[INFO] cloning repository https://github.com/serega-fighter/rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/serega-fighter/rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fserega-fighter%2Frust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fserega-fighter%2Frust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5df31febb0547e1e90c7afadc4c370e9e1c6c003
[INFO] checking serega-fighter/rust against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fserega-fighter%2Frust" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/serega-fighter/rust on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/serega-fighter/rust
[INFO] finished tweaking git repo https://github.com/serega-fighter/rust
[INFO] tweaked toml for git repo https://github.com/serega-fighter/rust written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/serega-fighter/rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c9371e70149f92ca58e19c14aca85f2e5c651c2534471d2fcd8d829d40d9da6
[INFO] running `Command { std: "docker" "start" "-a" "7c9371e70149f92ca58e19c14aca85f2e5c651c2534471d2fcd8d829d40d9da6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c9371e70149f92ca58e19c14aca85f2e5c651c2534471d2fcd8d829d40d9da6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c9371e70149f92ca58e19c14aca85f2e5c651c2534471d2fcd8d829d40d9da6", kill_on_drop: false }`
[INFO] [stdout] 7c9371e70149f92ca58e19c14aca85f2e5c651c2534471d2fcd8d829d40d9da6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4819b032a8047bf09925b5b405fec75c13dd37b8e8e7c90ed256f88fcea85dc0
[INFO] running `Command { std: "docker" "start" "-a" "4819b032a8047bf09925b5b405fec75c13dd37b8e8e7c90ed256f88fcea85dc0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking rust-workspace v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: couldn't read src/concurrency/atomics/atomic_flags_test.rs: No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read src/concurrency/atomics/lazy_initialization_pattern.rs: No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read src/basic/string_test.rs: No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read main.rs: No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-workspace` (bin "atomic_flags_test") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `rust-workspace` (bin "lazy_initialization_pattern" test) due to 2 previous errors
[INFO] [stdout] error: couldn't read src/basic/test.rs: No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-workspace` (bin "string" test) due to 2 previous errors
[INFO] [stderr] error: could not compile `rust-workspace` (bin "main") due to 2 previous errors
[INFO] [stderr] error: could not compile `rust-workspace` (bin "test" test) due to 2 previous errors
[INFO] [stdout] error: expected identifier, found keyword `as`
[INFO] [stdout]  --> src/basic/structs/lifetime_vec_test.rs:9:25
[INFO] [stdout]   |
[INFO] [stdout] 9 |         return self.ctr.as
[INFO] [stdout]   |                         ^^ expected identifier, found keyword
[INFO] [stdout]   |
[INFO] [stdout] help: escape `as` to use it as an identifier
[INFO] [stdout]   |
[INFO] [stdout] 9 |         return self.ctr.r#as
[INFO] [stdout]   |                         ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read src/basic/generics/generic_simple.rs: No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read src/basic/box_test.rs: No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-workspace` (bin "box") due to 2 previous errors
[INFO] [stdout] error[E0106]: missing lifetime specifier
[INFO] [stdout]  --> src/basic/structs/lifetime_vec_test.rs:8:25
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub fn get(self) -> &str {
[INFO] [stdout]   |                         ^ expected named lifetime parameter
[INFO] [stdout]   |
[INFO] [stdout]   = help: this function's return type contains a borrowed value, but there is no value for it to be borrowed from
[INFO] [stdout] help: consider using the `'static` lifetime, but this is uncommon unless you're returning a borrowed value from a `const` or a `static`
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub fn get(self) -> &'static str {
[INFO] [stdout]   |                          +++++++
[INFO] [stdout] help: instead, you are more likely to want to change the argument to be borrowed...
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub fn get(&self) -> &str {
[INFO] [stdout]   |                +
[INFO] [stdout] help: ...or alternatively, you might want to return an owned value
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub fn get(self) -> String {
[INFO] [stdout]   |                         ~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-workspace` (bin "generic_simple" test) due to 2 previous errors
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]   --> src/basic/generics/trait_test.rs:11:51
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub fn main() {
[INFO] [stdout]    | ------------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] 10 |
[INFO] [stdout] 11 |     let mut local_file = File::create("hello.txt")?;
[INFO] [stdout]    |                                                   ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `FromResidual<Result<Infallible, std::io::Error>>` is not implemented for `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]   --> src/basic/generics/trait_test.rs:12:31
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub fn main() {
[INFO] [stdout]    | ------------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] ...
