {
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^ not a struct, variant or union type
[INFO] [stderr]    |
[INFO] [stderr] help: possible better candidate is found in another module, you can import it into scope
[INFO] [stderr]    |
[INFO] [stderr] 1  | use TokenTree;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `TokenTreeIter` in crate `proc_macro`
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.1.3/src/unstable.rs:103:38
[INFO] [stderr]     |
[INFO] [stderr] 103 |   pub struct TokenTreeIter(proc_macro::TokenTreeIter);
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] help: an enum with a similar name exists
[INFO] [stderr]     |
[INFO] [stderr] 103 | pub struct TokenTreeIter(proc_macro::TokenTree);
[INFO] [stderr]     |                                      ^^^^^^^^^
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]     |
[INFO] [stderr] 1   | use TokenTreeIter;
[INFO] [stderr]     |
[INFO] [stderr] 1   | use imp::TokenTreeIter;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Term` in crate `proc_macro`
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.1.3/src/unstable.rs:178:29
[INFO] [stderr]     |
[INFO] [stderr] 178 | pub struct Term(proc_macro::Term);
[INFO] [stderr]     |                             ^^^^ not found in `proc_macro`
[INFO] [stderr]     |
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]     |
[INFO] [stderr] 1   | use Term;
[INFO] [stderr]     |
[INFO] [stderr] 1   | use imp::Term;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `empty` found for struct `proc_macro::TokenStream` in the current scope
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.1.3/src/unstable.rs:18:46
[INFO] [stderr]    |
[INFO] [stderr] 18 |         TokenStream(proc_macro::TokenStream::empty())
[INFO] [stderr]    |                                              ^^^^^ function or associated item not found in `proc_macro::TokenStream`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `proc_macro::Span: std::default::Default` is not satisfied
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.1.3/src/unstable.rs:163:17
[INFO] [stderr]     |
[INFO] [stderr] 163 | pub struct Span(proc_macro::Span);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^ the trait `std::default::Default` is not implemented for `proc_macro::Span`
[INFO] [stderr]     |
[INFO] [stderr]     = note: required by `std::default::Default::default`
[INFO] [stderr]     = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `float` found for struct `proc_macro::Literal` in the current scope
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.1.3/src/unstable.rs:226:38
[INFO] [stderr]     |
[INFO] [stderr] 226 |         Literal(proc_macro::Literal::float(s))
[INFO] [stderr]     |                                      ^^^^^ function or associated item not found in `proc_macro::Literal`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `integer` found for struct `proc_macro::Literal` in the current scope
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.1.3/src/unstable.rs:230:38
[INFO] [stderr]     |
[INFO] [stderr] 230 |         Literal(proc_macro::Literal::integer(s.into()))
[INFO] [stderr]     |                                      ^^^^^^^ function or associated item not found in `proc_macro::Literal`
[INFO] [stderr] 
[INFO] [stderr]     Checking http v0.1.1
[INFO] [stderr] error[E0609]: no field `kind` on type `proc_macro::TokenTree`
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.1.3/src/unstable.rs:268:46
[INFO] [stderr]     |
[INFO] [stderr] 268 |     match stream.into_iter().next().unwrap().kind {
[INFO] [stderr]     |                                              ^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `u8` found for struct `proc_macro::Literal` in the current scope
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.1.3/src/unstable.rs:285:5
[INFO] [stderr]     |
[INFO] [stderr] 285 |     u8, u16, u32, u64, usize,
[INFO] [stderr]     |     ^^ function or associated item not found in `proc_macro::Literal`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `u16` found for struct `proc_macro::Literal` in the current scope
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.1.3/src/unstable.rs:285:9
[INFO] [stderr]     |
[INFO] [stderr] 285 |     u8, u16, u32, u64, usize,
