[INFO] cloning repository https://github.com/chikasoft/Tensai
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chikasoft/Tensai" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchikasoft%2FTensai", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchikasoft%2FTensai'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 653521e2b11c64e84459241fef4666a105ca34b6
[INFO] checking chikasoft/Tensai against master#836c31742687ba4e2f857b5b698e1e9e6b67619c for pr-81789
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchikasoft%2FTensai" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chikasoft/Tensai on toolchain 836c31742687ba4e2f857b5b698e1e9e6b67619c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/chikasoft/Tensai
[INFO] finished tweaking git repo https://github.com/chikasoft/Tensai
[INFO] tweaked toml for git repo https://github.com/chikasoft/Tensai written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/chikasoft/Tensai already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 30478ef43c8aa6369dea308d92ac36cbf896272305412e3160100d12512293f8
[INFO] running `Command { std: "docker" "start" "-a" "30478ef43c8aa6369dea308d92ac36cbf896272305412e3160100d12512293f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "30478ef43c8aa6369dea308d92ac36cbf896272305412e3160100d12512293f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30478ef43c8aa6369dea308d92ac36cbf896272305412e3160100d12512293f8", kill_on_drop: false }`
[INFO] [stdout] 30478ef43c8aa6369dea308d92ac36cbf896272305412e3160100d12512293f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca2cb4460dea2aa5627760b4e3d8fa4595c7ed0d52409dc80fc806b5aaba9936
[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" "ca2cb4460dea2aa5627760b4e3d8fa4595c7ed0d52409dc80fc806b5aaba9936", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.78
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]     Checking minsky v0.1.0 (/opt/rustwide/workdir/minsky)
[INFO] [stderr]     Checking binary v0.1.0 (/opt/rustwide/workdir/binary)
[INFO] [stderr]     Checking interstack v0.1.0 (/opt/rustwide/workdir/interstack)
[INFO] [stdout] error[E0599]: no method named `flush` found for struct `Stdout` in the current scope
[INFO] [stdout]     --> binary/src/main.rs:49:42
[INFO] [stdout]      |
[INFO] [stdout] 49   |                     let _ = io::stdout().flush();
[INFO] [stdout]      |                                          ^^^^^ method not found in `Stdout`
[INFO] [stdout]      |
[INFO] [stdout] help: consider wrapping the receiver expression with the appropriate type
[INFO] [stdout]      |
[INFO] [stdout] 49   |                     let _ = Box::new(io::stdout()).flush();
[INFO] [stdout]      |                             ^^^^^^^^^            ^
[INFO] [stdout] help: consider wrapping the receiver expression with the appropriate type
[INFO] [stdout]      |
[INFO] [stdout] 49   |                     let _ = Box::new(&mut io::stdout()).flush();
[INFO] [stdout]      |                             ^^^^^^^^^^^^^             ^
[INFO] [stdout] help: consider wrapping the receiver expression with the appropriate type
[INFO] [stdout]      |
[INFO] [stdout] 49   |                     let _ = Box::new(&io::stdout()).flush();
[INFO] [stdout]      |                             ^^^^^^^^^^            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `flush` found for struct `Stdout` in the current scope
[INFO] [stdout]     --> binary/src/main.rs:83:42
[INFO] [stdout]      |
[INFO] [stdout] 83   |                     let _ = io::stdout().flush();
[INFO] [stdout]      |                                          ^^^^^ method not found in `Stdout`
[INFO] [stdout]      |
[INFO] [stdout] help: consider wrapping the receiver expression with the appropriate type
[INFO] [stdout]      |
[INFO] [stdout] 83   |                     let _ = Box::new(io::stdout()).flush();
[INFO] [stdout]      |                             ^^^^^^^^^            ^
[INFO] [stdout] help: consider wrapping the receiver expression with the appropriate type
[INFO] [stdout]      |