[INFO] [stdout] 12 |     say_hello(&mut local_file)?;
[INFO] [stdout]    |                               ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `FromResidual<Result<Infallible, std::io::Error>>` is not implemented for `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]   --> src/basic/generics/trait_test.rs:15:26
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub fn main() {
[INFO] [stdout]    | ------------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] ...
[INFO] [stdout] 15 |     say_hello(&mut bytes)?; // also works
[INFO] [stdout]    |                          ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `FromResidual<Result<Infallible, std::io::Error>>` is not implemented for `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-workspace` (bin "trait") due to 4 previous errors
[INFO] [stdout] error[E0609]: no field `r#as` on type `String`
[INFO] [stdout]  --> src/basic/structs/lifetime_vec_test.rs:9:25
[INFO] [stdout]   |
[INFO] [stdout] 9 |         return self.ctr.as
[INFO] [stdout]   |                         ^^ unknown field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/basic/structs/lifetime_vec_test.rs:20:21
[INFO] [stdout]    |
[INFO] [stdout] 20 |         Holder{ctr: "cdef"},
[INFO] [stdout]    |                     ^^^^^^- help: try using a conversion method: `.to_string()`
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     expected `String`, found `&str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/basic/structs/lifetime_vec_test.rs:21:21
[INFO] [stdout]    |
[INFO] [stdout] 21 |         Holder{ctr: "zvvx"},
[INFO] [stdout]    |                     ^^^^^^- help: try using a conversion method: `.to_string()`
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     expected `String`, found `&str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/basic/structs/lifetime_vec_test.rs:22:21
[INFO] [stdout]    |
[INFO] [stdout] 22 |         Holder{ctr: "zvw2"},
[INFO] [stdout]    |                     ^^^^^^- help: try using a conversion method: `.to_string()`
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     expected `String`, found `&str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/basic/structs/lifetime_vec_test.rs:23:21
[INFO] [stdout]    |
[INFO] [stdout] 23 |         Holder{ctr: "vbs2"}
[INFO] [stdout]    |                     ^^^^^^- help: try using a conversion method: `.to_string()`
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     expected `String`, found `&str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0106, E0308, E0609.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0106`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-workspace` (bin "lifetime_vec") due to 8 previous errors
[INFO] running `Command { std: "docker" "inspect" "4819b032a8047bf09925b5b405fec75c13dd37b8e8e7c90ed256f88fcea85dc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4819b032a8047bf09925b5b405fec75c13dd37b8e8e7c90ed256f88fcea85dc0", kill_on_drop: false }`
[INFO] [stdout] 4819b032a8047bf09925b5b405fec75c13dd37b8e8e7c90ed256f88fcea85dc0
[INFO] checking serega-fighter/rust against try#36dbcaee1a55543dfc181be52a69d99ff46ff62f for pr-122960-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fserega-fighter%2Frust" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/serega-fighter/rust on toolchain 36dbcaee1a55543dfc181be52a69d99ff46ff62f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/serega-fighter/rust
[INFO] finished tweaking git repo https://github.com/serega-fighter/rust
[INFO] tweaked toml for git repo https://github.com/serega-fighter/rust written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/serega-fighter/rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4919334ed99bf17d81a40ed3358d720b893a9fa3187d37115601ffede7b44de6
[INFO] running `Command { std: "docker" "start" "-a" "4919334ed99bf17d81a40ed3358d720b893a9fa3187d37115601ffede7b44de6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4919334ed99bf17d81a40ed3358d720b893a9fa3187d37115601ffede7b44de6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4919334ed99bf17d81a40ed3358d720b893a9fa3187d37115601ffede7b44de6", kill_on_drop: false }`
[INFO] [stdout] 4919334ed99bf17d81a40ed3358d720b893a9fa3187d37115601ffede7b44de6
[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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ea24665d76fe575f912fbdd413567a380edfdbfe61d600b3ab03f493bea1a0f
[INFO] running `Command { std: "docker" "start" "-a" "8ea24665d76fe575f912fbdd413567a380edfdbfe61d600b3ab03f493bea1a0f", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] skipping non-2021 edition `2018`
[INFO] running `Command { std: "docker" "inspect" "8ea24665d76fe575f912fbdd413567a380edfdbfe61d600b3ab03f493bea1a0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ea24665d76fe575f912fbdd413567a380edfdbfe61d600b3ab03f493bea1a0f", kill_on_drop: false }`
[INFO] [stdout] 8ea24665d76fe575f912fbdd413567a380edfdbfe61d600b3ab03f493bea1a0f