[INFO] [stderr]     |         ^^^ function or associated item not found in `proc_macro::Literal`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `u32` found for struct `proc_macro::Literal` in the current scope
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.1.3/src/unstable.rs:285:14
[INFO] [stderr]     |
[INFO] [stderr] 285 |     u8, u16, u32, u64, usize,
[INFO] [stderr]     |              ^^^ function or associated item not found in `proc_macro::Literal`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `u64` found for struct `proc_macro::Literal` in the current scope
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.1.3/src/unstable.rs:285:19
[INFO] [stderr]     |
[INFO] [stderr] 285 |     u8, u16, u32, u64, usize,
[INFO] [stderr]     |                   ^^^ function or associated item not found in `proc_macro::Literal`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `usize` found for struct `proc_macro::Literal` in the current scope
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.1.3/src/unstable.rs:285:24
[INFO] [stderr]     |
[INFO] [stderr] 285 |     u8, u16, u32, u64, usize,
[INFO] [stderr]     |                        ^^^^^ function or associated item not found in `proc_macro::Literal`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `i8` found for struct `proc_macro::Literal` in the current scope
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.1.3/src/unstable.rs:286:5
[INFO] [stderr]     |
[INFO] [stderr] 286 |     i8, i16, i32, i64, isize,
[INFO] [stderr]     |     ^^ function or associated item not found in `proc_macro::Literal`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `i16` found for struct `proc_macro::Literal` in the current scope
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.1.3/src/unstable.rs:286:9
[INFO] [stderr]     |
[INFO] [stderr] 286 |     i8, i16, i32, i64, isize,
[INFO] [stderr]     |         ^^^ function or associated item not found in `proc_macro::Literal`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `i32` found for struct `proc_macro::Literal` in the current scope
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.1.3/src/unstable.rs:286:14
[INFO] [stderr]     |
[INFO] [stderr] 286 |     i8, i16, i32, i64, isize,
[INFO] [stderr]     |              ^^^ function or associated item not found in `proc_macro::Literal`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `i64` found for struct `proc_macro::Literal` in the current scope
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.1.3/src/unstable.rs:286:19
[INFO] [stderr]     |
[INFO] [stderr] 286 |     i8, i16, i32, i64, isize,
[INFO] [stderr]     |                   ^^^ function or associated item not found in `proc_macro::Literal`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `isize` found for struct `proc_macro::Literal` in the current scope
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.1.3/src/unstable.rs:286:24
[INFO] [stderr]     |
[INFO] [stderr] 286 |     i8, i16, i32, i64, isize,
[INFO] [stderr]     |                        ^^^^^ function or associated item not found in `proc_macro::Literal`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `f32` found for struct `proc_macro::Literal` in the current scope
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.1.3/src/unstable.rs:300:5
[INFO] [stderr]     |
[INFO] [stderr] 300 |     f32, f64,
[INFO] [stderr]     |     ^^^ function or associated item not found in `proc_macro::Literal`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `f64` found for struct `proc_macro::Literal` in the current scope
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.1.3/src/unstable.rs:300:10
[INFO] [stderr]     |
[INFO] [stderr] 300 |     f32, f64,
[INFO] [stderr]     |          ^^^ function or associated item not found in `proc_macro::Literal`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 30 previous errors
[INFO] [stderr] 
[INFO] [stderr]     Checking kcp v0.4.9
[INFO] [stderr] Some errors have detailed explanations: E0277, E0412, E0433, E0574, E0599, E0609.
[INFO] [stderr] For more information about an error, try `rustc --explain E0277`.
[INFO] [stderr] error: could not compile `proc-macro2`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "02efc3e594f5cf1b4d31dcba9d8156bb4c327e01577f533fb4567569d42076a7"`
[INFO] running `"docker" "rm" "-f" "02efc3e594f5cf1b4d31dcba9d8156bb4c327e01577f533fb4567569d42076a7"`
[INFO] [stdout] 02efc3e594f5cf1b4d31dcba9d8156bb4c327e01577f533fb4567569d42076a7