[INFO] [stdout] 83   |                     let _ = Box::new(&mut io::stdout()).flush();
[INFO] [stdout]      |                             ^^^^^^^^^^^^^             ^
[INFO] [stdout] help: consider wrapping the receiver expression with the appropriate type
[INFO] [stdout]      |
[INFO] [stdout] 83   |                     let _ = Box::new(&io::stdout()).flush();
[INFO] [stdout]      |                             ^^^^^^^^^^            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `binary`
[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] [stdout] error[E0599]: no method named `flush` found for struct `Stdout` in the current scope
[INFO] [stdout]     --> binary/src/main.rs:49:42
[INFO] [stdout]      |
[INFO] [stdout] 49   |                     let _ = io::stdout().flush();
[INFO] [stdout]      |                                          ^^^^^ method not found in `Stdout`
[INFO] [stdout]      |
[INFO] [stdout] help: consider wrapping the receiver expression with the appropriate type
[INFO] [stdout]      |
[INFO] [stdout] 49   |                     let _ = Box::new(io::stdout()).flush();
[INFO] [stdout]      |                             ^^^^^^^^^            ^
[INFO] [stdout] help: consider wrapping the receiver expression with the appropriate type
[INFO] [stdout]      |
[INFO] [stdout] 49   |                     let _ = Box::new(&mut io::stdout()).flush();
[INFO] [stdout]      |                             ^^^^^^^^^^^^^             ^
[INFO] [stdout] help: consider wrapping the receiver expression with the appropriate type
[INFO] [stdout]      |
[INFO] [stdout] 49   |                     let _ = Box::new(&io::stdout()).flush();
[INFO] [stdout]      |                             ^^^^^^^^^^            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `flush` found for struct `Stdout` in the current scope
[INFO] [stdout]     --> minsky/src/main.rs:77:46
[INFO] [stdout]      |
[INFO] [stdout] 77   |                         let _ = io::stdout().flush();
[INFO] [stdout]      |                                              ^^^^^ method not found in `Stdout`
[INFO] [stdout]      |
[INFO] [stdout] help: consider wrapping the receiver expression with the appropriate type
[INFO] [stdout]      |
[INFO] [stdout] 77   |                         let _ = Box::new(io::stdout()).flush();
[INFO] [stdout]      |                                 ^^^^^^^^^            ^
[INFO] [stdout] help: consider wrapping the receiver expression with the appropriate type
[INFO] [stdout]      |
[INFO] [stdout] 77   |                         let _ = Box::new(&mut io::stdout()).flush();
[INFO] [stdout]      |                                 ^^^^^^^^^^^^^             ^
[INFO] [stdout] help: consider wrapping the receiver expression with the appropriate type
[INFO] [stdout]      |
[INFO] [stdout] 77   |                         let _ = Box::new(&io::stdout()).flush();
[INFO] [stdout]      |                                 ^^^^^^^^^^            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `flush` found for struct `Stdout` in the current scope
[INFO] [stdout]     --> minsky/src/main.rs:80:46
[INFO] [stdout]      |
[INFO] [stdout] 80   |                         let _ = io::stdout().flush();
[INFO] [stdout]      |                                              ^^^^^ method not found in `Stdout`
[INFO] [stdout]      |
[INFO] [stdout] help: consider wrapping the receiver expression with the appropriate type
[INFO] [stdout]      |
[INFO] [stdout] 80   |                         let _ = Box::new(io::stdout()).flush();
[INFO] [stdout]      |                                 ^^^^^^^^^            ^
[INFO] [stdout] help: consider wrapping the receiver expression with the appropriate type
[INFO] [stdout]      |
[INFO] [stdout] 80   |                         let _ = Box::new(&mut io::stdout()).flush();
[INFO] [stdout]      |                                 ^^^^^^^^^^^^^             ^
[INFO] [stdout] help: consider wrapping the receiver expression with the appropriate type
[INFO] [stdout]      |
[INFO] [stdout] 80   |                         let _ = Box::new(&io::stdout()).flush();
[INFO] [stdout]      |                                 ^^^^^^^^^^            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `flush` found for struct `Stdout` in the current scope
[INFO] [stdout]     --> binary/src/main.rs:83:42
[INFO] [stdout]      |
[INFO] [stdout] 83   |                     let _ = io::stdout().flush();
[INFO] [stdout]      |                                          ^^^^^ method not found in `Stdout`
[INFO] [stdout]      |
[INFO] [stdout] help: consider wrapping the receiver expression with the appropriate type
[INFO] [stdout]      |
[INFO] [stdout] 83   |                     let _ = Box::new(io::stdout()).flush();
[INFO] [stdout]      |                             ^^^^^^^^^            ^
[INFO] [stdout] help: consider wrapping the receiver expression with the appropriate type
[INFO] [stdout]      |
[INFO] [stdout] 83   |                     let _ = Box::new(&mut io::stdout()).flush();
[INFO] [stdout]      |                             ^^^^^^^^^^^^^             ^
[INFO] [stdout] help: consider wrapping the receiver expression with the appropriate type
[INFO] [stdout]      |
[INFO] [stdout] 83   |                     let _ = Box::new(&io::stdout()).flush();
[INFO] [stdout]      |                             ^^^^^^^^^^            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `flush` found for struct `Stdout` in the current scope
[INFO] [stdout]     --> minsky/src/main.rs:77:46
[INFO] [stdout]      |
[INFO] [stdout] 77   |                         let _ = io::stdout().flush();
[INFO] [stdout]      |                                              ^^^^^ method not found in `Stdout`
[INFO] [stdout]      |
[INFO] [stdout] help: consider wrapping the receiver expression with the appropriate type
[INFO] [stdout]      |
[INFO] [stdout] 77   |                         let _ = Box::new(io::stdout()).flush();
[INFO] [stdout]      |                                 ^^^^^^^^^            ^
[INFO] [stdout] help: consider wrapping the receiver expression with the appropriate type
[INFO] [stdout]      |
[INFO] [stdout] 77   |                         let _ = Box::new(&mut io::stdout()).flush();
[INFO] [stdout]      |                                 ^^^^^^^^^^^^^             ^
[INFO] [stdout] help: consider wrapping the receiver expression with the appropriate type
[INFO] [stdout]      |
[INFO] [stdout] 77   |                         let _ = Box::new(&io::stdout()).flush();
[INFO] [stdout]      |                                 ^^^^^^^^^^            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `flush` found for struct `Stdout` in the current scope
[INFO] [stdout]     --> minsky/src/main.rs:80:46
[INFO] [stdout]      |
[INFO] [stdout] 80   |                         let _ = io::stdout().flush();
[INFO] [stdout]      |                                              ^^^^^ method not found in `Stdout`
[INFO] [stdout]      |
[INFO] [stdout] help: consider wrapping the receiver expression with the appropriate type
[INFO] [stdout]      |
[INFO] [stdout] 80   |                         let _ = Box::new(io::stdout()).flush();
[INFO] [stdout]      |                                 ^^^^^^^^^            ^
[INFO] [stdout] help: consider wrapping the receiver expression with the appropriate type
[INFO] [stdout]      |
[INFO] [stdout] 80   |                         let _ = Box::new(&mut io::stdout()).flush();
[INFO] [stdout]      |                                 ^^^^^^^^^^^^^             ^
[INFO] [stdout] help: consider wrapping the receiver expression with the appropriate type
[INFO] [stdout]      |
[INFO] [stdout] 80   |                         let _ = Box::new(&io::stdout()).flush();
[INFO] [stdout]      |                                 ^^^^^^^^^^            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "ca2cb4460dea2aa5627760b4e3d8fa4595c7ed0d52409dc80fc806b5aaba9936", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca2cb4460dea2aa5627760b4e3d8fa4595c7ed0d52409dc80fc806b5aaba9936", kill_on_drop: false }`
[INFO] [stdout] ca2cb4460dea2aa5627760b4e3d8fa4595c7ed0d52409dc80fc806b5aaba9936